3v4l.org

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

preferences:
57.32 ms | 402 KiB | 5 Q