🐘 PHP Functions
Functions are reusable blocks of code you can call anytime in your PHP scripts. They help you organize, repeat, and manage your code.
📝 Example: Simple Function
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📖 Key Function Rules
- Functions are defined with the
function keyword.
- Function names should start with a letter or underscore (no numbers first).
- You can pass data into functions using parameters inside parentheses
().
- Functions can
echo output or return values back to where they’re called.
- Call a function by writing its name followed by
().
💡 Tip: You can define functions at the top of your PHP file and call them anywhere below — keeps your code neat and DRY (Don't Repeat Yourself).