3v4l.org

run code in 300+ PHP versions simultaneously
<?php $rows = [['size' => 'XL,L,XXL'], ['size' => 'XL'], ['size' => 'M,L,XL'], ['size' => 'L,XL,M']]; // while ($srow = $result->fetch_assoc()) { foreach ($rows as $srow) { $sizes[] = $srow['size']; // do other stuff with fetched data // ... } $sizes = array_unique(array_map('trim', explode(',', implode(',', $sizes)))); sort($sizes); $string = implode(',', $sizes); echo $string;

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59.34 ms | 402 KiB | 5 Q