Which PHP function returns the square root of a number?
- sqrt()
- pow()
- rand()
- floor()
The sqrt() function in PHP returns the square root of a number. It accepts a single argument, the number for which you want to calculate the square root, and returns the square root as a float. This function is useful when you need to find the square root of a number in mathematical calculations. Learn more: https://www.php.net/manual/en/function.sqrt.php
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