advanced-custom-fields / core / actions / export.php

export.php in Advanced Custom Fields (ACF®) 4.1.2, at core/actions/export.php

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1	<?php
2
3	/*
4	* Export
5	*
6	* @description:
7	* @since: 3.6
8	* @created: 25/01/13
9	*/
10
11
12	// vars
13	$defaults = array(
14	'acf_posts' => array(),
15	'nonce' => ''
16	);
17	$my_options = array_merge( $defaults, $_POST );
18
19
20	// validate nonce
21	if( !wp_verify_nonce($my_options['nonce'], 'export') )
22	{
23	wp_die(__("Error",'acf'));
24	}
25
26
27	// check for posts
28	if( empty($my_options['acf_posts']) )
29	{
30	wp_die(__("No ACF groups selected",'acf'));
31	}
32
33
34	/**
35	* Version number for the export format.
36	*
37	* Bump this when something changes that might affect compatibility.
38	*
39	* @since 2.5.0
40	*/
41	define( 'WXR_VERSION', '1.1' );
42
43
44	/**
45	* Wrap given string in XML CDATA tag.
46	*
47	* @since 2.1.0
48	*
49	* @param string $str String to wrap in XML CDATA tag.
50	*/
51	function wxr_cdata( $str ) {
52	if ( seems_utf8( $str ) == false )
53	$str = utf8_encode( $str );
54
55	// $str = ent2ncr(esc_html($str));
56	$str = "<![CDATA[$str" . ( ( substr( $str, -1 ) == ']' ) ? ' ' : '' ) . ']]>';
57
58	return $str;
59	}
60
61	/**
62	* Return the URL of the site
63	*
64	* @since 2.5.0
65	*
66	* @return string Site URL.
67	*/
68	function wxr_site_url() {
69	// ms: the base url
70	if ( is_multisite() )
71	return network_home_url();
72	// wp: the blog url
73	else
74	return get_bloginfo_rss( 'url' );
75	}
76
77	/**
78	* Output a tag_description XML tag from a given tag object
79	*
80	* @since 2.3.0
81	*
82	* @param object $tag Tag Object
83	*/
84	function wxr_tag_description( $tag ) {
85	if ( empty( $tag->description ) )
86	return;
87
88	echo '<wp:tag_description>' . wxr_cdata( $tag->description ) . '</wp:tag_description>';
89	}
90
91	/**
92	* Output a term_name XML tag from a given term object
93	*
94	* @since 2.9.0
95	*
96	* @param object $term Term Object
97	*/
98	function wxr_term_name( $term ) {
99	if ( empty( $term->name ) )
100	return;
101
102	echo '<wp:term_name>' . wxr_cdata( $term->name ) . '</wp:term_name>';
103	}
104
105	/**
106	* Output a term_description XML tag from a given term object
107	*
108	* @since 2.9.0
109	*
110	* @param object $term Term Object
111	*/
112	function wxr_term_description( $term ) {
113	if ( empty( $term->description ) )
114	return;
115
116	echo '<wp:term_description>' . wxr_cdata( $term->description ) . '</wp:term_description>';
117	}
118
119	/**
120	* Output list of authors with posts
121	*
122	* @since 3.1.0
123	*/
124	function wxr_authors_list() {
125	global $wpdb;
126
127	$authors = array();
128	$results = $wpdb->get_results( "SELECT DISTINCT post_author FROM $wpdb->posts" );
129	foreach ( (array) $results as $result )
130	$authors[] = get_userdata( $result->post_author );
131
132	$authors = array_filter( $authors );
133
134	foreach( $authors as $author ) {
135	echo "\t<wp:author>";
136	echo '<wp:author_id>' . $author->ID . '</wp:author_id>';
137	echo '<wp:author_login>' . $author->user_login . '</wp:author_login>';
138	echo '<wp:author_email>' . $author->user_email . '</wp:author_email>';
139	echo '<wp:author_display_name>' . wxr_cdata( $author->display_name ) . '</wp:author_display_name>';
140	echo '<wp:author_first_name>' . wxr_cdata( $author->user_firstname ) . '</wp:author_first_name>';
141	echo '<wp:author_last_name>' . wxr_cdata( $author->user_lastname ) . '</wp:author_last_name>';
142	echo "</wp:author>\n";
143	}
144	}
145
146	header( 'Content-Description: File Transfer' );
147	header( 'Content-Disposition: attachment; filename=advanced-custom-field-export.xml' );
148	header( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ), true );
149
150
151	echo '<?xml version="1.0" encoding="' . get_bloginfo('charset') . "\" ?>\n";
152
153	?>
154	<!-- This is a WordPress eXtended RSS file generated by WordPress as an export of your site. -->
155	<!-- It contains information about your site's posts, pages, comments, categories, and other content. -->
156	<!-- You may use this file to transfer that content from one site to another. -->
157	<!-- This file is not intended to serve as a complete backup of your site. -->
158
159	<!-- To import this information into a WordPress site follow these steps: -->
160	<!-- 1. Log in to that site as an administrator. -->
161	<!-- 2. Go to Tools: Import in the WordPress admin panel. -->
162	<!-- 3. Install the "WordPress" importer from the list. -->
163	<!-- 4. Activate & Run Importer. -->
164	<!-- 5. Upload this file using the form provided on that page. -->
165	<!-- 6. You will first be asked to map the authors in this export file to users -->
166	<!-- on the site. For each author, you may choose to map to an -->
167	<!-- existing user on the site or to create a new user. -->
168	<!-- 7. WordPress will then import each of the posts, pages, comments, categories, etc. -->
169	<!-- contained in this file into your site. -->
170
171	<?php the_generator( 'export' ); ?>
172	<rss version="2.0"
173	xmlns:excerpt="http://wordpress.org/export/<?php echo WXR_VERSION; ?>/excerpt/"
174	xmlns:content="http://purl.org/rss/1.0/modules/content/"
175	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
176	xmlns:dc="http://purl.org/dc/elements/1.1/"
177	xmlns:wp="http://wordpress.org/export/<?php echo WXR_VERSION; ?>/"
178	>
179
180	<channel>
181	<title><?php bloginfo_rss( 'name' ); ?></title>
182	<link><?php bloginfo_rss( 'url' ); ?></link>
183	<description><?php bloginfo_rss( 'description' ); ?></description>
184	<pubDate><?php echo date( 'D, d M Y H:i:s +0000' ); ?></pubDate>
185	<language><?php echo get_option( 'rss_language' ); ?></language>
186	<wp:wxr_version><?php echo WXR_VERSION; ?></wp:wxr_version>
187	<wp:base_site_url><?php echo wxr_site_url(); ?></wp:base_site_url>
188	<wp:base_blog_url><?php bloginfo_rss( 'url' ); ?></wp:base_blog_url>
189	<?php wxr_authors_list(); ?>
190	<?php if ( $my_options['acf_posts'] ) {
191
192	global $wp_query, $wpdb;
193	$wp_query->in_the_loop = true; // Fake being in the loop.
194
195	// create SQL with %d placeholders
196	$where = 'WHERE ID IN (' . substr(str_repeat('%d,', count($my_options['acf_posts'])), 0, -1) . ')';
197
198	// now prepare the SQL based on the %d + $_POST data
199	$posts = $wpdb->get_results( $wpdb->prepare("SELECT * FROM {$wpdb->posts} $where", $my_options['acf_posts']));
200
201	// Begin Loop
202	foreach ( $posts as $post ) {
203	setup_postdata( $post );
204	?>
205	<item>
206	<title><?php echo apply_filters( 'the_title_rss', $post->post_title ); ?></title>
207	<link><?php the_permalink_rss() ?></link>
208	<pubDate><?php echo mysql2date( 'D, d M Y H:i:s +0000', get_post_time( 'Y-m-d H:i:s', true ), false ); ?></pubDate>
209	<dc:creator><?php echo get_the_author_meta( 'login' ); ?></dc:creator>
210	<guid isPermaLink="false"><?php esc_url( the_guid() ); ?></guid>
211	<wp:post_id><?php echo $post->ID; ?></wp:post_id>
212	<wp:post_date><?php echo $post->post_date; ?></wp:post_date>
213	<wp:post_date_gmt><?php echo $post->post_date_gmt; ?></wp:post_date_gmt>
214	<wp:comment_status><?php echo $post->comment_status; ?></wp:comment_status>
215	<wp:ping_status><?php echo $post->ping_status; ?></wp:ping_status>
216	<wp:post_name><?php echo $post->post_name; ?></wp:post_name>
217	<wp:status><?php echo $post->post_status; ?></wp:status>
218	<wp:post_parent><?php echo $post->post_parent; ?></wp:post_parent>
219	<wp:menu_order><?php echo $post->menu_order; ?></wp:menu_order>
220	<wp:post_type><?php echo $post->post_type; ?></wp:post_type>
221	<wp:post_password><?php echo $post->post_password; ?></wp:post_password>
222	<?php $postmeta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->postmeta WHERE post_id = %d", $post->ID ) );
223	foreach( $postmeta as $meta ) : if ( $meta->meta_key != '_edit_lock' ) :
224	$meta->meta_value = str_replace("\r\n", "\n", $meta->meta_value);
225	$meta->meta_value = str_replace("\r", "\n", $meta->meta_value);
226	?>
227	<wp:postmeta>
228	<wp:meta_key><?php echo $meta->meta_key; ?></wp:meta_key>
229	<wp:meta_value><?php echo wxr_cdata( $meta->meta_value ); ?></wp:meta_value>
230	</wp:postmeta>
231	<?php endif; endforeach; ?>
232	</item>
233	<?php
234	}
235	}
236	?>
237	</channel>
238	</rss>