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106 lines
2.6 KiB
106 lines
2.6 KiB
<?php
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namespace Fuel\Core;
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/**
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* PHP Config file parser
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*/
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class Config_Php extends \Config_File
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{
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/**
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* @var bool whether or not opcache is in use
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*/
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protected static $uses_opcache = false;
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/**
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* @var bool whether or not APC is in use
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*/
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protected static $uses_apc = false;
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/**
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* @var bool whether or not we need to flush the opcode cache after a save
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*/
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protected static $flush_needed = false;
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/**
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* check the status of any opcache mechanism in use
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*/
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public static function _init()
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{
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// do we have Opcache active?
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static::$uses_opcache = (PHP_VERSION_ID >= 50500 and function_exists('opcache_invalidate'));
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// do we have APC active?
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static::$uses_apc = function_exists('apc_compile_file');
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// determine if we have an opcode cache active
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static::$flush_needed = static::$uses_opcache or static::$uses_apc;
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}
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/**
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* @var string the extension used by this config file parser
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*/
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protected $ext = '.php';
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/**
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* Formats the output and saved it to disk.
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*
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* @param $contents $contents config array to save
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* @return bool \File::update result
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*/
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public function save($contents)
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{
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// store the current filename
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$file = $this->file;
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// save it
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$return = parent::save($contents);
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// existing file? saved? and do we need to flush the opcode cache?
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if ($file == $this->file and $return and static::$flush_needed)
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{
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if ($this->file[0] !== '/' and ( ! isset($this->file[1]) or $this->file[1] !== ':'))
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{
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// locate the file
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$file = \Finder::search('config', $this->file, $this->ext);
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}
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// make sure we have a fallback
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$file or $file = APPPATH.'config'.DS.$this->file.$this->ext;
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// flush the opcode caches that are active
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static::$uses_opcache and opcache_invalidate($file, true);
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static::$uses_apc and apc_compile_file($file);
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}
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return $return;
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}
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/**
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* Loads in the given file and parses it.
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*
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* @param string $file File to load
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* @return array
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*/
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protected function load_file($file)
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{
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return \Fuel::load($file);
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}
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/**
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* Returns the formatted config file contents.
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*
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* @param array $contents config array
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* @return string formatted config file contents
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*/
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protected function export_format($contents)
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{
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$output = <<<CONF
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<?php
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CONF;
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$output .= 'return '.str_replace(array('array ('.PHP_EOL, '\''.APPPATH, '\''.DOCROOT, '\''.COREPATH, '\''.PKGPATH), array('array('.PHP_EOL, 'APPPATH.\'', 'DOCROOT.\'', 'COREPATH.\'', 'PKGPATH.\''), var_export($contents, true)).";\n";
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return $output;
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}
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}
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