Php defined function
- Php user defined functions
- Php get_defined_functions
- Php if defined function
- Php check function defined
- Php if not defined function
- Php check if defined function
- Php user defined functions with parameters
- Php predefined functions
- Php list defined functions
- Php defined variables function
- Php user defined functions definition
- Php script defined function
- Php create user defined function
- Php call user defined functions
- Php call function defined