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php The pow function is used to return the yth power of x. Its syntax is pow(x,y). The parameter x is required and refers to a number; y is required and refers to a number. This function returns an integer if possible. If the exponentiation cannot be calculated, a warning will be issued and pow() will return false.
#How to use php pow function?
Definition and usage
pow() function returns x raised to the yth power.
Syntax
pow(x,y)
Parameters
x Required. A number.
y Required. A number.
Description
Returns the power of x raised to the power of y. This function returns an integer if possible.
If the power cannot be calculated, a warning will be issued and pow() will return false. Starting with PHP version 4.2.0, pow() does not generate any warnings.
Example
<?php echo pow(4,2); echo pow(6,2); echo pow(-6,2); echo pow(-6,-2); echo pow(-6,5.5); ?>
Output similar to:
16 36 36 0.0277777777778 -1.#IND
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