3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(array()); $arr = array(0 => "a", 1 => "b" ); $a[0] = $arr; echo($a[0]); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Array to string conversion in /in/oFVh3 on line 10 Array

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