International PHP Conference Berlin 2025

uopz_redefine

(PECL uopz 1, PECL uopz 2, PECL uopz 5, PECL uopz 6, PECL uopz 7)

uopz_redefineRedefine a constant

Description

uopz_redefine(string $constant, mixed $value): bool
uopz_redefine(string $class, string $constant, mixed $value): bool

Redefines the given constant as value

Parameters

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

Return Values

Returns true on success or false on failure.

Examples

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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