3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $bad_char = "♥"; $error_msg = "Illegal usage: $bad_char"; $code = "I \$♥ PHP"; if ( mb_strpos( $code, $bad_char) ) { exit( $error_msg ); }
based on o5tY3
Output for 4.3.0 - 7.2.0
Illegal usage: ♥