functions-post.php

Revision 5504, 30.4 kB (checked in by markjaquith, 2 years ago)
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Line
1	<?php
2
3	/** DB Functions **/
4
5	/*
6	* generic function for inserting data into the posts table.
7	*/
8	function wp_insert_post($postarr = array()) {
9	global $wpdb, $wp_rewrite, $allowedtags, $user_ID;
10
11	if ( is_object($postarr) )
12	$postarr = get_object_vars($postarr);
13
14	// export array as variables
15	extract($postarr);
16
17	// Are we updating or creating?
18	$update = false;
19	if ( !empty($ID) ) {
20	$update = true;
21	$post = & get_post($ID);
22	$previous_status = $post->post_status;
23	}
24
25	// Get the basics.
26	$post_content = apply_filters('content_save_pre', $post_content);
27	$post_content_filtered = apply_filters('content_filtered_save_pre', $post_content_filtered);
28	$post_excerpt = apply_filters('excerpt_save_pre', $post_excerpt);
29	$post_title = apply_filters('title_save_pre', $post_title);
30	$post_category = apply_filters('category_save_pre', $post_category);
31	$post_status = apply_filters('status_save_pre', $post_status);
32	$post_name = apply_filters('name_save_pre', $post_name);
33	$comment_status = apply_filters('comment_status_pre', $comment_status);
34	$ping_status = apply_filters('ping_status_pre', $ping_status);
35
36	// Make sure we set a valid category
37	if (0 == count($post_category) \|\| !is_array($post_category)) {
38	$post_category = array(get_option('default_category'));
39	}
40	$post_cat = $post_category[0];
41
42	if ( empty($post_author) )
43	$post_author = $user_ID;
44
45	if ( empty($post_status) )
46	$post_status = 'draft';
47
48	// Get the post ID.
49	if ( $update )
50	$post_ID = (int) $ID;
51
52	// Create a valid post name. Drafts are allowed to have an empty
53	// post name.
54	if ( empty($post_name) ) {
55	if ( 'draft' != $post_status )
56	$post_name = sanitize_title($post_title);
57	} else {
58	$post_name = sanitize_title($post_name);
59	}
60
61
62	// If the post date is empty (due to having been new or a draft) and status is not 'draft', set date to now
63	if (empty($post_date)) {
64	if ( 'draft' != $post_status )
65	$post_date = current_time('mysql');
66	}
67
68	if (empty($post_date_gmt)) {
69	if ( 'draft' != $post_status )
70	$post_date_gmt = get_gmt_from_date($post_date);
71	}
72
73	if ( empty($comment_status) ) {
74	if ( $update )
75	$comment_status = 'closed';
76	else
77	$comment_status = get_settings('default_comment_status');
78	}
79	if ( empty($ping_status) )
80	$ping_status = get_settings('default_ping_status');
81	if ( empty($post_pingback) )
82	$post_pingback = get_option('default_pingback_flag');
83
84	if ( isset($to_ping) )
85	$to_ping = preg_replace('\|\s+\|', "\n", $to_ping);
86	else
87	$to_ping = '';
88
89	if ( ! isset($pinged) )
90	$pinged = '';
91
92	if ( isset($post_parent) )
93	$post_parent = (int) $post_parent;
94	else
95	$post_parent = 0;
96
97	if ( isset($menu_order) )
98	$menu_order = (int) $menu_order;
99	else
100	$menu_order = 0;
101
102	if ( !isset($post_password) )
103	$post_password = '';
104
105	if ( ('publish' == $post_status) \|\| ('static' == $post_status) ) {
106	$post_name_check = ('publish' == $post_status)
107	? $wpdb->get_var("SELECT post_name FROM $wpdb->posts WHERE post_name = '$post_name' AND post_status = 'publish' AND ID != '$post_ID' LIMIT 1")
108	: $wpdb->get_var("SELECT post_name FROM $wpdb->posts WHERE post_name = '$post_name' AND post_status = 'static' AND ID != '$post_ID' AND post_parent = '$post_parent' LIMIT 1");
109
110	if ($post_name_check) {
111	$suffix = 2;
112	while ($post_name_check) {
113	$alt_post_name = $post_name . "-$suffix";
114	$post_name_check = ('publish' == $post_status)
115	? $wpdb->get_var("SELECT post_name FROM $wpdb->posts WHERE post_name = '$alt_post_name' AND post_status = 'publish' AND ID != '$post_ID' LIMIT 1")
116	: $wpdb->get_var("SELECT post_name FROM $wpdb->posts WHERE post_name = '$alt_post_name' AND post_status = 'static' AND ID != '$post_ID' AND post_parent = '$post_parent' LIMIT 1");
117	$suffix++;
118	}
119	$post_name = $alt_post_name;
120	}
121	}
122
123	if ($update) {
124	$wpdb->query(
125	"UPDATE IGNORE $wpdb->posts SET
126	post_author = '$post_author',
127	post_date = '$post_date',
128	post_date_gmt = '$post_date_gmt',
129	post_content = '$post_content',
130	post_content_filtered = '$post_content_filtered',
131	post_title = '$post_title',
132	post_excerpt = '$post_excerpt',
133	post_status = '$post_status',
134	comment_status = '$comment_status',
135	ping_status = '$ping_status',
136	post_password = '$post_password',
137	post_name = '$post_name',
138	to_ping = '$to_ping',
139	pinged = '$pinged',
140	post_modified = '".current_time('mysql')."',
141	post_modified_gmt = '".current_time('mysql',1)."',
142	post_parent = '$post_parent',
143	menu_order = '$menu_order'
144	WHERE ID = $post_ID");
145	} else {
146	$wpdb->query(
147	"INSERT IGNORE INTO $wpdb->posts
148	(post_author, post_date, post_date_gmt, post_content, post_content_filtered, post_title, post_excerpt, post_status, comment_status, ping_status, post_password, post_name, to_ping, pinged, post_modified, post_modified_gmt, post_parent, menu_order, post_mime_type)
149	VALUES
150	('$post_author', '$post_date', '$post_date_gmt', '$post_content', '$post_content_filtered', '$post_title', '$post_excerpt', '$post_status', '$comment_status', '$ping_status', '$post_password', '$post_name', '$to_ping', '$pinged', '$post_date', '$post_date_gmt', '$post_parent', '$menu_order', '$post_mime_type')");
151	$post_ID = $wpdb->insert_id;
152	}
153
154	if ( empty($post_name) && 'draft' != $post_status ) {
155	$post_name = sanitize_title($post_title, $post_ID);
156	$wpdb->query( "UPDATE $wpdb->posts SET post_name = '$post_name' WHERE ID = '$post_ID'" );
157	}
158
159	wp_set_post_cats('', $post_ID, $post_category);
160
161	if ( 'static' == $post_status ) {
162	clean_page_cache($post_ID);
163	wp_cache_delete($post_ID, 'pages');
164	} else {
165	clean_post_cache($post_ID);
166	}
167
168	// Set GUID
169	if ( ! $update )
170	$wpdb->query("UPDATE $wpdb->posts SET guid = '" . get_permalink($post_ID) . "' WHERE ID = '$post_ID'");
171
172	if ( $update) {
173	if ($previous_status != 'publish' && $post_status == 'publish') {
174	// Reset GUID if transitioning to publish.
175	$wpdb->query("UPDATE $wpdb->posts SET guid = '" . get_permalink($post_ID) . "' WHERE ID = '$post_ID'");
176	do_action('private_to_published', $post_ID);
177	}
178
179	do_action('edit_post', $post_ID);
180	}
181
182	if ($post_status == 'publish') {
183	do_action('publish_post', $post_ID);
184
185	if ( !defined('WP_IMPORTING') ) {
186	if ( $post_pingback )
187	$result = $wpdb->query("
188	INSERT INTO $wpdb->postmeta
189	(post_id,meta_key,meta_value)
190	VALUES ('$post_ID','_pingme','1')
191	");
192	$result = $wpdb->query("
193	INSERT INTO $wpdb->postmeta
194	(post_id,meta_key,meta_value)
195	VALUES ('$post_ID','_encloseme','1')
196	");
197	spawn_pinger();
198	}
199	} else if ($post_status == 'static') {
200	wp_cache_delete('all_page_ids', 'pages');
201	$wp_rewrite->flush_rules();
202
203	if ( !empty($page_template) )
204	if ( ! update_post_meta($post_ID, '_wp_page_template', $page_template))
205	add_post_meta($post_ID, '_wp_page_template', $page_template, true);
206	}
207
208	do_action('save_post', $post_ID);
209	do_action('wp_insert_post', $post_ID);
210
211	return $post_ID;
212	}
213
214	function wp_insert_attachment($object, $file = false, $post_parent = 0) {
215	global $wpdb, $user_ID;
216
217	if ( is_object($object) )
218	$object = get_object_vars($object);
219
220	// Export array as variables
221	extract($object);
222
223	// Get the basics.
224	$post_content = apply_filters('content_save_pre', $post_content);
225	$post_content_filtered = apply_filters('content_filtered_save_pre', $post_content_filtered);
226	$post_excerpt = apply_filters('excerpt_save_pre', $post_excerpt);
227	$post_title = apply_filters('title_save_pre', $post_title);
228	$post_category = apply_filters('category_save_pre', $post_category);
229	$post_name = apply_filters('name_save_pre', $post_name);
230	$comment_status = apply_filters('comment_status_pre', $comment_status);
231	$ping_status = apply_filters('ping_status_pre', $ping_status);
232	$post_mime_type = apply_filters('post_mime_type_pre', $post_mime_type);
233
234	// Make sure we set a valid category
235	if (0 == count($post_category) \|\| !is_array($post_category)) {
236	$post_category = array(get_option('default_category'));
237	}
238	$post_cat = $post_category[0];
239
240	if ( empty($post_author) )
241	$post_author = $user_ID;
242
243	$post_status = 'attachment';
244
245	// Are we updating or creating?
246	$update = false;
247	if ( !empty($ID) ) {
248	$update = true;
249	$post_ID = $ID;
250	}
251
252	// Create a valid post name.
253	if ( empty($post_name) )
254	$post_name = sanitize_title($post_title);
255	else
256	$post_name = sanitize_title($post_name);
257
258	if (empty($post_date))
259	$post_date = current_time('mysql');
260	if (empty($post_date_gmt))
261	$post_date_gmt = current_time('mysql', 1);
262
263	if ( empty($comment_status) ) {
264	if ( $update )
265	$comment_status = 'closed';
266	else
267	$comment_status = get_settings('default_comment_status');
268	}
269	if ( empty($ping_status) )
270	$ping_status = get_settings('default_ping_status');
271	if ( empty($post_pingback) )
272	$post_pingback = get_option('default_pingback_flag');
273
274	if ( isset($to_ping) )
275	$to_ping = preg_replace('\|\s+\|', "\n", $to_ping);
276	else
277	$to_ping = '';
278
279	if ( isset($post_parent) )
280	$post_parent = (int) $post_parent;
281	else
282	$post_parent = 0;
283
284	if ( isset($menu_order) )
285	$menu_order = (int) $menu_order;
286	else
287	$menu_order = 0;
288
289	if ( !isset($post_password) )
290	$post_password = '';
291
292	if ( isset($to_ping) )
293	$to_ping = preg_replace('\|\s+\|', "\n", $to_ping);
294	else
295	$to_ping = '';
296
297	if ( ! isset($pinged) )
298	$pinged = '';
299
300	if ($update) {
301	$wpdb->query(
302	"UPDATE $wpdb->posts SET
303	post_author = '$post_author',
304	post_date = '$post_date',
305	post_date_gmt = '$post_date_gmt',
306	post_content = '$post_content',
307	post_content_filtered = '$post_content_filtered',
308	post_title = '$post_title',
309	post_excerpt = '$post_excerpt',
310	post_status = '$post_status',
311	comment_status = '$comment_status',
312	ping_status = '$ping_status',
313	post_password = '$post_password',
314	post_name = '$post_name',
315	to_ping = '$to_ping',
316	pinged = '$pinged',
317	post_modified = '".current_time('mysql')."',
318	post_modified_gmt = '".current_time('mysql',1)."',
319	post_parent = '$post_parent',
320	menu_order = '$menu_order',
321	post_mime_type = '$post_mime_type',
322	guid = '$guid'
323	WHERE ID = $post_ID");
324	} else {
325	$wpdb->query(
326	"INSERT INTO $wpdb->posts
327	(post_author, post_date, post_date_gmt, post_content, post_content_filtered, post_title, post_excerpt, post_status, comment_status, ping_status, post_password, post_name, to_ping, pinged, post_modified, post_modified_gmt, post_parent, menu_order, post_mime_type, guid)
328	VALUES
329	('$post_author', '$post_date', '$post_date_gmt', '$post_content', '$post_content_filtered', '$post_title', '$post_excerpt', '$post_status', '$comment_status', '$ping_status', '$post_password', '$post_name', '$to_ping', '$pinged', '$post_date', '$post_date_gmt', '$post_parent', '$menu_order', '$post_mime_type', '$guid')");
330	$post_ID = $wpdb->insert_id;
331	}
332
333	if ( empty($post_name) ) {
334	$post_name = sanitize_title($post_title, $post_ID);
335	$wpdb->query( "UPDATE $wpdb->posts SET post_name = '$post_name' WHERE ID = '$post_ID'" );
336	}
337
338	wp_set_post_cats('', $post_ID, $post_category);
339
340	if ( $file )
341	add_post_meta($post_ID, '_wp_attached_file', $file);
342
343	clean_post_cache($post_ID);
344
345	if ( $update) {
346	do_action('edit_attachment', $post_ID);
347	} else {
348	do_action('add_attachment', $post_ID);
349	}
350
351	return $post_ID;
352	}
353
354	function wp_delete_attachment($postid) {
355	global $wpdb;
356	$postid = (int) $postid;
357
358	if ( !$post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID = '$postid'") )
359	return $post;
360
361	if ( 'attachment' != $post->post_status )
362	return false;
363
364	$meta = get_post_meta($postid, '_wp_attachment_metadata', true);
365	$file = get_post_meta($postid, '_wp_attached_file', true);
366
367	$wpdb->query("DELETE FROM $wpdb->posts WHERE ID = '$postid'");
368
369	$wpdb->query("DELETE FROM $wpdb->comments WHERE comment_post_ID = '$postid'");
370
371	$wpdb->query("DELETE FROM $wpdb->post2cat WHERE post_id = '$postid'");
372
373	$wpdb->query("DELETE FROM $wpdb->postmeta WHERE post_id = '$postid'");
374
375	if ( ! empty($meta['thumb']) ) {
376	// Don't delete the thumb if another attachment uses it
377	if (! $foo = $wpdb->get_row("SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE '%".$wpdb->escape($meta['thumb'])."%' AND post_id <> '$postid'"))
378	@ unlink(str_replace(basename($file), $meta['thumb'], $file));
379	}
380
381	if ( ! empty($file) )
382	@ unlink($file);
383
384	do_action('delete_attachment', $postid);
385
386	return $post;
387	}
388
389	function wp_get_single_post($postid = 0, $mode = OBJECT) {
390	global $wpdb;
391
392	$post = get_post($postid, $mode);
393
394	// Set categories
395	if($mode == OBJECT) {
396	$post->post_category = wp_get_post_cats('',$postid);
397	}
398	else {
399	$post['post_category'] = wp_get_post_cats('',$postid);
400	}
401
402	return $post;
403	}
404
405	function wp_get_recent_posts($num = 10) {
406	global $wpdb;
407
408	// Set the limit clause, if we got a limit
409	$num = (int) $num;
410	if ($num) {
411	$limit = "LIMIT $num";
412	}
413
414	$sql = "SELECT * FROM $wpdb->posts WHERE post_status IN ('publish', 'draft', 'private') ORDER BY post_date DESC $limit";
415	$result = $wpdb->get_results($sql,ARRAY_A);
416
417	return $result?$result:array();
418	}
419
420	function wp_update_post($postarr = array()) {
421	global $wpdb;
422
423	if ( is_object($postarr) )
424	$postarr = get_object_vars($postarr);
425
426	// First, get all of the original fields
427	$post = wp_get_single_post($postarr['ID'], ARRAY_A);
428
429	// Escape data pulled from DB.
430	$post = add_magic_quotes($post);
431
432	// Passed post category list overwrites existing category list if not empty.
433	if ( isset($postarr['post_category']) && is_array($postarr['post_category'])
434	&& 0 != count($postarr['post_category']) )
435	$post_cats = $postarr['post_category'];
436	else
437	$post_cats = $post['post_category'];
438
439	// Drafts shouldn't be assigned a date unless explicitly done so by the user
440	if ( 'draft' == $post['post_status'] && empty($postarr['edit_date']) && empty($postarr['post_date']) &&
441	('0000-00-00 00:00:00' == $post['post_date']) )
442	$clear_date = true;
443	else
444	$clear_date = false;
445
446	// Merge old and new fields with new fields overwriting old ones.
447	$postarr = array_merge($post, $postarr);
448	$postarr['post_category'] = $post_cats;
449	if ( $clear_date ) {
450	$postarr['post_date'] = '';
451	$postarr['post_date_gmt'] = '';
452	}
453
454	if ($postarr['post_status'] == 'attachment')
455	return wp_insert_attachment($postarr);
456
457	return wp_insert_post($postarr);
458	}
459
460	function wp_get_post_cats($blogid = '1', $post_ID = 0) {
461	global $wpdb;
462
463	$post_ID = (int) $post_ID;
464
465	$sql = "SELECT category_id
466	FROM $wpdb->post2cat
467	WHERE post_id = '$post_ID'
468	ORDER BY category_id";
469
470	$result = $wpdb->get_col($sql);
471
472	if ( !$result )
473	$result = array();
474
475	return array_unique($result);
476	}
477
478	function wp_set_post_cats($blogid = '1', $post_ID = 0, $post_categories = array()) {
479	global $wpdb;
480
481	$post_ID = (int) $post_ID;
482
483	// If $post_categories isn't already an array, make it one:
484	if (!is_array($post_categories) \|\| 0 == count($post_categories))
485	$post_categories = array(get_option('default_category'));
486
487	$post_categories = array_unique($post_categories);
488
489	// First the old categories
490	$old_categories = $wpdb->get_col("
491	SELECT category_id
492	FROM $wpdb->post2cat
493	WHERE post_id = '$post_ID'");
494
495	if (!$old_categories) {
496	$old_categories = array();
497	} else {
498	$old_categories = array_unique($old_categories);
499	}
500
501	// Delete any?
502	$delete_cats = array_diff($old_categories,$post_categories);
503
504	if ($delete_cats) {
505	foreach ($delete_cats as $del) {
506	$wpdb->query("
507	DELETE FROM $wpdb->post2cat
508	WHERE category_id = '$del'
509	AND post_id = '$post_ID'
510	");
511	}
512	}
513
514	// Add any?
515	$add_cats = array_diff($post_categories, $old_categories);
516
517	if ($add_cats) {
518	foreach ($add_cats as $new_cat) {
519	$new_cat = (int) $new_cat;
520	if ( !empty($new_cat) )
521	$wpdb->query("
522	INSERT INTO $wpdb->post2cat (post_id, category_id)
523	VALUES ('$post_ID', '$new_cat')");
524	}
525	}
526
527	// Update category counts.
528	$all_affected_cats = array_unique(array_merge($post_categories, $old_categories));
529	foreach ( $all_affected_cats as $cat_id ) {
530	$count = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->post2cat, $wpdb->posts WHERE $wpdb->posts.ID=$wpdb->post2cat.post_id AND post_status='publish' AND category_id = '$cat_id'"