533 lines
14 KiB
PHP
533 lines
14 KiB
PHP
<?php
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//
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// "The Loop" post functions
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//
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function the_ID() {
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global $id;
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echo $id;
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}
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function get_the_ID() {
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global $id;
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return $id;
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}
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function the_title($before = '', $after = '', $echo = true) {
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$title = get_the_title();
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if ( strlen($title) == 0 )
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return;
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$title = $before . $title . $after;
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if ( $echo )
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echo $title;
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else
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return $title;
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}
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function the_title_attribute( $args = '' ) {
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$title = get_the_title();
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if ( strlen($title) == 0 )
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return;
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$defaults = array('before' => '', 'after' => '', 'echo' => true);
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$r = wp_parse_args($args, $defaults);
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extract( $r, EXTR_SKIP );
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$title = $before . $title . $after;
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$title = attribute_escape(strip_tags($title));
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if ( $echo )
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echo $title;
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else
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return $title;
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}
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function get_the_title( $id = 0 ) {
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$post = &get_post($id);
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$title = $post->post_title;
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if ( !empty($post->post_password) )
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$title = sprintf(__('Protected: %s'), $title);
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else if ( isset($post->post_status) && 'private' == $post->post_status )
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$title = sprintf(__('Private: %s'), $title);
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return apply_filters( 'the_title', $title );
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}
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function the_guid( $id = 0 ) {
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echo get_the_guid($id);
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}
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function get_the_guid( $id = 0 ) {
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$post = &get_post($id);
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return apply_filters('get_the_guid', $post->guid);
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}
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function the_content($more_link_text = '(more...)', $stripteaser = 0, $more_file = '') {
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$content = get_the_content($more_link_text, $stripteaser, $more_file);
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$content = apply_filters('the_content', $content);
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$content = str_replace(']]>', ']]>', $content);
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echo $content;
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}
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function get_the_content($more_link_text = '(more...)', $stripteaser = 0, $more_file = '') {
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global $id, $post, $more, $page, $pages, $multipage, $preview, $pagenow;
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$output = '';
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if ( !empty($post->post_password) ) { // if there's a password
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if ( !isset($_COOKIE['wp-postpass_'.COOKIEHASH]) || stripslashes($_COOKIE['wp-postpass_'.COOKIEHASH]) != $post->post_password ) { // and it doesn't match the cookie
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$output = get_the_password_form();
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return $output;
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}
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}
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if ( $more_file != '' )
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$file = $more_file;
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else
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$file = $pagenow; //$_SERVER['PHP_SELF'];
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if ( $page > count($pages) ) // if the requested page doesn't exist
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$page = count($pages); // give them the highest numbered page that DOES exist
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$content = $pages[$page-1];
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if ( preg_match('/<!--more(.*?)?-->/', $content, $matches) ) {
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$content = explode($matches[0], $content, 2);
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if ( !empty($matches[1]) && !empty($more_link_text) )
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$more_link_text = strip_tags(wp_kses_no_null(trim($matches[1])));
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} else {
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$content = array($content);
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}
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if ( (false !== strpos($post->post_content, '<!--noteaser-->') && ((!$multipage) || ($page==1))) )
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$stripteaser = 1;
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$teaser = $content[0];
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if ( ($more) && ($stripteaser) )
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$teaser = '';
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$output .= $teaser;
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if ( count($content) > 1 ) {
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if ( $more ) {
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$output .= '<span id="more-'.$id.'"></span>'.$content[1];
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} else {
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$output = balanceTags($output);
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if ( ! empty($more_link_text) )
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$output .= ' <a href="'. get_permalink() . "#more-$id\" class=\"more-link\">$more_link_text</a>";
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}
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}
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if ( $preview ) // preview fix for javascript bug with foreign languages
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$output = preg_replace('/\%u([0-9A-F]{4,4})/e', "'&#'.base_convert('\\1',16,10).';'", $output);
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return $output;
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}
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function the_excerpt() {
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echo apply_filters('the_excerpt', get_the_excerpt());
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}
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function get_the_excerpt($deprecated = '') {
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global $post;
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$output = '';
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$output = $post->post_excerpt;
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if ( !empty($post->post_password) ) { // if there's a password
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if ( !isset($_COOKIE['wp-postpass_'.COOKIEHASH]) || $_COOKIE['wp-postpass_'.COOKIEHASH] != $post->post_password ) { // and it doesn't match the cookie
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$output = __('There is no excerpt because this is a protected post.');
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return $output;
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}
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}
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return apply_filters('get_the_excerpt', $output);
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}
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function has_excerpt( $id = 0 ) {
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$post = &get_post( $id );
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return ( !empty( $post->post_excerpt ) );
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}
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function wp_link_pages($args = '') {
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$defaults = array(
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'before' => '<p>' . __('Pages:'), 'after' => '</p>',
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'next_or_number' => 'number', 'nextpagelink' => __('Next page'),
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'previouspagelink' => __('Previous page'), 'pagelink' => '%',
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'more_file' => '', 'echo' => 1
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);
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$r = wp_parse_args( $args, $defaults );
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extract( $r, EXTR_SKIP );
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global $post, $page, $numpages, $multipage, $more, $pagenow;
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if ( $more_file != '' )
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$file = $more_file;
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else
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$file = $pagenow;
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$output = '';
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if ( $multipage ) {
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if ( 'number' == $next_or_number ) {
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$output .= $before;
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for ( $i = 1; $i < ($numpages+1); $i = $i + 1 ) {
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$j = str_replace('%',"$i",$pagelink);
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$output .= ' ';
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if ( ($i != $page) || ((!$more) && ($page==1)) ) {
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if ( 1 == $i ) {
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$output .= '<a href="' . get_permalink() . '">';
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} else {
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if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) )
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$output .= '<a href="' . get_permalink() . '&page=' . $i . '">';
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else
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$output .= '<a href="' . trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged') . '">';
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}
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}
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$output .= $j;
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if ( ($i != $page) || ((!$more) && ($page==1)) )
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$output .= '</a>';
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}
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$output .= $after;
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} else {
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if ( $more ) {
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$output .= $before;
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$i = $page - 1;
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if ( $i && $more ) {
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if ( 1 == $i ) {
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$output .= '<a href="' . get_permalink() . '">' . $previouspagelink . '</a>';
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} else {
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if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) )
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$output .= '<a href="' . get_permalink() . '&page=' . $i . '">' . $previouspagelink . '</a>';
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else
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$output .= '<a href="' . trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged') . '">' . $previouspagelink . '</a>';
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}
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}
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$i = $page + 1;
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if ( $i <= $numpages && $more ) {
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if ( 1 == $i ) {
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$output .= '<a href="' . get_permalink() . '">' . $nextpagelink . '</a>';
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} else {
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if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) )
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$output .= '<a href="' . get_permalink() . '&page=' . $i . '">' . $nextpagelink . '</a>';
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else
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$output .= '<a href="' . trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged') . '">' . $nextpagelink . '</a>';
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}
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}
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$output .= $after;
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}
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}
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}
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if ( $echo )
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echo $output;
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return $output;
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}
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//
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// Post-meta: Custom per-post fields.
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//
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function post_custom( $key = '' ) {
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$custom = get_post_custom();
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if ( 1 == count($custom[$key]) )
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return $custom[$key][0];
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else
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return $custom[$key];
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}
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// this will probably change at some point...
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function the_meta() {
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if ( $keys = get_post_custom_keys() ) {
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echo "<ul class='post-meta'>\n";
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foreach ( $keys as $key ) {
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$keyt = trim($key);
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if ( '_' == $keyt{0} )
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continue;
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$values = array_map('trim', get_post_custom_values($key));
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$value = implode($values,', ');
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echo apply_filters('the_meta_key', "<li><span class='post-meta-key'>$key:</span> $value</li>\n", $key, $value);
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}
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echo "</ul>\n";
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}
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}
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//
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// Pages
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//
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function wp_dropdown_pages($args = '') {
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$defaults = array(
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'depth' => 0, 'child_of' => 0,
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'selected' => 0, 'echo' => 1,
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'name' => 'page_id', 'show_option_none' => ''
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);
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$r = wp_parse_args( $args, $defaults );
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extract( $r, EXTR_SKIP );
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$pages = get_pages($r);
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$output = '';
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if ( ! empty($pages) ) {
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$output = "<select name='$name'>\n";
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if ( $show_option_none )
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$output .= "\t<option value=''>$show_option_none</option>\n";
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$output .= walk_page_dropdown_tree($pages, $depth, $r);
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$output .= "</select>\n";
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}
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$output = apply_filters('wp_dropdown_pages', $output);
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if ( $echo )
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echo $output;
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return $output;
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}
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function wp_list_pages($args = '') {
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$defaults = array(
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'depth' => 0, 'show_date' => '',
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'date_format' => get_option('date_format'),
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'child_of' => 0, 'exclude' => '',
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'title_li' => __('Pages'), 'echo' => 1,
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'authors' => '', 'sort_column' => 'menu_order, post_title'
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);
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$r = wp_parse_args( $args, $defaults );
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extract( $r, EXTR_SKIP );
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$output = '';
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$current_page = 0;
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// sanitize, mostly to keep spaces out
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$r['exclude'] = preg_replace('[^0-9,]', '', $r['exclude']);
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// Allow plugins to filter an array of excluded pages
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$r['exclude'] = implode(',', apply_filters('wp_list_pages_excludes', explode(',', $r['exclude'])));
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// Query pages.
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$r['hierarchical'] = 0;
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$pages = get_pages($r);
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if ( !empty($pages) ) {
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if ( $r['title_li'] )
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$output .= '<li class="pagenav">' . $r['title_li'] . '<ul>';
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global $wp_query;
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if ( is_page() || $wp_query->is_posts_page )
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$current_page = $wp_query->get_queried_object_id();
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$output .= walk_page_tree($pages, $r['depth'], $current_page, $r);
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if ( $r['title_li'] )
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$output .= '</ul></li>';
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}
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$output = apply_filters('wp_list_pages', $output);
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if ( $r['echo'] )
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echo $output;
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else
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return $output;
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}
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//
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// Page helpers
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//
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function walk_page_tree() {
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$walker = new Walker_Page;
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$args = func_get_args();
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return call_user_func_array(array(&$walker, 'walk'), $args);
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}
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function walk_page_dropdown_tree() {
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$walker = new Walker_PageDropdown;
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$args = func_get_args();
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return call_user_func_array(array(&$walker, 'walk'), $args);
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}
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//
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// Attachments
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//
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function the_attachment_link($id = 0, $fullsize = false, $max_dims = false, $permalink = false) {
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echo get_the_attachment_link($id, $fullsize, $max_dims, $permalink);
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}
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function get_the_attachment_link($id = 0, $fullsize = false, $max_dims = false, $permalink = false) {
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$id = (int) $id;
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$_post = & get_post($id);
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if ( ('attachment' != $_post->post_type) || !$url = wp_get_attachment_url($_post->ID) )
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return __('Missing Attachment');
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if ( $permalink )
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$url = get_attachment_link($_post->ID);
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$post_title = attribute_escape($_post->post_title);
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$innerHTML = get_attachment_innerHTML($_post->ID, $fullsize, $max_dims);
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return "<a href='$url' title='$post_title'>$innerHTML</a>";
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}
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function get_attachment_icon_src( $id = 0, $fullsize = false ) {
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$id = (int) $id;
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if ( !$post = & get_post($id) )
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return false;
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$file = get_attached_file( $post->ID );
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if ( !$fullsize && $thumbfile = wp_get_attachment_thumb_file( $post->ID ) ) {
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// We have a thumbnail desired, specified and existing
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$src = wp_get_attachment_thumb_url( $post->ID );
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$src_file = $thumbfile;
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$class = 'attachmentthumb';
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} elseif ( wp_attachment_is_image( $post->ID ) ) {
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// We have an image without a thumbnail
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$src = wp_get_attachment_url( $post->ID );
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$src_file = & $file;
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$class = 'attachmentimage';
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} elseif ( $src = wp_mime_type_icon( $post->ID ) ) {
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// No thumb, no image. We'll look for a mime-related icon instead.
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$icon_dir = apply_filters( 'icon_dir', get_template_directory() . '/images' );
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$src_file = $icon_dir . '/' . basename($src);
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}
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if ( !isset($src) || !$src )
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return false;
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return array($src, $src_file);
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}
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function get_attachment_icon( $id = 0, $fullsize = false, $max_dims = false ) {
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$id = (int) $id;
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if ( !$post = & get_post($id) )
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return false;
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if ( !$src = get_attachment_icon_src( $post->ID, $fullsize ) )
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return false;
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list($src, $src_file) = $src;
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// Do we need to constrain the image?
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if ( ($max_dims = apply_filters('attachment_max_dims', $max_dims)) && file_exists($src_file) ) {
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$imagesize = getimagesize($src_file);
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if (($imagesize[0] > $max_dims[0]) || $imagesize[1] > $max_dims[1] ) {
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$actual_aspect = $imagesize[0] / $imagesize[1];
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$desired_aspect = $max_dims[0] / $max_dims[1];
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if ( $actual_aspect >= $desired_aspect ) {
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$height = $actual_aspect * $max_dims[0];
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$constraint = "width='{$max_dims[0]}' ";
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$post->iconsize = array($max_dims[0], $height);
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} else {
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$width = $max_dims[1] / $actual_aspect;
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$constraint = "height='{$max_dims[1]}' ";
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$post->iconsize = array($width, $max_dims[1]);
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}
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} else {
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$post->iconsize = array($imagesize[0], $imagesize[1]);
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$constraint = '';
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}
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} else {
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$constraint = '';
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}
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$post_title = attribute_escape($post->post_title);
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$icon = "<img src='$src' title='$post_title' alt='$post_title' $constraint/>";
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return apply_filters( 'attachment_icon', $icon, $post->ID );
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}
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function get_attachment_innerHTML($id = 0, $fullsize = false, $max_dims = false) {
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$id = (int) $id;
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if ( !$post = & get_post($id) )
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return false;
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if ( $innerHTML = get_attachment_icon($post->ID, $fullsize, $max_dims))
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return $innerHTML;
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$innerHTML = attribute_escape($post->post_title);
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return apply_filters('attachment_innerHTML', $innerHTML, $post->ID);
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}
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function prepend_attachment($content) {
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$p = '<p class="attachment">';
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$p .= get_the_attachment_link(false, true, array(400, 300));
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$p .= '</p>';
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$p = apply_filters('prepend_attachment', $p);
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return "$p\n$content";
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}
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//
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// Misc
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//
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function get_the_password_form() {
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global $post;
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$label = 'pwbox-'.(empty($post->ID) ? rand() : $post->ID);
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$output = '<form action="' . get_option('siteurl') . '/wp-pass.php" method="post">
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<p>' . __("This post is password protected. To view it please enter your password below:") . '</p>
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<p><label for="' . $label . '">' . __("Password:") . ' <input name="post_password" id="' . $label . '" type="password" size="20" /></label> <input type="submit" name="Submit" value="' . __("Submit") . '" /></p>
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</form>
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';
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return $output;
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}
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/**
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* is_page_template() - Determine wether or not we are in a page template
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*
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* This template tag allows you to determine wether or not you are in a page template.
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* You can optional provide a template name and then the check will be specific to
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* that template.
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*
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* @package Template Tags
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* @global object $wp_query
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* @param string $template The specific template name if specific matching is required
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*/
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function is_page_template($template = '') {
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if (!is_page()) {
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return false;
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}
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global $wp_query;
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$page = $wp_query->get_queried_object();
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$custom_fields = get_post_custom_values('_wp_page_template',$page->ID);
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$page_template = $custom_fields[0];
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// We have no argument passed so just see if a page_template has been specified
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if ( empty( $template ) ) {
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if (!empty( $page_template ) ) {
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return true;
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}
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} elseif ( $template == $page_template) {
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return true;
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}
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return false;
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}
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?>
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