<?php $str = "[1,1x,1x,1x][2,2x,2x,2x]"; $arr =""; preg_replace_callback('/\[(.*?)\]/', function($m) use (&$arr){ $arr[] = explode(',',preg_replace('/([\w]+)/', "[$1]", $m[1])); }, $str); print_r($arr); var_dump($arr);
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