Textdateien nach Zeichenkodierung-Zeichensatz suchen

<?php

	function findNonBOMRecursive($startDir,&$outArray)
	{
		if($startDir[strlen($startDir)-1] != '/')  
			$startDir .= '/';  
			
		$files = glob($startDir.'*');  
		
		foreach ($files as $file) {
			
			if(is_dir($file)) {
				findNonBOMRecursive($file,$outArray);
				continue;
			}
			
			if(!preg_match('/\.php$/iD', $file))  
				continue;
			
			$fh = fopen($file,'r');  
			$top = fread($fh, 3);
			fclose($fh);
			
			if($top != "\xEF\xBB\xBF")  
				$outArray = $file;
		}
	}
	
	$files = array();
	
	findNonBOMRecursive('/my/project',$files);  
	
	print_r($files);

?>

<?php

	function findNonUTF8Recursive($startDir,&$outArray)
	{
		if($startDir[strlen($startDir)-1] != '/')  
			$startDir .= '/';  
			
		$files = glob($startDir.'*');  
		
		foreach ($files as $file) {
			
			if(is_dir($file)) {
				findNonBOMRecursive($file,$outArray);
				continue;
			}
			
			if(!preg_match('/\.php$/iD', $file))  
				continue;
			
			$cont = file_get_contents($file);
			
			if(strpos($cont, "\xC3\xBC") || //ü  
			   strpos($cont, "\xC3\xA4") || //ä  
			   strpos($cont, "\xC3\xB6") || //ö  
			   strpos($cont, "\xC3\x9F")    //ß   
			)
				continue;
			
			$outArray = $file;
		}
	}
	
	$files = array();
	
	findNonUTF8Recursive('/my/project',$files);  
	
	print_r($files);

?>