3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arrs = array(); $arrs[] = array('something1', 2); $arrs[] = array('something3', 'something4'); $arrs[] = array(); $arrs[] = array('something1', 3.12); $list = array(); foreach($arrs as $key=>$arr) { if(is_array($arr)) { echo $key; echo " ,"; $list = array_merge($list, $arr); } else{ echo $key; echo " not array"; } } print_r($list);

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