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run code in 300+ PHP versions simultaneously
<?php $data_array = array('root1' => array(1,2,3), 'root2' => array(3,4,5)); $out = ''; $count = count($data_array); $iter = 0; foreach ($data_array as $key => $value) { $iter++; $out.= $key.'=>['; $count = count($value); foreach ($value as $val) { $out.=$val.','; } $out = rtrim($out, ",<br />,"); $out.= ']'; if ($iter < ($count-1)) { $out.=',<br />'; } } echo $out;

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34.99 ms | 402 KiB | 5 Q