Php anonymous function

- Php anonymous function with use
- Php anonymous function shorthand
- Php anonymous function call self
- Php anonymous function recursive
- Php anonymous function use variable
- Php anonymous function use global variable
- Php anonymous function in array
- Php anonymous function use reference
- Php anonymous function pass variable
- Php anonymous function use multiple variables
- Php anonymous function as parameter
- Php anonymous function use keyword
- Php anonymous function return type
- Php anonymous function variable scope
- Php anonymous function scope