Long integer is transformed when inserted in shorter column, not truncated. Why? What is the formula?

Question

I have a column of type integer with length 10:

`some_number` int(10) unsigned NOT NULL

Into this column I insert a number tha

Answer 1

Well as far as i know, it doesn't have anything to do with PHP, bcx.

• If PHP encounters a number beyond the bounds of the integer type, it will be interpreted as a float instead.
• Also, an operation which results in a number beyond the bounds of the integer type will return a float instead.

So it will be the functionality of SQL which changes the value.