(PHP 3, PHP 4 , PHP 5)
Returns e raised to the power of arg.
Note: 'e' is the base of the natural system of logarithms, or approximately 2.718282.
Example 1. exp() example
<?php echo exp(12) . "\n"; echo exp(5.7); ?>
The above example will output:
1.6275E+005 298.87
See also log() and pow().
