imageavif

Output image to browser or file.

imageavif Function synopsis

imageavif(
    GdImage $image,
    $file = null,
    int $quality = -1,
    int $speed = -1
  ): bool

Parameters

$image

TypeGdImage

$file

OptionalDefault valuenull

The path or an open stream resource (which is automatically closed after this function returns) to save the file to. If not set or null, the raw image stream will be output directly.

$quality

OptionalTypeintDefault value-1

$quality is optional, and ranges from 0 (worst quality, smaller file) to 100 (best quality, larger file). If -1 is provided, the default value 52 is used.

$speed

OptionalTypeintDefault value-1

$speed is optional, and ranges from 0 (slow, smaller file) to 10 (fast, larger file). If -1 is provided, the default value 6 is used.

Return value

Typebool

Returns true on success, false on failure