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<?php $items = [ 'total' => '5', '_embedded' => [ 'articles' => function() { yield "Article 1"; } ], 'more' => [ 'nested' => [ 'news' => function() { yield "Article 2"; } ], ], ]; $generators = []; $count = 0; array_walk_recursive($items, function (&$item, $key) use (&$count, &$generators) { if (is_callable($item)) { $placeholder = '__placeholder_' . $count . '__'; $generators[$placeholder] = $item; $item = $placeholder; ++$count; } }); var_dump($items); var_dump($generators);
Output for git.master_jit, git.master, rfc.property-hooks
array(3) { ["total"]=> string(1) "5" ["_embedded"]=> array(1) { ["articles"]=> string(17) "__placeholder_0__" } ["more"]=> array(1) { ["nested"]=> array(1) { ["news"]=> string(17) "__placeholder_1__" } } } array(2) { ["__placeholder_0__"]=> object(Closure)#1 (0) { } ["__placeholder_1__"]=> object(Closure)#2 (0) { } }

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