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run code in 300+ PHP versions simultaneously
<?php $a = function($iteratie=0) { global $a; var_dump(self); }; echo $a();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "self" in /in/JeIjp:2 Stack trace: #0 /in/JeIjp(3): {closure}() #1 {main} thrown in /in/JeIjp on line 2
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant self - assumed 'self' (this will throw an Error in a future version of PHP) in /in/JeIjp on line 2 string(4) "self"
Output for 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 - 7.0.31, 7.1.0 - 7.1.33
Notice: Use of undefined constant self - assumed 'self' in /in/JeIjp on line 2 string(4) "self"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/JeIjp on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/JeIjp on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/JeIjp on line 2
Process exited with code 255.

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