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FFI::cdef	FFI::isNull

FFI	Last updated: Mon, 26 Oct 2026

FFI::free

(PHP 7 >= 7.4.0, PHP 8)

FFI::free — Releases an unmanaged data structure

Description

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

Manually releases a previously created unmanaged data structure.

Parameters

ptr: The handle of the unmanaged pointer to a C data structure.

Return Values

No value is returned.

FFI::cdef	FFI::isNull

FFI	Last updated: Mon, 26 Oct 2026