s2member / includes / classes / utils-gets.inc.php

utils-gets.inc.php in s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions 111216, at includes/classes/utils-gets.inc.php

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1	<?php
2	/**
3	* Get utilities.
4	*
5	* Copyright: © 2009-2011
6	* {@link http://www.websharks-inc.com/ WebSharks, Inc.}
7	* ( coded in the USA )
8	*
9	* Released under the terms of the GNU General Public License.
10	* You should have received a copy of the GNU General Public License,
11	* along with this software. In the main directory, see: /licensing/
12	* If not, see: {@link http://www.gnu.org/licenses/}.
13	*
14	* @package s2Member\Utilities
15	* @since 3.5
16	*/
17	if (realpath (__FILE__) === realpath ($_SERVER["SCRIPT_FILENAME"]))
18	exit ("Do not access this file directly.");
19	/**/
20	if (!class_exists ("c_ws_plugin__s2member_utils_gets"))
21	{
22	/**
23	* Get utilities.
24	*
25	* @package s2Member\Utilities
26	* @since 3.5
27	*/
28	class c_ws_plugin__s2member_utils_gets
29	{
30	/**
31	* Retrieves a unique array of all Category IDs in the database.
32	*
33	* @package s2Member\Utilities
34	* @since 3.5
35	*
36	* @uses {@link http://codex.wordpress.org/Function_Reference/get_all_category_ids get_all_category_ids()}
37	*
38	* @return array Unique array of all Category IDs ( as integers ).
39	*/
40	public static function get_all_category_ids ()
41	{
42	if (is_array ($category_ids = /* Uses the WordPress® function for this. */ get_all_category_ids ()))
43	$category_ids = c_ws_plugin__s2member_utils_arrays::force_integers ($category_ids);
44	/**/
45	return (!empty ($category_ids) && is_array ($category_ids)) ? array_unique ($category_ids) : array ();
46	}
47	/**
48	* Retrieves a unique array of all child Category IDs, within a specific parent Category.
49	*
50	* @package s2Member\Utilities
51	* @since 3.5
52	*
53	* @param int\|str $parent_category A numeric Category ID.
54	* @return array Unique array of all Category IDs ( as integers ) in ``$parent_category``.
55	*/
56	public static function get_all_child_category_ids ($parent_category = FALSE)
57	{
58	if (is_numeric ($parent_category) && is_array ($child_categories = get_categories ("child_of=" . $parent_category . "&hide_empty=0")))
59	foreach ($child_categories as /* Go through child Categories. */ $child_category)
60	$child_category_ids[] = (int)$child_category->term_id;
61	/**/
62	return (!empty ($child_category_ids) && is_array ($child_category_ids)) ? array_unique ($child_category_ids) : array ();
63	}
64	/**
65	* Retrieves a unique array of all Tag IDs in the database.
66	*
67	* @package s2Member\Utilities
68	* @since 3.5
69	*
70	* @return array Unique array of all Tag IDs ( as integers ).
71	*/
72	public static function get_all_tag_ids ()
73	{
74	foreach ((array)get_tags ("hide_empty=0") as $tag)
75	$tag_ids[] = (int)$tag->term_id; /* Collect Tag's ID. */
76	/**/
77	return (!empty ($tag_ids) && is_array ($tag_ids)) ? array_unique ($tag_ids) : array ();
78	}
79	/**
80	* Converts a comma-delimited list of: Tag slugs/names/ids, into a unique array of all IDs.
81	*
82	* @package s2Member\Utilities
83	* @since 111101
84	*
85	* @param str $tags Tag slugs/names/IDs; comma-delimited.
86	* @return array Unique array of Tag IDs ( as integers ). With Tag slugs/names converted to IDs.
87	*/
88	public static function get_tags_converted_to_ids ($tags = FALSE)
89	{
90	foreach (preg_split ("/[\r\n\t;,]+/", (string)$tags) as $tag)
91	{
92	if (($tag = trim ($tag)) && is_numeric ($tag)) /* Force integers. */
93	$tag_ids[] = ($tag_id = (int)$tag); /* Force integer values here. */
94	/**/
95	else if ($tag && is_string /* A string ( i.e. a tag name or a tag slug )? */ ($tag))
96	{
97	if (is_object ($term = get_term_by ("name", $tag, "post_tag")))
98	$tag_ids[] = (int)$term->term_id;
99	/**/
100	else if (is_object ($term = get_term_by ("slug", $tag, "post_tag")))
101	$tag_ids[] = (int)$term->term_id;
102	}
103	}
104	return (!empty ($tag_ids) && is_array ($tag_ids)) ? array_unique ($tag_ids) : array ();
105	}
106	/**
107	* Retrieves a unique array of all published Post IDs in the database.
108	*
109	* @package s2Member\Utilities
110	* @since 3.5
111	*
112	* @param str $post_type Optional. If provided, return all Post IDs of a specific Post Type.
113	* Otherwise, return all Post IDs that are NOT of these Post Types: `page\|attachment\|nav_menu_item\|revision`.
114	* @return array Unique array of all Post IDs ( as integers ), including Custom Post Types; or all Post IDs of a specific Post Type.
115	*/
116	public static function get_all_post_ids ($post_type = FALSE)
117	{
118	global $wpdb; /* Need this global DB object reference here. */
119	/**/
120	if (is_array ($post_ids = $wpdb->get_col ("SELECT `ID` FROM `" . $wpdb->posts . "` WHERE `post_status` = 'publish' AND " . (($post_type) ? "`post_type` = '" . esc_sql ((string)$post_type) . "'" : "`post_type` NOT IN('page','attachment','nav_menu_item','revision')"))))
121	$post_ids = c_ws_plugin__s2member_utils_arrays::force_integers ($post_ids);
122	/**/
123	return (!empty ($post_ids) && is_array ($post_ids)) ? array_unique ($post_ids) : array ();
124	}
125	/**
126	* Retrieves a unique array of all published Page IDs in the database.
127	*
128	* @package s2Member\Utilities
129	* @since 3.5
130	*
131	* @return array Unique array of all Page IDs ( as integers ).
132	*/
133	public static function get_all_page_ids ()
134	{
135	global $wpdb; /* Need this global DB object reference here. */
136	/**/
137	if (is_array ($page_ids = $wpdb->get_col ("SELECT `ID` FROM `" . $wpdb->posts . "` WHERE `post_status` = 'publish' AND `post_type` = 'page'")))
138	$page_ids = c_ws_plugin__s2member_utils_arrays::force_integers ($page_ids);
139	/**/
140	return (!empty ($page_ids) && is_array ($page_ids)) ? array_unique ($page_ids) : array ();
141	}
142	/**
143	* Retrieves a unique array of all Singular IDs in the database that require Custom Capabilities.
144	*
145	* @package s2Member\Utilities
146	* @since 111101
147	*
148	* @return array Unique array of all Singular IDs ( as integers ) that require Custom Capabilities.
149	*/
150	public static function get_all_singular_ids_with_ccaps ()
151	{
152	global $wpdb; /* Need this global DB object reference here. */
153	/**/
154	if (is_array ($singular_ids = $wpdb->get_col ("SELECT `post_id` FROM `" . $wpdb->postmeta . "` WHERE `meta_key` = 's2member_ccaps_req' AND `meta_value` != ''")))
155	$singular_ids = c_ws_plugin__s2member_utils_arrays::force_integers ($singular_ids);
156	/**/
157	return (!empty ($singular_ids) && is_array ($singular_ids)) ? array_unique ($singular_ids) : array ();
158	}
159	/**
160	* Retrieves a unique array of unavailable Singular IDs that require Custom Capabilities.
161	*
162	* Only returns Singular IDs that require Custom Capabilities;
163	* and ONLY those which are NOT satisfied by ``$user``.
164	*
165	* @package s2Member\Utilities
166	* @since 111101
167	*
168	* @param obj $user Optional. A `WP_User` object. If this is a valid `WP_User` object, test against this ``$user``, else all are unavailable.
169	* @return array Unique array of all Singular IDs ( as integers ) NOT available to ``$user``, due to Custom Capability Restrictions.
170	*/
171	public static function get_unavailable_singular_ids_with_ccaps ($user = FALSE)
172	{
173	global $wpdb; /* Need this global DB object reference here. */
174	/**/
175	if (is_array ($results = $wpdb->get_results ("SELECT `post_id`, `meta_value` FROM `" . $wpdb->postmeta . "` WHERE `meta_key` = 's2member_ccaps_req' AND `meta_value` != ''")))
176	foreach ($results as $r) /* Now we need to check Custom Capabilities against ``$user``. If ``$user`` is a valid `WP_User` object, else all are unavailable. */
177	{
178	if (!is_object ($user) \|\| empty ($user->ID)) /* No ``$user`` object? Maybe not logged-in?. */
179	$singular_ids[] = (int)$r->post_id; /* It's NOT available. There is no ``$user``. */
180	/**/
181	else if (is_array ($ccaps = /* Make sure we unserialize. */ @unserialize ($r->meta_value)))
182	{
183	foreach ($ccaps as $ccap) /* Test for Custom Capability Restrictions now. */
184	if (strlen ($ccap) && !$user->has_cap ("access_s2member_ccap_" . $ccap))
185	{
186	$singular_ids[] = (int)$r->post_id; /* It's NOT available. */
187	break; /* Break now, no need to continue in this loop. */
188	}
189	}
190	}
191	return (!empty ($singular_ids) && is_array ($singular_ids)) ? array_unique ($singular_ids) : array ();
192	}
193	/**
194	* Retrieves a unique array of all Singular IDs that require Specific Post/Page Access.
195	*
196	* @package s2Member\Utilities
197	* @since 111101
198	*
199	* @param bool $exclude_conflicts Optional. Defaults to false. If true, return ONLY those which are NOT in conflict with any other Restriction Types.
200	* The ``$exclude_conflicts`` argument should be used whenever we introduce a list of option values to a site owner. Helping them avoid mishaps.
201	* Please note, the ``$exclude_conflicts`` argument implements a resource-intensive processing routine.
202	* @return array Unique array of all Singular IDs ( as integers ) that require Specific Post/Page Access.
203	*/
204	public static function get_all_singular_ids_with_sp ($exclude_conflicts = FALSE)
205	{
206	if (is_array (($singular_ids = ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["specific_ids"] && is_array ($singular_ids = preg_split ("/[\r\n\t\s;,]+/", $GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["specific_ids"]))) ? $singular_ids : array ())))
207	$singular_ids = c_ws_plugin__s2member_utils_arrays::force_integers ($singular_ids);
208	/**/
209	if (!empty ($singular_ids) && is_array ($singular_ids) && $exclude_conflicts /* Return ONLY those which are NOT in conflict with other Restrictions? */)
210	{
211	$x_ids = array ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["login_welcome_page"], $GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["membership_options_page"], $GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["file_download_limit_exceeded_page"]);
212	/**/
213	$x_ids = array_merge ($x_ids, c_ws_plugin__s2member_utils_gets::get_all_singular_ids_with_ccaps ());
214	/**/
215	for ($n = 0; $n <= $GLOBALS["WS_PLUGIN__"]["s2member"]["c"]["levels"]; $n++)
216	{
217	if ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_catgs"] === "all")
218	{
219	$catgs = c_ws_plugin__s2member_utils_gets::get_all_category_ids ();
220	$x_ids = array_merge ($x_ids, c_ws_plugin__s2member_utils_gets::get_singular_ids_in_terms ($catgs));
221	continue; /* Continue. The `all` specification is absolute. There's nothing more. */
222	}
223	/**/
224	foreach (($catgs = preg_split ("/[\r\n\t\s;,]+/", $GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_catgs"])) as $catg)
225	$catgs = array_merge ($catgs, c_ws_plugin__s2member_utils_gets::get_all_child_category_ids ($catg));
226	/**/
227	$x_ids = /* Exclude the full list. */ array_merge ($x_ids, c_ws_plugin__s2member_utils_gets::get_singular_ids_in_terms ($catgs));
228	unset /* Just a little housekeeping here. */ ($catgs, $catg);
229	}
230	/**/
231	for ($n = 0; $n <= $GLOBALS["WS_PLUGIN__"]["s2member"]["c"]["levels"]; $n++)
232	{
233	if ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_ptags"] === "all")
234	{
235	$tags = c_ws_plugin__s2member_utils_gets::get_all_tag_ids ();
236	$x_ids = array_merge ($x_ids, c_ws_plugin__s2member_utils_gets::get_singular_ids_in_terms ($tags));
237	continue; /* Continue. The `all` specification is absolute. There's nothing more. */
238	}
239	/**/
240	$tags = c_ws_plugin__s2member_utils_gets::get_tags_converted_to_ids ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_ptags"]);
241	/**/
242	$x_ids = /* Exclude the full list. */ array_merge ($x_ids, c_ws_plugin__s2member_utils_gets::get_singular_ids_in_terms ($tags));
243	unset /* Just a little housekeeping here. */ ($tags);
244	}
245	/**/
246	for ($n = 0; $n <= $GLOBALS["WS_PLUGIN__"]["s2member"]["c"]["levels"]; $n++)
247	{
248	if ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_posts"] === "all")
249	{
250	$x_ids = array_merge ($x_ids, c_ws_plugin__s2member_utils_gets::get_all_post_ids ());
251	continue; /* Continue. The `all` specification is absolute. There's nothing more. */
252	}
253	/**/
254	foreach (($posts = preg_split ("/[\r\n\t\s;,]+/", $GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_posts"])) as $p)
255	if (strpos ($p, "all-") === 0 && preg_match ("/^all-(.+)$/", $p, $m) /* Protecting `all-` of a specific Post Type? */)
256	if (is_array ($p_of_type = c_ws_plugin__s2member_utils_gets::get_all_post_ids ($m[1])) && !empty ($p_of_type))
257	$x_ids = array_merge /* Merge all Posts of this Post Type. */ ($x_ids, $p_of_type);
258	/**/
259	$x_ids = /* Exclude the full list too. */ array_merge ($x_ids, $posts);
260	unset /* Just a little housekeeping here. */ ($posts, $p, $m, $p_of_type);
261	}
262	/**/
263	for ($n = 0; $n <= $GLOBALS["WS_PLUGIN__"]["s2member"]["c"]["levels"]; $n++)
264	{
265	if ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_pages"] === "all")
266	{
267	$x_ids = array_merge ($x_ids, c_ws_plugin__s2member_utils_gets::get_all_page_ids ());
268	continue; /* Continue. The `all` specification is absolute. There's nothing more. */
269	}
270	/**/
271	$pages = preg_split ("/[\r\n\t\s;,]+/", $GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["level" . $n . "_pages"]);
272	/**/
273	$x_ids = /* Exclude the full list. */ array_merge ($x_ids, $pages);
274	unset /* Just a little housekeeping here. */ ($pages);
275	}
276	/**/
277	$x_ids = array_unique (c_ws_plugin__s2member_utils_arrays::force_integers ($x_ids));
278	$singular_ids = /* Exclude all of the ``$x_ids`` now. */ array_diff ($singular_ids, $x_ids);
279	}
280	return (!empty ($singular_ids) && is_array ($singular_ids)) ? array_unique ($singular_ids) : array ();
281	}
282	/**
283	* Retrieves a unique array of unavailable Singular IDs that require Specific Post/Page Access.
284	*
285	* Only returns Singular IDs that require Specific Post/Page Access;
286	* and ONLY those which are NOT satisfied by the current Visitor.
287	*
288	* @package s2Member\Utilities
289	* @since 111101
290	*
291	* @param bool $exclude_conflicts Optional. Defaults to false. If true, return ONLY those which are NOT in conflict with any other Restriction Types.
292	* The ``$exclude_conflicts`` argument should be used whenever we introduce a list of option values to a site owner. Helping them avoid mishaps.
293	* Please note, the ``$exclude_conflicts`` argument implements a resource-intensive processing routine.
294	* @return array Unique array of all Singular IDs ( as integers ) NOT available to current Visitor, due to Specific Post/Page Restrictions.
295	*/
296	public static function get_unavailable_singular_ids_with_sp ($exclude_conflicts = FALSE)
297	{
298	if ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["specific_ids"] && is_array ($_singular_ids = preg_split ("/[\r\n\t\s;,]+/", $GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["specific_ids"])))
299	foreach ($_singular_ids as $_singular_id) /* Now check access to this Singular, against the current Visitor, via read-only ``c_ws_plugin__s2member_sp_access::sp_access()``. */
300	if (is_numeric ($_singular_id) && !c_ws_plugin__s2member_sp_access::sp_access ($_singular_id, "read-only"))
301	$singular_ids[] = (int)$_singular_id;
302	/**/
303	if (!empty ($singular_ids) && is_array ($singular_ids) /* And, are we excluding conflicts in this instance? */ && $exclude_conflicts)
304	{
305	$all_singular_ids_not_conflicting = c_ws_plugin__s2member_utils_gets::get_all_singular_ids_with_sp ("exclude-conflicts");
306	foreach /* Weed out anything that's in conflict here. */ ($singular_ids as $s => $singular_id)
307	if (!in_array ($singular_id, $all_singular_ids_not_conflicting))
308	unset ($singular_ids[$s]);
309	}
310	/**/
311	return (!empty ($singular_ids) && is_array ($singular_ids)) ? array_unique ($singular_ids) : array ();
312	}
313	/**
314	* Retrieves a unique array of all published Singulars, protected with Specific Post/Page Access.
315	*
316	* @package s2Member\Utilities
317	* @since 111101
318	*
319	* @uses {@link http://codex.wordpress.org/Function_Reference/get_posts get_posts()}
320	*
321	* @param bool $exclude_conflicts Optional. Defaults to false. If true, return ONLY those which are NOT in conflict with any other Restriction Types.
322	* The ``$exclude_conflicts`` argument should be used whenever we introduce a list of option values to a site owner. Helping them avoid mishaps.
323	* Please note, the ``$exclude_conflicts`` argument implements a resource-intensive processing routine.
324	* @return array Unique array of all Singulars (i.e. Posts/Pages ) protected with Specific Post/Page Access.
325	* Includes Custom Post Types also, as specified by site owner's Specific Post/Page Restrictions.
326	*/
327	public static function get_all_singulars_with_sp ($exclude_conflicts = FALSE)
328	{
329	$singulars = ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["specific_ids"] && is_array ($singulars = get_posts ("post_status=publish&post_type=any&include=" . $GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["specific_ids"]))) ? $singulars : array ();
330	/**/
331	if (!empty ($singulars) && is_array ($singulars) /* And, are we excluding conflicts in this instance? */ && $exclude_conflicts)
332	{
333	$all_singular_ids_not_conflicting = c_ws_plugin__s2member_utils_gets::get_all_singular_ids_with_sp ("exclude-conflicts");
334	foreach /* Weed out anything that's in conflict here. */ ($singulars as $s => $singular)
335	if (!in_array ($singular->ID, $all_singular_ids_not_conflicting))
336	unset ($singulars[$s]);
337	}
338	return (!empty ($singulars) && is_array ($singulars)) ? c_ws_plugin__s2member_utils_arrays::array_unique ($singulars) : array ();
339	}
340	/**
341	* Retrieves a unique array of Singular IDs in the database, within specific term IDs.
342	*
343	* Only returns Singular IDs that are within the ``$terms`` passed through this function.
344	*
345	* @package s2Member\Utilities
346	* @since 110912
347	*
348	* @param array $terms Required. An array of term IDs.
349	* @return array Unique array of all Singular IDs ( as integers ) within the ``$terms`` passed through this function.
350	*/
351	public static function get_singular_ids_in_terms ($terms = FALSE)
352	{
353	global $wpdb; /* Need this global DB object reference here. */
354	/**/
355	if (!empty ($terms) && is_array ($terms) && is_array ($singular_ids = $wpdb->get_col ("SELECT `object_id` FROM `" . $wpdb->term_relationships . "` WHERE `term_taxonomy_id` IN (SELECT `term_taxonomy_id` FROM `" . $wpdb->term_taxonomy . "` WHERE `term_id` IN('" . implode ("','", $terms) . "'))")))
356	$singular_ids = c_ws_plugin__s2member_utils_arrays::force_integers ($singular_ids);
357	/**/
358	return (!empty ($singular_ids) && is_array ($singular_ids)) ? array_unique ($singular_ids) : array ();
359	}
360	}
361	}
362	?>