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@ 2014-01-16T17:37:55Z

<?php

$float = 0.0000000038;
echo "$float\n";
$str = (string)$float;
echo "$str\n";

$n_dec = strlen(substr(strrch($str, '.'), 1));

echo "$n_dec\n";

echo number_format($float, $n_dec), "\n";

Output
Performance
VLD
References
Branches

substr: documentation ( source)
number_format: documentation ( source)

preferences:dark modelive preview

38.37 ms | 402 KiB | 5 Q