Php output page all variables

Sources of all variables on the php output page:

Php output page all variables

Print_r (get_defined_vars ());

This function returns a multidimensional array containing the list of all defined variables, including environment variables, server variables, and user-defined variables.

Obtain all defined functions

Get_defined_functions ()

Obtain all available modules

Get_loaded_extensions ()

Obtains available functions of a specified module.

Get_extension_funcs ()

This function returns all available functions of the specified module. The input parameter (module name) must be in lowercase.

Get all constants and their values in the name of the associated array? (PHP 4> = 4.1.0, PHP 5)

Get_defined_constants ()

Get_declared_classes(PHP 4, PHP 5 )? Obtains an array composed of the names of defined classes.

Get_declared_classes ()

Get_included_files () (or get_require_files)(PHP 4, PHP 5 )? Obtains an array composed of the names of defined classes.

Get_included_files ()