Runtime Configuration
The behaviour of these functions is affected by settings in php.ini.
FFI Configure Options
Name |
Default |
Changeable |
Changelog |
ffi.enable |
"preload" |
INI_SYSTEM |
|
ffi.preload |
"" |
INI_SYSTEM |
|
For further details and definitions of the
INI_* modes, see the
Where a configuration setting may be set.
Here's a short explanation of
the configuration directives.
-
ffi.enable
string
-
Allows enabling ("true"
) or disabling
("false"
) FFI API usage, or restricting it only to
the CLI SAPI and preloaded files ("preload"
).
The FFI API restrictions only affect the FFI class,
but not overloaded functions of FFI\CData objects.
This means that it is possible to create some FFI\CData
objects in preloaded files, and then to use these directly in PHP scripts.
-
ffi.preload
string
-
Allows preloading of FFI bindings during startup, which is not possible with FFI::load
if opcache.preload_user is set.
This directive accepts a DIRECTORY_SEPARATOR
delimited list of filenames.
The preloaded bindings can be accessed by calling FFI::scope.