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<?php var_dump(34.99 - 10);
based on Lf2ZU
Output for 8.0.0 - 8.0.3
float(24.990000000000002)
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.26, 7.4.0 - 7.4.13
float(24.99)