PHP-manual | ||
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Föregående | Nästa |
Returns base raised to the power of exp. If possible, this function will return an integer.
If the power cannot be computed, a warning will be issued, and pow() will return FALSE. Since PHP 4.2.0 pow() doesn't issue any warning.
Not: PHP cannot handle negative bases.
Varning |
In PHP 4.0.6 and earlier pow() always returned a float, and did not issue warnings. |
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