Returns TRUE
if a is a perfect square,
FALSE
otherwise.
<?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().