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run code in 300+ PHP versions simultaneously
<?php function A () { return $REQUEST_URI; } print 'Direct: ' . $REQUEST_URI . "\n"; print 'Indirect: ' . A() . "\n";
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 $REQUEST_URI in /in/QjbM8 on line 5 Direct: Warning: Undefined variable $REQUEST_URI in /in/QjbM8 on line 3 Indirect:
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: REQUEST_URI in /in/QjbM8 on line 5 Direct: Notice: Undefined variable: REQUEST_URI in /in/QjbM8 on line 3 Indirect:
Output for 7.3.32 - 7.3.33
Direct: Indirect:
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: REQUEST_URI in /in/QjbM8 on line 5 Direct: Notice: Undefined variable: REQUEST_URI in /in/QjbM8 on line 3 Indirect:

preferences:
276.64 ms | 402 KiB | 460 Q