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run code in 300+ PHP versions simultaneously
<?php $records = array( array( 'id' => 2135, 'first_name' => 'John', 'last_name' => 'Doe', ), array( 'id' => 3245, 'first_name' => 'Sally', 'last_name' => 'Smith', ), array( 'id' => 5342, 'first_name' => 'Jane', 'last_name' => 'Jones', ), array( 'id' => 5623, 'first_name' => 'Peter', 'last_name' => 'Doe', ) ); echo "<pre>"; $arr_output = array(); foreach($records as $key=>$arr) { $arr_output['id'][] = $arr['id']; $arr_output['first_name'][] = $arr['first_name']; $arr_output['last_name'][] = $arr['last_name']; } print_r($arr_output);
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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
<pre>Array ( [id] => Array ( [0] => 2135 [1] => 3245 [2] => 5342 [3] => 5623 ) [first_name] => Array ( [0] => John [1] => Sally [2] => Jane [3] => Peter ) [last_name] => Array ( [0] => Doe [1] => Smith [2] => Jones [3] => Doe ) )

preferences:
106.05 ms | 2881 KiB | 4 Q