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<?php $array = [ 'key_one' => 1, 'key_two' => 2, 'nested_array' => [ 'key_three' => 3, 'key_four' => 4, ], ]; var_export( iterator_to_array( new RecursiveIteratorIterator(new RecursiveArrayIterator($array)) ) );
Output for 5.6.40, 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 - 8.5.6
array ( 'key_one' => 1, 'key_two' => 2, 'key_three' => 3, 'key_four' => 4, )
preferences:
63.96 ms | 992 KiB | 4 Q