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run code in 300+ PHP versions simultaneously
<?php $str = "[[1500000000,2823.43,2848,2827.86,2847.68,526.4426911499979]]"; $str2 = substr($str,1,-1); $arr = []; preg_replace_callback('/\[(.*?)\]/', function($m) use (&$arr){ $arr[] = explode(',',preg_replace('/([\w]+)/', "$1", $m[1])); }, $str2); print_r($arr);

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49.87 ms | 402 KiB | 5 Q