ID;
}
/**
* Display or retrieve the current post title with optional content.
*
* @since 0.71
*
* @param string $before Optional. Content to prepend to the title.
* @param string $after Optional. Content to append to the title.
* @param bool $echo Optional, default to true.Whether to display or return.
* @return null|string Null on no title. String if $echo parameter is false.
*/
function the_title($before = '', $after = '', $echo = true) {
$title = get_the_title();
if ( strlen($title) == 0 )
return;
$title = $before . $title . $after;
if ( $echo )
echo $title;
else
return $title;
}
/**
* Sanitize the current title when retrieving or displaying.
*
* Works like {@link the_title()}, except the parameters can be in a string or
* an array. See the function for what can be override in the $args parameter.
*
* The title before it is displayed will have the tags stripped and {@link
* esc_attr()} before it is passed to the user or displayed. The default
* as with {@link the_title()}, is to display the title.
*
* @since 2.3.0
*
* @param string|array $args Optional. Override the defaults.
* @return string|null Null on failure or display. String when echo is false.
*/
function the_title_attribute( $args = '' ) {
$defaults = array('before' => '', 'after' => '', 'echo' => true, 'post' => get_post() );
$r = wp_parse_args($args, $defaults);
extract( $r, EXTR_SKIP );
$title = get_the_title( $post );
if ( strlen($title) == 0 )
return;
$title = $before . $title . $after;
$title = esc_attr(strip_tags($title));
if ( $echo )
echo $title;
else
return $title;
}
/**
* Retrieve post title.
*
* If the post is protected and the visitor is not an admin, then "Protected"
* will be displayed before the post title. If the post is private, then
* "Private" will be located before the post title.
*
* @since 0.71
*
* @param int|object $post Optional. Post ID or object.
* @return string
*/
function get_the_title( $post = 0 ) {
$post = get_post( $post );
$title = isset( $post->post_title ) ? $post->post_title : '';
$id = isset( $post->ID ) ? $post->ID : 0;
if ( ! is_admin() ) {
if ( ! empty( $post->post_password ) ) {
$protected_title_format = apply_filters( 'protected_title_format', __( 'Protected: %s' ) );
$title = sprintf( $protected_title_format, $title );
} else if ( isset( $post->post_status ) && 'private' == $post->post_status ) {
$private_title_format = apply_filters( 'private_title_format', __( 'Private: %s' ) );
$title = sprintf( $private_title_format, $title );
}
}
return apply_filters( 'the_title', $title, $id );
}
/**
* Display the Post Global Unique Identifier (guid).
*
* The guid will appear to be a link, but should not be used as an link to the
* post. The reason you should not use it as a link, is because of moving the
* blog across domains.
*
* Url is escaped to make it xml safe
*
* @since 1.5.0
*
* @param int $id Optional. Post ID.
*/
function the_guid( $id = 0 ) {
echo esc_url( get_the_guid( $id ) );
}
/**
* Retrieve the Post Global Unique Identifier (guid).
*
* The guid will appear to be a link, but should not be used as an link to the
* post. The reason you should not use it as a link, is because of moving the
* blog across domains.
*
* @since 1.5.0
*
* @param int $id Optional. Post ID.
* @return string
*/
function get_the_guid( $id = 0 ) {
$post = get_post($id);
return apply_filters('get_the_guid', $post->guid);
}
/**
* Display the post content.
*
* @since 0.71
*
* @param string $more_link_text Optional. Content for when there is more text.
* @param bool $strip_teaser Optional. Strip teaser content before the more text. Default is false.
*/
function the_content( $more_link_text = null, $strip_teaser = false) {
$content = get_the_content( $more_link_text, $strip_teaser );
$content = apply_filters( 'the_content', $content );
$content = str_replace( ']]>', ']]>', $content );
echo $content;
}
/**
* Retrieve the post content.
*
* @since 0.71
*
* @param string $more_link_text Optional. Content for when there is more text.
* @param bool $stripteaser Optional. Strip teaser content before the more text. Default is false.
* @return string
*/
function get_the_content( $more_link_text = null, $strip_teaser = false ) {
global $page, $more, $preview, $pages, $multipage;
$post = get_post();
if ( null === $more_link_text )
$more_link_text = __( '(more…)' );
$output = '';
$has_teaser = false;
// If post password required and it doesn't match the cookie.
if ( post_password_required( $post ) )
return get_the_password_form( $post );
if ( $page > count( $pages ) ) // if the requested page doesn't exist
$page = count( $pages ); // give them the highest numbered page that DOES exist
$content = $pages[$page - 1];
if ( preg_match( '//', $content, $matches ) ) {
$content = explode( $matches[0], $content, 2 );
if ( ! empty( $matches[1] ) && ! empty( $more_link_text ) )
$more_link_text = strip_tags( wp_kses_no_null( trim( $matches[1] ) ) );
$has_teaser = true;
} else {
$content = array( $content );
}
if ( false !== strpos( $post->post_content, '' ) && ( ! $multipage || $page == 1 ) )
$strip_teaser = true;
$teaser = $content[0];
if ( $more && $strip_teaser && $has_teaser )
$teaser = '';
$output .= $teaser;
if ( count( $content ) > 1 ) {
if ( $more ) {
$output .= '' . $content[1];
} else {
if ( ! empty( $more_link_text ) )
$output .= apply_filters( 'the_content_more_link', ' ID}\" class=\"more-link\">$more_link_text", $more_link_text );
$output = force_balance_tags( $output );
}
}
if ( $preview ) // preview fix for javascript bug with foreign languages
$output = preg_replace_callback( '/\%u([0-9A-F]{4})/', '_convert_urlencoded_to_entities', $output );
return $output;
}
/**
* Preview fix for javascript bug with foreign languages
*
* @since 3.1.0
* @access private
* @param array $match Match array from preg_replace_callback
* @return string
*/
function _convert_urlencoded_to_entities( $match ) {
return '&#' . base_convert( $match[1], 16, 10 ) . ';';
}
/**
* Display the post excerpt.
*
* @since 0.71
* @uses apply_filters() Calls 'the_excerpt' hook on post excerpt.
*/
function the_excerpt() {
echo apply_filters('the_excerpt', get_the_excerpt());
}
/**
* Retrieve the post excerpt.
*
* @since 0.71
*
* @param mixed $deprecated Not used.
* @return string
*/
function get_the_excerpt( $deprecated = '' ) {
if ( !empty( $deprecated ) )
_deprecated_argument( __FUNCTION__, '2.3' );
$post = get_post();
if ( post_password_required() ) {
return __( 'There is no excerpt because this is a protected post.' );
}
return apply_filters( 'get_the_excerpt', $post->post_excerpt );
}
/**
* Whether post has excerpt.
*
* @since 2.3.0
*
* @param int $id Optional. Post ID.
* @return bool
*/
function has_excerpt( $id = 0 ) {
$post = get_post( $id );
return ( !empty( $post->post_excerpt ) );
}
/**
* Display the classes for the post div.
*
* @since 2.7.0
*
* @param string|array $class One or more classes to add to the class list.
* @param int $post_id An optional post ID.
*/
function post_class( $class = '', $post_id = null ) {
// Separates classes with a single space, collates classes for post DIV
echo 'class="' . join( ' ', get_post_class( $class, $post_id ) ) . '"';
}
/**
* Retrieve the classes for the post div as an array.
*
* The class names are many. If the post is a sticky, then the 'sticky'
* class name. The class 'hentry' is always added to each post. If the post has a
* post thumbnail, 'has-post-thumbnail' is added as a class. For each
* category, the class will be added with 'category-' with category slug is
* added. The tags are the same way as the categories with 'tag-' before the tag
* slug. All classes are passed through the filter, 'post_class' with the list
* of classes, followed by $class parameter value, with the post ID as the last
* parameter.
*
* @since 2.7.0
*
* @param string|array $class One or more classes to add to the class list.
* @param int $post_id An optional post ID.
* @return array Array of classes.
*/
function get_post_class( $class = '', $post_id = null ) {
$post = get_post($post_id);
$classes = array();
if ( empty($post) )
return $classes;
$classes[] = 'post-' . $post->ID;
if ( ! is_admin() )
$classes[] = $post->post_type;
$classes[] = 'type-' . $post->post_type;
$classes[] = 'status-' . $post->post_status;
// Post Format
if ( post_type_supports( $post->post_type, 'post-formats' ) ) {
$post_format = get_post_format( $post->ID );
if ( $post_format && !is_wp_error($post_format) )
$classes[] = 'format-' . sanitize_html_class( $post_format );
else
$classes[] = 'format-standard';
}
// Post requires password
if ( post_password_required( $post->ID ) ) {
$classes[] = 'post-password-required';
// Post thumbnails
} elseif ( current_theme_supports( 'post-thumbnails' ) && has_post_thumbnail( $post->ID ) ) {
$classes[] = 'has-post-thumbnail';
}
// sticky for Sticky Posts
if ( is_sticky($post->ID) && is_home() && !is_paged() )
$classes[] = 'sticky';
// hentry for hAtom compliance
$classes[] = 'hentry';
// Categories
if ( is_object_in_taxonomy( $post->post_type, 'category' ) ) {
foreach ( (array) get_the_category($post->ID) as $cat ) {
if ( empty($cat->slug ) )
continue;
$classes[] = 'category-' . sanitize_html_class($cat->slug, $cat->term_id);
}
}
// Tags
if ( is_object_in_taxonomy( $post->post_type, 'post_tag' ) ) {
foreach ( (array) get_the_tags($post->ID) as $tag ) {
if ( empty($tag->slug ) )
continue;
$classes[] = 'tag-' . sanitize_html_class($tag->slug, $tag->term_id);
}
}
if ( !empty($class) ) {
if ( !is_array( $class ) )
$class = preg_split('#\s+#', $class);
$classes = array_merge($classes, $class);
}
$classes = array_map('esc_attr', $classes);
return apply_filters('post_class', $classes, $class, $post->ID);
}
/**
* Display the classes for the body element.
*
* @since 2.8.0
*
* @param string|array $class One or more classes to add to the class list.
*/
function body_class( $class = '' ) {
// Separates classes with a single space, collates classes for body element
echo 'class="' . join( ' ', get_body_class( $class ) ) . '"';
}
/**
* Retrieve the classes for the body element as an array.
*
* @since 2.8.0
*
* @param string|array $class One or more classes to add to the class list.
* @return array Array of classes.
*/
function get_body_class( $class = '' ) {
global $wp_query, $wpdb;
$classes = array();
if ( is_rtl() )
$classes[] = 'rtl';
if ( is_front_page() )
$classes[] = 'home';
if ( is_home() )
$classes[] = 'blog';
if ( is_archive() )
$classes[] = 'archive';
if ( is_date() )
$classes[] = 'date';
if ( is_search() ) {
$classes[] = 'search';
$classes[] = $wp_query->posts ? 'search-results' : 'search-no-results';
}
if ( is_paged() )
$classes[] = 'paged';
if ( is_attachment() )
$classes[] = 'attachment';
if ( is_404() )
$classes[] = 'error404';
if ( is_single() ) {
$post_id = $wp_query->get_queried_object_id();
$post = $wp_query->get_queried_object();
$classes[] = 'single';
if ( isset( $post->post_type ) ) {
$classes[] = 'single-' . sanitize_html_class($post->post_type, $post_id);
$classes[] = 'postid-' . $post_id;
// Post Format
if ( post_type_supports( $post->post_type, 'post-formats' ) ) {
$post_format = get_post_format( $post->ID );
if ( $post_format && !is_wp_error($post_format) )
$classes[] = 'single-format-' . sanitize_html_class( $post_format );
else
$classes[] = 'single-format-standard';
}
}
if ( is_attachment() ) {
$mime_type = get_post_mime_type($post_id);
$mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/', 'music/' );
$classes[] = 'attachmentid-' . $post_id;
$classes[] = 'attachment-' . str_replace( $mime_prefix, '', $mime_type );
}
} elseif ( is_archive() ) {
if ( is_post_type_archive() ) {
$classes[] = 'post-type-archive';
$post_type = get_query_var( 'post_type' );
if ( is_array( $post_type ) )
$post_type = reset( $post_type );
$classes[] = 'post-type-archive-' . sanitize_html_class( $post_type );
} else if ( is_author() ) {
$author = $wp_query->get_queried_object();
$classes[] = 'author';
if ( isset( $author->user_nicename ) ) {
$classes[] = 'author-' . sanitize_html_class( $author->user_nicename, $author->ID );
$classes[] = 'author-' . $author->ID;
}
} elseif ( is_category() ) {
$cat = $wp_query->get_queried_object();
$classes[] = 'category';
if ( isset( $cat->term_id ) ) {
$classes[] = 'category-' . sanitize_html_class( $cat->slug, $cat->term_id );
$classes[] = 'category-' . $cat->term_id;
}
} elseif ( is_tag() ) {
$tags = $wp_query->get_queried_object();
$classes[] = 'tag';
if ( isset( $tags->term_id ) ) {
$classes[] = 'tag-' . sanitize_html_class( $tags->slug, $tags->term_id );
$classes[] = 'tag-' . $tags->term_id;
}
} elseif ( is_tax() ) {
$term = $wp_query->get_queried_object();
if ( isset( $term->term_id ) ) {
$classes[] = 'tax-' . sanitize_html_class( $term->taxonomy );
$classes[] = 'term-' . sanitize_html_class( $term->slug, $term->term_id );
$classes[] = 'term-' . $term->term_id;
}
}
} elseif ( is_page() ) {
$classes[] = 'page';
$page_id = $wp_query->get_queried_object_id();
$post = get_post($page_id);
$classes[] = 'page-id-' . $page_id;
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) ) )
$classes[] = 'page-parent';
if ( $post->post_parent ) {
$classes[] = 'page-child';
$classes[] = 'parent-pageid-' . $post->post_parent;
}
if ( is_page_template() ) {
$classes[] = 'page-template';
$classes[] = 'page-template-' . sanitize_html_class( str_replace( '.', '-', get_page_template_slug( $page_id ) ) );
} else {
$classes[] = 'page-template-default';
}
}
if ( is_user_logged_in() )
$classes[] = 'logged-in';
if ( is_admin_bar_showing() ) {
$classes[] = 'admin-bar';
$classes[] = 'no-customize-support';
}
if ( get_theme_mod( 'background_color' ) || get_background_image() )
$classes[] = 'custom-background';
$page = $wp_query->get( 'page' );
if ( !$page || $page < 2)
$page = $wp_query->get( 'paged' );
if ( $page && $page > 1 ) {
$classes[] = 'paged-' . $page;
if ( is_single() )
$classes[] = 'single-paged-' . $page;
elseif ( is_page() )
$classes[] = 'page-paged-' . $page;
elseif ( is_category() )
$classes[] = 'category-paged-' . $page;
elseif ( is_tag() )
$classes[] = 'tag-paged-' . $page;
elseif ( is_date() )
$classes[] = 'date-paged-' . $page;
elseif ( is_author() )
$classes[] = 'author-paged-' . $page;
elseif ( is_search() )
$classes[] = 'search-paged-' . $page;
elseif ( is_post_type_archive() )
$classes[] = 'post-type-paged-' . $page;
}
if ( ! empty( $class ) ) {
if ( !is_array( $class ) )
$class = preg_split( '#\s+#', $class );
$classes = array_merge( $classes, $class );
} else {
// Ensure that we always coerce class to being an array.
$class = array();
}
$classes = array_map( 'esc_attr', $classes );
return apply_filters( 'body_class', $classes, $class );
}
/**
* Whether post requires password and correct password has been provided.
*
* @since 2.7.0
*
* @param int|WP_Post $post An optional post. Global $post used if not provided.
* @return bool false if a password is not required or the correct password cookie is present, true otherwise.
*/
function post_password_required( $post = null ) {
$post = get_post($post);
if ( empty( $post->post_password ) )
return false;
if ( ! isset( $_COOKIE['wp-postpass_' . COOKIEHASH] ) )
return true;
require_once ABSPATH . 'wp-includes/class-phpass.php';
$hasher = new PasswordHash( 8, true );
$hash = wp_unslash( $_COOKIE[ 'wp-postpass_' . COOKIEHASH ] );
if ( 0 !== strpos( $hash, '$P$B' ) )
return true;
return ! $hasher->CheckPassword( $post->post_password, $hash );
}
//
// Page Template Functions for usage in Themes
//
/**
* The formatted output of a list of pages.
*
* Displays page links for paginated posts (i.e. includes the .
* Quicktag one or more times). This tag must be within The Loop.
*
* The defaults for overwriting are:
* 'before' - Default is '
Pages:' (string). The html or text to prepend to
* each bookmarks.
* 'after' - Default is '
';
// If the front page is a page, add it to the exclude list
if (get_option('show_on_front') == 'page') {
if ( !empty( $list_args['exclude'] ) ) {
$list_args['exclude'] .= ',';
} else {
$list_args['exclude'] = '';
}
$list_args['exclude'] .= get_option('page_on_front');
}
}
$list_args['echo'] = false;
$list_args['title_li'] = '';
$menu .= str_replace( array( "\r", "\n", "\t" ), '', wp_list_pages($list_args) );
if ( $menu )
$menu = '
' . $menu . '
';
$menu = '
' . $menu . "
\n";
$menu = apply_filters( 'wp_page_menu', $menu, $args );
if ( $args['echo'] )
echo $menu;
else
return $menu;
}
//
// Page helpers
//
/**
* Retrieve HTML list content for page list.
*
* @uses Walker_Page to create HTML list content.
* @since 2.1.0
* @see Walker_Page::walk() for parameters and return description.
*/
function walk_page_tree($pages, $depth, $current_page, $r) {
if ( empty($r['walker']) )
$walker = new Walker_Page;
else
$walker = $r['walker'];
foreach ( (array) $pages as $page ) {
if ( $page->post_parent )
$r['pages_with_children'][ $page->post_parent ] = true;
}
$args = array($pages, $depth, $r, $current_page);
return call_user_func_array(array($walker, 'walk'), $args);
}
/**
* Retrieve HTML dropdown (select) content for page list.
*
* @uses Walker_PageDropdown to create HTML dropdown content.
* @since 2.1.0
* @see Walker_PageDropdown::walk() for parameters and return description.
*/
function walk_page_dropdown_tree() {
$args = func_get_args();
if ( empty($args[2]['walker']) ) // the user's options are the third parameter
$walker = new Walker_PageDropdown;
else
$walker = $args[2]['walker'];
return call_user_func_array(array($walker, 'walk'), $args);
}
/**
* Create HTML list of pages.
*
* @since 2.1.0
* @uses Walker
*/
class Walker_Page extends Walker {
/**
* @see Walker::$tree_type
* @since 2.1.0
* @var string
*/
var $tree_type = 'page';
/**
* @see Walker::$db_fields
* @since 2.1.0
* @todo Decouple this.
* @var array
*/
var $db_fields = array ('parent' => 'post_parent', 'id' => 'ID');
/**
* @see Walker::start_lvl()
* @since 2.1.0
*
* @param string $output Passed by reference. Used to append additional content.
* @param int $depth Depth of page. Used for padding.
* @param array $args
*/
function start_lvl( &$output, $depth = 0, $args = array() ) {
$indent = str_repeat("\t", $depth);
$output .= "\n$indent
\n";
}
/**
* @see Walker::end_lvl()
* @since 2.1.0
*
* @param string $output Passed by reference. Used to append additional content.
* @param int $depth Depth of page. Used for padding.
* @param array $args
*/
function end_lvl( &$output, $depth = 0, $args = array() ) {
$indent = str_repeat("\t", $depth);
$output .= "$indent
\n";
}
/**
* @see Walker::start_el()
* @since 2.1.0
*
* @param string $output Passed by reference. Used to append additional content.
* @param object $page Page data object.
* @param int $depth Depth of page. Used for padding.
* @param int $current_page Page ID.
* @param array $args
*/
function start_el( &$output, $page, $depth = 0, $args = array(), $current_page = 0 ) {
if ( $depth )
$indent = str_repeat("\t", $depth);
else
$indent = '';
extract($args, EXTR_SKIP);
$css_class = array('page_item', 'page-item-'.$page->ID);
if( isset( $args['pages_with_children'][ $page->ID ] ) )
$css_class[] = 'page_item_has_children';
if ( !empty($current_page) ) {
$_current_page = get_post( $current_page );
if ( in_array( $page->ID, $_current_page->ancestors ) )
$css_class[] = 'current_page_ancestor';
if ( $page->ID == $current_page )
$css_class[] = 'current_page_item';
elseif ( $_current_page && $page->ID == $_current_page->post_parent )
$css_class[] = 'current_page_parent';
} elseif ( $page->ID == get_option('page_for_posts') ) {
$css_class[] = 'current_page_parent';
}
$css_class = implode( ' ', apply_filters( 'page_css_class', $css_class, $page, $depth, $args, $current_page ) );
if ( '' === $page->post_title )
$page->post_title = sprintf( __( '#%d (no title)' ), $page->ID );
/** This filter is documented in wp-includes/post-template.php */
$output .= $indent . '
' . $link_before . apply_filters( 'the_title', $page->post_title, $page->ID ) . $link_after . '';
if ( !empty($show_date) ) {
if ( 'modified' == $show_date )
$time = $page->post_modified;
else
$time = $page->post_date;
$output .= " " . mysql2date($date_format, $time);
}
}
/**
* @see Walker::end_el()
* @since 2.1.0
*
* @param string $output Passed by reference. Used to append additional content.
* @param object $page Page data object. Not used.
* @param int $depth Depth of page. Not Used.
* @param array $args
*/
function end_el( &$output, $page, $depth = 0, $args = array() ) {
$output .= "
\n";
}
}
/**
* Create HTML dropdown list of pages.
*
* @since 2.1.0
* @uses Walker
*/
class Walker_PageDropdown extends Walker {
/**
* @see Walker::$tree_type
* @since 2.1.0
* @var string
*/
var $tree_type = 'page';
/**
* @see Walker::$db_fields
* @since 2.1.0
* @todo Decouple this
* @var array
*/
var $db_fields = array ('parent' => 'post_parent', 'id' => 'ID');
/**
* @see Walker::start_el()
* @since 2.1.0
*
* @param string $output Passed by reference. Used to append additional content.
* @param object $page Page data object.
* @param int $depth Depth of page in reference to parent pages. Used for padding.
* @param array $args Uses 'selected' argument for selected page to set selected HTML attribute for option element.
* @param int $id
*/
function start_el( &$output, $page, $depth = 0, $args = array(), $id = 0 ) {
$pad = str_repeat(' ', $depth * 3);
$output .= "\t\n";
}
}
//
// Attachments
//
/**
* Display an attachment page link using an image or icon.
*
* @since 2.0.0
*
* @param int $id Optional. Post ID.
* @param bool $fullsize Optional, default is false. Whether to use full size.
* @param bool $deprecated Deprecated. Not used.
* @param bool $permalink Optional, default is false. Whether to include permalink.
*/
function the_attachment_link( $id = 0, $fullsize = false, $deprecated = false, $permalink = false ) {
if ( !empty( $deprecated ) )
_deprecated_argument( __FUNCTION__, '2.5' );
if ( $fullsize )
echo wp_get_attachment_link($id, 'full', $permalink);
else
echo wp_get_attachment_link($id, 'thumbnail', $permalink);
}
/**
* Retrieve an attachment page link using an image or icon, if possible.
*
* @since 2.5.0
* @uses apply_filters() Calls 'wp_get_attachment_link' filter on HTML content with same parameters as function.
*
* @param int $id Optional. Post ID.
* @param string $size Optional, default is 'thumbnail'. Size of image, either array or string.
* @param bool $permalink Optional, default is false. Whether to add permalink to image.
* @param bool $icon Optional, default is false. Whether to include icon.
* @param string|bool $text Optional, default is false. If string, then will be link text.
* @return string HTML content.
*/
function wp_get_attachment_link( $id = 0, $size = 'thumbnail', $permalink = false, $icon = false, $text = false ) {
$id = intval( $id );
$_post = get_post( $id );
if ( empty( $_post ) || ( 'attachment' != $_post->post_type ) || ! $url = wp_get_attachment_url( $_post->ID ) )
return __( 'Missing Attachment' );
if ( $permalink )
$url = get_attachment_link( $_post->ID );
$post_title = esc_attr( $_post->post_title );
if ( $text )
$link_text = $text;
elseif ( $size && 'none' != $size )
$link_text = wp_get_attachment_image( $id, $size, $icon );
else
$link_text = '';
if ( trim( $link_text ) == '' )
$link_text = $_post->post_title;
return apply_filters( 'wp_get_attachment_link', "$link_text", $id, $size, $permalink, $icon, $text );
}
/**
* Wrap attachment in <
> element before content.
*
* @since 2.0.0
* @uses apply_filters() Calls 'prepend_attachment' hook on HTML content.
*
* @param string $content
* @return string
*/
function prepend_attachment($content) {
$post = get_post();
if ( empty($post->post_type) || $post->post_type != 'attachment' )
return $content;
$p = '
';
// show the medium sized image representation of the attachment if available, and link to the raw file
$p .= wp_get_attachment_link(0, 'medium', false);
$p .= '
';
$p = apply_filters('prepend_attachment', $p);
return "$p\n$content";
}
//
// Misc
//
/**
* Retrieve protected post password form content.
*
* @since 1.0.0
* @uses apply_filters() Calls 'the_password_form' filter on output.
* @param int|WP_Post $post Optional. A post id or post object. Defaults to the current post when in The Loop, undefined otherwise.
* @return string HTML content for password form for password protected post.
*/
function get_the_password_form( $post = 0 ) {
$post = get_post( $post );
$label = 'pwbox-' . ( empty($post->ID) ? rand() : $post->ID );
$output = '
';
return apply_filters( 'the_password_form', $output );
}
/**
* Whether currently in a page template.
*
* This template tag allows you to determine if you are in a page template.
* You can optionally provide a template name and then the check will be
* specific to that template.
*
* @since 2.5.0
* @uses $wp_query
*
* @param string $template The specific template name if specific matching is required.
* @return bool True on success, false on failure.
*/
function is_page_template( $template = '' ) {
if ( ! is_page() )
return false;
$page_template = get_page_template_slug( get_queried_object_id() );
if ( empty( $template ) )
return (bool) $page_template;
if ( $template == $page_template )
return true;
if ( 'default' == $template && ! $page_template )
return true;
return false;
}
/**
* Get the specific template name for a page.
*
* @since 3.4.0
*
* @param int $post_id Optional. The page ID to check. Defaults to the current post, when used in the loop.
* @return string|bool Page template filename. Returns an empty string when the default page template
* is in use. Returns false if the post is not a page.
*/
function get_page_template_slug( $post_id = null ) {
$post = get_post( $post_id );
if ( ! $post || 'page' != $post->post_type )
return false;
$template = get_post_meta( $post->ID, '_wp_page_template', true );
if ( ! $template || 'default' == $template )
return '';
return $template;
}
/**
* Retrieve formatted date timestamp of a revision (linked to that revisions's page).
*
* @since 2.6.0
*
* @uses date_i18n()
*
* @param int|object $revision Revision ID or revision object.
* @param bool $link Optional, default is true. Link to revisions's page?
* @return string i18n formatted datetimestamp or localized 'Current Revision'.
*/
function wp_post_revision_title( $revision, $link = true ) {
if ( !$revision = get_post( $revision ) )
return $revision;
if ( !in_array( $revision->post_type, array( 'post', 'page', 'revision' ) ) )
return false;
/* translators: revision date format, see http://php.net/date */
$datef = _x( 'j F, Y @ G:i', 'revision date format');
/* translators: 1: date */
$autosavef = _x( '%1$s [Autosave]', 'post revision title extra' );
/* translators: 1: date */
$currentf = _x( '%1$s [Current Revision]', 'post revision title extra' );
$date = date_i18n( $datef, strtotime( $revision->post_modified ) );
if ( $link && current_user_can( 'edit_post', $revision->ID ) && $link = get_edit_post_link( $revision->ID ) )
$date = "$date";
if ( !wp_is_post_revision( $revision ) )
$date = sprintf( $currentf, $date );
elseif ( wp_is_post_autosave( $revision ) )
$date = sprintf( $autosavef, $date );
return $date;
}
/**
* Retrieve formatted date timestamp of a revision (linked to that revisions's page).
*
* @since 3.6.0
*
* @uses date_i18n()
*
* @param int|object $revision Revision ID or revision object.
* @param bool $link Optional, default is true. Link to revisions's page?
* @return string gravatar, user, i18n formatted datetimestamp or localized 'Current Revision'.
*/
function wp_post_revision_title_expanded( $revision, $link = true ) {
if ( !$revision = get_post( $revision ) )
return $revision;
if ( !in_array( $revision->post_type, array( 'post', 'page', 'revision' ) ) )
return false;
$author = get_the_author_meta( 'display_name', $revision->post_author );
/* translators: revision date format, see http://php.net/date */
$datef = _x( 'j F, Y @ G:i:s', 'revision date format');
$gravatar = get_avatar( $revision->post_author, 24 );
$date = date_i18n( $datef, strtotime( $revision->post_modified ) );
if ( $link && current_user_can( 'edit_post', $revision->ID ) && $link = get_edit_post_link( $revision->ID ) )
$date = "$date";
$revision_date_author = sprintf(
/* translators: post revision title: 1: author avatar, 2: author name, 3: time ago, 4: date */
_x( '%1$s %2$s, %3$s ago (%4$s)', 'post revision title' ),
$gravatar,
$author,
human_time_diff( strtotime( $revision->post_modified ), current_time( 'timestamp' ) ),
$date
);
$autosavef = __( '%1$s [Autosave]' );
$currentf = __( '%1$s [Current Revision]' );
if ( !wp_is_post_revision( $revision ) )
$revision_date_author = sprintf( $currentf, $revision_date_author );
elseif ( wp_is_post_autosave( $revision ) )
$revision_date_author = sprintf( $autosavef, $revision_date_author );
return $revision_date_author;
}
/**
* Display list of a post's revisions.
*
* Can output either a UL with edit links or a TABLE with diff interface, and
* restore action links.
*
* @since 2.6.0
*
* @uses wp_get_post_revisions()
* @uses wp_post_revision_title_expanded()
* @uses get_edit_post_link()
* @uses get_the_author_meta()
*
* @param int|object $post_id Post ID or post object.
* @param string $type 'all' (default), 'revision' or 'autosave'
* @return null
*/
function wp_list_post_revisions( $post_id = 0, $type = 'all' ) {
if ( ! $post = get_post( $post_id ) )
return;
// $args array with (parent, format, right, left, type) deprecated since 3.6
if ( is_array( $type ) ) {
$type = ! empty( $type['type'] ) ? $type['type'] : $type;
_deprecated_argument( __FUNCTION__, '3.6' );
}
if ( ! $revisions = wp_get_post_revisions( $post->ID ) )
return;
$rows = '';
foreach ( $revisions as $revision ) {
if ( ! current_user_can( 'read_post', $revision->ID ) )
continue;
$is_autosave = wp_is_post_autosave( $revision );
if ( ( 'revision' === $type && $is_autosave ) || ( 'autosave' === $type && ! $is_autosave ) )
continue;
$rows .= "\t