76 lines
2.7 KiB
PHP
76 lines
2.7 KiB
PHP
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<?php
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class scanDir {
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static private $directories, $files, $ext_filter, $recursive;
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// ----------------------------------------------------------------------------------------------
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// scan(dirpath::string|array, extensions::string|array, recursive::true|false)
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static public function scan(){
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// Initialize defaults
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self::$recursive = false;
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self::$directories = array();
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self::$files = array();
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self::$ext_filter = false;
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// Check we have minimum parameters
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if(!$args = func_get_args()){
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die("Must provide a path string or array of path strings");
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}
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if(gettype($args[0]) != "string" && gettype($args[0]) != "array"){
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die("Must provide a path string or array of path strings");
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}
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// Check if recursive scan | default action: no sub-directories
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if(isset($args[2]) && $args[2] == true){self::$recursive = true;}
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// Was a filter on file extensions included? | default action: return all file types
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if(isset($args[1])){
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if(gettype($args[1]) == "array"){self::$ext_filter = array_map('strtolower', $args[1]);}
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else
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if(gettype($args[1]) == "string"){self::$ext_filter[] = strtolower($args[1]);}
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}
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// Grab path(s)
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self::verifyPaths($args[0]);
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return self::$files;
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}
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static private function verifyPaths($paths){
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$path_errors = array();
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if(gettype($paths) == "string"){$paths = array($paths);}
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foreach($paths as $path){
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if(is_dir($path)){
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self::$directories[] = $path;
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$dirContents = self::find_contents($path);
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} else {
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$path_errors[] = $path;
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}
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}
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if($path_errors){echo "The following directories do not exists<br />";die(var_dump($path_errors));}
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}
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// This is how we scan directories
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static private function find_contents($dir){
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$result = array();
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$root = scandir($dir);
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foreach($root as $value){
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if($value === '.' || $value === '..') {continue;}
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if(is_file($dir.DIRECTORY_SEPARATOR.$value)){
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if(!self::$ext_filter || in_array(strtolower(pathinfo($dir.DIRECTORY_SEPARATOR.$value, PATHINFO_EXTENSION)), self::$ext_filter)){
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self::$files[] = $result[] = $dir.DIRECTORY_SEPARATOR.$value;
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}
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continue;
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}
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if(self::$recursive){
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foreach(self::find_contents($dir.DIRECTORY_SEPARATOR.$value) as $value) {
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self::$files[] = $result[] = $value;
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}
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}
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}
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// Return required for recursive search
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return $result;
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}
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}
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?>
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