Question

How to calculate exponent (base raised to the power of exp) (power function) in PHP

Answer 1

/*
number pow ( number $base , number $exp )
*/

echo pow(2, 2) . "<br />";
echo pow(2, 3) . "<br />";
echo pow(3, 2) . "<br />";
    
/*
run:

4
8
9

*/

 

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Answer 2

/*
number pow ( number $base , number $exp )
*/

echo pow(-1, 100) . "<br />";
echo pow(0, 0) . "<br />";
    
/*
run:

1
1

*/

 

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