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@ 2022-02-19T08:30:18Z

<?php

$number = 5;
for ($i = 1; $i <= $number; ++$i) {
    echo str_repeat('*', $i * .5 * ($i + 1))
         . str_repeat('0', $i - 1)
         . PHP_EOL;
}

Output
Performance
VLD
References
Branches

str_repeat: documentation ( source)

preferences:dark modelive previewkey bindings

25.24 ms | 404 KiB | 5 Q