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), $precision); break; } return false; }
This function check if an url is valid or not. function is_valid_url($url) { return preg_match('|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i', $url); }...
Use this function to download a file from web to local machine. function WgetFile( $URL, $dir ) { $nomefile = $dir . "/" . basename( $URL ); if ( copy( $URL, $nomefile ) ) { retu...
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; } ...
Escapes special characters in a string for use in an SQL statement. howewer it check get_magic_quotes_gpc function is enable or no. if true , it strips string from slashes and escaped string from spec...
