(PECL uopz 1, PECL uopz 2, PECL uopz 5, PECL uopz 6)
uopz_redefine — Redefine a constant
uopz_redefine ( string $constant , mixed $value ) : bool
uopz_redefine ( string $class , string $constant , mixed $value ) : bool
Redefines the given constant as value
class
The name of the class containing the constant
constant
The name of the constant
value
The new value for the constant, must be a valid type for a constant variable
Returns true on success or false on failure.
Example #1 uopz_redefine() example
<?php
define("MY", 100);
uopz_redefine("MY", 1000);
echo MY;
?> The above example will output:
1000
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https://www.php.net/manual/en/function.uopz-redefine.php