3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( array( "type" => "a", "value" => 1 ), array( "type" => "a", "value" => 2 ), array( "type" => "a", "value" => 3 ), array( "type" => "b", "value" => 1 ), array( "type" => "b", "value" => 2 ),array( "type" => "b", "value" => 4 ), array( "type" => "f", "value" => 2 ) ); foreach ($array as $element) $newArray[$element["type"]][] = $element["value"]; var_export($newArray);
Output for 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 - 7.2.34, 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 - 8.2.19, 8.3.0 - 8.3.7
array ( 'a' => array ( 0 => 1, 1 => 2, 2 => 3, ), 'b' => array ( 0 => 1, 1 => 2, 2 => 4, ), 'f' => array ( 0 => 2, ), )
preferences:
287.93 ms | 405 KiB | 417 Q