ID );
$url = str_replace( wp_basename( $parent_url ), wp_basename( $cropped ), $parent_url );
$size = wp_getimagesize( $cropped );
$image_type = ( $size ) ? $size['mime'] : 'image/jpeg';
$attachment = array(
'ID' => $parent_attachment_id,
'post_title' => wp_basename( $cropped ),
'post_content' => $url,
'post_mime_type' => $image_type,
'guid' => $url,
'context' => 'site-icon',
);
return $attachment;
}
/**
* Inserts an attachment.
*
* @since 4.3.0
*
* @param array $attachment An array with attachment object data.
* @param string $file File path of the attached image.
* @return int Attachment ID.
*/
public function insert_attachment( $attachment, $file ) {
$attachment_id = wp_insert_attachment( $attachment, $file );
$metadata = wp_generate_attachment_metadata( $attachment_id, $file );
/**
* Filters the site icon attachment metadata.
*
* @since 4.3.0
*
* @see wp_generate_attachment_metadata()
*
* @param array $metadata Attachment metadata.
*/
$metadata = apply_filters( 'site_icon_attachment_metadata', $metadata );
wp_update_attachment_metadata( $attachment_id, $metadata );
return $attachment_id;
}
/**
* Adds additional sizes to be made when creating the site icon images.
*
* @since 4.3.0
*
* @param array[] $sizes Array of arrays containing information for additional sizes.
* @return array[] Array of arrays containing additional image sizes.
*/
public function additional_sizes( $sizes = array() ) {
$only_crop_sizes = array();
/**
* Filters the different dimensions that a site icon is saved in.
*
* @since 4.3.0
*
* @param int[] $site_icon_sizes Array of sizes available for the Site Icon.
*/
$this->site_icon_sizes = apply_filters( 'site_icon_image_sizes', $this->site_icon_sizes );
// Use a natural sort of numbers.
natsort( $this->site_icon_sizes );
$this->site_icon_sizes = array_reverse( $this->site_icon_sizes );
// Ensure that we only resize the image into sizes that allow cropping.
foreach ( $sizes as $name => $size_array ) {
if ( isset( $size_array['crop'] ) ) {
$only_crop_sizes[ $name ] = $size_array;
}
}
foreach ( $this->site_icon_sizes as $size ) {
if ( $size < $this->min_size ) {
$only_crop_sizes[ 'site_icon-' . $size ] = array(
'width ' => $size,
'height' => $size,
'crop' => true,
);
}
}
return $only_crop_sizes;
}
/**
* Adds Site Icon sizes to the array of image sizes on demand.
*
* @since 4.3.0
*
* @param string[] $sizes Array of image size names.
* @return string[] Array of image size names.
*/
public function intermediate_image_sizes( $sizes = array() ) {
/** This filter is documented in wp-admin/includes/class-wp-site-icon.php */
$this->site_icon_sizes = apply_filters( 'site_icon_image_sizes', $this->site_icon_sizes );
foreach ( $this->site_icon_sizes as $size ) {
$sizes[] = 'site_icon-' . $size;
}
return $sizes;
}
/**
* Deletes the Site Icon when the image file is deleted.
*
* @since 4.3.0
*
* @param int $post_id Attachment ID.
*/
public function delete_attachment_data( $post_id ) {
$site_icon_id = (int) get_option( 'site_icon' );
if ( $site_icon_id && $post_id === $site_icon_id ) {
delete_option( 'site_icon' );
}
}
/**
* Adds custom image sizes when meta data for an image is requested, that happens to be used as Site Icon.
*
* @since 4.3.0
*
* @param null|array|string $value The value get_metadata() should return a single metadata value, or an
* array of values.
* @param int $post_id Post ID.
* @param string $meta_key Meta key.
* @param bool $single Whether to return only the first value of the specified `$meta_key`.
* @return array|null|string The attachment metadata value, array of values, or null.
*/
public function get_post_metadata( $value, $post_id, $meta_key, $single ) {
if ( $single && '_wp_attachment_backup_sizes' === $meta_key ) {
$site_icon_id = (int) get_option( 'site_icon' );
if ( $post_id === $site_icon_id ) {
add_filter( 'intermediate_image_sizes', array( $this, 'intermediate_image_sizes' ) );
}
}
return $value;
}
}