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Posted By

section31 on 09/17/08

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09/17/08 02:57pm

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 / Published in: PHP

 

function rename_if_exists($dir, $filename) {
	$ext = strrchr($filename, '.');
	$prefix = substr($filename, 0, -strlen($ext));
 
	$i = 0;
	while(file_exists($dir . $filename)) { // If file exists, add a number to it.
		$filename = $prefix . ++$i . $ext;
	}
 
	return $filename;
}

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