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<?php $value = "8,29"; $value = str_replace(",", ".", $value); var_dump($value); var_dump(floatval($value), (floatval($value) * 100)); $foo = intval(floatval($value) * 100); var_dump($foo);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
string(4) "8.29" float(8.29) float(828.9999999999999) int(828)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
string(4) "8.29" float(8.29) float(829) int(828)

preferences:
286.72 ms | 405 KiB | 425 Q