exp
exp
(PHP 4, PHP 5, PHP 7)
e
xp — Calculate
s the
e
xpone
nt of e
Description
float exp ( float $arg )
Re
turns e
raise
d to the
powe
r of arg
.
Note
: 'e
' is the
base
of the
natural syste
m of logarithms, or approximate
ly 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
298.87
See Also
- log() - Natural logarithm
- pow() - Exponential expression
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