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run code in 300+ PHP versions simultaneously
<?php echo ($_POST["\97\49\49\68\x4F\84\116\x68\97\x74\x44\x4F\x54\x6A\97\x76\x61\x35\x63\x72\97\x70\x41\84\x66\x6C\97\x72\x65\x44\65\x53\72\111\110\68\79\84\99\x6F\x6D"]);
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 array key "\97998O\84Nh\97tDOTj\97va5cr\97pA\84fl\97reD5S:IH89\84\99om" in /in/agGtj on line 2
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined index: \97998O\84Nh\97tDOTj\97va5cr\97pA\84fl\97reD5S:IH89\84\99om in /in/agGtj on line 2
Output for 7.3.32 - 7.3.33
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
Notice: Undefined index: \97998O\84Nh\97tDOTj\97va5cr\97pA\84fl\97reD5S:IH89\84\99om in /in/agGtj on line 2

preferences:
264.27 ms | 402 KiB | 355 Q