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122 lines
3.5 KiB
PHP
122 lines
3.5 KiB
PHP
<?php namespace CodeIgniter\Config;
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/**
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* CodeIgniter
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*
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* An open source application development framework for PHP
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*
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* This content is released under the MIT License (MIT)
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*
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* Copyright (c) 2014 - 2017, British Columbia Institute of Technology
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @package CodeIgniter
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* @author CodeIgniter Dev Team
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* @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
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* @license http://opensource.org/licenses/MIT MIT License
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* @link http://codeigniter.com
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* @since Version 3.0.0
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* @filesource
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*/
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/**
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* Class BaseConfig
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*
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* Not intended to be used on its own, this class will attempt to
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* automatically populate the child class' properties with values
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* from the environment.
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*
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* These can be set within the .env file.
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*/
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class BaseConfig
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{
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/**
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* Will attempt to get environment variables with names
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* that match the properties of the child class.
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*/
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public function __construct()
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{
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$properties = array_keys(get_object_vars($this));
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$prefix = get_class($this);
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$shortPrefix = strtolower(substr($prefix, strrpos($prefix, '\\') + 1));
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foreach ($properties as $property)
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{
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if (is_array($this->$property))
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{
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foreach ($this->$property as $key => $val)
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{
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if ($value = $this->getEnvValue("{$property}.{$key}", $prefix, $shortPrefix))
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{
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if (is_null($value)) continue;
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if ($value === 'false') $value = false;
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elseif ($value === 'true') $value = true;
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$this->$property[$key] = $value;
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}
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}
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}
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else
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{
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if (($value = $this->getEnvValue($property, $prefix, $shortPrefix)) !== false )
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{
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if (is_null($value)) continue;
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if ($value === 'false') $value = false;
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elseif ($value === 'true') $value = true;
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$this->$property = $value;
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}
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}
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}
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}
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//--------------------------------------------------------------------
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/**
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* Retrieve an environment-specific configuration setting
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* @param string $property
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* @param string $prefix
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* @param string $shortPrefix
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* @return type
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*/
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protected function getEnvValue(string $property, string $prefix, string $shortPrefix)
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{
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if (($value = getenv("{$shortPrefix}.{$property}")) !== false)
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{
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return $value;
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}
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elseif (($value = getenv("{$prefix}.{$property}")) !== false)
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{
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return $value;
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}
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elseif (($value = getenv($property)) !== false && $property != 'path')
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{
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return $value;
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}
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return null;
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}
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//--------------------------------------------------------------------
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}
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