How do i round up the value up to 2 decimals in PHP

iam doing division of these two columns $row['col1']/$row['col2'] iam getting value as 0.0042553191489362

开发者_StackOverflowHow do i round up the value so that i can get as 0.42%

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You can use the round built in function:

$myFloat = $row['col1']/$row['col2'];
$result = round($myFloat, 2);