developer-roadmap/roadmaps/php/content/function-declaration@1nODJchgSuWbcvSlxnWeE.md

Function Declaration

A function is declared using the function keyword, followed by the function name, parentheses for parameters, and a code block. Function names are case-insensitive in PHP. Functions can be defined anywhere in a file and are available throughout the script scope once declared.

Visit the following resources to learn more:

• @official@User Defined Functions