Scripts
Autoload class
Met deze class kun je altijd gebruik maken van al je classes. Pas de variable $aFolders aan. Dit zijn de folders welke deze class doorzoekt. Hierin moet dus de class staan wil je er gebruik van maken. Initialiseren van de class in je index kan zo: De class schrijft een cache systeem zodat je voorkomt dat deze class elke keer alle folders moet doorzoeken. Hij controleert dus eerst of de class voorkomt in het cache bestand. zoja, dan required hij deze. zonee (nieuwe class gemaakt en geupload?), dan loopt hij de folders langs en schrijft hij de nieuwe cache. Note: Class namen moeten overeen komen met bestandsnamen!! Changelog - 15 mei: Cache file verwerkt via serialize & unserialize
AutoLoad.php
<?php
Class AutoLoad {
private static $oInstance;
public static $aFolders = array ( 'Bin/',
'Application/',
'Library/' );
private static $aFiles = array( );
private static $sCacheFile = 'Cache/AutoLoad.cache.php';
/**
* Constructor
* Registers the autoloader to this class
*
* @acces private
*
* @returns void
**/
private function __construct() {
spl_autoload_register(__CLASS__ .'::load');
}
/**
* initialise
* Singleton pattern, makes sure class can be loaded once.
*
* @acces public static
*
* @returns object
**/
public static function initialise() {
if (is_null(self::$oInstance)) {
$c = __CLASS__;
self::$oInstance = new $c;
}
return self::$oInstance;
}
/**
* load
* function requires the needed file for using the class
*
* @acces private
*
* @returns void
**/
public static function load($sClassName) {
if(file_exists(self::$sCacheFile)) {
$aCache = unserialize(file_get_contents( self::$sCacheFile ));
if(file_exists($aCache[$sClassName].$sClassName.'.php')) {
require_once($aCache[$sClassName].$sClassName.'.php');
} else {
self::iterator();
self::writeCache();
$aCache = unserialize(file_get_contents( self::$sCacheFile ));
if(file_exists($aCache[$sClassName].$sClassName.'.php')) {
require_once($aCache[$sClassName].$sClassName.'.php');
} else {
trigger_error('Class '.$sClassName.' doesn\'t exists');
}
}
}
}
/**
* writeCache
* writes indexed files to cachefile
*
* @acces private
*
* @returns void
**/
private static function writeCache() {
$sContents = serialize(self::$aFiles);
$oHandle = fopen(self::$sCacheFile, 'w');
fwrite($oHandle, $sContents);
fclose($oHandle);
}
/**
* iterator
* indexes all files in folders used by framework
*
* @acces private
*
* @returns void
**/
private static function iterator() {
foreach(self::$aFolders as $sFolder) {
$aFramework = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($sFolder), RecursiveIteratorIterator::SELF_FIRST);
foreach($aFramework as $sFrameworkFile) {
if(is_file($sFrameworkFile)) {
$aFrameworkFile = explode('/', $sFrameworkFile);
$sFileName = end($aFrameworkFile);
$aFileName = explode('.', $sFileName);
unset($aFileName[count($aFileName) - 1]);
$sFileName = implode('.', $aFileName);
unset($aFrameworkFile[count($aFrameworkFile) - 1]);
$sFilePath = implode('/', $aFrameworkFile);
self::$aFiles[$sFileName] = $sFilePath.'/';
}
}
}
}
/**
* clone
* throws exception
*
* @acces public
*
* @returns void
**/
public function __clone() {
}
/**
* destruct
* throws exception
*
* @acces public
*
* @returns void
**/
public function __destruct() {
}
}
?>
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