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<?php $data = ["test1", "test2"]; $tree = array( 10 => array(), 11 => array( 4 => array(), 5 => array(), 6 => array() ) ); $path = array(11,5); function setByIndices(&$tree, $path, $data, $indices = []) { foreach ($tree as $k => &$v) { $indices[] = $k; if ($indices === $path) { $v = $data; return; } if (is_array($v)) setByIndices($v, $path, $data, $indices); array_pop($indices); } } setByIndices($tree, $path, $data); print_r($tree);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [10] => Array ( ) [11] => Array ( [4] => Array ( ) [5] => Array ( [0] => test1 [1] => test2 ) [6] => Array ( ) ) )

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