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++){ $a[]=array("thisIsVeryBigKeyName0"=>0,"thisIsVeryBigKeyName1"=>1); } foreach ($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, 5.6.7 - 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
preferences:
220.28 ms | 406 KiB | 313 Q