PHP exp() Function
Definition and Usage
The exp() function calculates the exponent of e.
Syntax
exp(x)
| Parameter | Description |
|---|---|
| x | Required. A number. |
Description
Returns e's x The power value...
Tips and Comments
Tip:Use 'e' as the base of the natural logarithm 2.718282.
Example
In this example, we will apply the exp() function to different numbers:
<?php echo(exp(1)); echo(exp(-1)); echo(exp(5)); echo(exp(10)) ?>
Output:
2.718281828459045 0.36787944117144233 148.4131591025766 22026.465794806718
