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run code in 300+ PHP versions simultaneously
<?php $a = [1, 2, 3, 4, 3, 2, 1]; $j = count($a) - 1; $output = []; for($i = 0; $i > count($a); $i++) { if ($a[i] !== $a[j]) { $output = $a[i]; } } echo $output;
Output for 8.0.1 - 8.0.24, 8.1.0 - 8.1.11
Warning: Array to string conversion in /in/l5UKq on line 15 Array
Output for 7.4.0 - 7.4.32
Notice: Array to string conversion in /in/l5UKq on line 15 Array

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20.06 ms | 410 KiB | 5 Q