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<?php $source = array ( 'width_id' => array ( 0 => '8', 1 => '24' ), 'profile_id' => array ( 0 => '8', 1 => '13' ), 'diameter_id' => array ( 0 => '4', 1 => '13' ), 'speed_id' => array ( 0 => '6', 1 => '13' ), 'load_id' => array ( 0 => '12', 1 => '31' ) ); $result = []; array_walk($source, function($v,$k) use (&$result){ $result[0][$k] = $v[0]; $result[1][$k] = $v[1]; }); print_r($result);
Output for 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Array ( [0] => Array ( [width_id] => 8 [profile_id] => 8 [diameter_id] => 4 [speed_id] => 6 [load_id] => 12 ) [1] => Array ( [width_id] => 24 [profile_id] => 13 [diameter_id] => 13 [speed_id] => 13 [load_id] => 31 ) )

preferences:
243.9 ms | 404 KiB | 326 Q