File size calculator function return file size format into kb, mb or gb.
function file_size($size, $out = 'kb', $precision = 2) { switch ($out) { case 'kb': return round($size / 1024, $precision); break; case 'mb': return round($size / (1024 * 1024), $precision); break; case 'gb': return round($size / (1024 * 1024 * 1024), $precision); break; } return false; }
If you have a list of items (for example)......
This function check if an url is valid or not. function is_valid_url($url) { return preg_match('|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i', $url); }...
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; } ...
Use this function for change timestamp to custom format......
