/**
* Generates the WXR export file for download.
*
+ * Default behavior is to export all content, however, note that post content will only
+ * be exported for post types with the `can_export` argument enabled. Any posts with the
+ * 'auto-draft' status will be skipped.
+ *
* @since 2.1.0
*
- * @global wpdb $wpdb
- * @global WP_Post $post
+ * @global wpdb $wpdb WordPress database abstraction object.
+ * @global WP_Post $post Global `$post`.
+ *
+ * @param array $args {
+ * Optional. Arguments for generating the WXR export file for download. Default empty array.
*
- * @param array $args Filters defining what should be included in the export.
+ * @type string $content Type of content to export. If set, only the post content of this post type
+ * will be exported. Accepts 'all', 'post', 'page', 'attachment', or a defined
+ * custom post. If an invalid custom post type is supplied, every post type for
+ * which `can_export` is enabled will be exported instead. If a valid custom post
+ * type is supplied but `can_export` is disabled, then 'posts' will be exported
+ * instead. When 'all' is supplied, only post types with `can_export` enabled will
+ * be exported. Default 'all'.
+ * @type string $author Author to export content for. Only used when `$content` is 'post', 'page', or
+ * 'attachment'. Accepts false (all) or a specific author ID. Default false (all).
+ * @type string $category Category (slug) to export content for. Used only when `$content` is 'post'. If
+ * set, only post content assigned to `$category will be exported. Accepts false
+ * or a specific category slug. Default is false (all categories).
+ * @type string $start_date Start date to export content from. Expected date format is 'Y-m-d'. Used only
+ * when `$content` is 'post', 'page' or 'attachment'. Default false (since the
+ * beginning of time).
+ * @type string $end_date End date to export content to. Expected date format is 'Y-m-d'. Used only when
+ * `$content` is 'post', 'page' or 'attachment'. Default false (latest publish date).
+ * @type string $status Post status to export posts for. Used only when `$content` is 'post' or 'page'.
+ * Accepts false (all statuses except 'auto-draft'), or a specific status, i.e.
+ * 'publish', 'pending', 'draft', 'auto-draft', 'future', 'private', 'inherit', or
+ * 'trash'. Default false (all statuses except 'auto-draft').
+ * }
*/
function export_wp( $args = array() ) {
global $wpdb, $post;
$date = date( 'Y-m-d' );
$wp_filename = $sitename . 'wordpress.' . $date . '.xml';
/**
- * Filter the export filename.
+ * Filters the export filename.
*
* @since 4.4.0
*
if ( empty( $category->name ) )
return;
- echo '<wp:cat_name>' . wxr_cdata( $category->name ) . '</wp:cat_name>';
+ echo '<wp:cat_name>' . wxr_cdata( $category->name ) . "</wp:cat_name>\n";
}
/**
if ( empty( $category->description ) )
return;
- echo '<wp:category_description>' . wxr_cdata( $category->description ) . '</wp:category_description>';
+ echo '<wp:category_description>' . wxr_cdata( $category->description ) . "</wp:category_description>\n";
}
/**
if ( empty( $tag->name ) )
return;
- echo '<wp:tag_name>' . wxr_cdata( $tag->name ) . '</wp:tag_name>';
+ echo '<wp:tag_name>' . wxr_cdata( $tag->name ) . "</wp:tag_name>\n";
}
/**
if ( empty( $tag->description ) )
return;
- echo '<wp:tag_description>' . wxr_cdata( $tag->description ) . '</wp:tag_description>';
+ echo '<wp:tag_description>' . wxr_cdata( $tag->description ) . "</wp:tag_description>\n";
}
/**
if ( empty( $term->name ) )
return;
- echo '<wp:term_name>' . wxr_cdata( $term->name ) . '</wp:term_name>';
+ echo '<wp:term_name>' . wxr_cdata( $term->name ) . "</wp:term_name>\n";
}
/**
if ( empty( $term->description ) )
return;
- echo '<wp:term_description>' . wxr_cdata( $term->description ) . '</wp:term_description>';
+ echo "\t\t<wp:term_description>" . wxr_cdata( $term->description ) . "</wp:term_description>\n";
+ }
+
+ /**
+ * Output term meta XML tags for a given term object.
+ *
+ * @since 4.6.0
+ *
+ * @param WP_Term $term Term object.
+ */
+ function wxr_term_meta( $term ) {
+ global $wpdb;
+
+ $termmeta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->termmeta WHERE term_id = %d", $term->term_id ) );
+
+ foreach ( $termmeta as $meta ) {
+ /**
+ * Filters whether to selectively skip term meta used for WXR exports.
+ *
+ * Returning a truthy value to the filter will skip the current meta
+ * object from being exported.
+ *
+ * @since 4.6.0
+ *
+ * @param bool $skip Whether to skip the current piece of term meta. Default false.
+ * @param string $meta_key Current meta key.
+ * @param object $meta Current meta object.
+ */
+ if ( ! apply_filters( 'wxr_export_skip_termmeta', false, $meta->meta_key, $meta ) ) {
+ printf( "\t\t<wp:termmeta>\n\t\t\t<wp:meta_key>%s</wp:meta_key>\n\t\t\t<wp:meta_value>%s</wp:meta_value>\n\t\t</wp:termmeta>\n", wxr_cdata( $meta->meta_key ), wxr_cdata( $meta->meta_value ) );
+ }
+ }
}
/**
}
/**
- * Ouput all navigation menu terms
+ * Output all navigation menu terms
*
* @since 3.1.0
*/
<?php wxr_authors_list( $post_ids ); ?>
<?php foreach ( $cats as $c ) : ?>
- <wp:category><wp:term_id><?php echo intval( $c->term_id ); ?></wp:term_id><wp:category_nicename><?php echo wxr_cdata( $c->slug ); ?></wp:category_nicename><wp:category_parent><?php echo wxr_cdata( $c->parent ? $cats[$c->parent]->slug : '' ); ?></wp:category_parent><?php wxr_cat_name( $c ); ?><?php wxr_category_description( $c ); ?></wp:category>
+ <wp:category>
+ <wp:term_id><?php echo intval( $c->term_id ); ?></wp:term_id>
+ <wp:category_nicename><?php echo wxr_cdata( $c->slug ); ?></wp:category_nicename>
+ <wp:category_parent><?php echo wxr_cdata( $c->parent ? $cats[$c->parent]->slug : '' ); ?></wp:category_parent>
+ <?php wxr_cat_name( $c );
+ wxr_category_description( $c );
+ wxr_term_meta( $c ); ?>
+ </wp:category>
<?php endforeach; ?>
<?php foreach ( $tags as $t ) : ?>
- <wp:tag><wp:term_id><?php echo intval( $t->term_id ); ?></wp:term_id><wp:tag_slug><?php echo wxr_cdata( $t->slug ); ?></wp:tag_slug><?php wxr_tag_name( $t ); ?><?php wxr_tag_description( $t ); ?></wp:tag>
+ <wp:tag>
+ <wp:term_id><?php echo intval( $t->term_id ); ?></wp:term_id>
+ <wp:tag_slug><?php echo wxr_cdata( $t->slug ); ?></wp:tag_slug>
+ <?php wxr_tag_name( $t );
+ wxr_tag_description( $t );
+ wxr_term_meta( $t ); ?>
+ </wp:tag>
<?php endforeach; ?>
<?php foreach ( $terms as $t ) : ?>
- <wp:term><wp:term_id><?php echo wxr_cdata( $t->term_id ); ?></wp:term_id><wp:term_taxonomy><?php echo wxr_cdata( $t->taxonomy ); ?></wp:term_taxonomy><wp:term_slug><?php echo wxr_cdata( $t->slug ); ?></wp:term_slug><wp:term_parent><?php echo wxr_cdata( $t->parent ? $terms[$t->parent]->slug : '' ); ?></wp:term_parent><?php wxr_term_name( $t ); ?><?php wxr_term_description( $t ); ?></wp:term>
+ <wp:term>
+ <wp:term_id><?php echo wxr_cdata( $t->term_id ); ?></wp:term_id>
+ <wp:term_taxonomy><?php echo wxr_cdata( $t->taxonomy ); ?></wp:term_taxonomy>
+ <wp:term_slug><?php echo wxr_cdata( $t->slug ); ?></wp:term_slug>
+ <wp:term_parent><?php echo wxr_cdata( $t->parent ? $terms[$t->parent]->slug : '' ); ?></wp:term_parent>
+ <?php wxr_term_name( $t );
+ wxr_term_description( $t );
+ wxr_term_meta( $t ); ?>
+ </wp:term>
<?php endforeach; ?>
<?php if ( 'all' == $args['content'] ) wxr_nav_menu_terms(); ?>
<description></description>
<content:encoded><?php
/**
- * Filter the post content used for WXR exports.
+ * Filters the post content used for WXR exports.
*
* @since 2.5.0
*
?></content:encoded>
<excerpt:encoded><?php
/**
- * Filter the post excerpt used for WXR exports.
+ * Filters the post excerpt used for WXR exports.
*
* @since 2.6.0
*
<?php $postmeta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->postmeta WHERE post_id = %d", $post->ID ) );
foreach ( $postmeta as $meta ) :
/**
- * Filter whether to selectively skip post meta used for WXR exports.
+ * Filters whether to selectively skip post meta used for WXR exports.
*
* Returning a truthy value to the filter will skip the current meta
* object from being exported.
<?php $c_meta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->commentmeta WHERE comment_id = %d", $c->comment_ID ) );
foreach ( $c_meta as $meta ) :
/**
- * Filter whether to selectively skip comment meta used for WXR exports.
+ * Filters whether to selectively skip comment meta used for WXR exports.
*
* Returning a truthy value to the filter will skip the current meta
* object from being exported.
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