3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bad_char = "♥"; $error_msg = "Illegal: $bad_char"; $code = "I \$♥ PHP"; if ( mb_strpos( $code, $bad_char) ) { trigger_error( $error_msg ); }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Notice: Illegal: ♥ in /in/epp66 on line 7
preferences:
280.2 ms | 406 KiB | 422 Q