PHP Manual
FFI
Creates a PHP string from a memory area

FFI::string

(PHP 7 >= 7.4.0)

FFI::string — Creates a PHP string from a memory area

说明

public static FFI::string ( FFI\CData &$ptr [, int $size ] ) : string

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

参数

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, ptr must be a zero terminated array of C chars.

返回值

The freshly created PHP string.

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