wp_editor_set_quality хук-фильтр . WP 3.5.0

Filters the default image compression quality setting.

Applies only during initial editor instantiation, or when set_quality() is run manually without the $quality argument.

set_quality() has priority over the filter.

Использование

add_filter( 'wp_editor_set_quality', 'filter_function_name_725', 10, 2 );
function filter_function_name_725( $quality, $mime_type ){
	// filter...

	return $quality;
}

$quality(число)

Quality level between 1 (low) and 100 (high).

$mime_type(строка)

Image mime type.

Где вызывается хук

$quality = apply_filters( 'wp_editor_set_quality', $this->default_quality, $this->mime_type );

Где используется хук (в ядре WP)