Overview
KB
Technical FAQ
PHP Manual
CSS2 Manual
HTML Manual
JS Guide
JS Reference
PhpDock Manual
Nu-Coder Manual
PhpExpress Manual
PHP Joomla
Development
Learn PHP
 
<FFIFFI::alignof>
^FFILast updated: Mon, 26 Oct 2026

FFI::addr

(PHP 7 >= 7.4.0, PHP 8)

FFI::addr — Creates an unmanaged pointer to C data

Description

public static function FFI::addr(FFI\CData &$ptr): FFI\CData

Creates an unmanaged pointer to the C data represented by the given FFI\CData. The source ptr must survive the resulting pointer. This function is mainly useful to pass arguments to C functions by pointer.

Parameters

ptr

The handle of the pointer to a C data structure.

Return Values

Returns the freshly created FFI\CData object.


<FFIFFI::alignof>
^FFILast updated: Mon, 26 Oct 2026