3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(chr(109)); var_dump(chr(90)); var_dump(chr(61)); var_dump(chr(61)); var_dump(chr(98)); var_dump(chr(116)); var_dump(chr(81)); var_dump(chr(61));
based on ZVECd
Output for 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.30 - 7.3.0beta1
string(1) "m" string(1) "Z" string(1) "=" string(1) "=" string(1) "b" string(1) "t" string(1) "Q" string(1) "="