FFI
PHP Manual

FFI::string

Creates a PHP string from a memory area

Description

public static string FFI::string(FFI\CData &$ptr, intnull $size = null)

Creates a PHP string from size bytes of the memory area pointed to by ptr.

Parameters

ptr
The start of the memory area from which to create a string.
size
The number of bytes to copy to the string. If size is omitted or null, ptr must be a zero terminated array of C char.

Return Values

The freshly created PHP string.

Changelog

Version Description
8.0.0 size is nullable now; previously, its default was 0.