<?php function flatten(array $nestedArraysAndStrings){ $flat=[]; $iter = new RecursiveIteratorIterator( new RecursiveArrayIterator($nestedArraysAndStrings)); foreach($iter as $leaf){ $flat[] = $leaf; } return join(NULL, $flat); } $noRefs = [[[['some']]],[' nested ']," items n"]; $withRefs = []+$noRefs; $wat = $noRefs[0]; $withRefs[0] = &$wat; echo flatten($noRefs); echo flatten($withRefs);
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Value for `_results` contains invalid data `array`