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uopz_undefine

(PECL uopz >= 1.0.0)
Undefine a constant
void uopz_undefine ( string $class, string $constant )
void uopz_undefine ( string $constant )

Removes the constant at runtime

Parameters:
class

The name of the class containing constant

constant

The name of an existing constant

Returns:
Examples:
uopz_undefine() example
<?php
define("MY", true);

uopz_undefine("MY");

var_dump(defined("MY"));
?>

The above example will output something similar to:

bool(false)
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2016-02-24 15:54:09
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