What is the usage method of the php pow function?

The pow function in PHP is used to calculate the power of a number to a specified exponent. Its syntax is as follows:

pow(base, exp)

The base represents the number being raised to a power, while the exp represents the exponent. The function will return the value of base raised to the power of exp.

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echo pow(2, 3); // 输出8，即2的3次方
echo pow(5, 2); // 输出25，即5的2次方