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<li class="toctree-l2"><a class="reference internal" href="../concepts/http.html">Working with HTTP Requests</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../concepts/security.html">Security Guidelines</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../concepts/goals.html">Design and Architectural Goals</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../general/index.html">General Topics</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../general/helpers.html">Helper Functions</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/common_functions.html">Global Functions and Constants</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../general/errors.html">Error Handling</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../incoming/index.html">Controllers and Routing</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../incoming/routing.html">URI Routing</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../incoming/controllers.html">Controllers</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../incoming/filters.html">Controller Filters</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../incoming/auto_routing_improved.html">Auto Routing (Improved)</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../incoming/message.html">HTTP Messages</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../incoming/request.html">Request Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../incoming/incomingrequest.html">IncomingRequest Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../incoming/content_negotiation.html">Content Negotiation</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../incoming/methodspoofing.html">HTTP Method Spoofing</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../incoming/restful.html">RESTful Resource Handling</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../outgoing/index.html">Building Responses</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../outgoing/views.html">Views</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../outgoing/view_renderer.html">View Renderer</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../outgoing/view_layouts.html">View Layouts</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../outgoing/view_cells.html">View Cells</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../outgoing/view_decorators.html">View Decorators</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../outgoing/table.html">HTML Table Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../outgoing/response.html">HTTP Responses</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../outgoing/api_responses.html">API Response Trait</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../outgoing/csp.html">Content Security Policy</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../outgoing/localization.html">Localization</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../outgoing/alternative_php.html">Alternate PHP Syntax for View Files</a></li>
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</ul>
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</li>
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</ul>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../database/index.html">Working with Databases</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../database/examples.html">Quick Start: Usage Examples</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/configuration.html">Database Configuration</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/connecting.html">Connecting to a Database</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/queries.html">Running Queries</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/results.html">Generating Query Results</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/helpers.html">Query Helper Methods</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/query_builder.html">Query Builder Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/transactions.html">Transactions</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/metadata.html">Getting Metadata</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/call_function.html">Custom Function Calls</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/events.html">Database Events</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/utilities.html">Database Utilities</a></li>
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</ul>
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</li>
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</ul>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../models/index.html">Modeling Data</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../models/model.html">Using CodeIgniter's Model</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../models/entities.html">Using Entity Classes</a></li>
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</ul>
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</li>
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</ul>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../dbmgmt/index.html">Managing Databases</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../dbmgmt/forge.html">Database Forge</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../dbmgmt/migration.html">Database Migrations</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../dbmgmt/seeds.html">Database Seeding</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../dbmgmt/db_commands.html">Database Commands</a></li>
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</ul>
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<ul class="current">
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<li class="toctree-l1 current"><a class="reference internal" href="index.html">Library Reference</a><ul class="current">
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<li class="toctree-l2"><a class="reference internal" href="caching.html">Caching Driver</a></li>
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<li class="toctree-l2"><a class="reference internal" href="cookies.html">Cookies</a></li>
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<li class="toctree-l2"><a class="reference internal" href="cors.html">Cross-Origin Resource Sharing (CORS)</a></li>
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<li class="toctree-l2"><a class="reference internal" href="curlrequest.html">CURLRequest Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="email.html">Email Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="encryption.html">Encryption Service</a></li>
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<li class="toctree-l2"><a class="reference internal" href="files.html">Working with Files</a></li>
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<li class="toctree-l2"><a class="reference internal" href="file_collections.html">File Collections</a></li>
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<li class="toctree-l2"><a class="reference internal" href="honeypot.html">Honeypot Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="images.html">Image Manipulation Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="pagination.html">Pagination</a></li>
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<li class="toctree-l2"><a class="reference internal" href="publisher.html">Publisher</a></li>
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<li class="toctree-l2"><a class="reference internal" href="security.html">Security</a></li>
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<li class="toctree-l2"><a class="reference internal" href="sessions.html">Session Library</a></li>
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<li class="toctree-l2"><a class="reference internal" href="throttler.html">Throttler</a></li>
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<li class="toctree-l2"><a class="reference internal" href="time.html">Times and Dates</a></li>
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<li class="toctree-l2"><a class="reference internal" href="typography.html">Typography</a></li>
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<li class="toctree-l2 current"><a class="current reference internal" href="#">Working with Uploaded Files</a></li>
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<li class="toctree-l2"><a class="reference internal" href="uri.html">Working with URIs</a></li>
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<li class="toctree-l2"><a class="reference internal" href="user_agent.html">User Agent Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="validation.html">Validation</a></li>
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</ul>
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</li>
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</ul>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../helpers/index.html">Helpers</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/array_helper.html">Array Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/cookie_helper.html">Cookie Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/date_helper.html">Date Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/filesystem_helper.html">Filesystem Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/form_helper.html">Form Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/html_helper.html">HTML Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/inflector_helper.html">Inflector Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/number_helper.html">Number Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/security_helper.html">Security Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/test_helper.html">Test Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/text_helper.html">Text Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/url_helper.html">URL Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/xml_helper.html">XML Helper</a></li>
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</ul>
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</li>
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</ul>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../testing/index.html">Testing</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../testing/overview.html">Getting Started</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../testing/database.html">Database</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../testing/fabricator.html">Generating Data</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../testing/controllers.html">Controller Testing</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../testing/feature.html">HTTP Testing</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../testing/response.html">Testing Responses</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../testing/cli.html">Testing CLI Commands</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../testing/mocking.html">Mocking</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../testing/benchmark.html">Benchmarking</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../testing/debugging.html">Debugging Your Application</a></li>
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</ul>
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</li>
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</ul>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../cli/index.html">Command Line Usage</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../cli/cli_overview.html">CLI Overview</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../cli/cli_controllers.html">Running Controllers via CLI</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../cli/spark_commands.html">Spark Commands</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../cli/cli_commands.html">Creating Spark Commands</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../cli/cli_generators.html">CLI Generators</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../cli/cli_library.html">CLI Library</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../cli/cli_request.html">CLIRequest Class</a></li>
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</ul>
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</li>
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</ul>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../extending/index.html">Extending CodeIgniter</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../extending/core_classes.html">Creating Core System Classes</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../extending/common.html">Replacing Common Functions</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../extending/events.html">Events</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../extending/basecontroller.html">Extending the Controller</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../extending/authentication.html">Authentication</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../extending/composer_packages.html">Creating Composer Packages</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../extending/contributing.html">Contributing to CodeIgniter</a></li>
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</ul>
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</li>
|
||
</ul>
|
||
<ul>
|
||
<li class="toctree-l1"><a class="reference internal" href="official_packages.html">Official Packages</a></li>
|
||
</ul>
|
||
|
||
</div>
|
||
</div>
|
||
</nav>
|
||
|
||
<section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
|
||
<i data-toggle="wy-nav-top" class="fa fa-bars"></i>
|
||
<a href="../index.html">CodeIgniter</a>
|
||
</nav>
|
||
|
||
<div class="wy-nav-content">
|
||
<div class="rst-content">
|
||
<a class="btn btn-neutral float-right" href="https://github.com/codeigniter4/CodeIgniter4/edit/develop/user_guide_src/source/libraries/uploaded_files.rst">Edit this page</a>
|
||
|
||
<div role="navigation" aria-label="Page navigation">
|
||
<ul class="wy-breadcrumbs">
|
||
<li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
|
||
<li class="breadcrumb-item"><a href="index.html">Library Reference</a></li>
|
||
<li class="breadcrumb-item active">Working with Uploaded Files</li>
|
||
<li class="wy-breadcrumbs-aside">
|
||
</li>
|
||
</ul>
|
||
<hr/>
|
||
</div>
|
||
<div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
|
||
<div itemprop="articleBody">
|
||
|
||
<section id="working-with-uploaded-files">
|
||
<h1>Working with Uploaded Files<a class="headerlink" href="#working-with-uploaded-files" title="Permalink to this heading"></a></h1>
|
||
<p>CodeIgniter makes working with files uploaded through a form much simpler and
|
||
more secure than using PHP’s <code class="docutils literal notranslate"><span class="pre">$_FILES</span></code> array directly. This extends the
|
||
<a class="reference internal" href="files.html"><span class="doc">File class</span></a> and thus gains all of the features of that
|
||
class.</p>
|
||
<div class="admonition note">
|
||
<p class="admonition-title">Note</p>
|
||
<p>This is not the same as the File Uploading class in CodeIgniter 3.
|
||
This provides a raw interface to the uploaded files with a few small features.</p>
|
||
</div>
|
||
<nav class="contents local" id="contents">
|
||
<ul class="simple">
|
||
<li><p><a class="reference internal" href="#file-upload-form-tutorial" id="id3">File Upload Form Tutorial</a></p>
|
||
<ul>
|
||
<li><p><a class="reference internal" href="#creating-the-upload-form" id="id4">Creating the Upload Form</a></p></li>
|
||
<li><p><a class="reference internal" href="#the-success-page" id="id5">The Success Page</a></p></li>
|
||
<li><p><a class="reference internal" href="#the-controller" id="id6">The Controller</a></p></li>
|
||
<li><p><a class="reference internal" href="#the-routes" id="id7">The Routes</a></p></li>
|
||
<li><p><a class="reference internal" href="#the-upload-directory" id="id8">The Upload Directory</a></p></li>
|
||
<li><p><a class="reference internal" href="#try-it" id="id9">Try it!</a></p></li>
|
||
</ul>
|
||
</li>
|
||
<li><p><a class="reference internal" href="#accessing-files" id="id10">Accessing Files</a></p>
|
||
<ul>
|
||
<li><p><a class="reference internal" href="#all-files" id="id11">All Files</a></p></li>
|
||
<li><p><a class="reference internal" href="#single-file" id="id12">Single File</a></p></li>
|
||
<li><p><a class="reference internal" href="#multiple-files" id="id13">Multiple files</a></p></li>
|
||
</ul>
|
||
</li>
|
||
<li><p><a class="reference internal" href="#working-with-the-file" id="id14">Working with the File</a></p>
|
||
<ul>
|
||
<li><p><a class="reference internal" href="#verify-a-file" id="id15">Verify a File</a></p></li>
|
||
<li><p><a class="reference internal" href="#file-names" id="id16">File Names</a></p></li>
|
||
<li><p><a class="reference internal" href="#other-file-info" id="id17">Other File Info</a></p></li>
|
||
<li><p><a class="reference internal" href="#moving-files" id="id18">Moving Files</a></p></li>
|
||
<li><p><a class="reference internal" href="#store-files" id="id19">Store Files</a></p></li>
|
||
</ul>
|
||
</li>
|
||
</ul>
|
||
</nav>
|
||
<section id="file-upload-form-tutorial">
|
||
<span id="id1"></span><h2><a class="toc-backref" href="#id3" role="doc-backlink">File Upload Form Tutorial</a><a class="headerlink" href="#file-upload-form-tutorial" title="Permalink to this heading"></a></h2>
|
||
<p>Uploading a file involves the following general process:</p>
|
||
<ul class="simple">
|
||
<li><p>An upload form is displayed, allowing a user to select a file and
|
||
upload it.</p></li>
|
||
<li><p>When the form is submitted, the file is uploaded to the destination
|
||
you specify.</p></li>
|
||
<li><p>Along the way, the file is validated to make sure it is allowed to be
|
||
uploaded based on the preferences you set.</p></li>
|
||
<li><p>Once uploaded, the user will be shown a success message.</p></li>
|
||
</ul>
|
||
<p>To demonstrate this process here is a brief tutorial. Afterward you’ll
|
||
find reference information.</p>
|
||
<section id="creating-the-upload-form">
|
||
<h3><a class="toc-backref" href="#id4" role="doc-backlink">Creating the Upload Form</a><a class="headerlink" href="#creating-the-upload-form" title="Permalink to this heading"></a></h3>
|
||
<p>Using a text editor, create a form called <strong>upload_form.php</strong>. In it, place
|
||
this code and save it to your <strong>app/Views</strong> directory:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><!</span><span class="nx">DOCTYPE</span> <span class="nx">html</span><span class="o">></span>
|
||
<span class="o"><</span><span class="nx">html</span> <span class="nx">lang</span><span class="o">=</span><span class="s2">"en"</span><span class="o">></span>
|
||
<span class="o"><</span><span class="nx">head</span><span class="o">></span>
|
||
<span class="o"><</span><span class="nx">title</span><span class="o">></span><span class="nx">Upload</span> <span class="nx">Form</span><span class="o"></</span><span class="nx">title</span><span class="o">></span>
|
||
<span class="o"></</span><span class="nx">head</span><span class="o">></span>
|
||
<span class="o"><</span><span class="nx">body</span><span class="o">></span>
|
||
|
||
<span class="o"><?</span><span class="nx">php</span> <span class="k">foreach</span> <span class="p">(</span><span class="nv">$errors</span> <span class="k">as</span> <span class="nv">$error</span><span class="p">)</span><span class="o">:</span> <span class="cp">?></span>
|
||
<span class="p"><</span><span class="nt">li</span><span class="p">></span><span class="cp"><?</span><span class="o">=</span> <span class="nx">esc</span><span class="p">(</span><span class="nv">$error</span><span class="p">)</span> <span class="cp">?></span><span class="p"></</span><span class="nt">li</span><span class="p">></span>
|
||
<span class="cp"><?php</span> <span class="k">endforeach</span> <span class="cp">?></span>
|
||
|
||
<span class="cp"><?</span><span class="o">=</span> <span class="nx">form_open_multipart</span><span class="p">(</span><span class="s1">'upload/upload'</span><span class="p">)</span> <span class="cp">?></span>
|
||
<span class="p"><</span><span class="nt">input</span> <span class="na">type</span><span class="o">=</span><span class="s">"file"</span> <span class="na">name</span><span class="o">=</span><span class="s">"userfile"</span> <span class="na">size</span><span class="o">=</span><span class="s">"20"</span><span class="p">></span>
|
||
<span class="p"><</span><span class="nt">br</span><span class="p">><</span><span class="nt">br</span><span class="p">></span>
|
||
<span class="p"><</span><span class="nt">input</span> <span class="na">type</span><span class="o">=</span><span class="s">"submit"</span> <span class="na">value</span><span class="o">=</span><span class="s">"upload"</span><span class="p">></span>
|
||
<span class="p"></</span><span class="nt">form</span><span class="p">></span>
|
||
|
||
<span class="p"></</span><span class="nt">body</span><span class="p">></span>
|
||
<span class="p"></</span><span class="nt">html</span><span class="p">></span>
|
||
</pre></div>
|
||
</div>
|
||
<p>You’ll notice we are using a form helper to create the opening form tag.
|
||
File uploads require a multipart form, so the helper creates the proper
|
||
syntax for you.</p>
|
||
<p>You’ll also notice we have an <code class="docutils literal notranslate"><span class="pre">$errors</span></code> variable. This is
|
||
so we can show error messages in the event the user does something
|
||
wrong.</p>
|
||
</section>
|
||
<section id="the-success-page">
|
||
<h3><a class="toc-backref" href="#id5" role="doc-backlink">The Success Page</a><a class="headerlink" href="#the-success-page" title="Permalink to this heading"></a></h3>
|
||
<p>Using a text editor, create a form called <strong>upload_success.php</strong>. In it,
|
||
place this code and save it to your <strong>app/Views</strong> directory:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><!</span><span class="nx">DOCTYPE</span> <span class="nx">html</span><span class="o">></span>
|
||
<span class="o"><</span><span class="nx">html</span> <span class="nx">lang</span><span class="o">=</span><span class="s2">"en"</span><span class="o">></span>
|
||
<span class="o"><</span><span class="nx">head</span><span class="o">></span>
|
||
<span class="o"><</span><span class="nx">title</span><span class="o">></span><span class="nx">Upload</span> <span class="nx">Form</span><span class="o"></</span><span class="nx">title</span><span class="o">></span>
|
||
<span class="o"></</span><span class="nx">head</span><span class="o">></span>
|
||
<span class="o"><</span><span class="nx">body</span><span class="o">></span>
|
||
|
||
<span class="o"><</span><span class="nx">h3</span><span class="o">></span><span class="nx">Your</span> <span class="nb">file</span> <span class="nx">was</span> <span class="nx">successfully</span> <span class="nx">uploaded</span><span class="o">!</</span><span class="nx">h3</span><span class="o">></span>
|
||
|
||
<span class="o"><</span><span class="nx">ul</span><span class="o">></span>
|
||
<span class="o"><</span><span class="nx">li</span><span class="o">></span><span class="nx">name</span><span class="o">:</span> <span class="o"><?=</span> <span class="nx">esc</span><span class="p">(</span><span class="nv">$uploaded_fileinfo</span><span class="o">-></span><span class="na">getBasename</span><span class="p">())</span> <span class="cp">?></span><span class="p"></</span><span class="nt">li</span><span class="p">></span>
|
||
<span class="p"><</span><span class="nt">li</span><span class="p">></span>size: <span class="cp"><?</span><span class="o">=</span> <span class="nx">esc</span><span class="p">(</span><span class="nv">$uploaded_fileinfo</span><span class="o">-></span><span class="na">getSizeByUnit</span><span class="p">(</span><span class="s1">'kb'</span><span class="p">))</span> <span class="cp">?></span> KB<span class="p"></</span><span class="nt">li</span><span class="p">></span>
|
||
<span class="p"><</span><span class="nt">li</span><span class="p">></span>extension: <span class="cp"><?</span><span class="o">=</span> <span class="nx">esc</span><span class="p">(</span><span class="nv">$uploaded_fileinfo</span><span class="o">-></span><span class="na">guessExtension</span><span class="p">())</span> <span class="cp">?></span><span class="p"></</span><span class="nt">li</span><span class="p">></span>
|
||
<span class="p"></</span><span class="nt">ul</span><span class="p">></span>
|
||
|
||
<span class="p"><</span><span class="nt">p</span><span class="p">></span><span class="cp"><?</span><span class="o">=</span> <span class="nx">anchor</span><span class="p">(</span><span class="s1">'upload'</span><span class="p">,</span> <span class="s1">'Upload Another File!'</span><span class="p">)</span> <span class="cp">?></span><span class="p"></</span><span class="nt">p</span><span class="p">></span>
|
||
|
||
<span class="p"></</span><span class="nt">body</span><span class="p">></span>
|
||
<span class="p"></</span><span class="nt">html</span><span class="p">></span>
|
||
</pre></div>
|
||
</div>
|
||
</section>
|
||
<section id="the-controller">
|
||
<h3><a class="toc-backref" href="#id6" role="doc-backlink">The Controller</a><a class="headerlink" href="#the-controller" title="Permalink to this heading"></a></h3>
|
||
<p>Using a text editor, create a controller called <strong>Upload.php</strong>. In it, place
|
||
this code and save it to your <strong>app/Controllers</strong> directory:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="k">namespace</span> <span class="nx">App\Controllers</span><span class="p">;</span>
|
||
|
||
<span class="k">use</span> <span class="nx">CodeIgniter\Files\File</span><span class="p">;</span>
|
||
|
||
<span class="k">class</span> <span class="nc">Upload</span> <span class="k">extends</span> <span class="nx">BaseController</span>
|
||
<span class="p">{</span>
|
||
<span class="k">protected</span> <span class="nv">$helpers</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'form'</span><span class="p">];</span>
|
||
|
||
<span class="k">public</span> <span class="k">function</span> <span class="nf">index</span><span class="p">()</span>
|
||
<span class="p">{</span>
|
||
<span class="k">return</span> <span class="nx">view</span><span class="p">(</span><span class="s1">'upload_form'</span><span class="p">,</span> <span class="p">[</span><span class="s1">'errors'</span> <span class="o">=></span> <span class="p">[]]);</span>
|
||
<span class="p">}</span>
|
||
|
||
<span class="k">public</span> <span class="k">function</span> <span class="nf">upload</span><span class="p">()</span>
|
||
<span class="p">{</span>
|
||
<span class="nv">$validationRule</span> <span class="o">=</span> <span class="p">[</span>
|
||
<span class="s1">'userfile'</span> <span class="o">=></span> <span class="p">[</span>
|
||
<span class="s1">'label'</span> <span class="o">=></span> <span class="s1">'Image File'</span><span class="p">,</span>
|
||
<span class="s1">'rules'</span> <span class="o">=></span> <span class="p">[</span>
|
||
<span class="s1">'uploaded[userfile]'</span><span class="p">,</span>
|
||
<span class="s1">'is_image[userfile]'</span><span class="p">,</span>
|
||
<span class="s1">'mime_in[userfile,image/jpg,image/jpeg,image/gif,image/png,image/webp]'</span><span class="p">,</span>
|
||
<span class="s1">'max_size[userfile,100]'</span><span class="p">,</span>
|
||
<span class="s1">'max_dims[userfile,1024,768]'</span><span class="p">,</span>
|
||
<span class="p">],</span>
|
||
<span class="p">],</span>
|
||
<span class="p">];</span>
|
||
<span class="k">if</span> <span class="p">(</span><span class="o">!</span> <span class="nv">$this</span><span class="o">-></span><span class="na">validateData</span><span class="p">([],</span> <span class="nv">$validationRule</span><span class="p">))</span> <span class="p">{</span>
|
||
<span class="nv">$data</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'errors'</span> <span class="o">=></span> <span class="nv">$this</span><span class="o">-></span><span class="na">validator</span><span class="o">-></span><span class="na">getErrors</span><span class="p">()];</span>
|
||
|
||
<span class="k">return</span> <span class="nx">view</span><span class="p">(</span><span class="s1">'upload_form'</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
|
||
<span class="p">}</span>
|
||
|
||
<span class="nv">$img</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">request</span><span class="o">-></span><span class="na">getFile</span><span class="p">(</span><span class="s1">'userfile'</span><span class="p">);</span>
|
||
|
||
<span class="k">if</span> <span class="p">(</span><span class="o">!</span> <span class="nv">$img</span><span class="o">-></span><span class="na">hasMoved</span><span class="p">())</span> <span class="p">{</span>
|
||
<span class="nv">$filepath</span> <span class="o">=</span> <span class="nx">WRITEPATH</span> <span class="o">.</span> <span class="s1">'uploads/'</span> <span class="o">.</span> <span class="nv">$img</span><span class="o">-></span><span class="na">store</span><span class="p">();</span>
|
||
|
||
<span class="nv">$data</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'uploaded_fileinfo'</span> <span class="o">=></span> <span class="k">new</span> <span class="nx">File</span><span class="p">(</span><span class="nv">$filepath</span><span class="p">)];</span>
|
||
|
||
<span class="k">return</span> <span class="nx">view</span><span class="p">(</span><span class="s1">'upload_success'</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
|
||
<span class="p">}</span>
|
||
|
||
<span class="nv">$data</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'errors'</span> <span class="o">=></span> <span class="s1">'The file has already been moved.'</span><span class="p">];</span>
|
||
|
||
<span class="k">return</span> <span class="nx">view</span><span class="p">(</span><span class="s1">'upload_form'</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
|
||
<span class="p">}</span>
|
||
<span class="p">}</span>
|
||
</pre></div>
|
||
</div>
|
||
<p>Only the <a class="reference internal" href="validation.html#rules-for-file-uploads"><span class="std std-ref">Rules for File Uploads</span></a> can be used to validate uploaded files.</p>
|
||
<p>Therefore, the rule <code class="docutils literal notranslate"><span class="pre">required</span></code> cannot be used either, so if the file is required,
|
||
use the rule <code class="docutils literal notranslate"><span class="pre">uploaded</span></code> instead.</p>
|
||
<p>Note that an empty array (<code class="docutils literal notranslate"><span class="pre">[]</span></code>) is passed as the first argument to
|
||
<code class="docutils literal notranslate"><span class="pre">$this->validateData()</span></code>. It is because the file validation rules get the data
|
||
for the uploaded file directly from the Request object.</p>
|
||
<p>If the form has fields other than file upload, pass the field data as the first
|
||
argument.</p>
|
||
</section>
|
||
<section id="the-routes">
|
||
<h3><a class="toc-backref" href="#id7" role="doc-backlink">The Routes</a><a class="headerlink" href="#the-routes" title="Permalink to this heading"></a></h3>
|
||
<p>Using a text editor, open <strong>app/Config/Routes.php</strong>. In it, add the following two routes:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="c1">// ...</span>
|
||
|
||
<span class="cm">/*</span>
|
||
<span class="cm"> * --------------------------------------------------------------------</span>
|
||
<span class="cm"> * Route Definitions</span>
|
||
<span class="cm"> * --------------------------------------------------------------------</span>
|
||
<span class="cm"> */</span>
|
||
|
||
<span class="c1">// We get a performance increase by specifying the default</span>
|
||
<span class="c1">// route since we don't have to scan directories.</span>
|
||
<span class="nv">$routes</span><span class="o">-></span><span class="na">get</span><span class="p">(</span><span class="s1">'/'</span><span class="p">,</span> <span class="s1">'Home::index'</span><span class="p">);</span>
|
||
|
||
<span class="nv">$routes</span><span class="o">-></span><span class="na">get</span><span class="p">(</span><span class="s1">'upload'</span><span class="p">,</span> <span class="s1">'Upload::index'</span><span class="p">);</span> <span class="c1">// Add this line.</span>
|
||
<span class="nv">$routes</span><span class="o">-></span><span class="na">post</span><span class="p">(</span><span class="s1">'upload/upload'</span><span class="p">,</span> <span class="s1">'Upload::upload'</span><span class="p">);</span> <span class="c1">// Add this line.</span>
|
||
|
||
<span class="c1">// ...</span>
|
||
</pre></div>
|
||
</div>
|
||
</section>
|
||
<section id="the-upload-directory">
|
||
<h3><a class="toc-backref" href="#id8" role="doc-backlink">The Upload Directory</a><a class="headerlink" href="#the-upload-directory" title="Permalink to this heading"></a></h3>
|
||
<p>The uploaded files are stored in the <strong>writable/uploads/</strong> directory.</p>
|
||
</section>
|
||
<section id="try-it">
|
||
<h3><a class="toc-backref" href="#id9" role="doc-backlink">Try it!</a><a class="headerlink" href="#try-it" title="Permalink to this heading"></a></h3>
|
||
<p>To try your form, visit your site using a URL similar to this one:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="nx">example</span><span class="o">.</span><span class="nx">com</span><span class="o">/</span><span class="nx">index</span><span class="o">.</span><span class="nx">php</span><span class="o">/</span><span class="nx">upload</span><span class="o">/</span>
|
||
</pre></div>
|
||
</div>
|
||
<p>You should see an upload form. Try uploading an image file (either a
|
||
<strong>jpg</strong>, <strong>gif</strong>, <strong>png</strong>, or <strong>webp</strong>). If the path in your controller is correct it should
|
||
work.</p>
|
||
</section>
|
||
</section>
|
||
<section id="accessing-files">
|
||
<span id="uploaded-files-accessing-files"></span><h2><a class="toc-backref" href="#id10" role="doc-backlink">Accessing Files</a><a class="headerlink" href="#accessing-files" title="Permalink to this heading"></a></h2>
|
||
<section id="all-files">
|
||
<h3><a class="toc-backref" href="#id11" role="doc-backlink">All Files</a><a class="headerlink" href="#all-files" title="Permalink to this heading"></a></h3>
|
||
<p>When you upload files they can be accessed natively in PHP through the <code class="docutils literal notranslate"><span class="pre">$_FILES</span></code> superglobal. This array has some
|
||
major shortcomings when working with multiple files uploaded at once, and has potential security flaws many developers
|
||
are not aware of. CodeIgniter helps with both of these situations by standardizing your usage of files behind a
|
||
common interface.</p>
|
||
<p>Files are accessed through the current <code class="docutils literal notranslate"><span class="pre">IncomingRequest</span></code> instance. To retrieve all files that were uploaded with this
|
||
request, use <code class="docutils literal notranslate"><span class="pre">getFiles()</span></code>. This will return an array of files represented by instances of <code class="docutils literal notranslate"><span class="pre">CodeIgniter\HTTP\Files\UploadedFile</span></code>:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="nv">$files</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">request</span><span class="o">-></span><span class="na">getFiles</span><span class="p">();</span>
|
||
</pre></div>
|
||
</div>
|
||
<p>Of course, there are multiple ways to name the file input, and anything but the simplest can create strange results.
|
||
The array returns in a manner that you would expect. With the simplest usage, a single file might be submitted like:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><</span><span class="nx">input</span> <span class="nx">type</span><span class="o">=</span><span class="s2">"file"</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"avatar"</span><span class="o">></span>
|
||
</pre></div>
|
||
</div>
|
||
<p>Which would return a simple array like:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="p">[</span>
|
||
<span class="s1">'avatar'</span> <span class="o">=></span> <span class="c1">// UploadedFile instance,</span>
|
||
<span class="p">];</span>
|
||
</pre></div>
|
||
</div>
|
||
<div class="admonition note">
|
||
<p class="admonition-title">Note</p>
|
||
<p>The UploadedFile instance corresponds to <code class="docutils literal notranslate"><span class="pre">$_FILES</span></code>. Even if a user just clicks the submit button and does not upload any file, the instance will still exist. You can check that the file was actually uploaded by the <code class="docutils literal notranslate"><span class="pre">isValid()</span></code> method in UploadedFile. See <a class="reference internal" href="#verify-a-file"><span class="std std-ref">Verify a File</span></a>.</p>
|
||
</div>
|
||
<p>If you used an array notation for the name, the input would look something like:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><</span><span class="nx">input</span> <span class="nx">type</span><span class="o">=</span><span class="s2">"file"</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"my-form[details][avatar]"</span><span class="o">></span>
|
||
</pre></div>
|
||
</div>
|
||
<p>The array returned by <code class="docutils literal notranslate"><span class="pre">getFiles()</span></code> would look more like this:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="p">[</span>
|
||
<span class="s1">'my-form'</span> <span class="o">=></span> <span class="p">[</span>
|
||
<span class="s1">'details'</span> <span class="o">=></span> <span class="p">[</span>
|
||
<span class="s1">'avatar'</span> <span class="o">=></span> <span class="c1">// UploadedFile instance</span>
|
||
<span class="p">],</span>
|
||
<span class="p">],</span>
|
||
<span class="p">]</span>
|
||
</pre></div>
|
||
</div>
|
||
<p>In some cases, you may specify an array of files to upload:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="nx">Upload</span> <span class="nx">an</span> <span class="nx">avatar</span><span class="o">:</span> <span class="o"><</span><span class="nx">input</span> <span class="nx">type</span><span class="o">=</span><span class="s2">"file"</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"my-form[details][avatars][]"</span><span class="o">></span>
|
||
<span class="nx">Upload</span> <span class="nx">an</span> <span class="nx">avatar</span><span class="o">:</span> <span class="o"><</span><span class="nx">input</span> <span class="nx">type</span><span class="o">=</span><span class="s2">"file"</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"my-form[details][avatars][]"</span><span class="o">></span>
|
||
</pre></div>
|
||
</div>
|
||
<p>In this case, the returned array of files would be more like:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="p">[</span>
|
||
<span class="s1">'my-form'</span> <span class="o">=></span> <span class="p">[</span>
|
||
<span class="s1">'details'</span> <span class="o">=></span> <span class="p">[</span>
|
||
<span class="s1">'avatar'</span> <span class="o">=></span> <span class="p">[</span>
|
||
<span class="mi">0</span> <span class="o">=></span> <span class="c1">// UploadedFile instance,</span>
|
||
<span class="mi">1</span> <span class="o">=></span> <span class="c1">// UploadedFile instance,</span>
|
||
<span class="p">],</span>
|
||
<span class="p">],</span>
|
||
<span class="p">],</span>
|
||
<span class="p">]</span>
|
||
</pre></div>
|
||
</div>
|
||
</section>
|
||
<section id="single-file">
|
||
<h3><a class="toc-backref" href="#id12" role="doc-backlink">Single File</a><a class="headerlink" href="#single-file" title="Permalink to this heading"></a></h3>
|
||
<p>If you just need to access a single file, you can use <code class="docutils literal notranslate"><span class="pre">getFile()</span></code> to retrieve the file instance directly. This will return an instance of <code class="docutils literal notranslate"><span class="pre">CodeIgniter\HTTP\Files\UploadedFile</span></code>:</p>
|
||
<section id="simplest-usage">
|
||
<h4>Simplest usage<a class="headerlink" href="#simplest-usage" title="Permalink to this heading"></a></h4>
|
||
<p>With the simplest usage, a single file might be submitted like:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><</span><span class="nx">input</span> <span class="nx">type</span><span class="o">=</span><span class="s2">"file"</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"userfile"</span><span class="o">></span>
|
||
</pre></div>
|
||
</div>
|
||
<p>Which would return a simple file instance like:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="nv">$file</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">request</span><span class="o">-></span><span class="na">getFile</span><span class="p">(</span><span class="s1">'userfile'</span><span class="p">);</span>
|
||
</pre></div>
|
||
</div>
|
||
</section>
|
||
<section id="array-notation">
|
||
<h4>Array notation<a class="headerlink" href="#array-notation" title="Permalink to this heading"></a></h4>
|
||
<p>If you used an array notation for the name, the input would look something like:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><</span><span class="nx">input</span> <span class="nx">type</span><span class="o">=</span><span class="s2">"file"</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"my-form[details][avatar]"</span><span class="o">></span>
|
||
</pre></div>
|
||
</div>
|
||
<p>For get the file instance:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="nv">$file</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">request</span><span class="o">-></span><span class="na">getFile</span><span class="p">(</span><span class="s1">'my-form.details.avatar'</span><span class="p">);</span>
|
||
</pre></div>
|
||
</div>
|
||
</section>
|
||
</section>
|
||
<section id="multiple-files">
|
||
<h3><a class="toc-backref" href="#id13" role="doc-backlink">Multiple files</a><a class="headerlink" href="#multiple-files" title="Permalink to this heading"></a></h3>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><</span><span class="nx">input</span> <span class="nx">type</span><span class="o">=</span><span class="s2">"file"</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"images[]"</span> <span class="nx">multiple</span><span class="o">></span>
|
||
</pre></div>
|
||
</div>
|
||
<p>In controller:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="k">if</span> <span class="p">(</span><span class="nv">$imagefile</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">request</span><span class="o">-></span><span class="na">getFiles</span><span class="p">())</span> <span class="p">{</span>
|
||
<span class="k">foreach</span> <span class="p">(</span><span class="nv">$imagefile</span><span class="p">[</span><span class="s1">'images'</span><span class="p">]</span> <span class="k">as</span> <span class="nv">$img</span><span class="p">)</span> <span class="p">{</span>
|
||
<span class="k">if</span> <span class="p">(</span><span class="nv">$img</span><span class="o">-></span><span class="na">isValid</span><span class="p">()</span> <span class="o">&&</span> <span class="o">!</span> <span class="nv">$img</span><span class="o">-></span><span class="na">hasMoved</span><span class="p">())</span> <span class="p">{</span>
|
||
<span class="nv">$newName</span> <span class="o">=</span> <span class="nv">$img</span><span class="o">-></span><span class="na">getRandomName</span><span class="p">();</span>
|
||
<span class="nv">$img</span><span class="o">-></span><span class="na">move</span><span class="p">(</span><span class="nx">WRITEPATH</span> <span class="o">.</span> <span class="s1">'uploads'</span><span class="p">,</span> <span class="nv">$newName</span><span class="p">);</span>
|
||
<span class="p">}</span>
|
||
<span class="p">}</span>
|
||
<span class="p">}</span>
|
||
</pre></div>
|
||
</div>
|
||
<p>where the <code class="docutils literal notranslate"><span class="pre">images</span></code> is a loop from the form field name.</p>
|
||
<p>If there are multiple files with the same name you can use <code class="docutils literal notranslate"><span class="pre">getFile()</span></code> to retrieve every file individually.</p>
|
||
<p>In controller:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="nv">$file1</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">request</span><span class="o">-></span><span class="na">getFile</span><span class="p">(</span><span class="s1">'images.0'</span><span class="p">);</span>
|
||
<span class="nv">$file2</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">request</span><span class="o">-></span><span class="na">getFile</span><span class="p">(</span><span class="s1">'images.1'</span><span class="p">);</span>
|
||
</pre></div>
|
||
</div>
|
||
<p>You might find it easier to use <code class="docutils literal notranslate"><span class="pre">getFileMultiple()</span></code>, to get an array of uploaded files with the same name:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="nv">$files</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">request</span><span class="o">-></span><span class="na">getFileMultiple</span><span class="p">(</span><span class="s1">'images'</span><span class="p">);</span>
|
||
</pre></div>
|
||
</div>
|
||
<p>Another example:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="nx">Upload</span> <span class="nx">an</span> <span class="nx">avatar</span><span class="o">:</span> <span class="o"><</span><span class="nx">input</span> <span class="nx">type</span><span class="o">=</span><span class="s2">"file"</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"my-form[details][avatars][]"</span><span class="o">></span>
|
||
<span class="nx">Upload</span> <span class="nx">an</span> <span class="nx">avatar</span><span class="o">:</span> <span class="o"><</span><span class="nx">input</span> <span class="nx">type</span><span class="o">=</span><span class="s2">"file"</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"my-form[details][avatars][]"</span><span class="o">></span>
|
||
</pre></div>
|
||
</div>
|
||
<p>In controller:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="nv">$file1</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">request</span><span class="o">-></span><span class="na">getFile</span><span class="p">(</span><span class="s1">'my-form.details.avatars.0'</span><span class="p">);</span>
|
||
<span class="nv">$file2</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">request</span><span class="o">-></span><span class="na">getFile</span><span class="p">(</span><span class="s1">'my-form.details.avatars.1'</span><span class="p">);</span>
|
||
</pre></div>
|
||
</div>
|
||
<div class="admonition note">
|
||
<p class="admonition-title">Note</p>
|
||
<p>Using <code class="docutils literal notranslate"><span class="pre">getFiles()</span></code> is more appropriate.</p>
|
||
</div>
|
||
</section>
|
||
</section>
|
||
<section id="working-with-the-file">
|
||
<h2><a class="toc-backref" href="#id14" role="doc-backlink">Working with the File</a><a class="headerlink" href="#working-with-the-file" title="Permalink to this heading"></a></h2>
|
||
<p>Once you’ve retrieved the UploadedFile instance, you can get information about the file in safe ways, as well as
|
||
move the file to a new location.</p>
|
||
<section id="verify-a-file">
|
||
<span id="id2"></span><h3><a class="toc-backref" href="#id15" role="doc-backlink">Verify a File</a><a class="headerlink" href="#verify-a-file" title="Permalink to this heading"></a></h3>
|
||
<p>You can check that a file was actually uploaded via HTTP with no errors by calling the <code class="docutils literal notranslate"><span class="pre">isValid()</span></code> method:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="k">if</span> <span class="p">(</span><span class="o">!</span> <span class="nv">$file</span><span class="o">-></span><span class="na">isValid</span><span class="p">())</span> <span class="p">{</span>
|
||
<span class="k">throw</span> <span class="k">new</span> <span class="nx">\RuntimeException</span><span class="p">(</span><span class="nv">$file</span><span class="o">-></span><span class="na">getErrorString</span><span class="p">()</span> <span class="o">.</span> <span class="s1">'('</span> <span class="o">.</span> <span class="nv">$file</span><span class="o">-></span><span class="na">getError</span><span class="p">()</span> <span class="o">.</span> <span class="s1">')'</span><span class="p">);</span>
|
||
<span class="p">}</span>
|
||
</pre></div>
|
||
</div>
|
||
<p>As seen in this example, if a file had an upload error, you can retrieve the error code (an integer) and the error
|
||
message with the <code class="docutils literal notranslate"><span class="pre">getError()</span></code> and <code class="docutils literal notranslate"><span class="pre">getErrorString()</span></code> methods. The following errors can be discovered through
|
||
this method:</p>
|
||
<ul class="simple">
|
||
<li><p>The file exceeds your <code class="docutils literal notranslate"><span class="pre">upload_max_filesize</span></code> ini directive.</p></li>
|
||
<li><p>The file exceeds the upload limit defined in your form.</p></li>
|
||
<li><p>The file was only partially uploaded.</p></li>
|
||
<li><p>No file was uploaded.</p></li>
|
||
<li><p>The file could not be written on disk.</p></li>
|
||
<li><p>File could not be uploaded: missing temporary directory.</p></li>
|
||
<li><p>File upload was stopped by a PHP extension.</p></li>
|
||
</ul>
|
||
</section>
|
||
<section id="file-names">
|
||
<h3><a class="toc-backref" href="#id16" role="doc-backlink">File Names</a><a class="headerlink" href="#file-names" title="Permalink to this heading"></a></h3>
|
||
<section id="getname">
|
||
<h4>getName()<a class="headerlink" href="#getname" title="Permalink to this heading"></a></h4>
|
||
<p>You can retrieve the original filename provided by the client with the <code class="docutils literal notranslate"><span class="pre">getName()</span></code> method. This will typically be the
|
||
filename sent by the client, and should not be trusted. If the file has been moved, this will return the final name of
|
||
the moved file:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="nv">$name</span> <span class="o">=</span> <span class="nv">$file</span><span class="o">-></span><span class="na">getName</span><span class="p">();</span>
|
||
</pre></div>
|
||
</div>
|
||
</section>
|
||
<section id="getclientname">
|
||
<h4>getClientName()<a class="headerlink" href="#getclientname" title="Permalink to this heading"></a></h4>
|
||
<p>Always returns the original name of the uploaded file as sent by the client, even if the file has been moved:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="nv">$originalName</span> <span class="o">=</span> <span class="nv">$file</span><span class="o">-></span><span class="na">getClientName</span><span class="p">();</span>
|
||
</pre></div>
|
||
</div>
|
||
</section>
|
||
<section id="gettempname">
|
||
<h4>getTempName()<a class="headerlink" href="#gettempname" title="Permalink to this heading"></a></h4>
|
||
<p>To get the full path of the temp file that was created during the upload, you can use the <code class="docutils literal notranslate"><span class="pre">getTempName()</span></code> method:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="nv">$tempfile</span> <span class="o">=</span> <span class="nv">$file</span><span class="o">-></span><span class="na">getTempName</span><span class="p">();</span>
|
||
</pre></div>
|
||
</div>
|
||
</section>
|
||
</section>
|
||
<section id="other-file-info">
|
||
<h3><a class="toc-backref" href="#id17" role="doc-backlink">Other File Info</a><a class="headerlink" href="#other-file-info" title="Permalink to this heading"></a></h3>
|
||
<section id="getclientextension">
|
||
<h4>getClientExtension()<a class="headerlink" href="#getclientextension" title="Permalink to this heading"></a></h4>
|
||
<p>Returns the original file extension, based on the file name that was uploaded:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="nv">$ext</span> <span class="o">=</span> <span class="nv">$file</span><span class="o">-></span><span class="na">getClientExtension</span><span class="p">();</span>
|
||
</pre></div>
|
||
</div>
|
||
<div class="admonition warning">
|
||
<p class="admonition-title">Warning</p>
|
||
<p>This is NOT a trusted source. For a trusted version, use <code class="docutils literal notranslate"><span class="pre">guessExtension()</span></code> instead.</p>
|
||
</div>
|
||
</section>
|
||
<section id="getclientmimetype">
|
||
<h4>getClientMimeType()<a class="headerlink" href="#getclientmimetype" title="Permalink to this heading"></a></h4>
|
||
<p>Returns the mime type of the file as provided by the client. This is NOT a trusted value. For a trusted
|
||
version, use <code class="docutils literal notranslate"><span class="pre">getMimeType()</span></code> instead:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="nv">$type</span> <span class="o">=</span> <span class="nv">$file</span><span class="o">-></span><span class="na">getClientMimeType</span><span class="p">();</span>
|
||
|
||
<span class="k">echo</span> <span class="nv">$type</span><span class="p">;</span> <span class="c1">// image/png</span>
|
||
</pre></div>
|
||
</div>
|
||
</section>
|
||
<section id="getclientpath">
|
||
<h4>getClientPath()<a class="headerlink" href="#getclientpath" title="Permalink to this heading"></a></h4>
|
||
<div class="versionadded">
|
||
<p><span class="versionmodified added">New in version 4.4.0.</span></p>
|
||
</div>
|
||
<p>Returns the <a class="reference external" href="https://developer.mozilla.org/en-US/docs/Web/API/File/webkitRelativePath">webkit relative path</a> of the uploaded file when the client has uploaded files via directory upload.
|
||
In PHP versions below 8.1, this returns <code class="docutils literal notranslate"><span class="pre">null</span></code></p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="nv">$clientPath</span> <span class="o">=</span> <span class="nv">$file</span><span class="o">-></span><span class="na">getClientPath</span><span class="p">();</span>
|
||
<span class="k">echo</span> <span class="nv">$clientPath</span><span class="p">;</span> <span class="c1">// dir/file.txt, or dir/sub_dir/file.txt</span>
|
||
</pre></div>
|
||
</div>
|
||
</section>
|
||
</section>
|
||
<section id="moving-files">
|
||
<h3><a class="toc-backref" href="#id18" role="doc-backlink">Moving Files</a><a class="headerlink" href="#moving-files" title="Permalink to this heading"></a></h3>
|
||
<section id="with-original-filename">
|
||
<h4>with Original Filename<a class="headerlink" href="#with-original-filename" title="Permalink to this heading"></a></h4>
|
||
<p>Each file can be moved to its new location with the aptly named <code class="docutils literal notranslate"><span class="pre">move()</span></code> method. This takes the directory to move
|
||
the file to as the first parameter:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="nv">$file</span><span class="o">-></span><span class="na">move</span><span class="p">(</span><span class="nx">WRITEPATH</span> <span class="o">.</span> <span class="s1">'uploads'</span><span class="p">);</span>
|
||
</pre></div>
|
||
</div>
|
||
<p>By default, the original filename was used.</p>
|
||
</section>
|
||
<section id="with-new-filename">
|
||
<h4>with New Filename<a class="headerlink" href="#with-new-filename" title="Permalink to this heading"></a></h4>
|
||
<p>You can specify a new filename by passing it as the second parameter:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="nv">$newName</span> <span class="o">=</span> <span class="nv">$file</span><span class="o">-></span><span class="na">getRandomName</span><span class="p">();</span>
|
||
<span class="nv">$file</span><span class="o">-></span><span class="na">move</span><span class="p">(</span><span class="nx">WRITEPATH</span> <span class="o">.</span> <span class="s1">'uploads'</span><span class="p">,</span> <span class="nv">$newName</span><span class="p">);</span>
|
||
</pre></div>
|
||
</div>
|
||
</section>
|
||
<section id="overwriting-existing-file">
|
||
<h4>Overwriting Existing File<a class="headerlink" href="#overwriting-existing-file" title="Permalink to this heading"></a></h4>
|
||
<p>By default, if the destination file already exists, a new filename will be used.
|
||
For example, if <strong>image_name.jpg</strong> already exists in the directory, then the
|
||
filename will be <strong>image_name_1.jpg</strong> automatically.</p>
|
||
<p>You can overwrite the existing file by passing <code class="docutils literal notranslate"><span class="pre">true</span></code>
|
||
as the third parameter:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="nv">$file</span><span class="o">-></span><span class="na">move</span><span class="p">(</span><span class="nx">WRITEPATH</span> <span class="o">.</span> <span class="s1">'uploads'</span><span class="p">,</span> <span class="k">null</span><span class="p">,</span> <span class="k">true</span><span class="p">);</span>
|
||
</pre></div>
|
||
</div>
|
||
</section>
|
||
<section id="check-if-the-file-moved">
|
||
<h4>Check if the File Moved<a class="headerlink" href="#check-if-the-file-moved" title="Permalink to this heading"></a></h4>
|
||
<p>Once the file has been moved the temporary file is deleted. You can check if a file has been moved already with
|
||
the <code class="docutils literal notranslate"><span class="pre">hasMoved()</span></code> method, which returns a boolean:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="k">if</span> <span class="p">(</span><span class="nv">$file</span><span class="o">-></span><span class="na">isValid</span><span class="p">()</span> <span class="o">&&</span> <span class="o">!</span> <span class="nv">$file</span><span class="o">-></span><span class="na">hasMoved</span><span class="p">())</span> <span class="p">{</span>
|
||
<span class="nv">$file</span><span class="o">-></span><span class="na">move</span><span class="p">(</span><span class="nv">$path</span><span class="p">);</span>
|
||
<span class="p">}</span>
|
||
</pre></div>
|
||
</div>
|
||
</section>
|
||
<section id="when-moving-fails">
|
||
<h4>When Moving Fails<a class="headerlink" href="#when-moving-fails" title="Permalink to this heading"></a></h4>
|
||
<p>Moving an uploaded file can fail, with an <code class="docutils literal notranslate"><span class="pre">HTTPException</span></code>, under several circumstances:</p>
|
||
<ul class="simple">
|
||
<li><p>the file has already been moved</p></li>
|
||
<li><p>the file did not upload successfully</p></li>
|
||
<li><p>the file move operation fails (e.g., improper permissions)</p></li>
|
||
</ul>
|
||
</section>
|
||
</section>
|
||
<section id="store-files">
|
||
<h3><a class="toc-backref" href="#id19" role="doc-backlink">Store Files</a><a class="headerlink" href="#store-files" title="Permalink to this heading"></a></h3>
|
||
<p>Each file can be moved to its new location with the aptly named <code class="docutils literal notranslate"><span class="pre">store()</span></code> method.</p>
|
||
<p>With the simplest usage, a single file might be submitted like:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><</span><span class="nx">input</span> <span class="nx">type</span><span class="o">=</span><span class="s2">"file"</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"userfile"</span><span class="o">></span>
|
||
</pre></div>
|
||
</div>
|
||
<p>By default, upload files are saved in <strong>writable/uploads</strong> directory. The <strong>YYYYMMDD</strong> folder
|
||
and random file name will be created. Returns a file path:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="nv">$path</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">request</span><span class="o">-></span><span class="na">getFile</span><span class="p">(</span><span class="s1">'userfile'</span><span class="p">)</span><span class="o">-></span><span class="na">store</span><span class="p">();</span>
|
||
</pre></div>
|
||
</div>
|
||
<p>You can specify a directory to move the file to as the first parameter. A new filename by
|
||
passing it as the second parameter:</p>
|
||
<div class="highlight-html+php notranslate"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
||
|
||
<span class="nv">$path</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-></span><span class="na">request</span><span class="o">-></span><span class="na">getFile</span><span class="p">(</span><span class="s1">'userfile'</span><span class="p">)</span><span class="o">-></span><span class="na">store</span><span class="p">(</span><span class="s1">'head_img/'</span><span class="p">,</span> <span class="s1">'user_name.jpg'</span><span class="p">);</span>
|
||
</pre></div>
|
||
</div>
|
||
<p>Moving an uploaded file can fail, with an <code class="docutils literal notranslate"><span class="pre">HTTPException</span></code>, under several circumstances:</p>
|
||
<ul class="simple">
|
||
<li><p>the file has already been moved</p></li>
|
||
<li><p>the file did not upload successfully</p></li>
|
||
<li><p>the file move operation fails (e.g., improper permissions)</p></li>
|
||
</ul>
|
||
</section>
|
||
</section>
|
||
</section>
|
||
|
||
|
||
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|
||
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|
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