(PHP 4 >= 4.0.4, PHP 5)
Returns TRUE if a is a perfect square, FALSE otherwise.
a
Пример 1. gmp_perfect_square() example
<?php // 3 * 3, perfect square var_dump(gmp_perfect_square("9")); // not a perfect square var_dump(gmp_perfect_square("7")); // 1234567890 * 1234567890, perfect square var_dump(gmp_perfect_square("1524157875019052100")); ?>
The printout of the above program will be:
bool(true) bool(false) bool(true)
See also: gmp_sqrt(), gmp_sqrtrem().
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User Contributed Notes
gmp_or