(PHP 4, PHP 5, PHP 7, PHP 8)
exp — Calculates the exponent of e
$num
): float
Returns e
raised to the power of num
.
Note:
'
e
' is the base of the natural system of logarithms, or approximately 2.718282.
num
The argument to process
'e' raised to the power of num
Example #1 exp() example
<?phpecho exp(12) . "\n";echo exp(5.7);?>
The above example will output:
1.6275E+005 298.87