3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set('hhvm.enable_zend_sorting', 0); define("thisIsVeryBigKeyName0",0); define("thisIsVeryBigKeyName1",1); $a=array(); for ($n=0;$n<100000;$n++){ $a[]=array(thisIsVeryBigKeyName0=>0,thisIsVeryBigKeyName1=>1); } for ($n=0;$n<2;$n++){ foreach ($a as $a2){ $test=$a2[thisIsVeryBigKeyName0].$a2[thisIsVeryBigKeyName1]; } }
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, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.1, 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Output for 8.1.2 - 8.1.27
Fatal error: Out of memory (allocated 29364224) (tried to allocate 4194312 bytes) in /in/vDGUv on line 7 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.

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174.07 ms | 402 KiB | 312 Q