3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump( parse_str('param1=1&param2=2&param3&param4') );
Output for 7.2.0 - 7.3.0rc4
Deprecated: parse_str(): Calling parse_str() without the result argument is deprecated in /in/OZApn on line 3 NULL
Output for 4.3.0 - 7.1.20
NULL