image_save_pre │ filter-hook │ WP 2.9.0

Filters the GD image resource to be streamed to the browser.

Usage

add_filter( 'image_save_pre', 'wp_kama_image_save_pre_filter', 10, 3 );

/**
 * Function for `image_save_pre` filter-hook.
 * 
 * @param resource|GdImage $image         Image resource to be streamed.
 * @param int              $attachment_id The attachment post ID.
 * @param                  $string        
 *
 * @return resource|GdImage
 */
function wp_kama_image_save_pre_filter( $image, $attachment_id, $string ){

	// filter...
	return $image;
}

$image(resource|GdImage)

Image resource to be streamed.

$attachment_id(int)

The attachment post ID.

$string

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Changelog

Where the hook is called

$image = apply_filters_deprecated( 'image_save_pre', array( $image, $attachment_id ), '3.5.0', 'image_editor_save_pre' );

$image = apply_filters_deprecated( 'image_save_pre', array( $image, $post_id ), '3.5.0', 'image_editor_save_pre' );

Where the hook is used in WordPress