get_defined_constants

(PHP 4 = 4.1.0)

get_defined_constants -- Returns an associative array with the names of all the constants and their values

Description

array get_defined_constants ( void)

This function returns the names and values of all the constants currently defined. This includes those created by extensions as well as those created with the define() function.

print_r (get_defined_constants());
will print a list like:
Array
(
    [E_ERROR] =  1
    [E_WARNING] =  2
    [E_PARSE] =  4
    [E_NOTICE] =  8
    [E_CORE_ERROR] =  16
    [E_CORE_WARNING] =  32
    [E_COMPILE_ERROR] =  64
    [E_COMPILE_WARNING] =  128
    [E_USER_ERROR] =  256
    [E_USER_WARNING] =  512
    [E_USER_NOTICE] =  1024
    [E_ALL] =  2047
    [TRUE] =  1
)


See also get_loaded_extensions(), get_defined_functions() and get_defined_vars().