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run code in 300+ PHP versions simultaneously
<?php var_dump($HTTP_POST_VARS);
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
Warning: Undefined variable $HTTP_POST_VARS in /in/OdAcu on line 3 NULL
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.30, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: HTTP_POST_VARS in /in/OdAcu on line 3 NULL
Output for 5.4.0 - 5.4.45, 7.3.32 - 7.3.33, 7.4.26
NULL
Output for 5.3.0 - 5.3.29
array(0) { }

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