W3cubDocs

/PHP

runkit7_constant_remove

(PECL runkit7 >= Unknown)

runkit7_constant_remove — Remove/Delete an already defined constant

Description

runkit7_constant_remove ( string $constname ) : bool

Parameters

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

Return Values

Returns true on success or false on failure.

See Also

define() - Defines a named constant
runkit7_constant_add() - Similar to define(), but allows defining in class definitions as well
runkit7_constant_redefine() - Redefine an already defined constant

© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.runkit7-constant-remove.php