image_save_progressive │ filter-hook │ WP 6.5.0

Filters whether to output progressive images (if available).

Usage

add_filter( 'image_save_progressive', 'wp_kama_image_save_progressive_filter', 10, 2 );

/**
 * Function for `image_save_progressive` filter-hook.
 * 
 * @param bool   $interlace Whether to use progressive images for output if available.
 * @param string $mime_type The mime type being saved.
 *
 * @return bool
 */
function wp_kama_image_save_progressive_filter( $interlace, $mime_type ){

	// filter...
	return $interlace;
}

$interlace(true|false)

Whether to use progressive images for output if available.
Default: false

$mime_type(string)

The mime type being saved.

Changelog

Where the hook is called

imageinterlace( $image, apply_filters( 'image_save_progressive', false, $mime_type ) );

if ( apply_filters( 'image_save_progressive', false, $mime_type ) ) {

Where the hook is used in WordPress