Safe name of a file by php
function filename_safe($filename) { $temp = $filename; // Lower case $temp = strtolower($temp); // Replace spaces with a "_" $temp = str_replace(" ", "_", $temp); // Loop through string $result = ""; for ($i=0; $i<strlen($temp); $i++) { if (preg_match("([0-9]|[a-z]|_)", $temp[$i])) { $result = $result . $temp[$i]; } } // Return filename return $result; } function safe_filename ($filename) { $search = array( // Definition of German Umlauts START "/ß/", "/ä/","/Ä/", "/ö/","/Ö/", "/ü/","/Ü/", // Definition of German Umlauts ENDE "([^[:alnum:]_])" // Disallow: Not alphanumeric...