3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array('a', (PHP_INT_MAX-1) => 'b', 'a' => 'b','c'); //unset($a[4]); //unset($a[5]); ///$a[4] = 'clement'; //array_push($a, 'c'); var_dump($a);
based on f5vPh
Output for 4.4.0 - 4.4.9, 5.0.5 - 7.1.0
array(4) { [0]=> string(1) "a" [9223372036854775806]=> string(1) "b" ["a"]=> string(1) "b" [9223372036854775807]=> string(1) "c" }
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/3T5lg on line 2 array(4) { [0]=> string(1) "a" [-1]=> string(1) "b" ["a"]=> string(1) "b" [1]=> string(1) "c" }