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exp
(PHP 3, PHP 4 , PHP 5) exp -- Calculates the exponent of e (the
Neperian or Natural logarithm base) Descriptionfloat 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.
Example 1. exp() example
<?php
echo exp(12) . "\n";
echo exp(5.7);
?>
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The above example will output: |
See also
log() and
pow().
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