What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Superglobal vs Undefined - What's the difference?

superglobal | undefined |

As a noun superglobal

is (computing|programming|in the php programming language) any of a set of special predefined variables that can be accessed at any point in a program without the need to be explicitly declared as global.

As an adjective undefined is

lacking a definition or value.

superglobal

English

Noun

(en noun)
  • (computing, programming, in the PHP programming language) Any of a set of special predefined variables that can be accessed at any point in a program without the need to be explicitly declared as global.

    • undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined