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

uopz_overload

(PECL uopz 1, PECL uopz 2)

uopz_overload — Overload a VM opcode

Warning

This function has been REMOVED in PECL uopz 5.0.0.

Description

function uopz_overload(int $opcode, Callable $callable): void

Overloads the specified opcode with the user defined function

Parameters

opcode

A valid opcode, see constants for details of supported codes

callable

Return Values

Examples

Example #1 uopz_overload() example

<?php
uopz_overload(ZEND_EXIT, function(){});

exit();
echo "Hello World";
?>

The above example will output:

Hello World

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