Chek if a phone numbers is valid, according to its syntax (should be: "+390523599314"). True if it's valid, False otherwise
function is_valid_phone( $phone ) { if ( $phone[0] != "+" ) { return false; } // end if else { $phone = substr( $phone, 1 ); // delete the "+" if ( !is_numeric( $phone ) ) { return false; } // end if } // end else return true; } // end function is_valid_phone
This function is used to find the file extension also you can use pathinfo() function for get information about a file path. function ext($file_name) { return substr($file_name, strrpos($fi...
Encrypt function return different value with each execute but decrypt function return input value. for example: first execute: encrypt('hello') => 'axxdfg34', decrypt('axxdfg34') return 'hello'...
Random string generator. Optionally, you can give it a desired string length. function rnd_string($len = 24) { $str = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; $str...
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...
