3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array("1"); //echo $a[5][3]; echo PHP_EOL; echo $a[5][3][24] = 23; echo PHP_EOL; var_dump($a);
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 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 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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
23 array(2) { [0]=> string(1) "1" [5]=> array(1) { [3]=> array(1) { [24]=> int(23) } } }
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/6Ia4q on line 4 PHP_EOL23 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/6Ia4q on line 6 PHP_EOLarray(2) { [0]=> string(1) "1" [5]=> array(1) { [3]=> array(1) { [24]=> int(23) } } }

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247.59 ms | 402 KiB | 355 Q