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<?php if (sqrt(7) == floor(sqrt(7))) echo "7 is a perfect square"; if (sqrt(9) == floor(sqrt(9))) echo "9 is a perfect square";
Output for 5.6.38 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
9 is a perfect square
preferences:
142.81 ms | 408 KiB | 5 Q