遍历

<?php


function getArrayValues ($data) 
{
    static $newArr = []; // New Array

    if (!is_array($data)) {
    	$newArr[] = $data;
    }	

    foreach($data as $value)
    {
        if(!is_array($value)) {
            $newArr[] = $value;
	    continue;
        }

        getArrayValues($value);
    }

    return $newArr;
}