08ca04f068
git-svn-id: https://develop.svn.wordpress.org/trunk@4278 602fd350-edb4-49c9-b593-d223f7449a82
456 lines
12 KiB
PHP
456 lines
12 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($title) > 0 ) {
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$title = apply_filters('the_title', $before . $title . $after, $before, $after);
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if ( $echo )
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echo $title;
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else
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return $title;
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}
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}
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function get_the_title($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 ( 'private' == $post->post_status )
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$title = sprintf(__('Private: %s'), $title);
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return $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, $single, $withcomments, $page, $pages, $multipage, $numpages;
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global $preview;
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global $pagenow;
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$output = '';
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if ( !empty($post->post_password) ) { // if there's a password
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if ( stripslashes($_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 .= '<a id="more-'.$id.'"></a>'.$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 $output;
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}
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function the_excerpt() {
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echo apply_filters('the_excerpt', get_the_excerpt());
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}
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function get_the_excerpt($fakeit = true) {
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global $id, $post;
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$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 ( $_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', $output);
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}
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function wp_link_pages($args = '') {
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if ( is_array($args) )
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$r = &$args;
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else
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parse_str($args, $r);
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$defaults = array('before' => '<p>' . __('Pages:'), 'after' => '</p>', 'next_or_number' => 'number', 'nextpagelink' => __('Next page'),
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'previouspagelink' => __('Previous page'), 'pagelink' => '%', 'more_file' => '', 'echo' => 1);
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$r = array_merge($defaults, $r);
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extract($r);
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global $id, $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) && ($page==1)) ) {
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if ( '' == get_option('permalink_structure') )
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$output .= '<a href="' . get_permalink() . '&page=' . $i . '">';
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else
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$output .= '<a href="' . trailingslashit( get_permalink() ) . $i . '/">';
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}
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$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 && $more ) {
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if ( '' == get_option('permalink_structure') )
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$output .= '<a href="' . get_permalink() . '&page=' . $i . '">'.$previouspagelink.'</a>';
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else
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$output .= '<a href="' . get_permalink() . $i . '/">'.$previouspagelink.'</a>';
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}
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$i = $page + 1;
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if ( $i <= $numpages && $more ) {
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if ( '' == get_option('permalink_structure') )
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$output .= '<a href="'.get_permalink() . '&page=' . $i . '">'.$nextpagelink.'</a>';
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else
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$output .= '<a href="'.get_permalink().$i.'/">'.$nextpagelink.'</a>';
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}
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$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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global $id, $post_meta_cache;
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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($values,', ');
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echo "<li><span class='post-meta-key'>$key:</span> $value</li>\n";
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}
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echo "</ul>\n";
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}
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}
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//
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// Pages
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//
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function wp_dropdown_pages($args = '') {
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if ( is_array($args) )
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$r = &$args;
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else
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parse_str($args, $r);
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$defaults = array('depth' => 0, 'child_of' => 0, 'selected' => 0, 'echo' => 1,
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'name' => 'page_id', 'show_option_none' => '');
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$r = array_merge($defaults, $r);
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extract($r);
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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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if ( is_array($args) )
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$r = &$args;
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else
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parse_str($args, $r);
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$defaults = array('depth' => 0, 'show_date' => '', 'date_format' => get_option('date_format'),
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'child_of' => 0, 'title_li' => __('Pages'), 'echo' => 1, 'authors' => '');
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$r = array_merge($defaults, $r);
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$output = '';
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// Query pages.
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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 $wp_query;
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$current_page = $wp_query->get_queried_object_id();
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$output .= walk_page_tree($pages, $r['depth'], $current_page, $r['show_date'], $r['date_format']);
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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, $max_dims = false) {
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echo get_the_attachment_link($id, $fullsize, $max_dims);
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}
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function get_the_attachment_link($id = 0, $fullsize = false, $max_dims = false) {
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$id = (int) $id;
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$_post = & get_post($id);
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if ( ('attachment' != $_post->post_type) || ('' == $_post->guid) )
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return __('Missing Attachment');
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if (! empty($_post->guid) ) {
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$innerHTML = get_attachment_innerHTML($_post->ID, $fullsize, $max_dims);
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return "<a href=\"{$_post->guid}\" title=\"{$_post->post_title}\" >{$innerHTML}</a>";
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} else {
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$p .= __('Missing Attachment');
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}
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return $p;
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}
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function get_attachment_icon($id = 0, $fullsize = false, $max_dims = false) {
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$id = (int) $id;
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$post = & get_post($id);
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$mime = $post->post_mime_type;
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$imagedata = get_post_meta($post->ID, '_wp_attachment_metadata', true);
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$file = get_post_meta($post->ID, '_wp_attached_file', true);
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if ( !$fullsize && !empty($imagedata['thumb'])
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&& ($thumbfile = str_replace(basename($file), $imagedata['thumb'], $file))
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&& file_exists($thumbfile) ) {
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// We have a thumbnail desired, specified and existing
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$src = str_replace(basename($post->guid), $imagedata['thumb'], $post->guid);
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$src_file = $thumbfile;
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$class = 'attachmentthumb';
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} elseif ( substr($mime, 0, 6) == 'image/'
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&& file_exists($file) ) {
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// We have an image without a thumbnail
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$src = $post->guid;
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$src_file = & $file;
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$class = 'attachmentimage';
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} elseif (! empty($mime) ) {
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// No thumb, no image. We'll look for a mime-related icon instead.
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$icon_dir = apply_filters('icon_dir', get_template_directory().'/images');
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$icon_dir_uri = apply_filters('icon_dir_uri', get_template_directory_uri().'/images');
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$types = array(substr($mime, 0, strpos($mime, '/')), substr($mime, strpos($mime, '/') + 1), str_replace('/', '_', $mime));
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$exts = array('jpg', 'gif', 'png');
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foreach ($types as $type) {
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foreach ($exts as $ext) {
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$src_file = "$icon_dir/$type.$ext";
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if ( file_exists($src_file) ) {
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$src = "$icon_dir_uri/$type.$ext";
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break 2;
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}
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}
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}
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}
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if (! isset($src) )
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return false;
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// Do we need to constrain the image?
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if ( ($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], $imagesize[1]);
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}
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}
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$icon = "<img src=\"{$src}\" title=\"{$post->post_title}\" alt=\"{$post->post_title}\" {$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 ( $innerHTML = get_attachment_icon($id, $fullsize, $max_dims))
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return $innerHTML;
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$post = & get_post($id);
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$innerHTML = $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$content";
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}
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//
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// Misc
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//
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function get_the_password_form() {
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$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>' . __("Password:") . ' <input name="post_password" 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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