3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array(2,5,7,1); $array2 = array(1,3,2,5); foreach ($array1 as $i => &$v) { $v += $array2[$i]; } var_export($array1);
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
array ( 0 => 3, 1 => 8, 2 => 9, 3 => 6, )

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