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@ 2014-03-06T14:12:32Z

<?php

function a()
{
    return 'http://localhost:80';
}

$hostname = a();
if ( !$port = parse_url( $hostname, PHP_URL_HOST+PHP_URL_PORT ) ) {
    var_dump( "oops" );
}

echo $port;

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
parse_url: documentation ( source)

preferences:dark modelive preview

37.54 ms | 402 KiB | 5 Q