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<?php function doh($func) { $func($func); } doh("do⁣h"); //call_user_func('doh', 'doh');
based on dfsr0
Output for 7.0.0 - 7.3.0beta1
Fatal error: Uncaught Error: Call to undefined function do⁣h() in /in/Cqood:4 Stack trace: #0 /in/Cqood(7): doh('do\xE2\x81\xA3h') #1 {main} thrown in /in/Cqood on line 4
Process exited with code 255.
Output for 5.6.0 - 5.6.27
Fatal error: Call to undefined function do⁣h() in /in/Cqood on line 4
Process exited with code 255.