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<uopz_redefineuopz_restore>
^Uopz FunctionsLast updated: Mon, 26 Oct 2026

uopz_rename

(PECL uopz 1, PECL uopz 2)

uopz_rename — Rename a function at runtime

Warning

This function has been REMOVED in PECL uopz 5.0.0.

Description

function uopz_rename(string $function, string $rename): void
function uopz_rename(string $class, string $function, string $rename): void

Renames function to rename

Note:

If both functions exist, this effectively swaps their names

Parameters

class

The name of the class containing the function

function

The name of an existing function

rename

The new name for the function

Return Values

Examples

Example #1 uopz_rename() example

<?php
uopz_rename("strlen", "original_strlen");

echo original_strlen("Hello World");
?>

The above example will output:

11

Example #2 uopz_rename() class example

<?php
class My {
    public function strlen($arg) {
        return strlen($arg);
    }
}

uopz_rename(My::class, "strlen", "original_strlen");

echo My::original_strlen("Hello World");
?>

The above example will output:

11

<uopz_redefineuopz_restore>
^Uopz FunctionsLast updated: Mon, 26 Oct 2026