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@ 2013-12-09T13:01:23Z

<?php
$invoiceTotalVAT = (float)'3.454875616545152415121523';
$num = number_format((floor($invoiceTotalVAT*100)/100), 2, '.', '');

echo $num;

Output
Performance
VLD
References
Branches

floor: documentation ( source)
number_format: documentation ( source)

preferences:dark modelive preview

39.86 ms | 402 KiB | 5 Q