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<?php
/**
* Migration from Jetpack's Image Widget to WordPress' Core Image Widget.
*
* @since 4.9
*
* @package Jetpack
*/
/**
* Migrates all active instances of Jetpack's image widget to Core's media image widget.
*/
function jetpack_migrate_image_widget() {
// Only trigger the migration from wp-admin
if ( ! is_admin() ) {
return;
}
// Only migrate if the new widget is available and we haven't yet migrated
if ( ! class_exists( 'WP_Widget_Media_Image' ) || Jetpack_Options::get_option( 'image_widget_migration' ) ) {
return;
}
$default_data = array(
'attachment_id' => 0,
'url' => '',
'title' => '',
'size' => 'full',
'width' => 0,
'height' => 0,
'align' => 'none',
'caption' => '',
'alt' => '',
'link_type' => '',
'link_url' => '',
'image_classes' => '',
'link_classes' => '',
'link_rel' => '',
'image_title' => '',
'link_target_blank' => false,
);
$media_image = get_option( 'widget_media_image' );
$sidebars_widgets = wp_get_sidebars_widgets();
foreach ( get_option( 'widget_image', array() ) as $id => $widget ) {
if ( is_string( $id ) ) {
continue;
}
$media_image[ $id ] = array_merge( $default_data, array_intersect_key( $widget, $default_data ), array(
'alt' => $widget['alt_text'],
'height' => $widget['img_height'],
'image_classes' => ! empty( $widget['align'] ) ? 'align' . $widget['align'] : '',
'image_title' => $widget['img_title'],
'link_url' => $widget['link'],
'url' => $widget['img_url'],
'width' => $widget['img_width'],
) );
// Check if the image is in the media library.
$image_basename = basename( $widget['img_url'] );
$attachment_ids = get_posts( array(
'fields' => 'ids',
'meta_query' => array(
array(
'value' => basename( $image_basename ),
'compare' => 'LIKE',
'key' => '_wp_attachment_metadata',
),
),
'post_status' => 'inherit',
'post_type' => 'attachment',
) );
foreach ( (array) $attachment_ids as $attachment_id ) {
$image_meta = wp_get_attachment_metadata( $attachment_id );
// Is it a full size image?
$image_path_pieces = explode( '/', $image_meta['file'] );
if ( $image_basename === array_pop( $image_path_pieces ) ) {
$media_image[ $id ]['attachment_id'] = $attachment_id;
$media_image[ $id ]['width'] = $image_meta['width'];
$media_image[ $id ]['height'] = $image_meta['height'];
break;
}
// Is it a down-sized image?
foreach ( $image_meta['sizes'] as $size => $image ) {
if ( false !== array_search( $image_basename, $image ) ) {
$media_image[ $id ]['attachment_id'] = $attachment_id;
$media_image[ $id ]['size'] = $size;
$media_image[ $id ]['width'] = $image['width'];
$media_image[ $id ]['height'] = $image['height'];
break 2;
}
}
}
if ( ! empty( $widget['link'] ) ) {
$media_image[ $id ]['link_type'] = $widget['link'] === $widget['img_url'] ? 'file' : 'custom';
}
foreach ( $sidebars_widgets as $sidebar => $widgets ) {
if ( false !== ( $key = array_search( "image-{$id}", $widgets, true ) ) ) {
$sidebars_widgets[ $sidebar ][ $key ] = "media_image-{$id}";
}
}
wp_unregister_sidebar_widget( "image-{$id}" );
$media_image_widget = new WP_Widget_Media_Image();
$media_image_widget->_set( $id );
$media_image_widget->_register_one( $id );
}
update_option( 'widget_media_image', $media_image );
delete_option( 'widget_image' );
wp_set_sidebars_widgets( $sidebars_widgets );
Jetpack_Options::update_option( 'image_widget_migration', true );
// We need to refresh on widgets page for changes to take effect.
add_action( 'current_screen', 'jetpack_refresh_on_widget_page' );
}
add_action( 'widgets_init', 'jetpack_migrate_image_widget' );
function jetpack_refresh_on_widget_page( $current ) {
if ( 'widgets' === $current->base ) {
wp_safe_redirect( admin_url( 'widgets.php' ) );
}
}
|
GitWeb