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<?php $testArray = array( array( "id" => "id 1", "value1" => "Something", "anotherValue" => "Else" ), array( "id" => "id 2", "value1" => "Something", "anotherValue" => "Else" ), array( "id" => "id 3", "value1" => "Something", "anotherValue" => "Else" ), array( "id" => "id 4", "value1" => "Something", "anotherValue" => "Else" ), array( "id" => "id 5", "value1" => "Something", "anotherValue" => "Else" ), array( "id" => "id 6", "value1" => "Something", "anotherValue" => "Else" ) ); //$instagram2 = array_map(function($a){return array($a['id']=> $a);}, $testArray); //$i3 = array_map(function($a){return $a;}, $instagram2); foreach($testArray as $item) { $i3[$item['id']] = $item; } print_r($i3);
Output for 4.3.0 - 7.1.0
Array ( [id 1] => Array ( [id] => id 1 [value1] => Something [anotherValue] => Else ) [id 2] => Array ( [id] => id 2 [value1] => Something [anotherValue] => Else ) [id 3] => Array ( [id] => id 3 [value1] => Something [anotherValue] => Else ) [id 4] => Array ( [id] => id 4 [value1] => Something [anotherValue] => Else ) [id 5] => Array ( [id] => id 5 [value1] => Something [anotherValue] => Else ) [id 6] => Array ( [id] => id 6 [value1] => Something [anotherValue] => Else ) )