3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function a() { return 'http://localhost'; } if ( $hostName = a() ) { var_dump( parse_url( $hostName, PHP_URL_PORT ) ); }
Output for 5.1.2 - 7.1.0
NULL
Output for 4.3.0 - 5.1.1
Notice: Use of undefined constant PHP_URL_PORT - assumed 'PHP_URL_PORT' in /in/pjr4i on line 9 Warning: parse_url() expects exactly 1 parameter, 2 given in /in/pjr4i on line 9 NULL