<?php
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 2.0.0
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Core\Configure\Engine;
use Cake\Core\Configure\ConfigEngineInterface;
use Cake\Core\Configure\FileConfigTrait;
use Cake\Core\Exception\Exception;
/**
* PHP engine allows Configure to load configuration values from
* files containing simple PHP arrays.
*
* Files compatible with PhpConfig should return an array that
* contains all of the configuration data contained in the file.
*
* An example configuration file would look like::
*
* ```
* <?php
* return [
* 'debug' => false,
* 'Security' => [
* 'salt' => 'its-secret'
* ],
* 'App' => [
* 'namespace' => 'App'
* ]
* ];
* ```
*
* @see Cake\Core\Configure::load() for how to load custom configuration files.
*/
class PhpConfig implements ConfigEngineInterface
{
use FileConfigTrait;
/**
* File extension.
*
* @var string
*/
protected $_extension = '.php';
/**
* Constructor for PHP Config file reading.
*
* @param string|null $path The path to read config files from. Defaults to CONFIG.
*/
public function __construct($path = null)
{
if ($path === null) {
$path = CONFIG;
}
$this->_path = $path;
}
/**
* Read a config file and return its contents.
*
* Files with `.` in the name will be treated as values in plugins. Instead of
* reading from the initialized path, plugin keys will be located using Plugin::path().
*
* Setting a `$config` variable is deprecated. Use `return` instead.
*
* @param string $key The identifier to read from. If the key has a . it will be treated
* as a plugin prefix.
* @return array Parsed configuration values.
* @throws \Cake\Core\Exception\Exception when files don't exist or they don't contain `$config`.
* Or when files contain '..' as this could lead to abusive reads.
*/
public function read($key)
{
$file = $this->_getFilePath($key, true);
$config = null;
$return = include $file;
if (is_array($return)) {
return $return;
}
if ($config === null) {
throw new Exception(sprintf('Config file "%s" did not return an array', $key . '.php'));
}
deprecationWarning(sprintf(
'PHP configuration files like "%s" should not set `$config`. Instead return an array.',
$key . '.php'
));
return $config;
}
/**
* Converts the provided $data into a string of PHP code that can
* be used saved into a file and loaded later.
*
* @param string $key The identifier to write to. If the key has a . it will be treated
* as a plugin prefix.
* @param array $data Data to dump.
* @return bool Success
*/
public function dump($key, array $data)
{
$contents = '<?php' . "\n" . 'return ' . var_export($data, true) . ';';
$filename = $this->_getFilePath($key);
return file_put_contents($filename, $contents) > 0;
}
}