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<?php var_dump(floatval('100.00')); var_dump(floatval('85.50')); var_dump(floatval('71.33'));
Output for 5.6.30, hhvm-3.15.4 - 3.22.0, 7.0.0 - 7.3.0rc3
float(100) float(85.5) float(71.33)