PHP Unset Array value effect on other indexes

The keys are not shuffled or renumbered. The unset() key is simply removed and the others remain.

$a = array(1,2,3,4,5);unset($a[2]);print_r($a);Array(    [0] => 1    [1] => 2    [3] => 4    [4] => 5)

php arrays unset

Test it yourself, but here's the output.

php -r '$a=array("a","b","c"); print_r($a); unset($a[1]); print_r($a);'Array(    [0] => a    [1] => b    [2] => c)Array(    [0] => a    [2] => c)

php arrays unset

They are as they were. That one key is JUST DELETED

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