"; //58 echo (int)(0.58*100) . "
"; //57 echo (1234.11 * 100) . "
"; //123411 echo (int)(1234.11 * 100) . "
"; //123410 echo intval(1234.12 * 100) . "
"; //123411 echo floor(( 0.1 + 0.7 ) * 10) . "\n"; //返回 7 而不是8， echo (int)(( 0.1 + 0.7 ) * 10) . "\n"; //返回7而不是8. echo (int)round( 0.1 + 0.7 ) * 10); //8