runkit7_constant_remove

(PECL runkit7 >= Unknown)

runkit7_constant_remove — Remove/Delete an already defined constant

runkit7_constant_remove(string $constant_name): bool

constant_name: Name of the constant to remove. Either the name of a global constant, or classname::constname indicating a class constant.

Cette fonction retourne true en cas de succès ou false si une erreur survient.

define() - Définit une constante
runkit7_constant_add() - Similar to define(), but allows defining in class definitions as well
runkit7_constant_redefine() - Redefine an already defined constant

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