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@ 2015-09-24T11:57:37Z

<?php

$width = 9;

foreach (range(1, $width) as $i) {
    printf("%{$width}s\n", join(array_reverce(range(1, $i))));
}

Output
Performance
VLD
References
Branches

range: documentation ( source)
join: documentation ( source)
printf: documentation ( source)

preferences:dark modelive preview

55.35 ms | 402 KiB | 5 Q