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...
This way useful for create mixed arguments function. function foo() { $args = func_get_args(); print_r($args); } foo(1, 1256, 6, 17); //mixed ... -------------------Out-...
This function return formatting of file sizes in a human readable format. function formatFileSize( $size ) { $file_size = $size; $i = 0; $name = array( 'byte', 'kB', 'MB', '...
This function check if an url is valid or not. function is_valid_url($url) { return preg_match('|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i', $url); }...