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<?php $structure = [ "a", "b" => [ "b1", "b2" => [ "b21", "b22" ] ] ]; $data = ['A', 'B1', 'B21', 'B22']; $filled = 0; array_walk_recursive ($structure, function (&$val) { global $filled; global $data; $val = array( $val => $data[ $filled ] ); $filled++; }); print_r( $structure );
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Array ( [a] => A ) [b] => Array ( [0] => Array ( [b1] => B1 ) [b2] => Array ( [0] => Array ( [b21] => B21 ) [1] => Array ( [b22] => B22 ) ) ) )

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