expain php output

[kentrome]

Can anyone explain the below output in PHP?\[code\]$num1 = (1.65 - 1.00);echo "<br><br>num1 = " . $num1; // Output: int = 0.65$num_int1 = $num1 * 100;echo "<br><br>int = " . $num_int1; // Output: int = 65$num_int2 = (int) $num_int1;echo "<br><br>int = " . $num_int2; // Output: int = 64\[/code\]Why $num_int2 is 64?Thanks for help.Regards