FFI::load
(PHP 7 >= 7.4.0, PHP 8)
FFI::load — Loads C declarations from a C header file
Description
Loads C declarations from a C header file. It is possible to specify shared libraries that should be loaded,
using special FFI_LIB defines in the loaded C header file.
Parameters
-
filename -
The name of a C header file.
C preprocessor directives are not supported, i.e.
#include,#defineand CPP macros do not work, except for special cases listed below.The header file should contain a
#definestatement for theFFI_SCOPEvariable, e.g.:#define FFI_SCOPE "MYLIB". Refer to the class introduction for details.The header file may contain a
#definestatement for theFFI_LIBvariable to specify the library it exposes. If it is a system library only the file name is required, e.g.:#define FFI_LIB "libc.so.6". If it is a custom library, a relative path is required, e.g.:#define FFI_LIB "./mylib.so".
Return Values
Returns the freshly created FFI object, or null on failure.
