3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = "0"; echo "'0' is empty?",empty($a),"\n"; echo "'' == '0'?"; var_dump("" == "0"); echo "FALSE == '' and FALSE == '0'?"; var_dump(FALSE == ""); var_dump(FALSE == "0");
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
'0' is empty?1 '' == '0'?bool(false) FALSE == '' and FALSE == '0'?bool(true) bool(true)
Output for hhvm-3.10.0

Process exited with code 153.