3
* WordPress Post Administration API.
6
* @subpackage Administration
10
* Rename $_POST data from form names to DB post columns.
12
* Manipulates $_POST directly.
17
* @param bool $update Are we updating a pre-existing post?
18
* @param array $post_data Array of post data. Defaults to the contents of $_POST.
19
* @return object|bool WP_Error on failure, true on success.
21
function _wp_translate_postdata( $update = false, $post_data = null ) {
23
if ( empty($post_data) )
27
$post_data['ID'] = (int) $post_data['post_ID'];
29
$ptype = get_post_type_object( $post_data['post_type'] );
31
if ( $update && ! current_user_can( 'edit_post', $post_data['ID'] ) ) {
32
if ( 'page' == $post_data['post_type'] )
33
return new WP_Error( 'edit_others_pages', __( 'You are not allowed to edit pages as this user.' ) );
35
return new WP_Error( 'edit_others_posts', __( 'You are not allowed to edit posts as this user.' ) );
36
} elseif ( ! $update && ! current_user_can( $ptype->cap->create_posts ) ) {
37
if ( 'page' == $post_data['post_type'] )
38
return new WP_Error( 'edit_others_pages', __( 'You are not allowed to create pages as this user.' ) );
40
return new WP_Error( 'edit_others_posts', __( 'You are not allowed to create posts as this user.' ) );
43
if ( isset( $post_data['content'] ) )
44
$post_data['post_content'] = $post_data['content'];
46
if ( isset( $post_data['excerpt'] ) )
47
$post_data['post_excerpt'] = $post_data['excerpt'];
49
if ( isset( $post_data['parent_id'] ) )
50
$post_data['post_parent'] = (int) $post_data['parent_id'];
52
if ( isset($post_data['trackback_url']) )
53
$post_data['to_ping'] = $post_data['trackback_url'];
55
$post_data['user_ID'] = get_current_user_id();
57
if (!empty ( $post_data['post_author_override'] ) ) {
58
$post_data['post_author'] = (int) $post_data['post_author_override'];
60
if (!empty ( $post_data['post_author'] ) ) {
61
$post_data['post_author'] = (int) $post_data['post_author'];
63
$post_data['post_author'] = (int) $post_data['user_ID'];
67
if ( isset( $post_data['user_ID'] ) && ( $post_data['post_author'] != $post_data['user_ID'] )
68
&& ! current_user_can( $ptype->cap->edit_others_posts ) ) {
70
if ( 'page' == $post_data['post_type'] )
71
return new WP_Error( 'edit_others_pages', __( 'You are not allowed to edit pages as this user.' ) );
73
return new WP_Error( 'edit_others_posts', __( 'You are not allowed to edit posts as this user.' ) );
75
if ( 'page' == $post_data['post_type'] )
76
return new WP_Error( 'edit_others_pages', __( 'You are not allowed to create pages as this user.' ) );
78
return new WP_Error( 'edit_others_posts', __( 'You are not allowed to create posts as this user.' ) );
82
if ( ! empty( $post_data['post_status'] ) ) {
83
$post_data['post_status'] = sanitize_key( $post_data['post_status'] );
85
// No longer an auto-draft
86
if ( 'auto-draft' === $post_data['post_status'] ) {
87
$post_data['post_status'] = 'draft';
90
if ( ! get_post_status_object( $post_data['post_status'] ) ) {
91
unset( $post_data['post_status'] );
95
// What to do based on which button they pressed
96
if ( isset($post_data['saveasdraft']) && '' != $post_data['saveasdraft'] )
97
$post_data['post_status'] = 'draft';
98
if ( isset($post_data['saveasprivate']) && '' != $post_data['saveasprivate'] )
99
$post_data['post_status'] = 'private';
100
if ( isset($post_data['publish']) && ( '' != $post_data['publish'] ) && ( !isset($post_data['post_status']) || $post_data['post_status'] != 'private' ) )
101
$post_data['post_status'] = 'publish';
102
if ( isset($post_data['advanced']) && '' != $post_data['advanced'] )
103
$post_data['post_status'] = 'draft';
104
if ( isset($post_data['pending']) && '' != $post_data['pending'] )
105
$post_data['post_status'] = 'pending';
107
if ( isset( $post_data['ID'] ) )
108
$post_id = $post_data['ID'];
111
$previous_status = $post_id ? get_post_field( 'post_status', $post_id ) : false;
113
if ( isset( $post_data['post_status'] ) && 'private' == $post_data['post_status'] && ! current_user_can( $ptype->cap->publish_posts ) ) {
114
$post_data['post_status'] = $previous_status ? $previous_status : 'pending';
117
$published_statuses = array( 'publish', 'future' );
119
// Posts 'submitted for approval' present are submitted to $_POST the same as if they were being published.
120
// Change status from 'publish' to 'pending' if user lacks permissions to publish or to resave published posts.
121
if ( isset($post_data['post_status']) && (in_array( $post_data['post_status'], $published_statuses ) && !current_user_can( $ptype->cap->publish_posts )) )
122
if ( ! in_array( $previous_status, $published_statuses ) || !current_user_can( 'edit_post', $post_id ) )
123
$post_data['post_status'] = 'pending';
125
if ( ! isset( $post_data['post_status'] ) ) {
126
$post_data['post_status'] = 'auto-draft' === $previous_status ? 'draft' : $previous_status;
129
if ( isset( $post_data['post_password'] ) && ! current_user_can( $ptype->cap->publish_posts ) ) {
130
unset( $post_data['post_password'] );
133
if (!isset( $post_data['comment_status'] ))
134
$post_data['comment_status'] = 'closed';
136
if (!isset( $post_data['ping_status'] ))
137
$post_data['ping_status'] = 'closed';
139
foreach ( array('aa', 'mm', 'jj', 'hh', 'mn') as $timeunit ) {
140
if ( !empty( $post_data['hidden_' . $timeunit] ) && $post_data['hidden_' . $timeunit] != $post_data[$timeunit] ) {
141
$post_data['edit_date'] = '1';
146
if ( !empty( $post_data['edit_date'] ) ) {
147
$aa = $post_data['aa'];
148
$mm = $post_data['mm'];
149
$jj = $post_data['jj'];
150
$hh = $post_data['hh'];
151
$mn = $post_data['mn'];
152
$ss = $post_data['ss'];
153
$aa = ($aa <= 0 ) ? date('Y') : $aa;
154
$mm = ($mm <= 0 ) ? date('n') : $mm;
155
$jj = ($jj > 31 ) ? 31 : $jj;
156
$jj = ($jj <= 0 ) ? date('j') : $jj;
157
$hh = ($hh > 23 ) ? $hh -24 : $hh;
158
$mn = ($mn > 59 ) ? $mn -60 : $mn;
159
$ss = ($ss > 59 ) ? $ss -60 : $ss;
160
$post_data['post_date'] = sprintf( "%04d-%02d-%02d %02d:%02d:%02d", $aa, $mm, $jj, $hh, $mn, $ss );
161
$valid_date = wp_checkdate( $mm, $jj, $aa, $post_data['post_date'] );
162
if ( !$valid_date ) {
163
return new WP_Error( 'invalid_date', __( 'Whoops, the provided date is invalid.' ) );
165
$post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] );
172
* Update an existing post with values provided in $_POST.
176
* @param array $post_data Optional.
177
* @return int Post ID.
179
function edit_post( $post_data = null ) {
181
if ( empty($post_data) )
182
$post_data = &$_POST;
184
// Clear out any data in internal vars.
185
unset( $post_data['filter'] );
187
$post_ID = (int) $post_data['post_ID'];
188
$post = get_post( $post_ID );
189
$post_data['post_type'] = $post->post_type;
190
$post_data['post_mime_type'] = $post->post_mime_type;
192
if ( ! empty( $post_data['post_status'] ) ) {
193
$post_data['post_status'] = sanitize_key( $post_data['post_status'] );
195
if ( 'inherit' == $post_data['post_status'] ) {
196
unset( $post_data['post_status'] );
200
$ptype = get_post_type_object($post_data['post_type']);
201
if ( !current_user_can( 'edit_post', $post_ID ) ) {
202
if ( 'page' == $post_data['post_type'] )
203
wp_die( __('You are not allowed to edit this page.' ));
205
wp_die( __('You are not allowed to edit this post.' ));
208
if ( post_type_supports( $ptype->name, 'revisions' ) ) {
209
$revisions = wp_get_post_revisions( $post_ID, array( 'order' => 'ASC', 'posts_per_page' => 1 ) );
210
$revision = current( $revisions );
212
// Check if the revisions have been upgraded
213
if ( $revisions && _wp_get_post_revision_version( $revision ) < 1 )
214
_wp_upgrade_revisions_of_post( $post, wp_get_post_revisions( $post_ID ) );
217
if ( isset($post_data['visibility']) ) {
218
switch ( $post_data['visibility'] ) {
220
$post_data['post_password'] = '';
223
unset( $post_data['sticky'] );
226
$post_data['post_status'] = 'private';
227
$post_data['post_password'] = '';
228
unset( $post_data['sticky'] );
233
$post_data = _wp_translate_postdata( true, $post_data );
234
if ( is_wp_error($post_data) )
235
wp_die( $post_data->get_error_message() );
238
if ( isset( $post_data['post_format'] ) )
239
set_post_format( $post_ID, $post_data['post_format'] );
241
$format_meta_urls = array( 'url', 'link_url', 'quote_source_url' );
242
foreach ( $format_meta_urls as $format_meta_url ) {
243
$keyed = '_format_' . $format_meta_url;
244
if ( isset( $post_data[ $keyed ] ) )
245
update_post_meta( $post_ID, $keyed, wp_slash( esc_url_raw( wp_unslash( $post_data[ $keyed ] ) ) ) );
248
$format_keys = array( 'quote', 'quote_source_name', 'image', 'gallery', 'audio_embed', 'video_embed' );
250
foreach ( $format_keys as $key ) {
251
$keyed = '_format_' . $key;
252
if ( isset( $post_data[ $keyed ] ) ) {
253
if ( current_user_can( 'unfiltered_html' ) )
254
update_post_meta( $post_ID, $keyed, $post_data[ $keyed ] );
256
update_post_meta( $post_ID, $keyed, wp_filter_post_kses( $post_data[ $keyed ] ) );
260
if ( 'attachment' === $post_data['post_type'] && preg_match( '#^(audio|video)/#', $post_data['post_mime_type'] ) ) {
261
$id3data = wp_get_attachment_metadata( $post_ID );
262
if ( ! is_array( $id3data ) ) {
266
foreach ( wp_get_attachment_id3_keys( $post, 'edit' ) as $key => $label ) {
267
if ( isset( $post_data[ 'id3_' . $key ] ) ) {
268
$id3data[ $key ] = sanitize_text_field( wp_unslash( $post_data[ 'id3_' . $key ] ) );
271
wp_update_attachment_metadata( $post_ID, $id3data );
275
if ( isset($post_data['meta']) && $post_data['meta'] ) {
276
foreach ( $post_data['meta'] as $key => $value ) {
277
if ( !$meta = get_post_meta_by_id( $key ) )
279
if ( $meta->post_id != $post_ID )
281
if ( is_protected_meta( $value['key'], 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $value['key'] ) )
283
update_meta( $key, $value['key'], $value['value'] );
287
if ( isset($post_data['deletemeta']) && $post_data['deletemeta'] ) {
288
foreach ( $post_data['deletemeta'] as $key => $value ) {
289
if ( !$meta = get_post_meta_by_id( $key ) )
291
if ( $meta->post_id != $post_ID )
293
if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $post_ID, $meta->meta_key ) )
300
if ( 'attachment' == $post_data['post_type'] ) {
301
if ( isset( $post_data[ '_wp_attachment_image_alt' ] ) ) {
302
$image_alt = wp_unslash( $post_data['_wp_attachment_image_alt'] );
303
if ( $image_alt != get_post_meta( $post_ID, '_wp_attachment_image_alt', true ) ) {
304
$image_alt = wp_strip_all_tags( $image_alt, true );
305
// update_meta expects slashed.
306
update_post_meta( $post_ID, '_wp_attachment_image_alt', wp_slash( $image_alt ) );
310
$attachment_data = isset( $post_data['attachments'][ $post_ID ] ) ? $post_data['attachments'][ $post_ID ] : array();
312
/** This filter is documented in wp-admin/includes/media.php */
313
$post_data = apply_filters( 'attachment_fields_to_save', $post_data, $attachment_data );
316
add_meta( $post_ID );
318
update_post_meta( $post_ID, '_edit_last', get_current_user_id() );
320
wp_update_post( $post_data );
322
// Now that we have an ID we can fix any attachment anchor hrefs
323
_fix_attachment_links( $post_ID );
325
wp_set_post_lock( $post_ID );
327
if ( current_user_can( $ptype->cap->edit_others_posts ) ) {
328
if ( ! empty( $post_data['sticky'] ) )
329
stick_post( $post_ID );
331
unstick_post( $post_ID );
338
* Process the post data for the bulk editing of posts.
340
* Updates all bulk edited posts/pages, adding (but not removing) tags and
341
* categories. Skips pages when they would be their own parent or child.
345
* @param array $post_data Optional, the array of post data to process if not provided will use $_POST superglobal.
348
function bulk_edit_posts( $post_data = null ) {
351
if ( empty($post_data) )
352
$post_data = &$_POST;
354
if ( isset($post_data['post_type']) )
355
$ptype = get_post_type_object($post_data['post_type']);
357
$ptype = get_post_type_object('post');
359
if ( !current_user_can( $ptype->cap->edit_posts ) ) {
360
if ( 'page' == $ptype->name )
361
wp_die( __('You are not allowed to edit pages.'));
363
wp_die( __('You are not allowed to edit posts.'));
366
if ( -1 == $post_data['_status'] ) {
367
$post_data['post_status'] = null;
368
unset($post_data['post_status']);
370
$post_data['post_status'] = $post_data['_status'];
372
unset($post_data['_status']);
374
if ( ! empty( $post_data['post_status'] ) ) {
375
$post_data['post_status'] = sanitize_key( $post_data['post_status'] );
377
if ( 'inherit' == $post_data['post_status'] ) {
378
unset( $post_data['post_status'] );
382
$post_IDs = array_map( 'intval', (array) $post_data['post'] );
385
'post_author', 'post_status', 'post_password',
386
'post_parent', 'page_template', 'comment_status',
387
'ping_status', 'keep_private', 'tax_input',
388
'post_category', 'sticky', 'post_format',
391
foreach ( $reset as $field ) {
392
if ( isset($post_data[$field]) && ( '' == $post_data[$field] || -1 == $post_data[$field] ) )
393
unset($post_data[$field]);
396
if ( isset($post_data['post_category']) ) {
397
if ( is_array($post_data['post_category']) && ! empty($post_data['post_category']) )
398
$new_cats = array_map( 'absint', $post_data['post_category'] );
400
unset($post_data['post_category']);
403
$tax_input = array();
404
if ( isset($post_data['tax_input'])) {
405
foreach ( $post_data['tax_input'] as $tax_name => $terms ) {
408
if ( is_taxonomy_hierarchical( $tax_name ) ) {
409
$tax_input[ $tax_name ] = array_map( 'absint', $terms );
411
$comma = _x( ',', 'tag delimiter' );
412
if ( ',' !== $comma )
413
$terms = str_replace( $comma, ',', $terms );
414
$tax_input[ $tax_name ] = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
419
if ( isset($post_data['post_parent']) && ($parent = (int) $post_data['post_parent']) ) {
420
$pages = $wpdb->get_results("SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'");
423
for ( $i = 0; $i < 50 && $parent > 0; $i++ ) {
424
$children[] = $parent;
426
foreach ( $pages as $page ) {
427
if ( $page->ID == $parent ) {
428
$parent = $page->post_parent;
435
$updated = $skipped = $locked = array();
436
$shared_post_data = $post_data;
438
foreach ( $post_IDs as $post_ID ) {
439
// Start with fresh post data with each iteration.
440
$post_data = $shared_post_data;
442
$post_type_object = get_post_type_object( get_post_type( $post_ID ) );
444
if ( !isset( $post_type_object ) || ( isset($children) && in_array($post_ID, $children) ) || !current_user_can( 'edit_post', $post_ID ) ) {
445
$skipped[] = $post_ID;
449
if ( wp_check_post_lock( $post_ID ) ) {
450
$locked[] = $post_ID;
454
$post = get_post( $post_ID );
455
$tax_names = get_object_taxonomies( $post );
456
foreach ( $tax_names as $tax_name ) {
457
$taxonomy_obj = get_taxonomy($tax_name);
458
if ( isset( $tax_input[$tax_name]) && current_user_can( $taxonomy_obj->cap->assign_terms ) )
459
$new_terms = $tax_input[$tax_name];
461
$new_terms = array();
463
if ( $taxonomy_obj->hierarchical )
464
$current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array('fields' => 'ids') );
466
$current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array('fields' => 'names') );
468
$post_data['tax_input'][$tax_name] = array_merge( $current_terms, $new_terms );
471
if ( isset($new_cats) && in_array( 'category', $tax_names ) ) {
472
$cats = (array) wp_get_post_categories($post_ID);
473
$post_data['post_category'] = array_unique( array_merge($cats, $new_cats) );
474
unset( $post_data['tax_input']['category'] );
477
$post_data['post_type'] = $post->post_type;
478
$post_data['post_mime_type'] = $post->post_mime_type;
479
$post_data['guid'] = $post->guid;
481
foreach ( array( 'comment_status', 'ping_status', 'post_author' ) as $field ) {
482
if ( ! isset( $post_data[ $field ] ) ) {
483
$post_data[ $field ] = $post->$field;
487
$post_data['ID'] = $post_ID;
488
$post_data['post_ID'] = $post_ID;
490
$post_data = _wp_translate_postdata( true, $post_data );
491
if ( is_wp_error( $post_data ) ) {
492
$skipped[] = $post_ID;
496
$updated[] = wp_update_post( $post_data );
498
if ( isset( $post_data['sticky'] ) && current_user_can( $ptype->cap->edit_others_posts ) ) {
499
if ( 'sticky' == $post_data['sticky'] )
500
stick_post( $post_ID );
502
unstick_post( $post_ID );
505
if ( isset( $post_data['post_format'] ) )
506
set_post_format( $post_ID, $post_data['post_format'] );
509
return array( 'updated' => $updated, 'skipped' => $skipped, 'locked' => $locked );
513
* Default post information to use when populating the "Write Post" form.
517
* @param string $post_type A post type string, defaults to 'post'.
518
* @return WP_Post Post object containing all the default post data as attributes
520
function get_default_post_to_edit( $post_type = 'post', $create_in_db = false ) {
522
if ( !empty( $_REQUEST['post_title'] ) )
523
$post_title = esc_html( wp_unslash( $_REQUEST['post_title'] ));
526
if ( !empty( $_REQUEST['content'] ) )
527
$post_content = esc_html( wp_unslash( $_REQUEST['content'] ));
530
if ( !empty( $_REQUEST['excerpt'] ) )
531
$post_excerpt = esc_html( wp_unslash( $_REQUEST['excerpt'] ));
533
if ( $create_in_db ) {
534
$post_id = wp_insert_post( array( 'post_title' => __( 'Auto Draft' ), 'post_type' => $post_type, 'post_status' => 'auto-draft' ) );
535
$post = get_post( $post_id );
536
if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) && get_option( 'default_post_format' ) )
537
set_post_format( $post, get_option( 'default_post_format' ) );
539
$post = new stdClass;
541
$post->post_author = '';
542
$post->post_date = '';
543
$post->post_date_gmt = '';
544
$post->post_password = '';
545
$post->post_type = $post_type;
546
$post->post_status = 'draft';
549
$post->comment_status = get_option( 'default_comment_status' );
550
$post->ping_status = get_option( 'default_ping_status' );
551
$post->post_pingback = get_option( 'default_pingback_flag' );
552
$post->post_category = get_option( 'default_category' );
553
$post->page_template = 'default';
554
$post->post_parent = 0;
555
$post->menu_order = 0;
556
$post = new WP_Post( $post );
560
* Filter the default post content initially used in the "Write Post" form.
564
* @param string $post_content Default post content.
565
* @param WP_Post $post Post object.
567
$post->post_content = apply_filters( 'default_content', $post_content, $post );
570
* Filter the default post title initially used in the "Write Post" form.
574
* @param string $post_title Default post title.
575
* @param WP_Post $post Post object.
577
$post->post_title = apply_filters( 'default_title', $post_title, $post );
580
* Filter the default post excerpt initially used in the "Write Post" form.
584
* @param string $post_excerpt Default post excerpt.
585
* @param WP_Post $post Post object.
587
$post->post_excerpt = apply_filters( 'default_excerpt', $post_excerpt, $post );
588
$post->post_name = '';
594
* Determine if a post exists based on title, content, and date
598
* @param string $title Post title
599
* @param string $content Optional post content
600
* @param string $date Optional post date
601
* @return int Post ID if post exists, 0 otherwise.
603
function post_exists($title, $content = '', $date = '') {
606
$post_title = wp_unslash( sanitize_post_field( 'post_title', $title, 0, 'db' ) );
607
$post_content = wp_unslash( sanitize_post_field( 'post_content', $content, 0, 'db' ) );
608
$post_date = wp_unslash( sanitize_post_field( 'post_date', $date, 0, 'db' ) );
610
$query = "SELECT ID FROM $wpdb->posts WHERE 1=1";
613
if ( !empty ( $date ) ) {
614
$query .= ' AND post_date = %s';
615
$args[] = $post_date;
618
if ( !empty ( $title ) ) {
619
$query .= ' AND post_title = %s';
620
$args[] = $post_title;
623
if ( !empty ( $content ) ) {
624
$query .= 'AND post_content = %s';
625
$args[] = $post_content;
628
if ( !empty ( $args ) )
629
return (int) $wpdb->get_var( $wpdb->prepare($query, $args) );
635
* Creates a new post from the "Write Post" form using $_POST information.
641
function wp_write_post() {
642
if ( isset($_POST['post_type']) )
643
$ptype = get_post_type_object($_POST['post_type']);
645
$ptype = get_post_type_object('post');
647
if ( !current_user_can( $ptype->cap->edit_posts ) ) {
648
if ( 'page' == $ptype->name )
649
return new WP_Error( 'edit_pages', __( 'You are not allowed to create pages on this site.' ) );
651
return new WP_Error( 'edit_posts', __( 'You are not allowed to create posts or drafts on this site.' ) );
654
$_POST['post_mime_type'] = '';
656
// Clear out any data in internal vars.
657
unset( $_POST['filter'] );
659
// Edit don't write if we have a post id.
660
if ( isset( $_POST['post_ID'] ) )
663
if ( isset($_POST['visibility']) ) {
664
switch ( $_POST['visibility'] ) {
666
$_POST['post_password'] = '';
669
unset( $_POST['sticky'] );
672
$_POST['post_status'] = 'private';
673
$_POST['post_password'] = '';
674
unset( $_POST['sticky'] );
679
$translated = _wp_translate_postdata( false );
680
if ( is_wp_error($translated) )
684
$post_ID = wp_insert_post( $_POST );
685
if ( is_wp_error( $post_ID ) )
688
if ( empty($post_ID) )
691
add_meta( $post_ID );
693
add_post_meta( $post_ID, '_edit_last', $GLOBALS['current_user']->ID );
695
// Now that we have an ID we can fix any attachment anchor hrefs
696
_fix_attachment_links( $post_ID );
698
wp_set_post_lock( $post_ID );
704
* Calls wp_write_post() and handles the errors.
708
* @uses wp_write_post()
709
* @uses is_wp_error()
713
function write_post() {
714
$result = wp_write_post();
715
if ( is_wp_error( $result ) )
716
wp_die( $result->get_error_message() );
726
* {@internal Missing Short Description}}
730
* @param unknown_type $post_ID
733
function add_meta( $post_ID ) {
734
$post_ID = (int) $post_ID;
736
$metakeyselect = isset($_POST['metakeyselect']) ? wp_unslash( trim( $_POST['metakeyselect'] ) ) : '';
737
$metakeyinput = isset($_POST['metakeyinput']) ? wp_unslash( trim( $_POST['metakeyinput'] ) ) : '';
738
$metavalue = isset($_POST['metavalue']) ? $_POST['metavalue'] : '';
739
if ( is_string( $metavalue ) )
740
$metavalue = trim( $metavalue );
742
if ( ('0' === $metavalue || ! empty ( $metavalue ) ) && ( ( ( '#NONE#' != $metakeyselect ) && !empty ( $metakeyselect) ) || !empty ( $metakeyinput ) ) ) {
744
* We have a key/value pair. If both the select and the input
745
* for the key have data, the input takes precedence.
747
if ( '#NONE#' != $metakeyselect )
748
$metakey = $metakeyselect;
751
$metakey = $metakeyinput; // default
753
if ( is_protected_meta( $metakey, 'post' ) || ! current_user_can( 'add_post_meta', $post_ID, $metakey ) )
756
$metakey = wp_slash( $metakey );
758
return add_post_meta( $post_ID, $metakey, $metavalue );
765
* {@internal Missing Short Description}}
769
* @param unknown_type $mid
772
function delete_meta( $mid ) {
773
return delete_metadata_by_mid( 'post' , $mid );
777
* Get a list of previously defined keys.
783
function get_meta_keys() {
786
$keys = $wpdb->get_col( "
790
ORDER BY meta_key" );
796
* {@internal Missing Short Description}}
800
* @param unknown_type $mid
803
function get_post_meta_by_id( $mid ) {
804
return get_metadata_by_mid( 'post', $mid );
808
* {@internal Missing Short Description}}
810
* Some postmeta stuff.
814
* @param unknown_type $postid
817
function has_meta( $postid ) {
820
return $wpdb->get_results( $wpdb->prepare("SELECT meta_key, meta_value, meta_id, post_id
821
FROM $wpdb->postmeta WHERE post_id = %d
822
ORDER BY meta_key,meta_id", $postid), ARRAY_A );
826
* {@internal Missing Short Description}}
830
* @param unknown_type $meta_id
831
* @param unknown_type $meta_key Expect Slashed
832
* @param unknown_type $meta_value Expect Slashed
835
function update_meta( $meta_id, $meta_key, $meta_value ) {
836
$meta_key = wp_unslash( $meta_key );
837
$meta_value = wp_unslash( $meta_value );
839
return update_metadata_by_mid( 'post', $meta_id, $meta_value, $meta_key );
847
* Replace hrefs of attachment anchors with up-to-date permalinks.
852
* @param int|object $post Post ID or post object.
853
* @return void|int|WP_Error Void if nothing fixed. 0 or WP_Error on update failure. The post ID on update success.
855
function _fix_attachment_links( $post ) {
856
$post = get_post( $post, ARRAY_A );
857
$content = $post['post_content'];
859
// Don't run if no pretty permalinks or post is not published, scheduled, or privately published.
860
if ( ! get_option( 'permalink_structure' ) || ! in_array( $post['post_status'], array( 'publish', 'future', 'private' ) ) )
863
// Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero)
864
if ( !strpos($content, '?attachment_id=') || !preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) )
867
$site_url = get_bloginfo('url');
868
$site_url = substr( $site_url, (int) strpos($site_url, '://') ); // remove the http(s)
871
foreach ( $link_matches[1] as $key => $value ) {
872
if ( !strpos($value, '?attachment_id=') || !strpos($value, 'wp-att-')
873
|| !preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match )
874
|| !preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) )
877
$quote = $url_match[1]; // the quote (single or double)
878
$url_id = (int) $url_match[2];
879
$rel_id = (int) $rel_match[1];
881
if ( !$url_id || !$rel_id || $url_id != $rel_id || strpos($url_match[0], $site_url) === false )
884
$link = $link_matches[0][$key];
885
$replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link );
887
$content = str_replace( $link, $replace, $content );
891
$post['post_content'] = $content;
892
// Escape data pulled from DB.
893
$post = add_magic_quotes($post);
895
return wp_update_post($post);
900
* Get all the possible statuses for a post_type
904
* @param string $type The post_type you want the statuses for
905
* @return array As array of all the statuses for the supplied post type
907
function get_available_post_statuses($type = 'post') {
908
$stati = wp_count_posts($type);
910
return array_keys(get_object_vars($stati));
914
* Run the wp query to fetch the posts for listing on the edit posts page
918
* @param array|bool $q Array of query variables to use to build the query or false to use $_GET superglobal.
921
function wp_edit_posts_query( $q = false ) {
924
$q['m'] = isset($q['m']) ? (int) $q['m'] : 0;
925
$q['cat'] = isset($q['cat']) ? (int) $q['cat'] : 0;
926
$post_stati = get_post_stati();
928
if ( isset($q['post_type']) && in_array( $q['post_type'], get_post_types() ) )
929
$post_type = $q['post_type'];
933
$avail_post_stati = get_available_post_statuses($post_type);
935
if ( isset($q['post_status']) && in_array( $q['post_status'], $post_stati ) ) {
936
$post_status = $q['post_status'];
940
if ( isset($q['orderby']) )
941
$orderby = $q['orderby'];
942
elseif ( isset($q['post_status']) && in_array($q['post_status'], array('pending', 'draft')) )
943
$orderby = 'modified';
945
if ( isset($q['order']) )
946
$order = $q['order'];
947
elseif ( isset($q['post_status']) && 'pending' == $q['post_status'] )
950
$per_page = "edit_{$post_type}_per_page";
951
$posts_per_page = (int) get_user_option( $per_page );
952
if ( empty( $posts_per_page ) || $posts_per_page < 1 )
953
$posts_per_page = 20;
956
* Filter the number of items per page to show for a specific 'per_page' type.
958
* The dynamic portion of the hook name, $post_type, refers to the post type.
960
* Some examples of filter hooks generated here include: 'edit_attachment_per_page',
961
* 'edit_post_per_page', 'edit_page_per_page', etc.
965
* @param int $posts_per_page Number of posts to display per page for the given post
968
$posts_per_page = apply_filters( "edit_{$post_type}_per_page", $posts_per_page );
971
* Filter the number of posts displayed per page when specifically listing "posts".
975
* @param int $posts_per_page Number of posts to be displayed. Default 20.
976
* @param string $post_type The post type.
978
$posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type );
980
$query = compact('post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page');
982
// Hierarchical types require special args.
983
if ( is_post_type_hierarchical( $post_type ) && !isset($orderby) ) {
984
$query['orderby'] = 'menu_order title';
985
$query['order'] = 'asc';
986
$query['posts_per_page'] = -1;
987
$query['posts_per_archive_page'] = -1;
990
if ( ! empty( $q['show_sticky'] ) )
991
$query['post__in'] = (array) get_option( 'sticky_posts' );
995
return $avail_post_stati;
999
* {@internal Missing Short Description}}
1003
* @param unknown_type $type
1006
function get_available_post_mime_types($type = 'attachment') {
1009
$types = $wpdb->get_col($wpdb->prepare("SELECT DISTINCT post_mime_type FROM $wpdb->posts WHERE post_type = %s", $type));
1014
* Executes a query for attachments. An array of WP_Query arguments
1015
* can be passed in, which will override the arguments set by this function.
1019
* @param array|bool $q Array of query variables to use to build the query or false to use $_GET superglobal.
1022
function wp_edit_attachments_query( $q = false ) {
1026
$q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0;
1027
$q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0;
1028
$q['post_type'] = 'attachment';
1029
$post_type = get_post_type_object( 'attachment' );
1030
$states = 'inherit';
1031
if ( current_user_can( $post_type->cap->read_private_posts ) )
1032
$states .= ',private';
1034
$q['post_status'] = isset( $q['status'] ) && 'trash' == $q['status'] ? 'trash' : $states;
1035
$q['post_status'] = isset( $q['attachment-filter'] ) && 'trash' == $q['attachment-filter'] ? 'trash' : $states;
1037
$media_per_page = (int) get_user_option( 'upload_per_page' );
1038
if ( empty( $media_per_page ) || $media_per_page < 1 )
1039
$media_per_page = 20;
1042
* Filter the number of items to list per page when listing media items.
1046
* @param int $media_per_page Number of media to list. Default 20.
1048
$q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page );
1050
$post_mime_types = get_post_mime_types();
1051
$avail_post_mime_types = get_available_post_mime_types('attachment');
1053
if ( isset($q['post_mime_type']) && !array_intersect( (array) $q['post_mime_type'], array_keys($post_mime_types) ) )
1054
unset($q['post_mime_type']);
1056
foreach( array_keys( $post_mime_types ) as $type ) {
1057
if ( isset( $q['attachment-filter'] ) && "post_mime_type:$type" == $q['attachment-filter'] ) {
1058
$q['post_mime_type'] = $type;
1063
if ( isset( $q['detached'] ) || ( isset( $q['attachment-filter'] ) && 'detached' == $q['attachment-filter'] ) ) {
1064
$q['post_parent'] = 0;
1069
return array($post_mime_types, $avail_post_mime_types);
1073
* Returns the list of classes to be used by a metabox
1075
* @uses get_user_option()
1078
* @param unknown_type $id
1079
* @param unknown_type $page
1082
function postbox_classes( $id, $page ) {
1083
if ( isset( $_GET['edit'] ) && $_GET['edit'] == $id ) {
1084
$classes = array( '' );
1085
} elseif ( $closed = get_user_option('closedpostboxes_'.$page ) ) {
1086
if ( !is_array( $closed ) ) {
1087
$classes = array( '' );
1089
$classes = in_array( $id, $closed ) ? array( 'closed' ) : array( '' );
1092
$classes = array( '' );
1096
* Filter the postbox classes for a specific screen and screen ID combo.
1098
* The dynamic portions of the hook name, $page, and $id, refer to
1099
* the screen, and screen ID, respectively.
1103
* @param array $classes An array of postbox classes.
1105
$classes = apply_filters( "postbox_classes_{$page}_{$id}", $classes );
1106
return implode( ' ', $classes );
1110
* {@internal Missing Short Description}}
1114
* @param int|object $id Post ID or post object.
1115
* @param string $title (optional) Title
1116
* @param string $name (optional) Name
1117
* @return array With two entries of type string
1119
function get_sample_permalink($id, $title = null, $name = null) {
1120
$post = get_post( $id );
1122
return array( '', '' );
1124
$ptype = get_post_type_object($post->post_type);
1126
$original_status = $post->post_status;
1127
$original_date = $post->post_date;
1128
$original_name = $post->post_name;
1130
// Hack: get_permalink() would return ugly permalink for drafts, so we will fake that our post is published.
1131
if ( in_array( $post->post_status, array( 'draft', 'pending' ) ) ) {
1132
$post->post_status = 'publish';
1133
$post->post_name = sanitize_title($post->post_name ? $post->post_name : $post->post_title, $post->ID);
1136
// If the user wants to set a new name -- override the current one
1137
// Note: if empty name is supplied -- use the title instead, see #6072
1138
if ( !is_null($name) )
1139
$post->post_name = sanitize_title($name ? $name : $title, $post->ID);
1141
$post->post_name = wp_unique_post_slug($post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent);
1143
$post->filter = 'sample';
1145
$permalink = get_permalink($post, true);
1147
// Replace custom post_type Token with generic pagename token for ease of use.
1148
$permalink = str_replace("%$post->post_type%", '%pagename%', $permalink);
1150
// Handle page hierarchy
1151
if ( $ptype->hierarchical ) {
1152
$uri = get_page_uri($post);
1153
$uri = untrailingslashit($uri);
1154
$uri = strrev( stristr( strrev( $uri ), '/' ) );
1155
$uri = untrailingslashit($uri);
1157
/** This filter is documented in wp-admin/edit-tag-form.php */
1158
$uri = apply_filters( 'editable_slug', $uri );
1161
$permalink = str_replace('%pagename%', "{$uri}%pagename%", $permalink);
1164
/** This filter is documented in wp-admin/edit-tag-form.php */
1165
$permalink = array( $permalink, apply_filters( 'editable_slug', $post->post_name ) );
1166
$post->post_status = $original_status;
1167
$post->post_date = $original_date;
1168
$post->post_name = $original_name;
1169
unset($post->filter);
1175
* Returns the HTML of the sample permalink slug editor.
1179
* @param int|object $id Post ID or post object.
1180
* @param string $new_title Optional. New title.
1181
* @param string $new_slug Optional. New slug.
1182
* @return string The HTML of the sample permalink slug editor.
1184
function get_sample_permalink_html( $id, $new_title = null, $new_slug = null ) {
1185
$post = get_post( $id );
1189
list($permalink, $post_name) = get_sample_permalink($post->ID, $new_title, $new_slug);
1191
if ( current_user_can( 'read_post', $post->ID ) ) {
1192
$ptype = get_post_type_object( $post->post_type );
1193
$view_post = $ptype->labels->view_item;
1196
if ( 'publish' == get_post_status( $post ) ) {
1197
$title = __('Click to edit this part of the permalink');
1199
$title = __('Temporary permalink. Click to edit this part.');
1202
if ( false === strpos( $permalink, '%postname%' ) && false === strpos( $permalink, '%pagename%' ) ) {
1203
$return = '<strong>' . __('Permalink:') . "</strong>\n" . '<span id="sample-permalink" tabindex="-1">' . $permalink . "</span>\n";
1204
if ( '' == get_option( 'permalink_structure' ) && current_user_can( 'manage_options' ) && !( 'page' == get_option('show_on_front') && $id == get_option('page_on_front') ) ) {
1205
$return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button button-small" target="_blank">' . __('Change Permalinks') . "</a></span>\n";
1208
if ( function_exists( 'mb_strlen' ) ) {
1209
if ( mb_strlen( $post_name ) > 30 ) {
1210
$post_name_abridged = mb_substr( $post_name, 0, 14 ) . '…' . mb_substr( $post_name, -14 );
1212
$post_name_abridged = $post_name;
1215
if ( strlen( $post_name ) > 30 ) {
1216
$post_name_abridged = substr( $post_name, 0, 14 ) . '…' . substr( $post_name, -14 );
1218
$post_name_abridged = $post_name;
1222
$post_name_html = '<span id="editable-post-name" title="' . $title . '">' . $post_name_abridged . '</span>';
1223
$display_link = str_replace( array( '%pagename%', '%postname%' ), $post_name_html, $permalink );
1225
$return = '<strong>' . __( 'Permalink:' ) . "</strong>\n";
1226
$return .= '<span id="sample-permalink" tabindex="-1">' . $display_link . "</span>\n";
1227
$return .= '‎'; // Fix bi-directional text display defect in RTL languages.
1228
$return .= '<span id="edit-slug-buttons"><a href="#post_name" class="edit-slug button button-small hide-if-no-js" onclick="editPermalink(' . $id . '); return false;">' . __( 'Edit' ) . "</a></span>\n";
1229
$return .= '<span id="editable-post-name-full">' . $post_name . "</span>\n";
1232
if ( isset( $view_post ) ) {
1233
if( 'draft' == $post->post_status ) {
1234
$preview_link = set_url_scheme( get_permalink( $post->ID ) );
1235
/** This filter is documented in wp-admin/includes/meta-boxes.php */
1236
$preview_link = apply_filters( 'preview_post_link', add_query_arg( 'preview', 'true', $preview_link ), $post );
1237
$return .= "<span id='view-post-btn'><a href='" . esc_url( $preview_link ) . "' class='button button-small' target='wp-preview-{$post->ID}'>$view_post</a></span>\n";
1239
$return .= "<span id='view-post-btn'><a href='" . get_permalink( $post ) . "' class='button button-small'>$view_post</a></span>\n";
1244
* Filter the sample permalink HTML markup.
1248
* @param string $return Sample permalink HTML markup.
1249
* @param int|WP_Post $id Post object or ID.
1250
* @param string $new_title New sample permalink title.
1251
* @param string $new_slug New sample permalink slug.
1253
$return = apply_filters( 'get_sample_permalink_html', $return, $id, $new_title, $new_slug );
1259
* Output HTML for the post thumbnail meta-box.
1263
* @param int $thumbnail_id ID of the attachment used for thumbnail
1264
* @param mixed $post The post ID or object associated with the thumbnail, defaults to global $post.
1265
* @return string html
1267
function _wp_post_thumbnail_html( $thumbnail_id = null, $post = null ) {
1268
global $content_width, $_wp_additional_image_sizes;
1270
$post = get_post( $post );
1272
$upload_iframe_src = esc_url( get_upload_iframe_src('image', $post->ID ) );
1273
$set_thumbnail_link = '<p class="hide-if-no-js"><a title="' . esc_attr__( 'Set featured image' ) . '" href="%s" id="set-post-thumbnail" class="thickbox">%s</a></p>';
1274
$content = sprintf( $set_thumbnail_link, $upload_iframe_src, esc_html__( 'Set featured image' ) );
1276
if ( $thumbnail_id && get_post( $thumbnail_id ) ) {
1277
$old_content_width = $content_width;
1278
$content_width = 266;
1279
if ( !isset( $_wp_additional_image_sizes['post-thumbnail'] ) )
1280
$thumbnail_html = wp_get_attachment_image( $thumbnail_id, array( $content_width, $content_width ) );
1282
$thumbnail_html = wp_get_attachment_image( $thumbnail_id, 'post-thumbnail' );
1283
if ( !empty( $thumbnail_html ) ) {
1284
$ajax_nonce = wp_create_nonce( 'set_post_thumbnail-' . $post->ID );
1285
$content = sprintf( $set_thumbnail_link, $upload_iframe_src, $thumbnail_html );
1286
$content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail" onclick="WPRemoveThumbnail(\'' . $ajax_nonce . '\');return false;">' . esc_html__( 'Remove featured image' ) . '</a></p>';
1288
$content_width = $old_content_width;
1292
* Filter the admin post thumbnail HTML markup to return.
1296
* @param string $content Admin post thumbnail HTML markup.
1297
* @param int $post_id Post ID.
1299
return apply_filters( 'admin_post_thumbnail_html', $content, $post->ID );
1303
* Check to see if the post is currently being edited by another user.
1307
* @param int $post_id ID of the post to check for editing
1308
* @return bool|int False: not locked or locked by current user. Int: user ID of user with lock.
1310
function wp_check_post_lock( $post_id ) {
1311
if ( !$post = get_post( $post_id ) )
1314
if ( !$lock = get_post_meta( $post->ID, '_edit_lock', true ) )
1317
$lock = explode( ':', $lock );
1319
$user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true );
1321
/** This filter is documented in wp-admin/includes/ajax-actions.php */
1322
$time_window = apply_filters( 'wp_check_post_lock_window', 150 );
1324
if ( $time && $time > time() - $time_window && $user != get_current_user_id() )
1330
* Mark the post as currently being edited by the current user
1334
* @param int $post_id ID of the post to being edited
1335
* @return bool|array Returns false if the post doesn't exist of there is no current user, or
1336
* an array of the lock time and the user ID.
1338
function wp_set_post_lock( $post_id ) {
1339
if ( !$post = get_post( $post_id ) )
1341
if ( 0 == ($user_id = get_current_user_id()) )
1345
$lock = "$now:$user_id";
1347
update_post_meta( $post->ID, '_edit_lock', $lock );
1348
return array( $now, $user_id );
1352
* Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post.
1357
function _admin_notice_post_locked() {
1358
if ( ! $post = get_post() )
1362
if ( $user_id = wp_check_post_lock( $post->ID ) )
1363
$user = get_userdata( $user_id );
1368
* Filter whether to show the post locked dialog.
1370
* Returning a falsey value to the filter will short-circuit displaying the dialog.
1374
* @param bool $display Whether to display the dialog. Default true.
1375
* @param WP_User|bool $user WP_User object on success, false otherwise.
1377
if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) )
1385
if ( $locked && ( $sendback = wp_get_referer() ) &&
1386
false === strpos( $sendback, 'post.php' ) && false === strpos( $sendback, 'post-new.php' ) ) {
1388
$sendback_text = __('Go back');
1390
$sendback = admin_url( 'edit.php' );
1392
if ( 'post' != $post->post_type )
1393
$sendback = add_query_arg( 'post_type', $post->post_type, $sendback );
1395
$sendback_text = get_post_type_object( $post->post_type )->labels->all_items;
1398
$hidden = $locked ? '' : ' hidden';
1401
<div id="post-lock-dialog" class="notification-dialog-wrap<?php echo $hidden; ?>">
1402
<div class="notification-dialog-background"></div>
1403
<div class="notification-dialog">
1407
if ( get_post_type_object( $post->post_type )->public ) {
1408
$preview_link = set_url_scheme( add_query_arg( 'preview', 'true', get_permalink( $post->ID ) ) );
1410
if ( 'publish' == $post->post_status || $user->ID != $post->post_author ) {
1411
// Latest content is in autosave
1412
$nonce = wp_create_nonce( 'post_preview_' . $post->ID );
1413
$preview_link = add_query_arg( array( 'preview_id' => $post->ID, 'preview_nonce' => $nonce ), $preview_link );
1419
/** This filter is documented in wp-admin/includes/meta-boxes.php */
1420
$preview_link = apply_filters( 'preview_post_link', $preview_link, $post );
1423
* Filter whether to allow the post lock to be overridden.
1425
* Returning a falsey value to the filter will disable the ability
1426
* to override the post lock.
1430
* @param bool $override Whether to allow overriding post locks. Default true.
1431
* @param WP_Post $post Post object.
1432
* @param WP_User $user User object.
1434
$override = apply_filters( 'override_post_lock', true, $post, $user );
1435
$tab_last = $override ? '' : ' wp-tab-last';
1438
<div class="post-locked-message">
1439
<div class="post-locked-avatar"><?php echo get_avatar( $user->ID, 64 ); ?></div>
1440
<p class="currently-editing wp-tab-first" tabindex="0">
1442
_e( 'This content is currently locked.' );
1444
printf( ' ' . __( 'If you take over, %s will be blocked from continuing to edit.' ), esc_html( $user->display_name ) );
1449
* Fires inside the post locked dialog before the buttons are displayed.
1453
* @param WP_Post $post Post object.
1455
do_action( 'post_locked_dialog', $post );
1458
<a class="button" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a>
1459
<?php if ( $preview_link ) { ?>
1460
<a class="button<?php echo $tab_last; ?>" href="<?php echo esc_url( $preview_link ); ?>"><?php _e('Preview'); ?></a>
1464
// Allow plugins to prevent some users overriding the post lock
1467
<a class="button button-primary wp-tab-last" href="<?php echo esc_url( add_query_arg( 'get-post-lock', '1', get_edit_post_link( $post->ID, 'url' ) ) ); ?>"><?php _e('Take over'); ?></a>
1477
<div class="post-taken-over">
1478
<div class="post-locked-avatar"></div>
1479
<p class="wp-tab-first" tabindex="0">
1480
<span class="currently-editing"></span><br />
1481
<span class="locked-saving hidden"><img src="images/wpspin_light-2x.gif" width="16" height="16" /> <?php _e('Saving revision...'); ?></span>
1482
<span class="locked-saved hidden"><?php _e('Your latest changes were saved as a revision.'); ?></span>
1486
* Fires inside the dialog displayed when a user has lost the post lock.
1490
* @param WP_Post $post Post object.
1492
do_action( 'post_lock_lost_dialog', $post );
1494
<p><a class="button button-primary wp-tab-last" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a></p>
1506
* Creates autosave data for the specified post from $_POST data.
1508
* @package WordPress
1509
* @subpackage Post_Revisions
1512
* @uses _wp_translate_postdata()
1513
* @uses _wp_post_revision_fields()
1515
* @param mixed $post_data Associative array containing the post data or int post ID.
1516
* @return mixed The autosave revision ID. WP_Error or 0 on error.
1518
function wp_create_post_autosave( $post_data ) {
1519
if ( is_numeric( $post_data ) ) {
1520
$post_id = $post_data;
1521
$post_data = &$_POST;
1523
$post_id = (int) $post_data['post_ID'];
1526
$post_data = _wp_translate_postdata( true, $post_data );
1527
if ( is_wp_error( $post_data ) )
1530
$post_author = get_current_user_id();
1532
// Store one autosave per author. If there is already an autosave, overwrite it.
1533
if ( $old_autosave = wp_get_post_autosave( $post_id, $post_author ) ) {
1534
$new_autosave = _wp_post_revision_fields( $post_data, true );
1535
$new_autosave['ID'] = $old_autosave->ID;
1536
$new_autosave['post_author'] = $post_author;
1538
// If the new autosave has the same content as the post, delete the autosave.
1539
$post = get_post( $post_id );
1540
$autosave_is_different = false;
1541
foreach ( array_intersect( array_keys( $new_autosave ), array_keys( _wp_post_revision_fields() ) ) as $field ) {
1542
if ( normalize_whitespace( $new_autosave[ $field ] ) != normalize_whitespace( $post->$field ) ) {
1543
$autosave_is_different = true;
1548
if ( ! $autosave_is_different ) {
1549
wp_delete_post_revision( $old_autosave->ID );
1553
return wp_update_post( $new_autosave );
1556
// _wp_put_post_revision() expects unescaped.
1557
$post_data = wp_unslash( $post_data );
1559
// Otherwise create the new autosave as a special post revision
1560
return _wp_put_post_revision( $post_data, true );
1564
* Save draft or manually autosave for showing preview.
1566
* @package WordPress
1569
* @uses get_post_status()
1572
* @uses current_user_can()
1574
* @uses wp_create_post_autosave()
1575
* @uses add_query_arg()
1576
* @uses wp_create_nonce()
1578
* @return str URL to redirect to show the preview
1580
function post_preview() {
1582
$post_ID = (int) $_POST['post_ID'];
1583
$_POST['ID'] = $post_ID;
1585
if ( ! $post = get_post( $post_ID ) ) {
1586
wp_die( __( 'You are not allowed to edit this post.' ) );
1589
if ( ! current_user_can( 'edit_post', $post->ID ) ) {
1590
wp_die( __( 'You are not allowed to edit this post.' ) );
1593
$is_autosave = false;
1595
if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author && ( 'draft' == $post->post_status || 'auto-draft' == $post->post_status ) ) {
1596
$saved_post_id = edit_post();
1598
$is_autosave = true;
1600
if ( 'auto-draft' == $_POST['post_status'] )
1601
$_POST['post_status'] = 'draft';
1603
$saved_post_id = wp_create_post_autosave( $post->ID );
1606
if ( is_wp_error( $saved_post_id ) )
1607
wp_die( $saved_post_id->get_error_message() );
1609
$query_args = array( 'preview' => 'true' );
1611
if ( $is_autosave && $saved_post_id ) {
1612
$query_args['preview_id'] = $post->ID;
1613
$query_args['preview_nonce'] = wp_create_nonce( 'post_preview_' . $post->ID );
1615
if ( isset( $_POST['post_format'] ) )
1616
$query_args['post_format'] = empty( $_POST['post_format'] ) ? 'standard' : sanitize_key( $_POST['post_format'] );
1619
$url = add_query_arg( $query_args, get_permalink( $post->ID ) );
1621
/** This filter is documented in wp-admin/includes/meta-boxes.php */
1622
return apply_filters( 'preview_post_link', $url, $post );
1626
* Save a post submitted with XHR
1628
* Intended for use with heartbeat and autosave.js
1632
* @param $post_data Associative array of the submitted post data.
1633
* @return mixed The value 0 or WP_Error on failure. The saved post ID on success.
1634
* Te ID can be the draft post_id or the autosave revision post_id.
1636
function wp_autosave( $post_data ) {
1638
if ( ! defined( 'DOING_AUTOSAVE' ) )
1639
define( 'DOING_AUTOSAVE', true );
1641
$post_id = (int) $post_data['post_id'];
1642
$post_data['ID'] = $post_data['post_ID'] = $post_id;
1644
if ( false === wp_verify_nonce( $post_data['_wpnonce'], 'update-post_' . $post_id ) ) {
1645
return new WP_Error( 'invalid_nonce', __( 'Error while saving.' ) );
1648
$post = get_post( $post_id );
1650
if ( ! current_user_can( 'edit_post', $post->ID ) ) {
1651
return new WP_Error( 'edit_posts', __( 'You are not allowed to edit this item.' ) );
1654
if ( 'auto-draft' == $post->post_status )
1655
$post_data['post_status'] = 'draft';
1657
if ( $post_data['post_type'] != 'page' && ! empty( $post_data['catslist'] ) )
1658
$post_data['post_category'] = explode( ',', $post_data['catslist'] );
1660
if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author && ( 'auto-draft' == $post->post_status || 'draft' == $post->post_status ) ) {
1661
// Drafts and auto-drafts are just overwritten by autosave for the same user if the post is not locked
1662
return edit_post( wp_slash( $post_data ) );
1664
// Non drafts or other users drafts are not overwritten. The autosave is stored in a special post revision for each user.
1665
return wp_create_post_autosave( wp_slash( $post_data ) );