mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
80 lines
2.2 KiB
PHP
80 lines
2.2 KiB
PHP
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<?php
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class Filesystem extends Object {
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/**
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* Create a folder, recursively
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*/
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static function makeFolder($folder) {
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if(!file_exists($base = dirname($folder))) self::makeFolder($base);
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if(!file_exists($folder)) mkdir($folder, 02775);
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}
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/**
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* Remove a directory and all subdirectories and files
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*/
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static function removeFolder( $folder ) {
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// remove a file encountered by a recursive call.
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if( !is_dir( $folder ) )
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unlink( $folder );
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else {
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$dir = opendir( $folder );
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while( $file = readdir( $dir ) )
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if( !preg_match( '/\.{1,2}$/', $file ) )
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self::removeFolder( $folder.'/'.$file );
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closedir($dir);
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rmdir($folder);
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}
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}
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/*
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* Return the most recent modification time of anything in the folder.
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* @param $folder The folder, relative to the site root
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* @param $extensionList An option array of file extensions to limit the search to
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*/
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protected static $cache_folderModTime;
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static function folderModTime($folder, $extensionList = null, $recursiveCall = false) {
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//$cacheID = $folder . ',' . implode(',', $extensionList);
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//if(!$recursiveCall && self::$cache_folderModTime[$cacheID]) return self::$cache_folderModTime[$cacheID];
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$modTime = 0;
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if(!Filesystem::isAbsolute($folder)) $folder = Director::baseFolder() . '/' . $folder;
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$items = scandir($folder);
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foreach($items as $item) {
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if($item[0] != '.') {
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// Recurse into folders
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if(is_dir("$folder/$item")) {
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$modTime = max($modTime, self::folderModTime("$folder/$item", $extensionList, true));
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// Check files
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} else {
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if($extensionList) $extension = strtolower(substr($item,strrpos($item,'.')+1));
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if(!$extensionList || in_array($extension, $extensionList)) {
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$modTime = max($modTime, filemtime("$folder/$item"));
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}
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}
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}
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}
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//if(!$recursiveCall) self::$cache_folderModTime[$cacheID] = $modTime;
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return $modTime;
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}
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/**
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* Returns true if the given filename is an absolute file reference.
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* Works on Linux and Windows
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*/
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static function isAbsolute($filename) {
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if($_ENV['OS'] == "Windows_NT" || $_SERVER['WINDIR']) return $filename[1] == ':' && $filename[2] == '/';
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else return $filename[0] == '/';
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}
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}
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?>
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