3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( array('value' => 1), array('value' => 2), array('value' => 3), ); $count = 0; foreach ($array as $key => $innerArray) { foreach ($innerArray as $innerKey => $value) { $count += $value; // and do something with $key and $innerKey } } echo $count;
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 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, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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
6
preferences:
206.56 ms | 406 KiB | 363 Q