Concatenation of strings in PHP

Dot sign used for strings does not mean that one the string is floating point number. Dot sign means that values of those strings are needed to be added, it means that these strings need to be concatenated.

What are some practical uses of string concatenation?

String concatenation is widely used in programming for tasks like:

Creating dynamic messages: Combining strings with variables to display personalized information.

Building file paths: Joining directory names and file names to access specific files.

Formatting output: Arranging text and data into desired layouts.

What are some common errors to avoid when concatenating strings?

Common errors include:

Forgetting to add spaces between concatenated strings, resulting in unintended word merging.

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