imagesavealpha()

imagesavealpha()

function imagesavealpha(mixed $image, bool $enable): bool

Controls whether full alpha channel information is saved with the image.

Parameters:

• $image (mixed)
• $enable (bool)

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 imagesavealpha is implemented in the compiler, see the internals page.