3v4l.org

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<?php $tree = array ( array('id' => 1), array('id' => 2), array('id' => 3) ); foreach ($tree as $node) { $node['read'] = $node['id']; } //unset( $node ); foreach ($tree as $key => $node) { $tree[$key]['write'] = $node['id']; } print_r($tree);
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 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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
Array ( [0] => Array ( [id] => 1 [write] => 1 ) [1] => Array ( [id] => 2 [write] => 2 ) [2] => Array ( [id] => 3 [write] => 3 ) )
preferences:
290.28 ms | 406 KiB | 459 Q