3 * WordPress Post Template Functions.
5 * Gets content for the current post in the loop.
12 * Display the ID of the current item in the WordPress Loop.
23 * Retrieve the ID of the current item in the WordPress Loop.
30 function get_the_ID() {
36 * Display or retrieve the current post title with optional content.
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 $echo parameter is false.
45 function the_title($before = '', $after = '', $echo = true) {
46 $title = get_the_title();
48 if ( strlen($title) == 0 )
51 $title = $before . $title . $after;
60 * Sanitize the current title when retrieving or displaying.
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.
65 * The title before it is displayed will have the tags stripped and {@link
66 * attribute_escape()} before it is passed to the user or displayed. The default
67 * as with {@link the_title()}, is to display the title.
71 * @param string|array $args Optional. Override the defaults.
72 * @return string|null Null on failure or display. String when echo is false.
74 function the_title_attribute( $args = '' ) {
75 $title = get_the_title();
77 if ( strlen($title) == 0 )
80 $defaults = array('before' => '', 'after' => '', 'echo' => true);
81 $r = wp_parse_args($args, $defaults);
82 extract( $r, EXTR_SKIP );
85 $title = $before . $title . $after;
86 $title = attribute_escape(strip_tags($title));
95 * Retrieve post title.
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.
103 * @param int $id Optional. Post ID.
106 function get_the_title( $id = 0 ) {
107 $post = &get_post($id);
109 $title = $post->post_title;
112 if ( !empty($post->post_password) )
113 $title = sprintf(__('Protected: %s'), $title);
114 else if ( isset($post->post_status) && 'private' == $post->post_status )
115 $title = sprintf(__('Private: %s'), $title);
117 return apply_filters( 'the_title', $title );
121 * Display the Post Global Unique Identifier (guid).
123 * The guid will appear to be a link, but should not be used as an link to the
124 * post. The reason you should not use it as a link, is because of moving the
125 * blog across domains.
129 * @param int $id Optional. Post ID.
131 function the_guid( $id = 0 ) {
132 echo get_the_guid($id);
136 * Retrieve the Post Global Unique Identifier (guid).
138 * The guid will appear to be a link, but should not be used as an link to the
139 * post. The reason you should not use it as a link, is because of moving the
140 * blog across domains.
144 * @param int $id Optional. Post ID.
147 function get_the_guid( $id = 0 ) {
148 $post = &get_post($id);
150 return apply_filters('get_the_guid', $post->guid);
154 * Display the post content.
158 * @param string $more_link_text Optional. Content for when there is more text.
159 * @param string $stripteaser Optional. Teaser content before the more text.
160 * @param string $more_file Optional. Not used.
162 function the_content($more_link_text = null, $stripteaser = 0, $more_file = '') {
163 $content = get_the_content($more_link_text, $stripteaser, $more_file);
164 $content = apply_filters('the_content', $content);
165 $content = str_replace(']]>', ']]>', $content);
170 * Retrieve the post content.
174 * @param string $more_link_text Optional. Content for when there is more text.
175 * @param string $stripteaser Optional. Teaser content before the more text.
176 * @param string $more_file Optional. Not used.
179 function get_the_content($more_link_text = null, $stripteaser = 0, $more_file = '') {
180 global $id, $post, $more, $page, $pages, $multipage, $preview, $pagenow;
182 if ( null === $more_link_text )
183 $more_link_text = __( '(more...)' );
187 // If post password required and it doesn't match the cookie.
188 if ( post_password_required($post) ) {
189 $output = get_the_password_form();
193 if ( $more_file != '' )
196 $file = $pagenow; //$_SERVER['PHP_SELF'];
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
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])));
207 $content = array($content);
209 if ( (false !== strpos($post->post_content, '<!--noteaser-->') && ((!$multipage) || ($page==1))) )
211 $teaser = $content[0];
212 if ( ($more) && ($stripteaser) )
215 if ( count($content) > 1 ) {
217 $output .= '<span id="more-'.$id.'"></span>'.$content[1];
219 $output = balanceTags($output);
220 if ( ! empty($more_link_text) )
221 $output .= ' <a href="'. get_permalink() . "#more-$id\" class=\"more-link\">$more_link_text</a>";
225 if ( $preview ) // preview fix for javascript bug with foreign languages
226 $output = preg_replace_callback('/\%u([0-9A-F]{4})/', create_function('$match', 'return "&#" . base_convert($match[1], 16, 10) . ";";'), $output);
232 * Display the post excerpt.
235 * @uses apply_filters() Calls 'the_excerpt' hook on post excerpt.
237 function the_excerpt() {
238 echo apply_filters('the_excerpt', get_the_excerpt());
242 * Retrieve the post excerpt.
246 * @param mixed $deprecated Not used.
249 function get_the_excerpt($deprecated = '') {
252 $output = $post->post_excerpt;
253 if ( post_password_required($post) ) {
254 $output = __('There is no excerpt because this is a protected post.');
258 return apply_filters('get_the_excerpt', $output);
262 * Whether post has excerpt.
266 * @param int $id Optional. Post ID.
269 function has_excerpt( $id = 0 ) {
270 $post = &get_post( $id );
271 return ( !empty( $post->post_excerpt ) );
275 * Display the classes for the post div.
279 * @param string|array $class One or more classes to add to the class list.
280 * @param int $post_id An optional post ID.
282 function post_class( $class = '', $post_id = null ) {
283 // Separates classes with a single space, collates classes for post DIV
284 echo 'class="' . join( ' ', get_post_class( $class, $post_id ) ) . '"';
288 * Retrieve the classes for the post div as an array.
290 * The class names are add are many. If the post is a sticky, then the 'sticky'
291 * class name. The class 'hentry' is always added to each post. For each
292 * category, the class will be added with 'category-' with category slug is
293 * added. The tags are the same way as the categories with 'tag-' before the tag
294 * slug. All classes are passed through the filter, 'post_class' with the list
295 * of classes, followed by $class parameter value, with the post ID as the last
300 * @param string|array $class One or more classes to add to the class list.
301 * @param int $post_id An optional post ID.
302 * @return array Array of classes.
304 function get_post_class( $class = '', $post_id = null ) {
305 $post = get_post($post_id);
309 $classes[] = $post->post_type;
311 // sticky for Sticky Posts
312 if ( is_sticky($post->ID) && is_home())
313 $classes[] = 'sticky';
315 // hentry for hAtom compliace
316 $classes[] = 'hentry';
319 foreach ( (array) get_the_category($post->ID) as $cat ) {
320 if ( empty($cat->slug ) )
322 $classes[] = 'category-' . $cat->slug;
326 foreach ( (array) get_the_tags($post->ID) as $tag ) {
327 if ( empty($tag->slug ) )
329 $classes[] = 'tag-' . $tag->slug;
332 if ( !empty($class) ) {
333 if ( !is_array( $class ) )
334 $class = preg_split('#\s+#', $class);
335 $classes = array_merge($classes, $class);
338 return apply_filters('post_class', $classes, $class, $post_id);
342 * Whether post requires password and correct password has been provided.
346 * @param int|object $post An optional post. Global $post used if not provided.
347 * @return bool false if a password is not required or the correct password cookie is present, true otherwise.
349 function post_password_required( $post = null ) {
350 $post = get_post($post);
352 if ( empty($post->post_password) )
355 if ( !isset($_COOKIE['wp-postpass_' . COOKIEHASH]) )
358 if ( $_COOKIE['wp-postpass_' . COOKIEHASH] != $post->post_password )
365 * Display "sticky" CSS class, if a post is sticky.
369 * @param int $post_id An optional post ID.
371 function sticky_class( $post_id = null ) {
372 if ( !is_sticky($post_id) )
379 * Page Template Functions for usage in Themes
382 * @subpackage Template
386 * The formatted output of a list of pages.
388 * Displays page links for paginated posts (i.e. includes the <!--nextpage-->.
389 * Quicktag one or more times). This tag must be within The Loop.
391 * The defaults for overwriting are:
392 * 'next_or_number' - Default is 'number' (string). Indicates whether page
393 * numbers should be used. Valid values are number and next.
394 * 'nextpagelink' - Default is 'Next Page' (string). Text for link to next page.
396 * 'previouspagelink' - Default is 'Previous Page' (string). Text for link to
397 * previous page, if available.
398 * 'pagelink' - Default is '%' (String).Format string for page numbers. The % in
399 * the parameter string will be replaced with the page number, so Page %
400 * generates "Page 1", "Page 2", etc. Defaults to %, just the page number.
401 * 'before' - Default is '<p> Pages:' (string). The html or text to prepend to
403 * 'after' - Default is '</p>' (string). The html or text to append to each
405 * 'more_file' - Default is '' (string) Page the links should point to. Defaults
406 * to the current page.
407 * 'link_before' - Default is '' (string). The html or text to prepend to each
408 * Pages link inside the <a> tag.
409 * 'link_after' - Default is '' (string). The html or text to append to each
410 * Pages link inside the <a> tag.
415 * @param string|array $args Optional. Overwrite the defaults.
416 * @return string Formatted output in HTML.
418 function wp_link_pages($args = '') {
420 'before' => '<p>' . __('Pages:'), 'after' => '</p>',
421 'link_before' => '', 'link_after' => '',
422 'next_or_number' => 'number', 'nextpagelink' => __('Next page'),
423 'previouspagelink' => __('Previous page'), 'pagelink' => '%',
424 'more_file' => '', 'echo' => 1
427 $r = wp_parse_args( $args, $defaults );
428 extract( $r, EXTR_SKIP );
430 global $post, $page, $numpages, $multipage, $more, $pagenow;
431 if ( $more_file != '' )
438 if ( 'number' == $next_or_number ) {
440 for ( $i = 1; $i < ($numpages+1); $i = $i + 1 ) {
441 $j = str_replace('%',"$i",$pagelink);
443 if ( ($i != $page) || ((!$more) && ($page==1)) ) {
445 $output .= '<a href="' . get_permalink() . '">';
447 if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) )
448 $output .= '<a href="' . get_permalink() . '&page=' . $i . '">';
450 $output .= '<a href="' . trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged') . '">';
454 $output .= $link_before;
456 $output .= $link_after;
457 if ( ($i != $page) || ((!$more) && ($page==1)) )
467 $output .= '<a href="' . get_permalink() . '">' . $link_before. $previouspagelink . $link_after . '</a>';
469 if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) )
470 $output .= '<a href="' . get_permalink() . '&page=' . $i . '">' . $link_before. $previouspagelink . $link_after . '</a>';
472 $output .= '<a href="' . trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged') . '">' . $link_before. $previouspagelink . $link_after . '</a>';
476 if ( $i <= $numpages && $more ) {
478 $output .= '<a href="' . get_permalink() . '">' . $link_before. $nextpagelink . $link_after . '</a>';
480 if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) )
481 $output .= '<a href="' . get_permalink() . '&page=' . $i . '">' . $link_before. $nextpagelink . $link_after . '</a>';
483 $output .= '<a href="' . trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged') . '">' . $link_before. $nextpagelink . $link_after . '</a>';
499 // Post-meta: Custom per-post fields.
503 * Retrieve post custom meta data field.
507 * @param string $key Meta data key name.
508 * @return string|array Array of values or single value, if only one element exists.
510 function post_custom( $key = '' ) {
511 $custom = get_post_custom();
513 if ( 1 == count($custom[$key]) )
514 return $custom[$key][0];
516 return $custom[$key];
520 * Display list of post custom fields.
522 * @internal This will probably change at some point...
524 * @uses apply_filters() Calls 'the_meta_key' on list item HTML content, with key and value as separate parameters.
526 function the_meta() {
527 if ( $keys = get_post_custom_keys() ) {
528 echo "<ul class='post-meta'>\n";
529 foreach ( (array) $keys as $key ) {
531 if ( '_' == $keyt{0} )
533 $values = array_map('trim', get_post_custom_values($key));
534 $value = implode($values,', ');
535 echo apply_filters('the_meta_key', "<li><span class='post-meta-key'>$key:</span> $value</li>\n", $key, $value);
546 * Retrieve or display list of pages as a dropdown (select list).
550 * @param array|string $args Optional. Override default arguments.
551 * @return string HTML content, if not displaying.
553 function wp_dropdown_pages($args = '') {
555 'depth' => 0, 'child_of' => 0,
556 'selected' => 0, 'echo' => 1,
557 'name' => 'page_id', 'show_option_none' => '', 'show_option_no_change' => '',
558 'option_none_value' => ''
561 $r = wp_parse_args( $args, $defaults );
562 extract( $r, EXTR_SKIP );
564 $pages = get_pages($r);
567 if ( ! empty($pages) ) {
568 $output = "<select name=\"$name\" id=\"$name\">\n";
569 if ( $show_option_no_change )
570 $output .= "\t<option value=\"-1\">$show_option_no_change</option>";
571 if ( $show_option_none )
572 $output .= "\t<option value=\"$option_none_value\">$show_option_none</option>\n";
573 $output .= walk_page_dropdown_tree($pages, $depth, $r);
574 $output .= "</select>\n";
577 $output = apply_filters('wp_dropdown_pages', $output);
586 * Retrieve or display list of pages in list (li) format.
590 * @param array|string $args Optional. Override default arguments.
591 * @return string HTML content, if not displaying.
593 function wp_list_pages($args = '') {
595 'depth' => 0, 'show_date' => '',
596 'date_format' => get_option('date_format'),
597 'child_of' => 0, 'exclude' => '',
598 'title_li' => __('Pages'), 'echo' => 1,
599 'authors' => '', 'sort_column' => 'menu_order, post_title',
600 'link_before' => '', 'link_after' => ''
603 $r = wp_parse_args( $args, $defaults );
604 extract( $r, EXTR_SKIP );
609 // sanitize, mostly to keep spaces out
610 $r['exclude'] = preg_replace('/[^0-9,]/', '', $r['exclude']);
612 // Allow plugins to filter an array of excluded pages
613 $r['exclude'] = implode(',', apply_filters('wp_list_pages_excludes', explode(',', $r['exclude'])));
616 $r['hierarchical'] = 0;
617 $pages = get_pages($r);
619 if ( !empty($pages) ) {
620 if ( $r['title_li'] )
621 $output .= '<li class="pagenav">' . $r['title_li'] . '<ul>';
624 if ( is_page() || $wp_query->is_posts_page )
625 $current_page = $wp_query->get_queried_object_id();
626 $output .= walk_page_tree($pages, $r['depth'], $current_page, $r);
628 if ( $r['title_li'] )
629 $output .= '</ul></li>';
632 $output = apply_filters('wp_list_pages', $output);
641 * Display or retrieve list of pages with optional home link.
643 * The arguments are listed below and part of the arguments are for {@link
644 * wp_list_pages()} function. Check that function for more info on those
648 * <li><strong>sort_column</strong> - How to sort the list of pages. Defaults
649 * to page title. Use column for posts table.</li>
650 * <li><strong>menu_class</strong> - Class to use for the div ID which contains
651 * the page list. Defaults to 'menu'.</li>
652 * <li><strong>echo</strong> - Whether to echo list or return it. Defaults to
654 * <li><strong>link_before</strong> - Text before show_home argument text.</li>
655 * <li><strong>link_after</strong> - Text after show_home argument text.</li>
656 * <li><strong>show_home</strong> - If you set this argument, then it will
657 * display the link to the home page. The show_home argument really just needs
658 * to be set to the value of the text of the link.</li>
663 * @param array|string $args
665 function wp_page_menu( $args = array() ) {
666 $defaults = array('sort_column' => 'post_title', 'menu_class' => 'menu', 'echo' => true, 'link_before' => '', 'link_after' => '');
667 $args = wp_parse_args( $args, $defaults );
668 $args = apply_filters( 'wp_page_menu_args', $args );
674 // Show Home in the menu
675 if ( isset($args['show_home']) && ! empty($args['show_home']) ) {
676 if ( true === $args['show_home'] || '1' === $args['show_home'] || 1 === $args['show_home'] )
679 $text = $args['show_home'];
681 if ( is_front_page() && !is_paged() )
682 $class = 'class="current_page_item"';
683 $menu .= '<li ' . $class . '><a href="' . get_option('home') . '">' . $args['link_before'] . $text . $args['link_after'] . '</a></li>';
684 // If the front page is a page, add it to the exclude list
685 if (get_option('show_on_front') == 'page') {
686 if ( !empty( $list_args['exclude'] ) ) {
687 $list_args['exclude'] .= ',';
689 $list_args['exclude'] = '';
691 $list_args['exclude'] .= get_option('page_on_front');
695 $list_args['echo'] = false;
696 $list_args['title_li'] = '';
697 $menu .= str_replace( array( "\r", "\n", "\t" ), '', wp_list_pages($list_args) );
700 $menu = '<ul>' . $menu . '</ul>';
702 $menu = '<div class="' . $args['menu_class'] . '">' . $menu . "</div>\n";
703 $menu = apply_filters( 'wp_page_menu', $menu, $args );
715 * Retrieve HTML list content for page list.
717 * @uses Walker_Page to create HTML list content.
719 * @see Walker_Page::walk() for parameters and return description.
721 function walk_page_tree($pages, $depth, $current_page, $r) {
722 $walker = new Walker_Page;
723 $args = array($pages, $depth, $r, $current_page);
724 return call_user_func_array(array(&$walker, 'walk'), $args);
728 * Retrieve HTML dropdown (select) content for page list.
730 * @uses Walker_PageDropdown to create HTML dropdown content.
732 * @see Walker_PageDropdown::walk() for parameters and return description.
734 function walk_page_dropdown_tree() {
735 $walker = new Walker_PageDropdown;
736 $args = func_get_args();
737 return call_user_func_array(array(&$walker, 'walk'), $args);
745 * Display an attachment page link using an image or icon.
749 * @param int $id Optional. Post ID.
750 * @param bool $fullsize Optional, default is false. Whether to use full size.
751 * @param bool $deprecated Deprecated. Not used.
752 * @param bool $permalink Optional, default is false. Whether to include permalink.
754 function the_attachment_link($id = 0, $fullsize = false, $deprecated = false, $permalink = false) {
756 echo wp_get_attachment_link($id, 'full', $permalink);
758 echo wp_get_attachment_link($id, 'thumbnail', $permalink);
762 * Retrieve an attachment page link using an image or icon, if possible.
765 * @uses apply_filters() Calls 'wp_get_attachment_link' filter on HTML content with same parameters as function.
767 * @param int $id Optional. Post ID.
768 * @param string $size Optional. Image size.
769 * @param bool $permalink Optional, default is false. Whether to add permalink to image.
770 * @param bool $icon Optional, default is false. Whether to include icon.
771 * @return string HTML content.
773 function wp_get_attachment_link($id = 0, $size = 'thumbnail', $permalink = false, $icon = false) {
775 $_post = & get_post( $id );
777 if ( ('attachment' != $_post->post_type) || !$url = wp_get_attachment_url($_post->ID) )
778 return __('Missing Attachment');
781 $url = get_attachment_link($_post->ID);
783 $post_title = attribute_escape($_post->post_title);
785 $link_text = wp_get_attachment_image($id, $size, $icon);
787 $link_text = $_post->post_title;
789 return apply_filters( 'wp_get_attachment_link', "<a href='$url' title='$post_title'>$link_text</a>", $id, $size, $permalink, $icon );
793 * Retrieve HTML content of attachment image with link.
796 * @deprecated Use {@link wp_get_attachment_link()}
797 * @see wp_get_attachment_link() Use instead.
799 * @param int $id Optional. Post ID.
800 * @param bool $fullsize Optional, default is false. Whether to use full size image.
801 * @param array $max_dims Optional. Max image dimensions.
802 * @param bool $permalink Optional, default is false. Whether to include permalink to image.
805 function get_the_attachment_link($id = 0, $fullsize = false, $max_dims = false, $permalink = false) {
807 $_post = & get_post($id);
809 if ( ('attachment' != $_post->post_type) || !$url = wp_get_attachment_url($_post->ID) )
810 return __('Missing Attachment');
813 $url = get_attachment_link($_post->ID);
815 $post_title = attribute_escape($_post->post_title);
817 $innerHTML = get_attachment_innerHTML($_post->ID, $fullsize, $max_dims);
818 return "<a href='$url' title='$post_title'>$innerHTML</a>";
822 * Retrieve icon URL and Path.
825 * @deprecated Use {@link wp_get_attachment_image_src()}
826 * @see wp_get_attachment_image_src() Use instead.
828 * @param int $id Optional. Post ID.
829 * @param bool $fullsize Optional, default to false. Whether to have full image.
830 * @return array Icon URL and full path to file, respectively.
832 function get_attachment_icon_src( $id = 0, $fullsize = false ) {
834 if ( !$post = & get_post($id) )
837 $file = get_attached_file( $post->ID );
839 if ( !$fullsize && $src = wp_get_attachment_thumb_url( $post->ID ) ) {
840 // We have a thumbnail desired, specified and existing
842 $src_file = basename($src);
843 $class = 'attachmentthumb';
844 } elseif ( wp_attachment_is_image( $post->ID ) ) {
845 // We have an image without a thumbnail
847 $src = wp_get_attachment_url( $post->ID );
849 $class = 'attachmentimage';
850 } elseif ( $src = wp_mime_type_icon( $post->ID ) ) {
851 // No thumb, no image. We'll look for a mime-related icon instead.
853 $icon_dir = apply_filters( 'icon_dir', get_template_directory() . '/images' );
854 $src_file = $icon_dir . '/' . basename($src);
857 if ( !isset($src) || !$src )
860 return array($src, $src_file);
864 * Retrieve HTML content of icon attachment image element.
867 * @deprecated Use {@link wp_get_attachment_image()}
868 * @see wp_get_attachment_image() Use instead of.
870 * @param int $id Optional. Post ID.
871 * @param bool $fullsize Optional, default to false. Whether to have full size image.
872 * @param array $max_dims Optional. Dimensions of image.
873 * @return string HTML content.
875 function get_attachment_icon( $id = 0, $fullsize = false, $max_dims = false ) {
877 if ( !$post = & get_post($id) )
880 if ( !$src = get_attachment_icon_src( $post->ID, $fullsize ) )
883 list($src, $src_file) = $src;
885 // Do we need to constrain the image?
886 if ( ($max_dims = apply_filters('attachment_max_dims', $max_dims)) && file_exists($src_file) ) {
888 $imagesize = getimagesize($src_file);
890 if (($imagesize[0] > $max_dims[0]) || $imagesize[1] > $max_dims[1] ) {
891 $actual_aspect = $imagesize[0] / $imagesize[1];
892 $desired_aspect = $max_dims[0] / $max_dims[1];
894 if ( $actual_aspect >= $desired_aspect ) {
895 $height = $actual_aspect * $max_dims[0];
896 $constraint = "width='{$max_dims[0]}' ";
897 $post->iconsize = array($max_dims[0], $height);
899 $width = $max_dims[1] / $actual_aspect;
900 $constraint = "height='{$max_dims[1]}' ";
901 $post->iconsize = array($width, $max_dims[1]);
904 $post->iconsize = array($imagesize[0], $imagesize[1]);
911 $post_title = attribute_escape($post->post_title);
913 $icon = "<img src='$src' title='$post_title' alt='$post_title' $constraint/>";
915 return apply_filters( 'attachment_icon', $icon, $post->ID );
919 * Retrieve HTML content of image element.
922 * @deprecated Use {@link wp_get_attachment_image()}
923 * @see wp_get_attachment_image() Use instead.
925 * @param int $id Optional. Post ID.
926 * @param bool $fullsize Optional, default to false. Whether to have full size image.
927 * @param array $max_dims Optional. Dimensions of image.
930 function get_attachment_innerHTML($id = 0, $fullsize = false, $max_dims = false) {
932 if ( !$post = & get_post($id) )
935 if ( $innerHTML = get_attachment_icon($post->ID, $fullsize, $max_dims))
939 $innerHTML = attribute_escape($post->post_title);
941 return apply_filters('attachment_innerHTML', $innerHTML, $post->ID);
945 * Wrap attachment in <<p>> element before content.
948 * @uses apply_filters() Calls 'prepend_attachment' hook on HTML content.
950 * @param string $content
953 function prepend_attachment($content) {
956 if ( empty($post->post_type) || $post->post_type != 'attachment' )
959 $p = '<p class="attachment">';
960 // show the medium sized image representation of the attachment if available, and link to the raw file
961 $p .= wp_get_attachment_link(0, 'medium', false);
963 $p = apply_filters('prepend_attachment', $p);
965 return "$p\n$content";
973 * Retrieve protected post password form content.
976 * @uses apply_filters() Calls 'the_password_form' filter on output.
978 * @return string HTML content for password form for password protected post.
980 function get_the_password_form() {
982 $label = 'pwbox-'.(empty($post->ID) ? rand() : $post->ID);
983 $output = '<form action="' . get_option('siteurl') . '/wp-pass.php" method="post">
984 <p>' . __("This post is password protected. To view it please enter your password below:") . '</p>
985 <p><label for="' . $label . '">' . __("Password:") . ' <input name="post_password" id="' . $label . '" type="password" size="20" /></label> <input type="submit" name="Submit" value="' . __("Submit") . '" /></p>
988 return apply_filters('the_password_form', $output);
992 * Whether currently in a page template.
994 * This template tag allows you to determine whether or not you are in a page
995 * template. You can optional provide a template name and then the check will be
996 * specific to that template.
1001 * @param string $template The specific template name if specific matching is required.
1002 * @return bool False on failure, true if success.
1004 function is_page_template($template = '') {
1011 $page = $wp_query->get_queried_object();
1012 $custom_fields = get_post_custom_values('_wp_page_template',$page->ID);
1013 $page_template = $custom_fields[0];
1015 // We have no argument passed so just see if a page_template has been specified
1016 if ( empty( $template ) ) {
1017 if (!empty( $page_template ) ) {
1020 } elseif ( $template == $page_template) {
1028 * Retrieve formatted date timestamp of a revision (linked to that revisions's page).
1030 * @package WordPress
1031 * @subpackage Post_Revisions
1036 * @param int|object $revision Revision ID or revision object.
1037 * @param bool $link Optional, default is true. Link to revisions's page?
1038 * @return string i18n formatted datetimestamp or localized 'Current Revision'.
1040 function wp_post_revision_title( $revision, $link = true ) {
1041 if ( !$revision = get_post( $revision ) )
1044 if ( !in_array( $revision->post_type, array( 'post', 'page', 'revision' ) ) )
1047 $datef = _c( 'j F, Y @ G:i|revision date format');
1048 $autosavef = __( '%s [Autosave]' );
1049 $currentf = __( '%s [Current Revision]' );
1051 $date = date_i18n( $datef, strtotime( $revision->post_modified ) );
1052 if ( $link && current_user_can( 'edit_post', $revision->ID ) && $link = get_edit_post_link( $revision->ID ) )
1053 $date = "<a href='$link'>$date</a>";
1055 if ( !wp_is_post_revision( $revision ) )
1056 $date = sprintf( $currentf, $date );
1057 elseif ( wp_is_post_autosave( $revision ) )
1058 $date = sprintf( $autosavef, $date );
1064 * Display list of a post's revisions.
1066 * Can output either a UL with edit links or a TABLE with diff interface, and
1067 * restore action links.
1069 * Second argument controls parameters:
1070 * (bool) parent : include the parent (the "Current Revision") in the list.
1071 * (string) format : 'list' or 'form-table'. 'list' outputs UL, 'form-table'
1072 * outputs TABLE with UI.
1073 * (int) right : what revision is currently being viewed - used in
1074 * form-table format.
1075 * (int) left : what revision is currently being diffed against right -
1076 * used in form-table format.
1078 * @package WordPress
1079 * @subpackage Post_Revisions
1082 * @uses wp_get_post_revisions()
1083 * @uses wp_post_revision_title()
1084 * @uses get_edit_post_link()
1085 * @uses get_author_name()
1087 * @todo split into two functions (list, form-table) ?
1089 * @param int|object $post_id Post ID or post object.
1090 * @param string|array $args See description {@link wp_parse_args()}.
1093 function wp_list_post_revisions( $post_id = 0, $args = null ) {
1094 if ( !$post = get_post( $post_id ) )
1097 $defaults = array( 'parent' => false, 'right' => false, 'left' => false, 'format' => 'list', 'type' => 'all' );
1098 extract( wp_parse_args( $args, $defaults ), EXTR_SKIP );
1102 if ( !$autosave = wp_get_post_autosave( $post->ID ) )
1104 $revisions = array( $autosave );
1106 case 'revision' : // just revisions - remove autosave later
1109 if ( !$revisions = wp_get_post_revisions( $post->ID ) )
1114 $titlef = _c( '%1$s by %2$s|post revision 1:datetime, 2:name' );
1117 array_unshift( $revisions, $post );
1121 $can_edit_post = current_user_can( 'edit_post', $post->ID );
1122 foreach ( $revisions as $revision ) {
1123 if ( !current_user_can( 'read_post', $revision->ID ) )
1125 if ( 'revision' === $type && wp_is_post_autosave( $revision ) )
1128 $date = wp_post_revision_title( $revision );
1129 $name = get_author_name( $revision->post_author );
1131 if ( 'form-table' == $format ) {
1133 $left_checked = $left == $revision->ID ? ' checked="checked"' : '';
1135 $left_checked = $right_checked ? ' checked="checked"' : ''; // [sic] (the next one)
1136 $right_checked = $right == $revision->ID ? ' checked="checked"' : '';
1138 $class = $class ? '' : " class='alternate'";
1140 if ( $post->ID != $revision->ID && $can_edit_post )
1141 $actions = '<a href="' . wp_nonce_url( add_query_arg( array( 'revision' => $revision->ID, 'diff' => false, 'action' => 'restore' ) ), "restore-post_$post->ID|$revision->ID" ) . '">' . __( 'Restore' ) . '</a>';
1145 $rows .= "<tr$class>\n";
1146 $rows .= "\t<th style='white-space: nowrap' scope='row'><input type='radio' name='left' value='$revision->ID'$left_checked /><input type='radio' name='right' value='$revision->ID'$right_checked /></th>\n";
1147 $rows .= "\t<td>$date</td>\n";
1148 $rows .= "\t<td>$name</td>\n";
1149 $rows .= "\t<td class='action-links'>$actions</td>\n";
1152 $title = sprintf( $titlef, $date, $name );
1153 $rows .= "\t<li>$title</li>\n";
1157 if ( 'form-table' == $format ) : ?>
1159 <form action="revision.php" method="get">
1161 <div class="tablenav">
1162 <div class="alignleft">
1163 <input type="submit" class="button-secondary" value="<?php _e( 'Compare Revisions' ); ?>" />
1164 <input type="hidden" name="action" value="diff" />
1168 <br class="clear" />
1170 <table class="widefat post-revisions" cellspacing="0">
1172 <col style="width: 33%" />
1173 <col style="width: 33%" />
1174 <col style="width: 33%" />
1177 <th scope="col"></th>
1178 <th scope="col"><?php _e( 'Date Created' ); ?></th>
1179 <th scope="col"><?php _e( 'Author' ); ?></th>
1180 <th scope="col" class="action-links"><?php _e( 'Actions' ); ?></th>
1185 <?php echo $rows; ?>
1194 echo "<ul class='post-revisions'>\n";