3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2017-05-08T08:37:10Z

<?php
$foo = substr("foo",3);
if(strlen($foo) == 0){
    echo "Run on both PHP 5 and PHP 7\n";
    echo gettype($foo); //boolean on PHP 5 and string on PHP 7
}

Output
Performance
VLD
References
Branches

substr: documentation ( source)

preferences:dark modelive preview

68.59 ms | 404 KiB | 5 Q