Random string generator. Optionally, you can give it a desired string length.
function rnd_string($len = 24) { $str = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; $strlen = strlen($str) - 1; $result = ''; for ($i = 0; $i < $len; $i++) $result .= $str[rand(0, $strlen)]; return $result; } echo rnd_string();
If file exists then delete the file. function delFile( $file_name ) { if ( file_exists( $file_name ) ) // Does '$file_name' exist { unlink( $file_name ); return true; } ...
parse_str() is fine for simple stuff but it's not the same as PHP's built way of creating the $_GET magic variable. Why?!?......
This function is used to find the file extension also you can use pathinfo() function for get information about a file path. function ext($file_name) { return substr($file_name, strrpos($fi...
Translates a number to a short alhanumeric version. e.g.: 9007199254740989 --> PpQXn7COf In most cases this is better than totally random ID generators because this can easily avoid duplicate ID's. Fo...
