PHP Manual: Rename a function at runtime

Description

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

void uopz_rename ( string $function , string $rename )

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 something similar to:

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 something similar to: