Why are My Large Integer Values Truncated in MySQL When Inserted from PHP?

MySQL Integer Insertion Issue

When attempting to insert an integer value into a MySQL database using PHP, you may encounter an unexpected behavior where the inserted value differs from the one stored in your variable. This issue can arise when the integer value exceeds the maximum limit for MySQL's integer data type.

In MySQL, the default integer data type (INT) has a maximum value of 2147483647. If you attempt to insert a value greater than this limit, MySQL will automatically truncate the value and insert 2147483647 into the database.

To resolve this issue, you can change the data type of the column in your database to BIGINT. BIGINT is a 64-bit integer data type that can accommodate larger values, including numbers that exceed MySQL's default integer limit.

To modify the data type of a column in MySQL, you can use the following SQL command:

ALTER TABLE table_name MODIFY column_name BIGINT;

After changing the data type, you can insert the integer value using the same code snippet as before. The value should now be inserted correctly into the database.

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