PHP - gmp_​perfect_​square() Function

---

---

Definition and Usage

The gmp_​perfect_​square() function checks if the GMP number is a perfect square.

Description

The gmp_​perfect_​square() returns true if the GMP number is a perfect square and false if not.

Syntax

gmp_perfect_square ( GMP $a ) : bool

Parameters

Return Values

PHP gmp_perfect_square() function returns a boolean value true if the GMP number is perfect square and false if not.

PHP Version

This function will work from PHP Version greater than 5.0.0.

Example 1

Working of gmp_perfect_square() −

<?php
   $bflag = gmp_perfect_square('2685');
   if ($bflag) {
      echo "Perfect Square";
   } else {
      echo "Not a Perfect Square";
   }
?>

This will produce following result −

Not a Perfect Square

Example 2

Working of gmp_perfect_square() −

<?php
   $bflag = gmp_perfect_square('144');
   if ($bflag) {
      echo "Perfect Square";
   } else {
      echo "Not a Perfect Square";
   }
?>

This will produce following result −

Perfect Square