1 | <?php |
2 | /** |
3 | * WordPress Post Template Functions. |
4 | * |
5 | * Gets content for the current post in the loop. |
6 | * |
7 | * @package WordPress |
8 | * @subpackage Template |
9 | */ |
10 | |
11 | /** |
12 | * Display the ID of the current item in the WordPress Loop. |
13 | * |
14 | * @since 0.71 |
15 | * @uses $id |
16 | */ |
17 | function the_ID() { |
18 | global $id; |
19 | echo $id; | //Cross Site Scripting
|
20 | } |
21 | |
22 | /** |
23 | * Retrieve the ID of the current item in the WordPress Loop. |
24 | * |
25 | * @since 2.1.0 |
26 | * @uses $id |
27 | * |
28 | * @return unknown |
29 | */ |
30 | function get_the_ID() { |
31 | global $id; |
32 | return $id; |
33 | } |
34 | |
35 | /** |
36 | * Display or retrieve the current post title with optional content. |
37 | * |
38 | * @since 0.71 |
39 | * |
40 | * @param string $before Optional. Content to prepend to the title. |
41 | * @param string $after Optional. Content to append to the title. |
42 | * @param bool $echo Optional, default to true.Whether to display or return. |
43 | * @return null|string Null on no title. String if $echo parameter is false. |
44 | */ |
45 | function the_title($before = '', $after = '', $echo = true) { |
46 | $title = get_the_title(); |
47 | |
48 | if ( strlen($title) == 0 ) |
49 | return; |
50 | |
51 | $title = $before . $title . $after; |
52 | |
53 | if ( $echo ) |
54 | echo $title; | //Cross Site Scripting
|
55 | else |
56 | return $title; |
57 | } |
58 | |
59 | /** |
60 | * Sanitize the current title when retrieving or displaying. |
61 | * |
62 | * Works like {@link the_title()}, except the parameters can be in a string or |
63 | * an array. See the function for what can be override in the $args parameter. |
64 | * |
65 | * The title before it is displayed will have the tags stripped and {@link |
66 | * esc_attr()} before it is passed to the user or displayed. The default |
67 | * as with {@link the_title()}, is to display the title. |
68 | * |
69 | * @since 2.3.0 |
70 | * |
71 | * @param string|array $args Optional. Override the defaults. |
72 | * @return string|null Null on failure or display. String when echo is false. |
73 | */ |
74 | function the_title_attribute( $args = '' ) { |
75 | $title = get_the_title(); |
76 | |
77 | if ( strlen($title) == 0 ) |
78 | return; |
79 | |
80 | $defaults = array('before' => '', 'after' => '', 'echo' => true); |
81 | $r = wp_parse_args($args, $defaults); |
82 | extract( $r, EXTR_SKIP ); | //Possible Control Flow
|
83 | |
84 | |
85 | $title = $before . $title . $after; |
86 | $title = esc_attr(strip_tags($title)); |
87 | |
88 | if ( $echo ) |
89 | echo $title; | //Cross Site Scripting
|
90 | else |
91 | return $title; |
92 | } |
93 | |
94 | /** |
95 | * Retrieve post title. |
96 | * |
97 | * If the post is protected and the visitor is not an admin, then "Protected" |
98 | * will be displayed before the post title. If the post is private, then |
99 | * "Private" will be located before the post title. |
100 | * |
101 | * @since 0.71 |
102 | * |
103 | * @param int $id Optional. Post ID. |
104 | * @return string |
105 | */ |
106 | function get_the_title( $id = 0 ) { |
107 | $post = &get_post($id); |
108 | |
109 | $title = isset($post->post_title) ? $post->post_title : ''; |
110 | $id = isset($post->ID) ? $post->ID : (int) $id; |
111 | |
112 | if ( !is_admin() ) { |
113 | if ( !empty($post->post_password) ) { |
114 | $protected_title_format = apply_filters('protected_title_format', __('Protected: %s')); |
115 | $title = sprintf($protected_title_format, $title); | //Cross Site Scripting
|
116 | } else if ( isset($post->post_status) && 'private' == $post->post_status ) { |
117 | $private_title_format = apply_filters('private_title_format', __('Private: %s')); |
118 | $title = sprintf($private_title_format, $title); | //Cross Site Scripting
|
119 | } |
120 | } |
121 | return apply_filters( 'the_title', $title, $id ); |
122 | } |
123 | |
124 | /** |
125 | * Display the Post Global Unique Identifier (guid). |
126 | * |
127 | * The guid will appear to be a link, but should not be used as an link to the |
128 | * post. The reason you should not use it as a link, is because of moving the |
129 | * blog across domains. |
130 | * |
131 | * Url is escaped to make it xml safe |
132 | * |
133 | * @since 1.5.0 |
134 | * |
135 | * @param int $id Optional. Post ID. |
136 | */ |
137 | function the_guid( $id = 0 ) { |
138 | echo esc_url( get_the_guid( $id ) ); |
139 | } |
140 | |
141 | /** |
142 | * Retrieve the Post Global Unique Identifier (guid). |
143 | * |
144 | * The guid will appear to be a link, but should not be used as an link to the |
145 | * post. The reason you should not use it as a link, is because of moving the |
146 | * blog across domains. |
147 | * |
148 | * @since 1.5.0 |
149 | * |
150 | * @param int $id Optional. Post ID. |
151 | * @return string |
152 | */ |
153 | function get_the_guid( $id = 0 ) { |
154 | $post = &get_post($id); |
155 | |
156 | return apply_filters('get_the_guid', $post->guid); |
157 | } |
158 | |
159 | /** |
160 | * Display the post content. |
161 | * |
162 | * @since 0.71 |
163 | * |
164 | * @param string $more_link_text Optional. Content for when there is more text. |
165 | * @param string $stripteaser Optional. Teaser content before the more text. |
166 | */ |
167 | function the_content($more_link_text = null, $stripteaser = 0) { |
168 | $content = get_the_content($more_link_text, $stripteaser); |
169 | $content = apply_filters('the_content', $content); |
170 | $content = str_replace(']]>', ']]>', $content); |
171 | echo $content; | //Cross Site Scripting
|
172 | } |
173 | |
174 | /** |
175 | * Retrieve the post content. |
176 | * |
177 | * @since 0.71 |
178 | * |
179 | * @param string $more_link_text Optional. Content for when there is more text. |
180 | * @param string $stripteaser Optional. Teaser content before the more text. |
181 | * @return string |
182 | */ |
183 | function get_the_content($more_link_text = null, $stripteaser = 0) { |
184 | global $id, $post, $more, $page, $pages, $multipage, $preview; |
185 | |
186 | if ( null === $more_link_text ) |
187 | $more_link_text = __( '(more...)' ); |
188 | |
189 | $output = ''; |
190 | $hasTeaser = false; |
191 | |
192 | // If post password required and it doesn't match the cookie. |
193 | if ( post_password_required($post) ) { |
194 | $output = get_the_password_form(); |
195 | return $output; |
196 | } |
197 | |
198 | if ( $page > count($pages) ) // if the requested page doesn't exist |
199 | $page = count($pages); // give them the highest numbered page that DOES exist |
200 | |
201 | $content = $pages[$page-1]; |
202 | if ( preg_match('/<!--more(.*?)?-->/', $content, $matches) ) { |
203 | $content = explode($matches[0], $content, 2); |
204 | if ( !empty($matches[1]) && !empty($more_link_text) ) |
205 | $more_link_text = strip_tags(wp_kses_no_null(trim($matches[1]))); |
206 | |
207 | $hasTeaser = true; |
208 | } else { |
209 | $content = array($content); |
210 | } |
211 | if ( (false !== strpos($post->post_content, '<!--noteaser-->') && ((!$multipage) || ($page==1))) ) |
212 | $stripteaser = 1; |
213 | $teaser = $content[0]; |
214 | if ( ($more) && ($stripteaser) && ($hasTeaser) ) |
215 | $teaser = ''; |
216 | $output .= $teaser; |
217 | if ( count($content) > 1 ) { |
218 | if ( $more ) { |
219 | $output .= '<span id="more-' . $id . '"></span>' . $content[1]; |
220 | } else { |
221 | if ( ! empty($more_link_text) ) |
222 | $output .= apply_filters( 'the_content_more_link', ' <a href="' . get_permalink() . "#more-$id\" class=\"more-link\">$more_link_text</a>", $more_link_text ); |
223 | $output = force_balance_tags($output); |
224 | } |
225 | |
226 | } |
227 | if ( $preview ) // preview fix for javascript bug with foreign languages |
228 | $output = preg_replace_callback('/\%u([0-9A-F]{4})/', create_function('$match', 'return "" . base_convert($match[1], 16, 10) . ";";'), $output); |
229 | |
230 | return $output; |
231 | } |
232 | |
233 | /** |
234 | * Display the post excerpt. |
235 | * |
236 | * @since 0.71 |
237 | * @uses apply_filters() Calls 'the_excerpt' hook on post excerpt. |
238 | */ |
239 | function the_excerpt() { |
240 | echo apply_filters('the_excerpt', get_the_excerpt()); |
241 | } |
242 | |
243 | /** |
244 | * Retrieve the post excerpt. |
245 | * |
246 | * @since 0.71 |
247 | * |
248 | * @param mixed $deprecated Not used. |
249 | * @return string |
250 | */ |
251 | function get_the_excerpt( $deprecated = '' ) { |
252 | if ( !empty( $deprecated ) ) |
253 | _deprecated_argument( __FUNCTION__, '2.3' ); |
254 | |
255 | global $post; |
256 | $output = $post->post_excerpt; |
257 | if ( post_password_required($post) ) { |
258 | $output = __('There is no excerpt because this is a protected post.'); |
259 | return $output; |
260 | } |
261 | |
262 | return apply_filters('get_the_excerpt', $output); |
263 | } |
264 | |
265 | /** |
266 | * Whether post has excerpt. |
267 | * |
268 | * @since 2.3.0 |
269 | * |
270 | * @param int $id Optional. Post ID. |
271 | * @return bool |
272 | */ |
273 | function has_excerpt( $id = 0 ) { |
274 | $post = &get_post( $id ); |
275 | return ( !empty( $post->post_excerpt ) ); |
276 | } |
277 | |
278 | /** |
279 | * Display the classes for the post div. |
280 | * |
281 | * @since 2.7.0 |
282 | * |
283 | * @param string|array $class One or more classes to add to the class list. |
284 | * @param int $post_id An optional post ID. |
285 | */ |
286 | function post_class( $class = '', $post_id = null ) { |
287 | // Separates classes with a single space, collates classes for post DIV |
288 | echo 'class="' . join( ' ', get_post_class( $class, $post_id ) ) . '"'; |
289 | } |
290 | |
291 | /** |
292 | * Retrieve the classes for the post div as an array. |
293 | * |
294 | * The class names are add are many. If the post is a sticky, then the 'sticky' |
295 | * class name. The class 'hentry' is always added to each post. For each |
296 | * category, the class will be added with 'category-' with category slug is |
297 | * added. The tags are the same way as the categories with 'tag-' before the tag |
298 | * slug. All classes are passed through the filter, 'post_class' with the list |
299 | * of classes, followed by $class parameter value, with the post ID as the last |
300 | * parameter. |
301 | * |
302 | * @since 2.7.0 |
303 | * |
304 | * @param string|array $class One or more classes to add to the class list. |
305 | * @param int $post_id An optional post ID. |
306 | * @return array Array of classes. |
307 | */ |
308 | function get_post_class( $class = '', $post_id = null ) { |
309 | $post = get_post($post_id); |
310 | |
311 | $classes = array(); |
312 | |
313 | if ( empty($post) ) |
314 | return $classes; |
315 | |
316 | $classes[] = 'post-' . $post->ID; |
317 | $classes[] = $post->post_type; |
318 | $classes[] = 'type-' . $post->post_type; |
319 | |
320 | // sticky for Sticky Posts |
321 | if ( is_sticky($post->ID) && is_home() && !is_paged() ) |
322 | $classes[] = 'sticky'; |
323 | |
324 | // hentry for hAtom compliace |
325 | $classes[] = 'hentry'; |
326 | |
327 | // Categories |
328 | foreach ( (array) get_the_category($post->ID) as $cat ) { |
329 | if ( empty($cat->slug ) ) |
330 | continue; |
331 | $classes[] = 'category-' . sanitize_html_class($cat->slug, $cat->cat_ID); |
332 | } |
333 | |
334 | // Tags |
335 | foreach ( (array) get_the_tags($post->ID) as $tag ) { |
336 | if ( empty($tag->slug ) ) |
337 | continue; |
338 | $classes[] = 'tag-' . sanitize_html_class($tag->slug, $tag->term_id); |
339 | } |
340 | |
341 | if ( !empty($class) ) { |
342 | if ( !is_array( $class ) ) |
343 | $class = preg_split('#\s+#', $class); |
344 | $classes = array_merge($classes, $class); |
345 | } |
346 | |
347 | $classes = array_map('esc_attr', $classes); |
348 | |
349 | return apply_filters('post_class', $classes, $class, $post->ID); |
350 | } |
351 | |
352 | /** |
353 | * Display the classes for the body element. |
354 | * |
355 | * @since 2.8.0 |
356 | * |
357 | * @param string|array $class One or more classes to add to the class list. |
358 | */ |
359 | function body_class( $class = '' ) { |
360 | // Separates classes with a single space, collates classes for body element |
361 | echo 'class="' . join( ' ', get_body_class( $class ) ) . '"'; |
362 | } |
363 | |
364 | /** |
365 | * Retrieve the classes for the body element as an array. |
366 | * |
367 | * @since 2.8.0 |
368 | * |
369 | * @param string|array $class One or more classes to add to the class list. |
370 | * @return array Array of classes. |
371 | */ |
372 | function get_body_class( $class = '' ) { |
373 | global $wp_query, $wpdb; |
374 | |
375 | $classes = array(); |
376 | |
377 | if ( is_rtl() ) |
378 | $classes[] = 'rtl'; |
379 | |
380 | if ( is_front_page() ) |
381 | $classes[] = 'home'; |
382 | if ( is_home() ) |
383 | $classes[] = 'blog'; |
384 | if ( is_archive() ) |
385 | $classes[] = 'archive'; |
386 | if ( is_date() ) |
387 | $classes[] = 'date'; |
388 | if ( is_search() ) |
389 | $classes[] = 'search'; |
390 | if ( is_paged() ) |
391 | $classes[] = 'paged'; |
392 | if ( is_attachment() ) |
393 | $classes[] = 'attachment'; |
394 | if ( is_404() ) |
395 | $classes[] = 'error404'; |
396 | |
397 | if ( is_single() ) { |
398 | $post_id = $wp_query->get_queried_object_id(); |
399 | $post = $wp_query->get_queried_object(); |
400 | |
401 | $classes[] = 'single'; |
402 | $classes[] = 'single-' . sanitize_html_class($post->post_type, $post_id); |
403 | $classes[] = 'postid-' . $post_id; |
404 | |
405 | if ( is_attachment() ) { |
406 | $mime_type = get_post_mime_type($post_id); |
407 | $mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/', 'music/' ); |
408 | $classes[] = 'attachmentid-' . $post_id; |
409 | $classes[] = 'attachment-' . str_replace( $mime_prefix, '', $mime_type ); |
410 | } |
411 | } elseif ( is_archive() ) { |
412 | if ( is_author() ) { |
413 | $author = $wp_query->get_queried_object(); |
414 | $classes[] = 'author'; |
415 | $classes[] = 'author-' . sanitize_html_class( $author->user_nicename , $author->ID ); |
416 | } elseif ( is_category() ) { |
417 | $cat = $wp_query->get_queried_object(); |
418 | $classes[] = 'category'; |
419 | $classes[] = 'category-' . sanitize_html_class( $cat->slug, $cat->cat_ID ); |
420 | } elseif ( is_tag() ) { |
421 | $tags = $wp_query->get_queried_object(); |
422 | $classes[] = 'tag'; |
423 | $classes[] = 'tag-' . sanitize_html_class( $tags->slug, $tags->term_id ); |
424 | } |
425 | } elseif ( is_page() ) { |
426 | $classes[] = 'page'; |
427 | |
428 | $page_id = $wp_query->get_queried_object_id(); |
429 | |
430 | $post = get_page($page_id); |
431 | |
432 | $classes[] = 'page-id-' . $page_id; |
433 | |
434 | if ( $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'page' AND post_status = 'publish' LIMIT 1", $page_id) ) ) |
435 | $classes[] = 'page-parent'; |
436 | |
437 | if ( $post->post_parent ) { |
438 | $classes[] = 'page-child'; |
439 | $classes[] = 'parent-pageid-' . $post->post_parent; |
440 | } |
441 | if ( is_page_template() ) { |
442 | $classes[] = 'page-template'; |
443 | $classes[] = 'page-template-' . sanitize_html_class( str_replace( '.', '-', get_post_meta( $page_id, '_wp_page_template', true ) ), '' ); |
444 | } |
445 | } elseif ( is_search() ) { |
446 | if ( !empty( $wp_query->posts ) ) |
447 | $classes[] = 'search-results'; |
448 | else |
449 | $classes[] = 'search-no-results'; |
450 | } |
451 | |
452 | if ( is_user_logged_in() ) |
453 | $classes[] = 'logged-in'; |
454 | |
455 | $page = $wp_query->get( 'page' ); |
456 | |
457 | if ( !$page || $page < 2) |
458 | $page = $wp_query->get( 'paged' ); |
459 | |
460 | if ( $page && $page > 1 ) { |
461 | $classes[] = 'paged-' . $page; |
462 | |
463 | if ( is_single() ) |
464 | $classes[] = 'single-paged-' . $page; |
465 | elseif ( is_page() ) |
466 | $classes[] = 'page-paged-' . $page; |
467 | elseif ( is_category() ) |
468 | $classes[] = 'category-paged-' . $page; |
469 | elseif ( is_tag() ) |
470 | $classes[] = 'tag-paged-' . $page; |
471 | elseif ( is_date() ) |
472 | $classes[] = 'date-paged-' . $page; |
473 | elseif ( is_author() ) |
474 | $classes[] = 'author-paged-' . $page; |
475 | elseif ( is_search() ) |
476 | $classes[] = 'search-paged-' . $page; |
477 | } |
478 | |
479 | if ( !empty( $class ) ) { |
480 | if ( !is_array( $class ) ) |
481 | $class = preg_split( '#\s+#', $class ); |
482 | $classes = array_merge( $classes, $class ); |
483 | } |
484 | |
485 | $classes = array_map( 'esc_attr', $classes ); |
486 | |
487 | return apply_filters( 'body_class', $classes, $class ); |
488 | } |
489 | |
490 | /** |
491 | * Whether post requires password and correct password has been provided. |
492 | * |
493 | * @since 2.7.0 |
494 | * |
495 | * @param int|object $post An optional post. Global $post used if not provided. |
496 | * @return bool false if a password is not required or the correct password cookie is present, true otherwise. |
497 | */ |
498 | function post_password_required( $post = null ) { |
499 | $post = get_post($post); |
500 | |
501 | if ( empty($post->post_password) ) |
502 | return false; |
503 | |
504 | if ( !isset($_COOKIE['wp-postpass_' . COOKIEHASH]) ) |
505 | return true; |
506 | |
507 | if ( $_COOKIE['wp-postpass_' . COOKIEHASH] != $post->post_password ) |
508 | return true; |
509 | |
510 | return false; |
511 | } |
512 | |
513 | /** |
514 | * Display "sticky" CSS class, if a post is sticky. |
515 | * |
516 | * @since 2.7.0 |
517 | * |
518 | * @param int $post_id An optional post ID. |
519 | */ |
520 | function sticky_class( $post_id = null ) { |
521 | if ( !is_sticky($post_id) ) |
522 | return; |
523 | |
524 | echo " sticky"; |
525 | } |
526 | |
527 | /** |
528 | * Page Template Functions for usage in Themes |
529 | * |
530 | * @package WordPress |
531 | * @subpackage Template |
532 | */ |
533 | |
534 | /** |
535 | * The formatted output of a list of pages. |
536 | * |
537 | * Displays page links for paginated posts (i.e. includes the <!--nextpage-->. |
538 | * Quicktag one or more times). This tag must be within The Loop. |
539 | * |
540 | * The defaults for overwriting are: |
541 | * 'next_or_number' - Default is 'number' (string). Indicates whether page |
542 | * numbers should be used. Valid values are number and next. |
543 | * 'nextpagelink' - Default is 'Next Page' (string). Text for link to next page. |
544 | * of the bookmark. |
545 | * 'previouspagelink' - Default is 'Previous Page' (string). Text for link to |
546 | * previous page, if available. |
547 | * 'pagelink' - Default is '%' (String).Format string for page numbers. The % in |
548 | * the parameter string will be replaced with the page number, so Page % |
549 | * generates "Page 1", "Page 2", etc. Defaults to %, just the page number. |
550 | * 'before' - Default is '<p> Pages:' (string). The html or text to prepend to |
551 | * each bookmarks. |
552 | * 'after' - Default is '</p>' (string). The html or text to append to each |
553 | * bookmarks. |
554 | * 'link_before' - Default is '' (string). The html or text to prepend to each |
555 | * Pages link inside the <a> tag. Also prepended to the current item, which |
556 | * is not linked. |
557 | * 'link_after' - Default is '' (string). The html or text to append to each |
558 | * Pages link inside the <a> tag. Also appended to the current item, which |
559 | * is not linked. |
560 | * |
561 | * @since 1.2.0 |
562 | * @access private |
563 | * |
564 | * @param string|array $args Optional. Overwrite the defaults. |
565 | * @return string Formatted output in HTML. |
566 | */ |
567 | function wp_link_pages($args = '') { |
568 | $defaults = array( |
569 | 'before' => '<p>' . __('Pages:'), 'after' => '</p>', |
570 | 'link_before' => '', 'link_after' => '', |
571 | 'next_or_number' => 'number', 'nextpagelink' => __('Next page'), |
572 | 'previouspagelink' => __('Previous page'), 'pagelink' => '%', |
573 | 'echo' => 1 |
574 | ); |
575 | |
576 | $r = wp_parse_args( $args, $defaults ); |
577 | $r = apply_filters( 'wp_link_pages_args', $r ); |
578 | extract( $r, EXTR_SKIP ); | //Possible Control Flow
|
579 | |
580 | global $post, $page, $numpages, $multipage, $more, $pagenow; |
581 | |
582 | $output = ''; |
583 | if ( $multipage ) { |
584 | if ( 'number' == $next_or_number ) { |
585 | $output .= $before; |
586 | for ( $i = 1; $i < ($numpages+1); $i = $i + 1 ) { |
587 | $j = str_replace('%',$i,$pagelink); |
588 | $output .= ' '; |
589 | if ( ($i != $page) || ((!$more) && ($page==1)) ) { |
590 | if ( 1 == $i ) { |
591 | $output .= '<a href="' . get_permalink() . '">'; |
592 | } else { |
593 | if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) ) |
594 | $output .= '<a href="' . add_query_arg('page', $i, get_permalink()) . '">'; |
595 | elseif ( 'page' == get_option('show_on_front') && get_option('page_on_front') == $post->ID ) |
596 | $output .= '<a href="' . trailingslashit(get_permalink()) . user_trailingslashit('page/' . $i, 'single_paged'). '">'; |
597 | else |
598 | $output .= '<a href="' . trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged') . '">'; |
599 | } |
600 | |
601 | } |
602 | $output .= $link_before; |
603 | $output .= $j; |
604 | $output .= $link_after; |
605 | if ( ($i != $page) || ((!$more) && ($page==1)) ) |
606 | $output .= '</a>'; |
607 | } |
608 | $output .= $after; |
609 | } else { |
610 | if ( $more ) { |
611 | $output .= $before; |
612 | $i = $page - 1; |
613 | if ( $i && $more ) { |
614 | if ( 1 == $i ) { |
615 | $output .= '<a href="' . get_permalink() . '">'; |
616 | } else { |
617 | if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) ) |
618 | $output .= '<a href="' . add_query_arg('page', $i, get_permalink()) . '">'; |
619 | elseif ( 'page' == get_option('show_on_front') && get_option('page_on_front') == $post->ID ) |
620 | $output .= '<a href="' . trailingslashit(get_permalink()) . user_trailingslashit('page/' . $i, 'single_paged'). '">'; |
621 | else |
622 | $output .= '<a href="' . trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged') . '">'; |
623 | } |
624 | $output .= $link_before. $previouspagelink . $link_after . '</a>'; |
625 | } |
626 | $i = $page + 1; |
627 | if ( $i <= $numpages && $more ) { |
628 | if ( 1 == $i ) { |
629 | $output .= '<a href="' . get_permalink() . '">'; |
630 | } else { |
631 | if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) ) |
632 | $output .= '<a href="' . add_query_arg('page', $i, get_permalink()) . '">'; |
633 | elseif ( 'page' == get_option('show_on_front') && get_option('page_on_front') == $post->ID ) |
634 | $output .= '<a href="' . trailingslashit(get_permalink()) . user_trailingslashit('page/' . $i, 'single_paged'). '">'; |
635 | else |
636 | $output .= '<a href="' . trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged') . '">'; |
637 | } |
638 | $output .= $link_before. $nextpagelink . $link_after . '</a>'; |
639 | } |
640 | $output .= $after; |
641 | } |
642 | } |
643 | } |
644 | |
645 | if ( $echo ) |
646 | echo $output; | //Cross Site Scripting
|
647 | |
648 | return $output; |
649 | } |
650 | |
651 | |
652 | // |
653 | // Post-meta: Custom per-post fields. |
654 | // |
655 | |
656 | /** |
657 | * Retrieve post custom meta data field. |
658 | * |
659 | * @since 1.5.0 |
660 | * |
661 | * @param string $key Meta data key name. |
662 | * @return bool|string|array Array of values or single value, if only one element exists. False will be returned if key does not exist. |
663 | */ |
664 | function post_custom( $key = '' ) { |
665 | $custom = get_post_custom(); |
666 | |
667 | if ( !isset( $custom[$key] ) ) |
668 | return false; |
669 | elseif ( 1 == count($custom[$key]) ) |
670 | return $custom[$key][0]; |
671 | else |
672 | return $custom[$key]; |
673 | } |
674 | |
675 | /** |
676 | * Display list of post custom fields. |
677 | * |
678 | * @internal This will probably change at some point... |
679 | * @since 1.2.0 |
680 | * @uses apply_filters() Calls 'the_meta_key' on list item HTML content, with key and value as separate parameters. |
681 | */ |
682 | function the_meta() { |
683 | if ( $keys = get_post_custom_keys() ) { |
684 | echo "<ul class='post-meta'>\n"; |
685 | foreach ( (array) $keys as $key ) { |
686 | $keyt = trim($key); |
687 | if ( '_' == $keyt{0} ) |
688 | continue; |
689 | $values = array_map('trim', get_post_custom_values($key)); |
690 | $value = implode($values,', '); |
691 | echo apply_filters('the_meta_key', "<li><span class='post-meta-key'>$key:</span> $value</li>\n", $key, $value); |
692 | } |
693 | echo "</ul>\n"; |
694 | } |
695 | } |
696 | |
697 | // |
698 | // Pages |
699 | // |
700 | |
701 | /** |
702 | * Retrieve or display list of pages as a dropdown (select list). |
703 | * |
704 | * @since 2.1.0 |
705 | * |
706 | * @param array|string $args Optional. Override default arguments. |
707 | * @return string HTML content, if not displaying. |
708 | */ |
709 | function wp_dropdown_pages($args = '') { |
710 | $defaults = array( |
711 | 'depth' => 0, 'child_of' => 0, |
712 | 'selected' => 0, 'echo' => 1, |
713 | 'name' => 'page_id', 'id' => '', |
714 | 'show_option_none' => '', 'show_option_no_change' => '', |
715 | 'option_none_value' => '' |
716 | ); |
717 | |
718 | $r = wp_parse_args( $args, $defaults ); |
719 | extract( $r, EXTR_SKIP ); | //Possible Control Flow
|
720 | |
721 | $pages = get_pages($r); |
722 | $output = ''; |
723 | $name = esc_attr($name); |
724 | // Back-compat with old system where both id and name were based on $name argument |
725 | if ( empty($id) ) |
726 | $id = $name; |
727 | |
728 | if ( ! empty($pages) ) { |
729 | $output = "<select name=\"$name\" id=\"$id\">\n"; |
730 | if ( $show_option_no_change ) |
731 | $output .= "\t<option value=\"-1\">$show_option_no_change</option>"; |
732 | if ( $show_option_none ) |
733 | $output .= "\t<option value=\"" . esc_attr($option_none_value) . "\">$show_option_none</option>\n"; |
734 | $output .= walk_page_dropdown_tree($pages, $depth, $r); |
735 | $output .= "</select>\n"; |
736 | } |
737 | |
738 | $output = apply_filters('wp_dropdown_pages', $output); |
739 | |
740 | if ( $echo ) |
741 | echo $output; | //Cross Site Scripting
|
742 | |
743 | return $output; |
744 | } |
745 | |
746 | /** |
747 | * Retrieve or display list of pages in list (li) format. |
748 | * |
749 | * @since 1.5.0 |
750 | * |
751 | * @param array|string $args Optional. Override default arguments. |
752 | * @return string HTML content, if not displaying. |
753 | */ |
754 | function wp_list_pages($args = '') { |
755 | $defaults = array( |
756 | 'depth' => 0, 'show_date' => '', |
757 | 'date_format' => get_option('date_format'), |
758 | 'child_of' => 0, 'exclude' => '', |
759 | 'title_li' => __('Pages'), 'echo' => 1, |
760 | 'authors' => '', 'sort_column' => 'menu_order, post_title', |
761 | 'link_before' => '', 'link_after' => '', 'walker' => '', |
762 | ); |
763 | |
764 | $r = wp_parse_args( $args, $defaults ); |
765 | extract( $r, EXTR_SKIP ); | //Possible Control Flow
|
766 | |
767 | $output = ''; |
768 | $current_page = 0; |
769 | |
770 | // sanitize, mostly to keep spaces out |
771 | $r['exclude'] = preg_replace('/[^0-9,]/', '', $r['exclude']); |
772 | |
773 | // Allow plugins to filter an array of excluded pages (but don't put a nullstring into the array) |
774 | $exclude_array = ( $r['exclude'] ) ? explode(',', $r['exclude']) : array(); |
775 | $r['exclude'] = implode( ',', apply_filters('wp_list_pages_excludes', $exclude_array) ); |
776 | |
777 | // Query pages. |
778 | $r['hierarchical'] = 0; |
779 | $pages = get_pages($r); |
780 | |
781 | if ( !empty($pages) ) { |
782 | if ( $r['title_li'] ) |
783 | $output .= '<li class="pagenav">' . $r['title_li'] . '<ul>'; |
784 | |
785 | global $wp_query; |
786 | if ( is_page() || is_attachment() || $wp_query->is_posts_page ) |
787 | $current_page = $wp_query->get_queried_object_id(); |
788 | $output .= walk_page_tree($pages, $r['depth'], $current_page, $r); |
789 | |
790 | if ( $r['title_li'] ) |
791 | $output .= '</ul></li>'; |
792 | } |
793 | |
794 | $output = apply_filters('wp_list_pages', $output, $r); |
795 | |
796 | if ( $r['echo'] ) |
797 | echo $output; | //Cross Site Scripting
|
798 | else |
799 | return $output; |
800 | } |
801 | |
802 | /** |
803 | * Display or retrieve list of pages with optional home link. |
804 | * |
805 | * The arguments are listed below and part of the arguments are for {@link |
806 | * wp_list_pages()} function. Check that function for more info on those |
807 | * arguments. |
808 | * |
809 | * <ul> |
810 | * <li><strong>sort_column</strong> - How to sort the list of pages. Defaults |
811 | * to page title. Use column for posts table.</li> |
812 | * <li><strong>menu_class</strong> - Class to use for the div ID which contains |
813 | * the page list. Defaults to 'menu'.</li> |
814 | * <li><strong>echo</strong> - Whether to echo list or return it. Defaults to |
815 | * echo.</li> |
816 | * <li><strong>link_before</strong> - Text before show_home argument text.</li> |
817 | * <li><strong>link_after</strong> - Text after show_home argument text.</li> |
818 | * <li><strong>show_home</strong> - If you set this argument, then it will |
819 | * display the link to the home page. The show_home argument really just needs |
820 | * to be set to the value of the text of the link.</li> |
821 | * </ul> |
822 | * |
823 | * @since 2.7.0 |
824 | * |
825 | * @param array|string $args |
826 | */ |
827 | function wp_page_menu( $args = array() ) { |
828 | $defaults = array('sort_column' => 'menu_order, post_title', 'menu_class' => 'menu', 'echo' => true, 'link_before' => '', 'link_after' => ''); |
829 | $args = wp_parse_args( $args, $defaults ); |
830 | $args = apply_filters( 'wp_page_menu_args', $args ); |
831 | |
832 | $menu = ''; |
833 | |
834 | $list_args = $args; |
835 | |
836 | // Show Home in the menu |
837 | if ( ! empty($args['show_home']) ) { |
838 | if ( true === $args['show_home'] || '1' === $args['show_home'] || 1 === $args['show_home'] ) |
839 | $text = __('Home'); |
840 | else |
841 | $text = $args['show_home']; |
842 | $class = ''; |
843 | if ( is_front_page() && !is_paged() ) |
844 | $class = 'class="current_page_item"'; |
845 | $menu .= '<li ' . $class . '><a href="' . home_url( '/' ) . '" title="' . esc_attr($text) . '">' . $args['link_before'] . $text . $args['link_after'] . '</a></li>'; |
846 | // If the front page is a page, add it to the exclude list |
847 | if (get_option('show_on_front') == 'page') { |
848 | if ( !empty( $list_args['exclude'] ) ) { |
849 | $list_args['exclude'] .= ','; |
850 | } else { |
851 | $list_args['exclude'] = ''; |
852 | } |
853 | $list_args['exclude'] .= get_option('page_on_front'); |
854 | } |
855 | } |
856 | |
857 | $list_args['echo'] = false; |
858 | $list_args['title_li'] = ''; |
859 | $menu .= str_replace( array( "\r", "\n", "\t" ), '', wp_list_pages($list_args) ); |
860 | |
861 | if ( $menu ) |
862 | $menu = '<ul>' . $menu . '</ul>'; |
863 | |
864 | $menu = '<div class="' . esc_attr($args['menu_class']) . '">' . $menu . "</div>\n"; |
865 | $menu = apply_filters( 'wp_page_menu', $menu, $args ); |
866 | if ( $args['echo'] ) |
867 | echo $menu; | //Cross Site Scripting
|
868 | else |
869 | return $menu; |
870 | } |
871 | |
872 | // |
873 | // Page helpers |
874 | // |
875 | |
876 | /** |
877 | * Retrieve HTML list content for page list. |
878 | * |
879 | * @uses Walker_Page to create HTML list content. |
880 | * @since 2.1.0 |
881 | * @see Walker_Page::walk() for parameters and return description. |
882 | */ |
883 | function walk_page_tree($pages, $depth, $current_page, $r) { |
884 | if ( empty($r['walker']) ) |
885 | $walker = new Walker_Page; |
886 | else |
887 | $walker = $r['walker']; |
888 | |
889 | $args = array($pages, $depth, $r, $current_page); |
890 | return call_user_func_array(array(&$walker, 'walk'), $args); |
891 | } |
892 | |
893 | /** |
894 | * Retrieve HTML dropdown (select) content for page list. |
895 | * |
896 | * @uses Walker_PageDropdown to create HTML dropdown content. |
897 | * @since 2.1.0 |
898 | * @see Walker_PageDropdown::walk() for parameters and return description. |
899 | */ |
900 | function walk_page_dropdown_tree() { |
901 | $args = func_get_args(); |
902 | if ( empty($args[2]['walker']) ) // the user's options are the third parameter |
903 | $walker = new Walker_PageDropdown; |
904 | else |
905 | $walker = $args[2]['walker']; |
906 | |
907 | return call_user_func_array(array(&$walker, 'walk'), $args); |
908 | } |
909 | |
910 | // |
911 | // Attachments |
912 | // |
913 | |
914 | /** |
915 | * Display an attachment page link using an image or icon. |
916 | * |
917 | * @since 2.0.0 |
918 | * |
919 | * @param int $id Optional. Post ID. |
920 | * @param bool $fullsize Optional, default is false. Whether to use full size. |
921 | * @param bool $deprecated Deprecated. Not used. |
922 | * @param bool $permalink Optional, default is false. Whether to include permalink. |
923 | */ |
924 | function the_attachment_link( $id = 0, $fullsize = false, $deprecated = false, $permalink = false ) { |
925 | if ( !empty( $deprecated ) ) |
926 | _deprecated_argument( __FUNCTION__, '2.5' ); |
927 | |
928 | if ( $fullsize ) |
929 | echo wp_get_attachment_link($id, 'full', $permalink); |
930 | else |
931 | echo wp_get_attachment_link($id, 'thumbnail', $permalink); |
932 | } |
933 | |
934 | /** |
935 | * Retrieve an attachment page link using an image or icon, if possible. |
936 | * |
937 | * @since 2.5.0 |
938 | * @uses apply_filters() Calls 'wp_get_attachment_link' filter on HTML content with same parameters as function. |
939 | * |
940 | * @param int $id Optional. Post ID. |
941 | * @param string $size Optional, default is 'thumbnail'. Size of image, either array or string. |
942 | * @param bool $permalink Optional, default is false. Whether to add permalink to image. |
943 | * @param bool $icon Optional, default is false. Whether to include icon. |
944 | * @param string $text Optional, default is false. If string, then will be link text. |
945 | * @return string HTML content. |
946 | */ |
947 | function wp_get_attachment_link($id = 0, $size = 'thumbnail', $permalink = false, $icon = false, $text = false) { |
948 | $id = intval($id); |
949 | $_post = & get_post( $id ); |
950 | |
951 | if ( ('attachment' != $_post->post_type) || !$url = wp_get_attachment_url($_post->ID) ) |
952 | return __('Missing Attachment'); |
953 | |
954 | if ( $permalink ) |
955 | $url = get_attachment_link($_post->ID); |
956 | |
957 | $post_title = esc_attr($_post->post_title); |
958 | |
959 | if ( $text ) { |
960 | $link_text = esc_attr($text); |
961 | } elseif ( ( is_int($size) && $size != 0 ) or ( is_string($size) && $size != 'none' ) or $size != false ) { |
962 | $link_text = wp_get_attachment_image($id, $size, $icon); |
963 | } else { |
964 | $link_text = ''; |
965 | } |
966 | |
967 | if( trim($link_text) == '' ) |
968 | $link_text = $_post->post_title; |
969 | |
970 | return apply_filters( 'wp_get_attachment_link', "<a href='$url' title='$post_title'>$link_text</a>", $id, $size, $permalink, $icon, $text ); |
971 | } |
972 | |
973 | /** |
974 | * Wrap attachment in <<p>> element before content. |
975 | * |
976 | * @since 2.0.0 |
977 | * @uses apply_filters() Calls 'prepend_attachment' hook on HTML content. |
978 | * |
979 | * @param string $content |
980 | * @return string |
981 | */ |
982 | function prepend_attachment($content) { |
983 | global $post; |
984 | |
985 | if ( empty($post->post_type) || $post->post_type != 'attachment' ) |
986 | return $content; |
987 | |
988 | $p = '<p class="attachment">'; |
989 | // show the medium sized image representation of the attachment if available, and link to the raw file |
990 | $p .= wp_get_attachment_link(0, 'medium', false); |
991 | $p .= '</p>'; |
992 | $p = apply_filters('prepend_attachment', $p); |
993 | |
994 | return "$p\n$content"; |
995 | } |
996 | |
997 | // |
998 | // Misc |
999 | // |
1000 | |