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@ 2014-09-15T13:23:42Z

<?php

$images = range(1, 24);

foreach ($images as $i => $image) {
    if ($i % 6 === 0) {
        echo "-- row-open";
    }

    echo sprintf(" [ %d ] ", $image);

    if ($i % 6 === 0) {
        echo "-- row-close\n";
    }
}

Output
Performance
VLD
References
Branches

range: documentation ( source)
sprintf: documentation ( source)

preferences:dark modelive preview

47.57 ms | 402 KiB | 5 Q