<?php $number = 1346.21; var_dump('-1', round(1346.21, -1)); var_dump(round(1346.21, -1)); var_dump(round(1346.21, -2)); var_dump(round(1346.21, -3)); var_dump(round(1346.21, -4)); var_dump(round(1346.21, -100));
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