mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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376 lines
11 KiB
PHP
376 lines
11 KiB
PHP
<?php
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/**
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* Configure class
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*
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* PHP 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package cake.libs
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* @since CakePHP(tm) v 1.0.0.2363
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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/**
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* Configuration class. Used for managing runtime configuration information.
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*
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* Provides features for reading and writing to the runtime configuration, as well
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* as methods for loading additional configuration files or storing runtime configuration
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* for future use.
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*
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* @package cake.libs
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* @link http://book.cakephp.org/view/924/The-Configuration-Class
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*/
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class Configure {
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/**
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* Array of values currently stored in Configure.
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*
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* @var array
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*/
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protected static $_values = array(
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'debug' => 0
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);
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/**
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* Configured reader classes, used to load config files from resources
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*
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* @var array
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* @see Configure::load()
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*/
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protected static $_readers = array();
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/**
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* Initializes configure and runs the bootstrap process.
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* Bootstrapping includes the following steps:
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*
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* - Setup App array in Configure.
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* - Include app/config/core.php.
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* - Configure core cache configurations.
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* - Load App cache files.
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* - Include app/config/bootstrap.php.
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* - Setup error/exception handlers.
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*
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* @return void
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*/
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public static function bootstrap($boot = true) {
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if ($boot) {
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self::write('App', array(
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'base' => false,
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'baseUrl' => false,
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'dir' => APP_DIR,
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'webroot' => WEBROOT_DIR,
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'www_root' => WWW_ROOT
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));
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if (!include(APP . 'Config' . DS . 'core.php')) {
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trigger_error(__d('cake_dev', "Can't find application core file. Please create %score.php, and make sure it is readable by PHP.", APP . 'Config' . DS), E_USER_ERROR);
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}
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App::init();
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App::build();
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if (!include(APP . 'Config' . DS . 'bootstrap.php')) {
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trigger_error(__d('cake_dev', "Can't find application bootstrap file. Please create %sbootstrap.php, and make sure it is readable by PHP.", APP . 'Config' . DS), E_USER_ERROR);
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}
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$level = -1;
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if (isset(self::$_values['Error']['level'])) {
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error_reporting(self::$_values['Error']['level']);
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$level = self::$_values['Error']['level'];
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}
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if (!empty(self::$_values['Error']['handler'])) {
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set_error_handler(self::$_values['Error']['handler'], $level);
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}
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if (!empty(self::$_values['Exception']['handler'])) {
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set_exception_handler(self::$_values['Exception']['handler']);
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}
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}
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}
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/**
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* Used to store a dynamic variable in Configure.
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*
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* Usage:
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* {{{
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* Configure::write('One.key1', 'value of the Configure::One[key1]');
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* Configure::write(array('One.key1' => 'value of the Configure::One[key1]'));
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* Configure::write('One', array(
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* 'key1' => 'value of the Configure::One[key1]',
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* 'key2' => 'value of the Configure::One[key2]'
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* );
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*
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* Configure::write(array(
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* 'One.key1' => 'value of the Configure::One[key1]',
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* 'One.key2' => 'value of the Configure::One[key2]'
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* ));
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* }}}
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*
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* @link http://book.cakephp.org/view/926/write
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* @param array $config Name of var to write
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* @param mixed $value Value to set for var
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* @return boolean True if write was successful
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*/
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public static function write($config, $value = null) {
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if (!is_array($config)) {
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$config = array($config => $value);
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}
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foreach ($config as $name => $value) {
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if (strpos($name, '.') === false) {
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self::$_values[$name] = $value;
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} else {
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$names = explode('.', $name, 4);
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switch (count($names)) {
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case 2:
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self::$_values[$names[0]][$names[1]] = $value;
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break;
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case 3:
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self::$_values[$names[0]][$names[1]][$names[2]] = $value;
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break;
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case 4:
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$names = explode('.', $name, 2);
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if (!isset(self::$_values[$names[0]])) {
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self::$_values[$names[0]] = array();
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}
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self::$_values[$names[0]] = Set::insert(self::$_values[$names[0]], $names[1], $value);
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break;
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}
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}
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}
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if (isset($config['debug']) && function_exists('ini_set')) {
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if (self::$_values['debug']) {
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ini_set('display_errors', 1);
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} else {
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ini_set('display_errors', 0);
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}
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}
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return true;
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}
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/**
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* Used to read information stored in Configure. Its not
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* possible to store `null` values in Configure.
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*
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* Usage:
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* {{{
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* Configure::read('Name'); will return all values for Name
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* Configure::read('Name.key'); will return only the value of Configure::Name[key]
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* }}}
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*
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* @link http://book.cakephp.org/view/927/read
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* @param string $var Variable to obtain. Use '.' to access array elements.
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* @return mixed value stored in configure, or null.
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*/
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public static function read($var = null) {
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if ($var === null) {
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return self::$_values;
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}
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if (isset(self::$_values[$var])) {
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return self::$_values[$var];
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}
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if (strpos($var, '.') !== false) {
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$names = explode('.', $var, 3);
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$var = $names[0];
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}
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if (!isset(self::$_values[$var])) {
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return null;
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}
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switch (count($names)) {
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case 2:
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if (isset(self::$_values[$var][$names[1]])) {
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return self::$_values[$var][$names[1]];
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}
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break;
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case 3:
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if (isset(self::$_values[$var][$names[1]][$names[2]])) {
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return self::$_values[$var][$names[1]][$names[2]];
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}
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if (!isset(self::$_values[$var][$names[1]])) {
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return null;
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}
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return Set::classicExtract(self::$_values[$var][$names[1]], $names[2]);
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break;
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}
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return null;
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}
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/**
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* Used to delete a variable from Configure.
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*
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* Usage:
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* {{{
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* Configure::delete('Name'); will delete the entire Configure::Name
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* Configure::delete('Name.key'); will delete only the Configure::Name[key]
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* }}}
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*
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* @link http://book.cakephp.org/view/928/delete
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* @param string $var the var to be deleted
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* @return void
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*/
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public static function delete($var = null) {
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if (strpos($var, '.') === false) {
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unset(self::$_values[$var]);
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return;
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}
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$names = explode('.', $var, 2);
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self::$_values[$names[0]] = Set::remove(self::$_values[$names[0]], $names[1]);
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}
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/**
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* Add a new reader to Configure. Readers allow you to read configuration
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* files in various formats/storage locations. CakePHP comes with two built-in readers
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* PhpReader and IniReader. You can also implement your own reader classes in your application.
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*
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* To add a new reader to Configure:
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*
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* `Configure::config('ini', new IniReader());`
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*
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* @param string $name The name of the reader being configured. This alias is used later to
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* read values from a specific reader.
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* @param ConfigReaderInterface $reader The reader to append.
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* @return void
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*/
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public static function config($name, ConfigReaderInterface $reader) {
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self::$_readers[$name] = $reader;
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}
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/**
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* Gets the names of the configured reader objects.
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*
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* @return array Array of the configured reader objects.
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*/
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public static function configured($name = null) {
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if ($name) {
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return isset(self::$_readers[$name]);
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}
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return array_keys(self::$_readers);
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}
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/**
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* Remove a configured reader. This will unset the reader
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* and make any future attempts to use it cause an Exception.
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*
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* @param string $name Name of the reader to drop.
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* @return boolean Success
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*/
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public static function drop($name) {
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if (!isset(self::$_readers[$name])) {
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return false;
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}
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unset(self::$_readers[$name]);
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return true;
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}
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/**
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* Loads stored configuration information from a resource. You can add
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* config file resource readers with `Configure::config()`.
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*
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* Loaded configuration information will be merged with the current
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* runtime configuration. You can load configuration files from plugins
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* by preceding the filename with the plugin name.
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*
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* `Configure::load('Users.user', 'default')`
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*
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* Would load the 'user' config file using the default config reader. You can load
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* app config files by giving the name of the resource you want loaded.
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*
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* `Configure::load('setup', 'default');`
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*
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* @link http://book.cakephp.org/view/929/load
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* @param string $key name of configuration resource to load.
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* @param string $config Name of the configured reader to use to read the resource identified by $key.
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* @param boolean $merge if config files should be merged instead of simply overridden
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* @return mixed false if file not found, void if load successful.
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* @throws ConfigureException Will throw any exceptions the reader raises.
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*/
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public static function load($key, $config = 'default', $merge = true) {
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if (!isset(self::$_readers[$config])) {
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return false;
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}
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$values = self::$_readers[$config]->read($key);
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if ($merge) {
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$keys = array_keys($values);
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foreach ($keys as $key) {
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if (($c = self::read($key)) && is_array($values[$key]) && is_array($c)) {
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$values[$key] = array_merge_recursive($c, $values[$key]);
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}
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}
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}
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return self::write($values);
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}
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/**
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* Used to determine the current version of CakePHP.
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*
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* Usage `Configure::version();`
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*
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* @link http://book.cakephp.org/view/930/version
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* @return string Current version of CakePHP
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*/
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public static function version() {
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if (!isset(self::$_values['Cake']['version'])) {
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require(CAKE . 'Config' . DS . 'config.php');
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self::write($config);
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}
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return self::$_values['Cake']['version'];
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}
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/**
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* Used to write runtime configuration into Cache. Stored runtime configuration can be
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* restored using `Configure::restore()`. These methods can be used to enable configuration managers
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* frontends, or other GUI type interfaces for configuration.
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*
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* @param string $name The storage name for the saved configuration.
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* @param string $cacheConfig The cache configuration to save into. Defaults to 'default'
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* @param array $data Either an array of data to store, or leave empty to store all values.
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* @return boolean Success
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*/
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public static function store($name, $cacheConfig = 'default', $data = null) {
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if ($data === null) {
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$data = self::$_values;
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}
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return Cache::write($name, $data, $cacheConfig);
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}
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/**
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* Restores configuration data stored in the Cache into configure. Restored
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* values will overwrite existing ones.
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*
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* @param string $name Name of the stored config file to load.
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* @param string $cacheConfig Name of the Cache configuration to read from.
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* @return boolean Success.
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*/
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public static function restore($name, $cacheConfig = 'default') {
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$values = Cache::read($name, $cacheConfig);
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if ($values) {
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return self::write($values);
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}
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return false;
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}
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}
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/**
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* An interface for creating objects compatible with Configure::load()
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*
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* @package cake.libs
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*/
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interface ConfigReaderInterface {
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/**
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* Read method is used for reading configuration information from sources.
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* These sources can either be static resources like files, or dynamic ones like
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* a database, or other datasource.
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*
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* @param string $key
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* @return array An array of data to merge into the runtime configuration
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*/
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function read($key);
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}
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