PHP: What are language constructs and why do we need them?

Question

I keep coming across statements like:

• \"echo is a language construct but print is a function and hence has a return value\"
• \"die is a language constr

Answer 1

To understand the answer for this question you must understand how parsers work. A language is defined by syntax and the syntax is defined through keywords.

The language constructs are pieces of code that make the base of PHP language. The parser deals with them directly instead of functions.