3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = null; $a |= FILTER_REQUIRE_ARRAY; var_dump( $a );
based on XT293
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
int(16777216)