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PHP Quiz PHP CertificatePHP round() Function
Complete PHP Math Reference
Definition and Usage
The round() function rounds a number to the nearest integer.
Syntax
round(x,prec)
| Parameter | Description |
|---|---|
| x | Required. The number to be round |
| prec | Optional. The number of digits after the decimal point |
Example
In this example we will round different numbers with the round() function:
<?php
echo(round(0.60) . "<br />");
echo(round(0.50) . "<br />");
echo(round(0.49) . "<br />");
echo(round(-4.40) . "<br />");
echo(round(-4.60))
?>
echo(round(0.60) . "<br />");
echo(round(0.50) . "<br />");
echo(round(0.49) . "<br />");
echo(round(-4.40) . "<br />");
echo(round(-4.60))
?>
The output of the code above will be:
1
1
0
-4
-5
1
0
-4
-5
Complete PHP Math Reference
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