+/**
+ * Print RSS comment feed link.
+ *
+ * @since 1.0.1
+ * @deprecated 2.5
+ * @deprecated Use post_comments_feed_link()
+ * @see post_comments_feed_link()
+ *
+ * @param string $link_text
+ */
+function comments_rss_link($link_text = 'Comments RSS') {
+ _deprecated_function( __FUNCTION__, '2.5', 'post_comments_feed_link()' );
+ post_comments_feed_link($link_text);
+}
+
+/**
+ * Print/Return link to category RSS2 feed.
+ *
+ * @since 1.2
+ * @deprecated 2.5
+ * @deprecated Use get_category_feed_link()
+ * @see get_category_feed_link()
+ *
+ * @param bool $echo
+ * @param int $cat_ID
+ * @return string|null
+ */
+function get_category_rss_link($echo = false, $cat_ID = 1) {
+ _deprecated_function( __FUNCTION__, '2.5', 'get_category_feed_link()' );
+
+ $link = get_category_feed_link($cat_ID, 'rss2');
+
+ if ( $echo )
+ echo $link;
+ return $link;
+}
+
+/**
+ * Print/Return link to author RSS feed.
+ *
+ * @since 1.2
+ * @deprecated 2.5
+ * @deprecated Use get_author_feed_link()
+ * @see get_author_feed_link()
+ *
+ * @param bool $echo
+ * @param int $author_id
+ * @return string|null
+ */
+function get_author_rss_link($echo = false, $author_id = 1) {
+ _deprecated_function( __FUNCTION__, '2.5', 'get_author_feed_link()' );
+
+ $link = get_author_feed_link($author_id);
+ if ( $echo )
+ echo $link;
+ return $link;
+}
+
+/**
+ * Return link to the post RSS feed.
+ *
+ * @since 1.5
+ * @deprecated 2.2
+ * @deprecated Use get_post_comments_feed_link()
+ * @see get_post_comments_feed_link()
+ *
+ * @return string
+ */
+function comments_rss() {
+ _deprecated_function( __FUNCTION__, '2.2', 'get_post_comments_feed_link()' );
+ return get_post_comments_feed_link();
+}
+
+/**
+ * An alias of wp_create_user().
+ *
+ * @since 2.0
+ * @deprecated 2.0
+ * @deprecated Use wp_create_user()
+ * @see wp_create_user()
+ *
+ * @param string $username The user's username.
+ * @param string $password The user's password.
+ * @param string $email The user's email (optional).
+ * @return int The new user's ID.
+ */
+function create_user($username, $password, $email) {
+ _deprecated_function( __FUNCTION__, '2.0', 'wp_create_user()' );
+ return wp_create_user($username, $password, $email);
+}
+
+/**
+ * Unused function.
+ *
+ * @deprecated 2.5
+*/
+function gzip_compression() {
+ _deprecated_function( __FUNCTION__, '2.5' );
+ return false;
+}
+
+/**
+ * Retrieve an array of comment data about comment $comment_ID.
+ *
+ * @since 0.71
+ * @deprecated 2.7
+ * @deprecated Use get_comment()
+ * @see get_comment()
+ *
+ * @param int $comment_ID The ID of the comment
+ * @param int $no_cache Whether to use the cache (cast to bool)
+ * @param bool $include_unapproved Whether to include unapproved comments
+ * @return array The comment data
+ */
+function get_commentdata( $comment_ID, $no_cache = 0, $include_unapproved = false ) {
+ _deprecated_function( __FUNCTION__, '2.7', 'get_comment()' );
+ return get_comment($comment_ID, ARRAY_A);
+}
+
+/**
+ * Retrieve the category name by the category ID.
+ *
+ * @since 0.71
+ * @deprecated 2.8
+ * @deprecated Use get_cat_name()
+ * @see get_cat_name()
+ *
+ * @param int $cat_ID Category ID
+ * @return string category name
+ */
+function get_catname( $cat_ID ) {
+ _deprecated_function( __FUNCTION__, '2.8', 'get_cat_name()' );
+ return get_cat_name( $cat_ID );
+}
+
+/**
+ * Retrieve category children list separated before and after the term IDs.
+ *
+ * @since 1.2.0
+ * @deprecated 2.8
+ * @deprecated Use get_term_children()
+ * @see get_term_children()
+ *
+ * @param int $id Category ID to retrieve children.
+ * @param string $before Optional. Prepend before category term ID.
+ * @param string $after Optional, default is empty string. Append after category term ID.
+ * @param array $visited Optional. Category Term IDs that have already been added.
+ * @return string
+ */
+function get_category_children( $id, $before = '/', $after = '', $visited = array() ) {
+ _deprecated_function( __FUNCTION__, '2.8', 'get_term_children()' );
+ if ( 0 == $id )
+ return '';
+
+ $chain = '';
+ /** TODO: consult hierarchy */
+ $cat_ids = get_all_category_ids();
+ foreach ( (array) $cat_ids as $cat_id ) {
+ if ( $cat_id == $id )
+ continue;
+
+ $category = get_category( $cat_id );
+ if ( is_wp_error( $category ) )
+ return $category;
+ if ( $category->parent == $id && !in_array( $category->term_id, $visited ) ) {
+ $visited[] = $category->term_id;
+ $chain .= $before.$category->term_id.$after;
+ $chain .= get_category_children( $category->term_id, $before, $after );
+ }
+ }
+ return $chain;
+}
+
+/**
+ * Retrieve the description of the author of the current post.
+ *
+ * @since 1.5
+ * @deprecated 2.8
+ * @deprecated Use the_author_meta('description')
+ * @see get_the_author_meta()
+ *
+ * @return string The author's description.
+ */
+function get_the_author_description() {
+ _deprecated_function( __FUNCTION__, '2.8', 'get_the_author_meta(\'description\')' );
+ return get_the_author_meta('description');
+}
+
+/**
+ * Display the description of the author of the current post.
+ *
+ * @since 1.0.0
+ * @deprecated 2.8
+ * @deprecated Use the_author_meta('description')
+ * @see the_author_meta()
+ */
+function the_author_description() {
+ _deprecated_function( __FUNCTION__, '2.8', 'the_author_meta(\'description\')' );
+ the_author_meta('description');
+}
+
+/**
+ * Retrieve the login name of the author of the current post.
+ *
+ * @since 1.5
+ * @deprecated 2.8
+ * @deprecated Use the_author_meta('login')
+ * @see get_the_author_meta()
+ *
+ * @return string The author's login name (username).
+ */
+function get_the_author_login() {
+ _deprecated_function( __FUNCTION__, '2.8', 'get_the_author_meta(\'login\')' );
+ return get_the_author_meta('login');
+}
+
+/**
+ * Display the login name of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8
+ * @deprecated Use the_author_meta('login')
+ * @see the_author_meta()
+ */
+function the_author_login() {
+ _deprecated_function( __FUNCTION__, '2.8', 'the_author_meta(\'login\')' );
+ the_author_meta('login');
+}
+
+/**
+ * Retrieve the first name of the author of the current post.
+ *
+ * @since 1.5
+ * @deprecated 2.8
+ * @deprecated Use the_author_meta('first_name')
+ * @see get_the_author_meta()
+ *
+ * @return string The author's first name.
+ */
+function get_the_author_firstname() {
+ _deprecated_function( __FUNCTION__, '2.8', 'get_the_author_meta(\'first_name\')' );
+ return get_the_author_meta('first_name');
+}
+
+/**
+ * Display the first name of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8
+ * @deprecated Use the_author_meta('first_name')
+ * @see the_author_meta()
+ */
+function the_author_firstname() {
+ _deprecated_function( __FUNCTION__, '2.8', 'the_author_meta(\'first_name\')' );
+ the_author_meta('first_name');
+}
+
+/**
+ * Retrieve the last name of the author of the current post.
+ *
+ * @since 1.5
+ * @deprecated 2.8
+ * @deprecated Use get_the_author_meta('last_name')
+ * @see get_the_author_meta()
+ *
+ * @return string The author's last name.
+ */
+function get_the_author_lastname() {
+ _deprecated_function( __FUNCTION__, '2.8', 'get_the_author_meta(\'last_name\')' );
+ return get_the_author_meta('last_name');
+}
+
+/**
+ * Display the last name of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8
+ * @deprecated Use the_author_meta('last_name')
+ * @see the_author_meta()
+ */
+function the_author_lastname() {
+ _deprecated_function( __FUNCTION__, '2.8', 'the_author_meta(\'last_name\')' );
+ the_author_meta('last_name');
+}
+
+/**
+ * Retrieve the nickname of the author of the current post.
+ *
+ * @since 1.5
+ * @deprecated 2.8
+ * @deprecated Use get_the_author_meta('nickname')
+ * @see get_the_author_meta()
+ *
+ * @return string The author's nickname.
+ */
+function get_the_author_nickname() {
+ _deprecated_function( __FUNCTION__, '2.8', 'get_the_author_meta(\'nickname\')' );
+ return get_the_author_meta('nickname');
+}
+
+/**
+ * Display the nickname of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8
+ * @deprecated Use the_author_meta('nickname')
+ * @see the_author_meta()
+ */
+function the_author_nickname() {
+ _deprecated_function( __FUNCTION__, '2.8', 'the_author_meta(\'nickname\')' );
+ the_author_meta('nickname');
+}
+
+/**
+ * Retrieve the email of the author of the current post.
+ *
+ * @since 1.5
+ * @deprecated 2.8
+ * @deprecated Use get_the_author_meta('email')
+ * @see get_the_author_meta()
+ *
+ * @return string The author's username.
+ */
+function get_the_author_email() {
+ _deprecated_function( __FUNCTION__, '2.8', 'get_the_author_meta(\'email\')' );
+ return get_the_author_meta('email');
+}
+
+/**
+ * Display the email of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8
+ * @deprecated Use the_author_meta('email')
+ * @see the_author_meta()
+ */
+function the_author_email() {
+ _deprecated_function( __FUNCTION__, '2.8', 'the_author_meta(\'email\')' );
+ the_author_meta('email');
+}
+
+/**
+ * Retrieve the ICQ number of the author of the current post.
+ *
+ * @since 1.5
+ * @deprecated 2.8
+ * @deprecated Use get_the_author_meta('icq')
+ * @see get_the_author_meta()
+ *
+ * @return string The author's ICQ number.
+ */
+function get_the_author_icq() {
+ _deprecated_function( __FUNCTION__, '2.8', 'get_the_author_meta(\'icq\')' );
+ return get_the_author_meta('icq');
+}
+
+/**
+ * Display the ICQ number of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8
+ * @deprecated Use the_author_meta('icq')
+ * @see the_author_meta()
+ */
+function the_author_icq() {
+ _deprecated_function( __FUNCTION__, '2.8', 'the_author_meta(\'icq\')' );
+ the_author_meta('icq');
+}
+
+/**
+ * Retrieve the Yahoo! IM name of the author of the current post.
+ *
+ * @since 1.5
+ * @deprecated 2.8
+ * @deprecated Use get_the_author_meta('yim')
+ * @see get_the_author_meta()
+ *
+ * @return string The author's Yahoo! IM name.
+ */
+function get_the_author_yim() {
+ _deprecated_function( __FUNCTION__, '2.8', 'get_the_author_meta(\'yim\')' );
+ return get_the_author_meta('yim');
+}
+
+/**
+ * Display the Yahoo! IM name of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8
+ * @deprecated Use the_author_meta('yim')
+ * @see the_author_meta()
+ */
+function the_author_yim() {
+ _deprecated_function( __FUNCTION__, '2.8', 'the_author_meta(\'yim\')' );
+ the_author_meta('yim');
+}
+
+/**
+ * Retrieve the MSN address of the author of the current post.
+ *
+ * @since 1.5
+ * @deprecated 2.8
+ * @deprecated Use get_the_author_meta('msn')
+ * @see get_the_author_meta()
+ *
+ * @return string The author's MSN address.
+ */
+function get_the_author_msn() {
+ _deprecated_function( __FUNCTION__, '2.8', 'get_the_author_meta(\'msn\')' );
+ return get_the_author_meta('msn');
+}
+
+/**
+ * Display the MSN address of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8
+ * @deprecated Use the_author_meta('msn')
+ * @see the_author_meta()
+ */
+function the_author_msn() {
+ _deprecated_function( __FUNCTION__, '2.8', 'the_author_meta(\'msn\')' );
+ the_author_meta('msn');
+}
+
+/**
+ * Retrieve the AIM address of the author of the current post.
+ *
+ * @since 1.5
+ * @deprecated 2.8
+ * @deprecated Use get_the_author_meta('aim')
+ * @see get_the_author_meta()
+ *
+ * @return string The author's AIM address.
+ */
+function get_the_author_aim() {
+ _deprecated_function( __FUNCTION__, '2.8', 'get_the_author_meta(\'aim\')' );
+ return get_the_author_meta('aim');
+}
+
+/**
+ * Display the AIM address of the author of the current post.
+ *
+ * @since 0.71
+ * @see the_author_meta()
+ * @deprecated 2.8
+ * @deprecated Use the_author_meta('aim')
+ */
+function the_author_aim() {
+ _deprecated_function( __FUNCTION__, '2.8', 'the_author_meta(\'aim\')' );
+ the_author_meta('aim');
+}
+
+/**
+ * Retrieve the specified author's preferred display name.
+ *
+ * @since 1.0.0
+ * @deprecated 2.8
+ * @deprecated Use get_the_author_meta('display_name')
+ * @see get_the_author_meta()
+ *
+ * @param int $auth_id The ID of the author.
+ * @return string The author's display name.
+ */
+function get_author_name( $auth_id = false ) {
+ _deprecated_function( __FUNCTION__, '2.8', 'get_the_author_meta(\'display_name\')' );
+ return get_the_author_meta('display_name', $auth_id);
+}
+
+/**
+ * Retrieve the URL to the home page of the author of the current post.
+ *
+ * @since 1.5
+ * @deprecated 2.8
+ * @deprecated Use get_the_author_meta('url')
+ * @see get_the_author_meta()
+ *
+ * @return string The URL to the author's page.
+ */
+function get_the_author_url() {
+ _deprecated_function( __FUNCTION__, '2.8', 'get_the_author_meta(\'url\')' );
+ return get_the_author_meta('url');
+}
+
+/**
+ * Display the URL to the home page of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8
+ * @deprecated Use the_author_meta('url')
+ * @see the_author_meta()
+ */
+function the_author_url() {
+ _deprecated_function( __FUNCTION__, '2.8', 'the_author_meta(\'url\')' );
+ the_author_meta('url');
+}
+
+/**
+ * Retrieve the ID of the author of the current post.
+ *
+ * @since 1.5
+ * @deprecated 2.8
+ * @deprecated Use get_the_author_meta('ID')
+ * @see get_the_author_meta()
+ *
+ * @return int The author's ID.
+ */
+function get_the_author_ID() {
+ _deprecated_function( __FUNCTION__, '2.8', 'get_the_author_meta(\'ID\')' );
+ return get_the_author_meta('ID');
+}
+
+/**
+ * Display the ID of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8
+ * @deprecated Use the_author_meta('ID')
+ * @see the_author_meta()
+*/
+function the_author_ID() {
+ _deprecated_function( __FUNCTION__, '2.8', 'the_author_meta(\'ID\')' );
+ the_author_meta('ID');
+}
+
+/**
+ * Display the post content for the feed.
+ *
+ * For encoding the html or the $encode_html parameter, there are three possible
+ * values. '0' will make urls footnotes and use make_url_footnote(). '1' will
+ * encode special characters and automatically display all of the content. The
+ * value of '2' will strip all HTML tags from the content.
+ *
+ * Also note that you cannot set the amount of words and not set the html
+ * encoding. If that is the case, then the html encoding will default to 2,
+ * which will strip all HTML tags.
+ *
+ * To restrict the amount of words of the content, you can use the cut
+ * parameter. If the content is less than the amount, then there won't be any
+ * dots added to the end. If there is content left over, then dots will be added
+ * and the rest of the content will be removed.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 0.71
+ * @uses apply_filters() Calls 'the_content_rss' on the content before processing.
+ * @see get_the_content() For the $more_link_text, $stripteaser, and $more_file
+ * parameters.
+ *
+ * @deprecated 2.9.0
+ * @deprecated Use the_content_feed()
+ * @see the_content_feed()
+ *
+ * @param string $more_link_text Optional. Text to display when more content is available but not displayed.
+ * @param int|bool $stripteaser Optional. Default is 0.
+ * @param string $more_file Optional.
+ * @param int $cut Optional. Amount of words to keep for the content.
+ * @param int $encode_html Optional. How to encode the content.
+ */
+function the_content_rss($more_link_text='(more...)', $stripteaser=0, $more_file='', $cut = 0, $encode_html = 0) {
+ _deprecated_function( __FUNCTION__, '2.9', 'the_content_feed' );
+ $content = get_the_content($more_link_text, $stripteaser, $more_file);
+ $content = apply_filters('the_content_rss', $content);
+ if ( $cut && !$encode_html )
+ $encode_html = 2;
+ if ( 1== $encode_html ) {
+ $content = esc_html($content);
+ $cut = 0;
+ } elseif ( 0 == $encode_html ) {
+ $content = make_url_footnote($content);
+ } elseif ( 2 == $encode_html ) {
+ $content = strip_tags($content);
+ }
+ if ( $cut ) {
+ $blah = explode(' ', $content);
+ if ( count($blah) > $cut ) {
+ $k = $cut;
+ $use_dotdotdot = 1;
+ } else {
+ $k = count($blah);
+ $use_dotdotdot = 0;
+ }
+
+ /** @todo Check performance, might be faster to use array slice instead. */
+ for ( $i=0; $i<$k; $i++ )
+ $excerpt .= $blah[$i].' ';
+ $excerpt .= ($use_dotdotdot) ? '...' : '';
+ $content = $excerpt;
+ }
+ $content = str_replace(']]>', ']]>', $content);
+ echo $content;
+}
+
+/**
+ * Strip HTML and put links at the bottom of stripped content.
+ *
+ * Searches for all of the links, strips them out of the content, and places
+ * them at the bottom of the content with numbers.
+ *
+ * @since 0.71
+ * @deprecated 2.9.0
+ *
+ * @param string $content Content to get links
+ * @return string HTML stripped out of content with links at the bottom.
+ */
+function make_url_footnote( $content ) {
+ _deprecated_function( __FUNCTION__, '2.9', '' );
+ preg_match_all( '/<a(.+?)href=\"(.+?)\"(.*?)>(.+?)<\/a>/', $content, $matches );
+ $links_summary = "\n";
+ for ( $i=0; $i<count($matches[0]); $i++ ) {
+ $link_match = $matches[0][$i];
+ $link_number = '['.($i+1).']';
+ $link_url = $matches[2][$i];
+ $link_text = $matches[4][$i];
+ $content = str_replace( $link_match, $link_text . ' ' . $link_number, $content );
+ $link_url = ( ( strtolower( substr( $link_url, 0, 7 ) ) != 'http://' ) && ( strtolower( substr( $link_url, 0, 8 ) ) != 'https://' ) ) ? get_option( 'home' ) . $link_url : $link_url;
+ $links_summary .= "\n" . $link_number . ' ' . $link_url;
+ }
+ $content = strip_tags( $content );
+ $content .= $links_summary;
+ return $content;
+}
+
+/**
+ * Retrieve translated string with vertical bar context
+ *
+ * Quite a few times, there will be collisions with similar translatable text
+ * found in more than two places but with different translated context.
+ *
+ * In order to use the separate contexts, the _c() function is used and the
+ * translatable string uses a pipe ('|') which has the context the string is in.
+ *
+ * When the translated string is returned, it is everything before the pipe, not
+ * including the pipe character. If there is no pipe in the translated text then
+ * everything is returned.
+ *
+ * @since 2.2.0
+ * @deprecated 2.9.0
+ * @deprecated Use _x()
+ * @see _x()
+ *
+ * @param string $text Text to translate
+ * @param string $domain Optional. Domain to retrieve the translated text
+ * @return string Translated context string without pipe
+ */
+function _c( $text, $domain = 'default' ) {
+ _deprecated_function( __FUNCTION__, '2.9', '_x()' );
+ return before_last_bar( translate( $text, $domain ) );
+}
+
+/**
+ * Translates $text like translate(), but assumes that the text
+ * contains a context after its last vertical bar.
+ *
+ * @since 2.5
+ * @uses translate()
+ * @deprecated 3.0.0
+ * @deprecated Use _x()
+ * @see _x()
+ *
+ * @param string $text Text to translate
+ * @param string $domain Domain to retrieve the translated text
+ * @return string Translated text
+ */
+function translate_with_context( $text, $domain = 'default' ) {
+ _deprecated_function( __FUNCTION__, '2.9', '_x()' );
+ return before_last_bar( translate( $text, $domain ) );
+}
+
+/**
+ * A version of _n(), which supports contexts.
+ * Strips everything from the translation after the last bar.
+ *
+ * @since 2.7.0
+ * @deprecated 3.0.0
+ * @deprecated Use _nx()
+ * @see _nx()
+ * @see _n() For parameters.
+ * @see _c() For parameters. _c() is deprecated.
+ *
+ */
+function _nc( $single, $plural, $number, $domain = 'default' ) {
+ _deprecated_function( __FUNCTION__, '2.9', '_nx()' );
+ return before_last_bar( _n( $single, $plural, $number, $domain ) );
+}
+
+/**
+ * Retrieve the plural or single form based on the amount.
+ *
+ * @since 1.2.0
+ * @deprecated 2.8.0
+ * @deprecated Use _n()
+ * @see _n()
+ */
+function __ngettext() {
+ _deprecated_function( __FUNCTION__, '2.8', '_n()' );
+ $args = func_get_args();
+ return call_user_func_array('_n', $args);
+}
+
+/**
+ * Register plural strings in POT file, but don't translate them.
+ *
+ * @since 2.5
+ * @deprecated 2.8.0
+ * @deprecated Use _n_noop()
+ * @see _n_noop()
+ */
+function __ngettext_noop() {
+ _deprecated_function( __FUNCTION__, '2.8', '_n_noop()' );
+ $args = func_get_args();
+ return call_user_func_array('_n_noop', $args);
+
+}
+
+/**
+ * Retrieve all autoload options, or all options if no autoloaded ones exist.
+ *
+ * @since 1.0.0
+ * @deprecated 3.0.0
+ * @deprecated Use wp_load_alloptions())
+ * @see wp_load_alloptions()
+ *
+ * @return array List of all options.
+ */
+function get_alloptions() {
+ _deprecated_function( __FUNCTION__, '3.0', 'wp_load_alloptions()' );
+ return wp_load_alloptions();
+}
+
+/**
+ * Retrieve HTML content of attachment image with link.
+ *
+ * @since 2.0.0
+ * @deprecated 2.5.0
+ * @deprecated Use wp_get_attachment_link()
+ * @see wp_get_attachment_link()
+ *
+ * @param int $id Optional. Post ID.
+ * @param bool $fullsize Optional, default is false. Whether to use full size image.
+ * @param array $max_dims Optional. Max image dimensions.
+ * @param bool $permalink Optional, default is false. Whether to include permalink to image.
+ * @return string
+ */
+function get_the_attachment_link($id = 0, $fullsize = false, $max_dims = false, $permalink = false) {
+ _deprecated_function( __FUNCTION__, '2.5', 'wp_get_attachment_link()' );
+ $id = (int) $id;
+ $_post = & get_post($id);
+
+ if ( ('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);
+
+ $innerHTML = get_attachment_innerHTML($_post->ID, $fullsize, $max_dims);
+ return "<a href='$url' title='$post_title'>$innerHTML</a>";
+}
+
+/**
+ * Retrieve icon URL and Path.
+ *
+ * @since 2.1.0
+ * @deprecated 2.5.0
+ * @deprecated Use wp_get_attachment_image_src()
+ * @see wp_get_attachment_image_src()
+ *
+ * @param int $id Optional. Post ID.
+ * @param bool $fullsize Optional, default to false. Whether to have full image.
+ * @return array Icon URL and full path to file, respectively.
+ */
+function get_attachment_icon_src( $id = 0, $fullsize = false ) {
+ _deprecated_function( __FUNCTION__, '2.5', 'wp_get_attachment_image_src()' );
+ $id = (int) $id;
+ if ( !$post = & get_post($id) )
+ return false;
+
+ $file = get_attached_file( $post->ID );
+
+ if ( !$fullsize && $src = wp_get_attachment_thumb_url( $post->ID ) ) {
+ // We have a thumbnail desired, specified and existing
+
+ $src_file = basename($src);
+ $class = 'attachmentthumb';
+ } elseif ( wp_attachment_is_image( $post->ID ) ) {
+ // We have an image without a thumbnail
+
+ $src = wp_get_attachment_url( $post->ID );
+ $src_file = & $file;
+ $class = 'attachmentimage';
+ } elseif ( $src = wp_mime_type_icon( $post->ID ) ) {
+ // No thumb, no image. We'll look for a mime-related icon instead.
+
+ $icon_dir = apply_filters( 'icon_dir', get_template_directory() . '/images' );
+ $src_file = $icon_dir . '/' . basename($src);
+ }
+
+ if ( !isset($src) || !$src )
+ return false;
+
+ return array($src, $src_file);
+}
+
+/**
+ * Retrieve HTML content of icon attachment image element.
+ *
+ * @since 2.0.0
+ * @deprecated 2.5.0
+ * @deprecated Use wp_get_attachment_image()
+ * @see wp_get_attachment_image()
+ *
+ * @param int $id Optional. Post ID.
+ * @param bool $fullsize Optional, default to false. Whether to have full size image.
+ * @param array $max_dims Optional. Dimensions of image.
+ * @return string HTML content.
+ */
+function get_attachment_icon( $id = 0, $fullsize = false, $max_dims = false ) {
+ _deprecated_function( __FUNCTION__, '2.5', 'wp_get_attachment_image()' );
+ $id = (int) $id;
+ if ( !$post = & get_post($id) )
+ return false;
+
+ if ( !$src = get_attachment_icon_src( $post->ID, $fullsize ) )
+ return false;
+
+ list($src, $src_file) = $src;
+
+ // Do we need to constrain the image?
+ if ( ($max_dims = apply_filters('attachment_max_dims', $max_dims)) && file_exists($src_file) ) {
+
+ $imagesize = getimagesize($src_file);
+
+ if (($imagesize[0] > $max_dims[0]) || $imagesize[1] > $max_dims[1] ) {
+ $actual_aspect = $imagesize[0] / $imagesize[1];
+ $desired_aspect = $max_dims[0] / $max_dims[1];
+
+ if ( $actual_aspect >= $desired_aspect ) {
+ $height = $actual_aspect * $max_dims[0];
+ $constraint = "width='{$max_dims[0]}' ";
+ $post->iconsize = array($max_dims[0], $height);
+ } else {
+ $width = $max_dims[1] / $actual_aspect;
+ $constraint = "height='{$max_dims[1]}' ";
+ $post->iconsize = array($width, $max_dims[1]);
+ }
+ } else {
+ $post->iconsize = array($imagesize[0], $imagesize[1]);
+ $constraint = '';
+ }
+ } else {
+ $constraint = '';
+ }
+
+ $post_title = esc_attr($post->post_title);
+
+ $icon = "<img src='$src' title='$post_title' alt='$post_title' $constraint/>";
+
+ return apply_filters( 'attachment_icon', $icon, $post->ID );
+}
+
+/**
+ * Retrieve HTML content of image element.
+ *
+ * @since 2.0.0
+ * @deprecated 2.5.0
+ * @deprecated Use wp_get_attachment_image()
+ * @see wp_get_attachment_image()
+ *
+ * @param int $id Optional. Post ID.
+ * @param bool $fullsize Optional, default to false. Whether to have full size image.
+ * @param array $max_dims Optional. Dimensions of image.
+ * @return string
+ */
+function get_attachment_innerHTML($id = 0, $fullsize = false, $max_dims = false) {
+ _deprecated_function( __FUNCTION__, '2.5', 'wp_get_attachment_image()' );
+ $id = (int) $id;
+ if ( !$post = & get_post($id) )
+ return false;
+
+ if ( $innerHTML = get_attachment_icon($post->ID, $fullsize, $max_dims))
+ return $innerHTML;
+
+
+ $innerHTML = esc_attr($post->post_title);
+
+ return apply_filters('attachment_innerHTML', $innerHTML, $post->ID);
+}
+
+/**
+ * Retrieve bookmark data based on ID.
+ *
+ * @since 2.0.0
+ * @deprecated 2.1.0
+ * @deprecated Use get_bookmark()
+ * @see get_bookmark()
+ *
+ * @param int $bookmark_id ID of link
+ * @param string $output OBJECT, ARRAY_N, or ARRAY_A
+ * @return object|array
+ */
+function get_link($bookmark_id, $output = OBJECT, $filter = 'raw') {
+ _deprecated_function( __FUNCTION__, '2.1', 'get_bookmark()' );
+ return get_bookmark($bookmark_id, $output, $filter);
+}
+
+/**
+ * Performs esc_url() for database or redirect usage.
+ *
+ * @since 2.3.1
+ * @deprecated 2.8.0
+ * @deprecated Use esc_url_raw()
+ * @see esc_url_raw()
+ *
+ * @param string $url The URL to be cleaned.
+ * @param array $protocols An array of acceptable protocols.
+ * @return string The cleaned URL.
+ */
+function sanitize_url( $url, $protocols = null ) {
+ _deprecated_function( __FUNCTION__, '2.8', 'esc_url_raw()' );
+ return esc_url_raw( $url, $protocols );
+}
+
+/**
+ * Checks and cleans a URL.
+ *
+ * A number of characters are removed from the URL. If the URL is for displaying
+ * (the default behaviour) amperstands are also replaced. The 'clean_url' filter
+ * is applied to the returned cleaned URL.
+ *
+ * @since 1.2.0
+ * @deprecated 3.0.0
+ * @deprecated Use esc_url()
+ * @see Alias for esc_url()
+ *
+ * @param string $url The URL to be cleaned.
+ * @param array $protocols Optional. An array of acceptable protocols.
+ * @param string $context Optional. How the URL will be used. Default is 'display'.
+ * @return string The cleaned $url after the 'clean_url' filter is applied.
+ */
+function clean_url( $url, $protocols = null, $context = 'display' ) {
+ if ( $context == 'db' )
+ _deprecated_function( 'clean_url( $context = \'db\' )', '3.0', 'esc_url_raw()' );
+ else
+ _deprecated_function( __FUNCTION__, '3.0', 'esc_url()' );
+ return esc_url( $url, $protocols, $context );
+}
+
+/**
+ * Escape single quotes, specialchar double quotes, and fix line endings.
+ *
+ * The filter 'js_escape' is also applied by esc_js()
+ *
+ * @since 2.0.4
+ * @deprecated 2.8.0
+ * @deprecated Use esc_js()
+ * @see esc_js()
+ *
+ * @param string $text The text to be escaped.
+ * @return string Escaped text.
+ */
+function js_escape( $text ) {
+ _deprecated_function( __FUNCTION__, '2.8', 'esc_js()' );
+ return esc_js( $text );
+}
+
+/**
+ * Escaping for HTML blocks.
+ *
+ * @deprecated 2.8.0
+ * @deprecated Use esc_html()
+ * @see esc_html()
+ */
+function wp_specialchars( $string, $quote_style = ENT_NOQUOTES, $charset = false, $double_encode = false ) {
+ _deprecated_function( __FUNCTION__, '2.8', 'esc_html()' );
+ if ( func_num_args() > 1 ) { // Maintain backwards compat for people passing additional args
+ $args = func_get_args();
+ return call_user_func_array( '_wp_specialchars', $args );
+ } else {
+ return esc_html( $string );
+ }
+}
+
+
+/**
+ * Escaping for HTML attributes.
+ *
+ * @since 2.0.6
+ * @deprecated 2.8.0
+ * @deprecated Use esc_attr()
+ * @see esc_attr()
+ *
+ * @param string $text
+ * @return string
+ */
+function attribute_escape( $text ) {
+ _deprecated_function( __FUNCTION__, '2.8', 'esc_attr()' );
+ return esc_attr( $text );
+}
+
+/**
+ * Register widget for sidebar with backwards compatibility.
+ *
+ * Allows $name to be an array that accepts either three elements to grab the
+ * first element and the third for the name or just uses the first element of
+ * the array for the name.
+ *
+ * Passes to {@link wp_register_sidebar_widget()} after argument list and
+ * backwards compatibility is complete.
+ *
+ * @since 2.2.0
+ * @deprecated 2.8.0
+ * @deprecated Use wp_register_sidebar_widget()
+ * @see wp_register_sidebar_widget()
+ *
+ * @param string|int $name Widget ID.
+ * @param callback $output_callback Run when widget is called.
+ * @param string $classname Classname widget option.
+ * @param mixed $params,... Widget parameters.
+ */
+function register_sidebar_widget($name, $output_callback, $classname = '') {
+ _deprecated_function( __FUNCTION__, '2.8', 'wp_register_sidebar_widget()' );
+ // Compat
+ if ( is_array($name) ) {
+ if ( count($name) == 3 )
+ $name = sprintf($name[0], $name[2]);
+ else
+ $name = $name[0];
+ }
+
+ $id = sanitize_title($name);
+ $options = array();
+ if ( !empty($classname) && is_string($classname) )
+ $options['classname'] = $classname;
+ $params = array_slice(func_get_args(), 2);
+ $args = array($id, $name, $output_callback, $options);
+ if ( !empty($params) )
+ $args = array_merge($args, $params);
+
+ call_user_func_array('wp_register_sidebar_widget', $args);
+}
+
+/**
+ * Alias of {@link wp_unregister_sidebar_widget()}.
+ *
+ * @since 2.2.0
+ * @deprecated 2.8.0
+ * @deprecated Use wp_unregister_sidebar_widget()
+ * @see wp_unregister_sidebar_widget()
+ *
+ * @param int|string $id Widget ID.
+ */
+function unregister_sidebar_widget($id) {
+ _deprecated_function( __FUNCTION__, '2.8', 'wp_unregister_sidebar_widget()' );
+ return wp_unregister_sidebar_widget($id);
+}
+
+/**
+ * Registers widget control callback for customizing options.
+ *
+ * Allows $name to be an array that accepts either three elements to grab the
+ * first element and the third for the name or just uses the first element of
+ * the array for the name.
+ *
+ * Passes to {@link wp_register_widget_control()} after the argument list has
+ * been compiled.
+ *
+ * @since 2.2.0
+ * @deprecated 2.8.0
+ * @deprecated Use wp_register_widget_control()
+ * @see wp_register_widget_control()
+ *
+ * @param int|string $name Sidebar ID.
+ * @param callback $control_callback Widget control callback to display and process form.
+ * @param int $width Widget width.
+ * @param int $height Widget height.
+ */
+function register_widget_control($name, $control_callback, $width = '', $height = '') {
+ _deprecated_function( __FUNCTION__, '2.8', 'wp_register_widget_control()' );
+ // Compat
+ if ( is_array($name) ) {
+ if ( count($name) == 3 )
+ $name = sprintf($name[0], $name[2]);
+ else
+ $name = $name[0];
+ }
+
+ $id = sanitize_title($name);
+ $options = array();
+ if ( !empty($width) )
+ $options['width'] = $width;
+ if ( !empty($height) )
+ $options['height'] = $height;
+ $params = array_slice(func_get_args(), 4);
+ $args = array($id, $name, $control_callback, $options);
+ if ( !empty($params) )
+ $args = array_merge($args, $params);
+
+ call_user_func_array('wp_register_widget_control', $args);
+}
+
+/**
+ * Alias of {@link wp_unregister_widget_control()}.
+ *
+ * @since 2.2.0
+ * @deprecated 2.8.0
+ * @deprecated Use wp_unregister_widget_control()
+ * @see wp_unregister_widget_control()
+ *
+ * @param int|string $id Widget ID.
+ */
+function unregister_widget_control($id) {
+ _deprecated_function( __FUNCTION__, '2.8', 'wp_unregister_widget_control()' );
+ return wp_unregister_widget_control($id);
+}
+
+/**
+ * Remove user meta data.
+ *
+ * @since 2.0.0
+ * @deprecated 3.0.0
+ * @deprecated Use delete_user_meta()
+ * @see delete_user_meta()
+ *
+ * @param int $user_id User ID.
+ * @param string $meta_key Metadata key.
+ * @param mixed $meta_value Metadata value.
+ * @return bool True deletion completed and false if user_id is not a number.
+ */
+function delete_usermeta( $user_id, $meta_key, $meta_value = '' ) {
+ _deprecated_function( __FUNCTION__, '3.0', 'delete_user_meta()' );
+ global $wpdb;
+ if ( !is_numeric( $user_id ) )
+ return false;
+ $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
+
+ if ( is_array($meta_value) || is_object($meta_value) )
+ $meta_value = serialize($meta_value);
+ $meta_value = trim( $meta_value );
+
+ $cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
+
+ if ( $cur && $cur->umeta_id )
+ do_action( 'delete_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
+
+ if ( ! empty($meta_value) )
+ $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s AND meta_value = %s", $user_id, $meta_key, $meta_value) );
+ else
+ $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
+
+ clean_user_cache( $user_id );
+ wp_cache_delete( $user_id, 'user_meta' );
+
+ if ( $cur && $cur->umeta_id )
+ do_action( 'deleted_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
+
+ return true;
+}
+
+/**
+ * Retrieve user metadata.
+ *
+ * If $user_id is not a number, then the function will fail over with a 'false'
+ * boolean return value. Other returned values depend on whether there is only
+ * one item to be returned, which be that single item type. If there is more
+ * than one metadata value, then it will be list of metadata values.
+ *
+ * @since 2.0.0
+ * @deprecated 3.0.0
+ * @deprecated Use get_user_meta()
+ * @see get_user_meta()
+ *
+ * @param int $user_id User ID
+ * @param string $meta_key Optional. Metadata key.
+ * @return mixed
+ */
+function get_usermeta( $user_id, $meta_key = '' ) {
+ _deprecated_function( __FUNCTION__, '3.0', 'get_user_meta()' );
+ global $wpdb;
+ $user_id = (int) $user_id;
+
+ if ( !$user_id )
+ return false;
+
+ if ( !empty($meta_key) ) {
+ $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
+ $user = wp_cache_get($user_id, 'users');
+ // Check the cached user object
+ if ( false !== $user && isset($user->$meta_key) )
+ $metas = array($user->$meta_key);
+ else
+ $metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
+ } else {
+ $metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d", $user_id) );
+ }
+
+ if ( empty($metas) ) {
+ if ( empty($meta_key) )
+ return array();
+ else
+ return '';
+ }
+
+ $metas = array_map('maybe_unserialize', $metas);
+
+ if ( count($metas) == 1 )
+ return $metas[0];
+ else
+ return $metas;
+}
+
+/**
+ * Update metadata of user.
+ *
+ * There is no need to serialize values, they will be serialized if it is
+ * needed. The metadata key can only be a string with underscores. All else will
+ * be removed.
+ *
+ * Will remove the metadata, if the meta value is empty.
+ *
+ * @since 2.0.0
+ * @deprecated 3.0.0
+ * @deprecated Use update_user_meta()
+ * @see update_user_meta()
+ *
+ * @param int $user_id User ID
+ * @param string $meta_key Metadata key.
+ * @param mixed $meta_value Metadata value.
+ * @return bool True on successful update, false on failure.
+ */
+function update_usermeta( $user_id, $meta_key, $meta_value ) {
+ _deprecated_function( __FUNCTION__, '3.0', 'update_user_meta()' );
+ global $wpdb;
+ if ( !is_numeric( $user_id ) )
+ return false;
+ $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
+
+ /** @todo Might need fix because usermeta data is assumed to be already escaped */
+ if ( is_string($meta_value) )
+ $meta_value = stripslashes($meta_value);
+ $meta_value = maybe_serialize($meta_value);
+
+ if (empty($meta_value)) {
+ return delete_usermeta($user_id, $meta_key);
+ }
+
+ $cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
+
+ if ( $cur )
+ do_action( 'update_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
+
+ if ( !$cur )
+ $wpdb->insert($wpdb->usermeta, compact('user_id', 'meta_key', 'meta_value') );
+ else if ( $cur->meta_value != $meta_value )
+ $wpdb->update($wpdb->usermeta, compact('meta_value'), compact('user_id', 'meta_key') );
+ else
+ return false;
+
+ clean_user_cache( $user_id );
+ wp_cache_delete( $user_id, 'user_meta' );
+
+ if ( !$cur )
+ do_action( 'added_usermeta', $wpdb->insert_id, $user_id, $meta_key, $meta_value );
+ else
+ do_action( 'updated_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
+
+ return true;
+}
+
+/**
+ * Get users for the blog.
+ *
+ * For setups that use the multi-blog feature. Can be used outside of the
+ * multi-blog feature.
+ *
+ * @since 2.2.0
+ * @deprecated 3.1.0
+ * @uses $wpdb WordPress database object for queries
+ * @uses $blog_id The Blog id of the blog for those that use more than one blog
+ *
+ * @param int $id Blog ID.
+ * @return array List of users that are part of that Blog ID
+ */
+function get_users_of_blog( $id = '' ) {
+ _deprecated_function( __FUNCTION__, '3.1', 'get_users()' );
+
+ global $wpdb, $blog_id;
+ if ( empty($id) )
+ $id = (int) $blog_id;
+ $blog_prefix = $wpdb->get_blog_prefix($id);
+ $users = $wpdb->get_results( "SELECT user_id, user_id AS ID, user_login, display_name, user_email, meta_value FROM $wpdb->users, $wpdb->usermeta WHERE {$wpdb->users}.ID = {$wpdb->usermeta}.user_id AND meta_key = '{$blog_prefix}capabilities' ORDER BY {$wpdb->usermeta}.user_id" );
+ return $users;
+}
+
+/**
+ * Enable/disable automatic general feed link outputting.
+ *
+ * @since 2.8.0
+ * @deprecated 3.0.0
+ * @deprecated Use add_theme_support( 'automatic-feed-links' )
+ *
+ * @param boolean $add Optional, default is true. Add or remove links. Defaults to true.
+ */
+function automatic_feed_links( $add = true ) {
+ _deprecated_function( __FUNCTION__, '3.0', "add_theme_support( 'automatic-feed-links' )" );
+
+ if ( $add )
+ add_theme_support( 'automatic-feed-links' );
+ else
+ remove_action( 'wp_head', 'feed_links_extra', 3 ); // Just do this yourself in 3.0+
+}
+
+/**
+ * Retrieve user data based on field.
+ *
+ * @since 1.5.0
+ * @deprecated 3.0.0
+ * @deprecated Use get_the_author_meta()
+ * @see get_the_author_meta()
+ */
+function get_profile( $field, $user = false ) {
+ _deprecated_function( __FUNCTION__, '3.0', 'get_the_author_meta()' );
+ if ( $user ) {
+ $user = get_user_by( 'login', $user );
+ $user = $user->ID;
+ }
+ return get_the_author_meta( $field, $user );
+}
+
+/**
+ * Number of posts user has written.
+ *
+ * @since 0.71
+ * @deprecated 3.0.0
+ * @deprecated Use count_user_posts()
+ * @see count_user_posts()
+ */
+function get_usernumposts( $userid ) {
+ _deprecated_function( __FUNCTION__, '3.0', 'count_user_posts()' );
+ return count_user_posts( $userid );
+}
+
+/**
+ * Callback used to change %uXXXX to &#YYY; syntax
+ *
+ * @since 2.8.0
+ * @access private
+ * @deprecated 3.0.0
+ *
+ * @param array $matches Single Match
+ * @return string An HTML entity
+ */
+function funky_javascript_callback($matches) {
+ return "&#".base_convert($matches[1],16,10).";";
+}
+
+/**
+ * Fixes javascript bugs in browsers.
+ *
+ * Converts unicode characters to HTML numbered entities.
+ *
+ * @since 1.5.0
+ * @uses $is_macIE
+ * @uses $is_winIE
+ * @deprecated 3.0.0
+ *
+ * @param string $text Text to be made safe.
+ * @return string Fixed text.
+ */
+function funky_javascript_fix($text) {
+ _deprecated_function( __FUNCTION__, '3.0' );
+ // Fixes for browsers' javascript bugs
+ global $is_macIE, $is_winIE;
+
+ if ( $is_winIE || $is_macIE )
+ $text = preg_replace_callback("/\%u([0-9A-F]{4,4})/",
+ "funky_javascript_callback",
+ $text);
+
+ return $text;
+}
+
+/**
+ * Checks that the taxonomy name exists.
+ *
+ * @since 2.3.0
+ * @deprecated 3.0.0
+ * @deprecated Use taxonomy_exists()
+ * @see taxonomy_exists()
+ *
+ * @param string $taxonomy Name of taxonomy object
+ * @return bool Whether the taxonomy exists.
+ */
+function is_taxonomy( $taxonomy ) {
+ _deprecated_function( __FUNCTION__, '3.0', 'taxonomy_exists()' );
+ return taxonomy_exists( $taxonomy );
+}
+
+/**
+ * Check if Term exists.
+ *
+ * @since 2.3.0
+ * @deprecated 3.0.0
+ * @deprecated Use term_exists()
+ * @see term_exists()
+ *
+ * @param int|string $term The term to check
+ * @param string $taxonomy The taxonomy name to use
+ * @param int $parent ID of parent term under which to confine the exists search.
+ * @return mixed Get the term id or Term Object, if exists.
+ */
+function is_term( $term, $taxonomy = '', $parent = 0 ) {
+ _deprecated_function( __FUNCTION__, '3.0', 'term_exists()' );
+ return term_exists( $term, $taxonomy, $parent );
+}
+
+/**
+ * Is the current admin page generated by a plugin?
+ *
+ * @since 1.5.0
+ * @deprecated 3.1
+ * @deprecated Use global $plugin_page and/or get_plugin_page_hookname() hooks.
+ *
+ * @global $plugin_page
+ *
+ * @return bool
+ */
+function is_plugin_page() {
+ _deprecated_function( __FUNCTION__, '3.1' );
+
+ global $plugin_page;
+
+ if ( isset($plugin_page) )
+ return true;
+
+ return false;
+}
+
+/**
+ * Update the categories cache.
+ *
+ * This function does not appear to be used anymore or does not appear to be
+ * needed. It might be a legacy function left over from when there was a need
+ * for updating the category cache.
+ *
+ * @since 1.5.0
+ * @deprecated 3.1
+ *
+ * @return bool Always return True
+ */
+function update_category_cache() {
+ _deprecated_function( __FUNCTION__, '3.1' );
+
+ return true;
+}
+