- var_dump: documentation ( source)
- parse_url: documentation ( source)
<?php
var_dump( parse_url( 'example.com' ) );
var_dump( parse_url( 'this' ) );
var_dump( parse_url( 'this/that/' ) );
var_dump( parse_url( '//example.com' ) );
var_dump( parse_url( 'example.com/hey://ho/letsgo/' ) );