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PHP Quiz PHP CertificatePHP abs() Function
Complete PHP Math Reference
Definition and Usage
The abs() function returns the absolute value of a number.
Syntax
abs(x)
| Parameter | Description |
|---|---|
| x | Required. A number. If the number is of type float, the return type is also float, otherwise it is integer |
Example
<?php
echo(abs(6.7) . "<br />");
echo(abs(-3) . "<br />");
echo(abs(3));
?>
echo(abs(6.7) . "<br />");
echo(abs(-3) . "<br />");
echo(abs(3));
?>
The output of the code above will be:
6.7
3
3
3
3
Complete PHP Math Reference
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