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The exponential function in php is exp(). The function of this function is to calculate the exponent of e. Its usage syntax is such as "exp(x)". The parameter x represents a number, and the return value is the x times of e. square value.
The operating environment of this article: Windows 7 system, PHP version 7.1, Dell G3 computer.
What is the usage of exponential function in PHP?
PHP exp() function
Definition and usage
exp() function calculates the exponent of e.
Syntax
exp(x)
Parameters
x Required. A number.
Description
Returns the value of e raised to the power of x. .
Tips and Notes
Tip: Use 'e' as the base of the natural logarithm 2.718282.
Example
In this example, we will apply the exp() function to different numbers:
Output:
2.718281828459045 0.36787944117144233 148.4131591025766 22026.465794806718
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