September 2001
Intermediate to advanced
768 pages
32h 45m
English
Content preview from PHP Functions Essential Reference
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bcpow
string bcpow(string left_operand, string right_operand, [int scale])
| left_operand | Number to be raised |
| right_operand | Number to raise by |
| scale | Number of decimal places to return |
Calculates the exponent of a number.
Returns:
Value of exponent
Description:
Raises the left operand to the power of the right operand. Either number can be an integer or floating-point value. Returns the result with a specified number of decimal places (optional).
Version:
Existing since version 3.0
Example:
Raise to the power of a large number
$num1 = "9912343.21";
$num2 = "2.35";
echo bcpow($num1,$num2);
Output:
98254543749649
|
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