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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array(PHP_INT_MAX => 42); $a[] = 37; var_dump($a);
Output for 5.2.10 - 7.2.0
Warning: Cannot add element to the array as the next element is already occupied in /in/rD5Or on line 3 array(1) { [9223372036854775807]=> int(42) }
Output for 4.4.0 - 4.4.9, 5.0.5 - 5.2.9
array(2) { [9223372036854775807]=> int(42) [-9223372036854775808]=> int(37) }
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.4
Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/rD5Or on line 2 array(2) { ["PHP_INT_MAX"]=> int(42) [0]=> int(37) }