3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s=1; echo pack("H*","6576616c286261736536345f6465636f64652824732e246529293b")+ "aaa";
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught TypeError: Unsupported operand types: string + string in /in/68Ku5:3 Stack trace: #0 {main} thrown in /in/68Ku5 on line 3
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: A non-numeric value encountered in /in/68Ku5 on line 3 Warning: A non-numeric value encountered in /in/68Ku5 on line 3 0
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
0

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