imagefilter()

imagefilter()

function imagefilter(mixed $image, int $filter, int $arg1 = 0, int $arg2 = 0, int $arg3 = 0, int $arg4 = 0): bool

Implemented by the compiler-injected image prelude.

Parameters:

• $image (mixed)
• $filter (int)
• $arg1 (int), default 0, optional
• $arg2 (int), default 0, optional
• $arg3 (int), default 0, optional
• $arg4 (int), default 0, optional

Returns: bool

Availability

• Compiled (AOT): supported through the compiler-injected image prelude.
• eval() (magician interpreter): not available inside eval’d code.

No examples yet — check examples/ and showcases/ for usage patterns.

Internals

For how imagefilter is implemented in the compiler, see the internals page.