exp
(PHP 4, PHP 5, PHP 7)
exp — Calculates the exponent of e
Description
float exp ( float $arg ) Returns e raised to the power of arg.
Note: '
e' is the base of the natural system of logarithms, or approximately 2.718282.
Parameters
arg
The argument to process
Return Values
'e' raised to the power of arg
Examples
Example #1 exp() example
<?php
echo exp(12) . "\n";
echo exp(5.7);
?>The above example will output:
1.6275E+005
298.87See Also
- log() - Natural logarithm
- pow() - Exponential expression
← deg2rad
expm1 →
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