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<?php var_dump(exp(2) === M_E ** 2); var_dump(exp(2) - M_E ** 2); var_dump(exp(2) - pow(M_E, 2)); var_dump(M_E ** 2 - pow(M_E, 2));
Output for 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.6
bool(false) float(8.881784197001252E-16) float(8.881784197001252E-16) float(0)
preferences:
49.36 ms | 712 KiB | 4 Q