<?php var_dump(4.1 - 2.1); var_dump(2.0); var_dump(2.0 === 4.1 - 2.1); var_dump(2.0 == 4.1 - 2.1); var_dump((float) 2.0 == 4.1 - 2.1); var_dump((float) 2 == 4.1 - 2.1);
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