Why Does Adding Strings Produce Concatenation, and How Can I Add Them as Numbers Instead?

Handling Concatenation Confusion: Adding Strings as Numbers

When attempting to add strings containing numeric characters, it's common to encounter concatenation, resulting in unexpected outcomes. To resolve this issue, it's necessary to convert the strings to numerical values before performing addition.

Solution:

To force the strings to be treated as numbers, use the unary plus operator ( ). This operator converts the strings to numerical values, allowing for addition as intended:

The above is the detailed content of Why Does Adding Strings Produce Concatenation, and How Can I Add Them as Numbers Instead?. For more information, please follow other related articles on the PHP Chinese website!