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custom.php
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<?php
/**
* Oenology Theme custom functions
*
* Contains all of the Theme's custom functions, which include
* helper functions and various filters.
*
* @package Oenology
* @copyright Copyright (c) 2010, Chip Bennett
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU General Public License, v2 (or newer)
*
* @since Oenology 1.0
*/
/**
* @todo complete inline documentation
* @todo sort function definitions alphabetically
*/
/**
* Get current page context
*
* Returns a string containing the context of the
* current page. This string is useful for several
* purposes, including applying an ID to the HTML
* body tag, and adding a contextual $name to calls
* to get_header(), get_footer(), get_sidebar(),
* and get_template_part_file(), in order to
* facilitate Child Themes overriding default Theme
* template part files.
*
* @param none
* @return string current page context
*/
function oenology_get_context() {
$context = 'index';
if ( is_front_page() ) {
// Front Page
$context = 'front-page';
} else if ( is_date() ) {
// Date Archive Index
$context = 'date';
} else if ( is_author() ) {
// Author Archive Index
$context = 'author';
} else if ( is_category() ) {
// Category Archive Index
$context = 'category';
} else if ( is_tag() ) {
// Tag Archive Index
$context = 'tag';
} else if ( is_tax() ) {
// Taxonomy Archive Index
$context = 'taxonomy';
} else if ( is_archive() ) {
// Archive Index
$context = 'archive';
} else if ( is_search() ) {
// Search Results Page
$context = 'search';
} else if ( is_404() ) {
// Error 404 Page
$context = '404';
} else if ( is_attachment() ) {
// Attachment Page
$context = 'attachment';
} else if ( is_singular( 'post' ) ) {
// Single Blog Post
$context = 'single';
} else if ( is_page() ) {
// Static Page
$context = 'page';
} else if ( is_singular() ) {
// Single Custom Post
$context = get_post_type();
} else if ( is_home() ) {
// Blog Posts Index
$context = 'home';
}
return $context;
}
/**
* Get Current Page Layout
*/
function oenology_get_current_page_layout() {
// Use default layout for 404 pages
if ( is_404() ) {
return 'default';
}
// Otherwise, determine appropriate layout
$layout = '';
global $post;
global $oenology_options;
$custom = ( get_post_custom( $post->ID ) ? get_post_custom( $post->ID ) : false );
$custom_layout = ( isset( $custom['_oenology_layout'][0] ) ? $custom['_oenology_layout'][0] : 'default' );
if ( ! is_admin() ) {
if ( is_attachment() ) {
$layout .= 'attachment';
}
else if ( is_page() ) {
if ( 'default' == $custom_layout ) {
$layout .= $oenology_options['default_static_page_layout'];
} else {
$layout .= $custom_layout;
}
}
else if ( is_singular( 'post' ) ) {
if ( 'gallery' == get_post_format() || 'image' == get_post_format() || 'video' == get_post_format() ) {
$layout .= 'full';
}
else if ( 'default' == $custom_layout ) {
$layout .= $oenology_options['default_single_post_layout'];
}
else {
$layout .= $custom_layout;
}
}
else if ( is_home() || is_archive() || is_search() || is_404() ) {
$layout .= $oenology_options['post_index_layout'];
}
}
else if ( is_admin() ) {
if ( 'attachment' == $post->post_type ) {
$layout .= 'attachment';
}
else if ( 'page' == $post->post_type ) {
if ( 'default' == $custom_layout ) {
$layout .= $oenology_options['default_static_page_layout'];
}
else {
$layout .= $custom_layout;
}
}
else if ( 'post' == $post->post_type ) {
if ( 'gallery' == get_post_format( $post->ID ) || 'image' == get_post_format( $post->ID ) || 'video' == get_post_format( $post->ID ) ) {
$layout .= 'full';
}
if ( 'default' == $custom_layout ) {
$layout .= $oenology_options['default_single_post_layout'];
}
else {
$layout .= $custom_layout;
}
}
}
return $layout;
}
/**
* Get current settings page tab
*/
function oenology_get_current_tab() {
$page = 'oenology-settings';
if ( isset( $_GET['page'] ) && 'oenology-reference' == $_GET['page'] ) {
$page = 'oenology-reference';
}
if ( isset( $_GET['tab'] ) ) {
$current = $_GET['tab'];
} else {
$oenology_options = oenology_get_options();
if ( 'oenology-settings' == $page ) {
$current = $oenology_options['default_options_tab'];
} else if ( 'oenology-reference' == $page ) {
$current = $oenology_options['default_reference_tab'];
}
}
return $current;
}
/**
* Get custom category list
*/
function oenology_get_custom_category_list() {
$catrssurl = includes_url() . '/images/rss.png';
$customcatlist ='';
$customcats= get_categories();
foreach( $customcats as $customcat ) {
$customcathref = get_category_link( $customcat->term_id );
$customcatfeedlink = get_category_feed_link( $customcat->term_id );
$customcatlist .= '<li><a title="' . esc_attr( sprintf( _x( 'Subscribe to the %s news feed', 'Category Name', 'oenology' ), $customcat->name ) ) . '" href="' . $customcatfeedlink . '"><img src="' . $catrssurl . '" alt="feed" /></a><a href="' . $customcathref . '">' . $customcat->name . '</a> (' . $customcat->count . ')</li>';
}
return $customcatlist;
}
/**
* Get custom post format list
*/
function oenology_get_custom_post_format_list() {
$postformatrssurl = includes_url() . '/images/rss.png';
$postformatterms = get_terms( 'post_format' );
$postformatlist = '';
foreach( $postformatterms as $term ) {
$termslug = substr( $term->slug, 12 );
$termlink = get_post_format_link( $termslug );
$postformatlist .= '<li><a title="' . esc_attr( sprintf( _x( 'Subscribe to the %s news feed', 'Post Format', 'oenology' ), $term->name ) ) . '" href="' . $termlink .'feed/"><img src="'.$postformatrssurl.'" alt="feed" /></a><a href="'. $termlink .'">' . $term->name . '</a> (' . $term->count . ')</li>';
}
return $postformatlist;
}
/**
* Get custom tag list
*/
function oenology_get_custom_tag_list() {
$tagrssurl = includes_url() . '/images/rss.png';
$customtaglist ='';
$customtags = get_tags();
foreach( $customtags as $customtag ) {
$customtaghref = get_tag_link( $customtag->term_id );
$customtagfeedlink = get_tag_feed_link( $customtag->term_id );
$customtaglist .= '<li><a title="' . esc_attr( sprintf( _x( 'Subscribe to the %s feed', 'Tag Name', 'oenology' ), $customtag->name ) ) . '" href="' . $customtagfeedlink . '"><img src="' . $tagrssurl . '" alt="feed" /></a><a href="' . $customtaghref . '">' . $customtag->name . '</a> (' . $customtag->count . ')</li>';
}
return $customtaglist;
}
/**
* Get GitHub API Data
*
* Uses the GitHub API (v3) to get information
* regarding open or closed issues (bug reports)
* or commits, then outputs them in a table.
*
* Derived from code originally developed by
* Michael Fields (@_mfields):
* @link https://gist.github.com/1061846 Simple Github commit API shortcode for WordPress
*
* @param string $context (required) API data context. Currently supports 'commits' and 'issues'. Default: 'commits'
* @param string $status (optional) Issue state, either 'open' or 'closed'. Only used for 'commits' context. Default: 'open'
* @param string $releasedate (optional) Date, in YYYY-MM-DD format, used to return commits/issues since last release.
* @param string $user (optional) GitHub user who owns repository.
* @param string $repo (optional) GitHub repository for which to return API data
*
* @return string table of formatted API data
*/
function oenology_get_github_api_data( $context = 'commits', $status = 'open', $milestone = '8', $roadmap = false, $currentrelease = '2.7', $releasedate = '2012-06-15', $user = 'chipbennett', $repo = 'oenology' ) {
$capability = 'read';
// $branch is user/repository string.
// Used variously throughout the function
$branch = $user . '/' . $repo;
// Create transient key string. Used to ensure API data are
// pinged only periodically. Different transient keys are
// created for commits, open issues, and closed issues.
$transient_key = 'oenology_' . $currentrelease . '_github_';
if ( 'commits' == $context ) {
$transient_key .= 'commits' . md5( $branch );
} else if ( 'issues' == $context ) {
$transient_key .= 'issues_' . $status . md5( $branch . $milestone );
}
// If cached (transient) data are used, output an HTML
// comment indicating such
$cached = get_transient( $transient_key );
if ( false !== $cached ) {
return $cached .= "\n" . '<!--Returned from transient cache.-->';
}
// Construct the API request URL, based on $branch and
// $context, for issues, $status, and $milestone
$apiurl = 'https://api.github.com/repos/' . $branch . '/' . $context;
if ( 'commits' == $context ) {
$apiurl .= '';
} else if ( 'issues' == $context ) {
$apiurl .= '?state=' . $status;
$apiurl .= '&milestone=' . $milestone;
$apiurl .= '&sort=created&direction=asc';
}
// Request the API data, using the constructed URL
$remote = wp_remote_get( esc_url( $apiurl ) );
// If the API data request results in an error, return
// an appropriate comment
if ( is_wp_error( $remote ) ) {
if ( current_user_can( $capability ) ) {
return '<p>Github API: Github is unavailable.</p>';
}
return;
}
// If the API returns a server error in response, output
// an error message indicating the server response.
if ( '200' != $remote['response']['code'] ) {
if ( current_user_can( $capability ) ) {
return '<p>Github API: Github responded with an HTTP status code of ' . esc_html( $remote['response']['code'] ) . '.</p>';
}
return;
}
// If the API returns a valid response, the data will be
// json-encoded; so decode it.
$data = json_decode( $remote['body'] );
if ( 'issues' == $context ) {
// Test
}
usort( $data, 'oenology_sort_github_data' );
// If the decoded json data is null, return a message
// indicating that no data were returned.
if ( ! isset( $data ) || empty( $data ) ) {
$apidata = $context;
if ( 'issues' == $context ) {
$apidata = $status . ' ' . $context;
}
if ( current_user_can( $capability ) ) {
return '<p>No ' . $apidata . ' could be found.</p>';
return '<p>Github API: No ' . $apidata . ' could be found for this repository.</p>';
}
return;
}
// If the decoded json data has content, prepare the data
// to be output.
if ( 'issues' == $context ) {
// $reportdate is used as a table column header
$reportdate = ( 'open' == $status ? 'Reported' : 'Closed' );
// $reportobject is used to return the appropriate timestamp
$reportobject = ( 'open' == $status ? 'created_at' : 'closed_at' );
} else if ( 'commits' == $context ) {
// $reportdate is used as a table column header
$reportdate = 'Date';
}
// $reportidlabel is used as a table column header
$reportidlabel = ( 'issues' == $context ? '#' : 'Commit' );
// $datelastrelease is the PHP date of last released, based
// on the $releasedate parameter passed to the function
$datelastrelease = get_date_from_gmt( date( 'Y-m-d H:i:s', strtotime( $releasedate ) ), 'U' );
// Begin constructing the table
$output = '';
$output .= "\n" . '<table class="github-api github-' . $context . '">';
$output .= "\n" . '<thead>';
$output .= "\n\t" . '<tr><th>' . $reportidlabel . '</th><th>' . $reportdate . '</th>';
if ( 'issues' == $context ) {
$output .= '<th>Milestone</th><th>Label</th>';
}
$output .= '<th>Issue</th></tr>';
$output .= "\n" . '</thead>';
$output .= "\n" . '<tbody>';
// Step through each object in the $data array
foreach( $data as $object ) {
if ( 'issues' == $context ) {
$url = 'https://github.com/' . $branch . '/' . $context .'/' . $object->number;
$reportid = $object->number;
$message = $object->title;
$label = $object->labels;
$label = ( isset( $label[0] ) ? $label[0] : 'n/a' );
$labelname = ( isset( $label->name ) ? $label->name : 'n/a' );
$labelcolor = ( isset( $label->color ) ? $label->color : 'n/a' );
$objecttime = $object->$reportobject;
$milestoneobj = $object->milestone;
$milestonetitle = ( isset( $milestoneobj->title ) ? $milestoneobj->title : 'n/a' );
$milestonenumber = ( isset( $milestoneobj->number ) ? $milestoneobj->number : 'n/a' );
} else if ( 'commits' == $context ) {
$url = 'https://github.com/' . $branch . '/commit/' . $object->sha;
$reportid = substr( $object->sha, 0, 6 );
$commit = $object->commit;
$message = $commit->message;
$author = $commit->author;
$objecttime = $author->date;
}
$time = get_date_from_gmt( date( 'Y-m-d H:i:s', strtotime( $objecttime ) ), 'U' );
$timestamp = date( 'dMy', $time );
$time_human = 'About ' . human_time_diff( $time, get_date_from_gmt( date( 'Y-m-d H:i:s' ), 'U' ) ) . ' ago';
$time_machine = date( 'Y-m-d\TH:i:s\Z', $time );
$time_title_attr = date( get_option( 'date_format' ) . ' at ' . get_option( 'time_format' ), $time );
// Only output $data reported/created/closed since
// the last release
if ( ( 'issues' == $context && ( $milestone == $milestonenumber || ( true == $roadmap && $milestonetitle > $currentrelease ) ) ) || ( 'commits' == $context && $time > $datelastrelease ) ) {
$output .= "\n\t" . '<tr>';
$output .= '<td style="padding:3px 5px;text-align:center;font-weight:bold;"><a href="' . esc_url( $url ) . '">' . $reportid . '</a></td>';
$output .= '<td style="padding:3px 5px;text-align:center;color:#999;font-size:12px;"><time title="' . esc_attr( $time_title_attr ) . '" datetime="' . esc_attr( $time_machine ) . '">' . esc_html( $timestamp ) . '</time></td>';
if ( 'issues' == $context ) {
$output .= '<td style="padding:3px 5px;text-align:center;color:#999;">' . $milestonetitle . '</td>';
$output .= '<td style="padding-left:5px;text-align:center;"><div style="text-shadow:#555 1px 1px 0px;border:1px solid #bbb;-webkit-border-radius:5px;-moz-border-radius:5px;border-radius:5px;padding:3px;padding-bottom:5px;padding-top:1px;font-weight:bold;background-color:#ffffff;color:#' . $labelcolor . ';">' . $labelname . '</div></td>';
}
$output .= '<td style="padding:3px 5px;font-size:12px;">' . esc_html( $message ) . '</td>';
$output .= '</tr>';
}
}
// Complete construction of the table
$output .= "\n" . '</tbody>';
$output .= "\n" . '</table>';
// Set the transient (cache) for the API data
set_transient( $transient_key, $output, 600 );
// Return the output
return $output;
}
/**
* Sort GitHub API Data
*
* Callback function for usort() to sort the GitHub
* API (v3) issues data by issue number or commit date
*
* @return object object of GitHub API data sorted by issue number or commit date
*/
function oenology_sort_github_data( $a, $b ) {
$sort = 0;
$param_a = '';
$param_b = '';
if ( isset( $a->number ) ) {
$param_a = $a->number;
$param_b = $b->number;
} else if ( isset( $a->committer ) ) {
$commit_a = $a->commit;
$commit_b = $b->commit;
$committer_a = $commit_a->committer;
$committer_b = $commit_b->committer;
$param_a = get_date_from_gmt( date( 'Y-m-d H:i:s', strtotime( $committer_a->date ) ), 'U' );
$param_b = get_date_from_gmt( date( 'Y-m-d H:i:s', strtotime( $committer_b->date ) ), 'U' );
}
if ( $param_a == $param_b ) {
$sort = 0;
} else {
$sort = ( $param_a < $param_b ? -1 : 1 );
}
return $sort;
}
/**
* Determine Header Text Color Setting
*
* Determine what color value to pass to the
* HEADER_TEXTCOLOR constant, based on whether a
* dark or light color scheme is being displayed.
*/
function oenology_get_header_textcolor() {
$headertextcolor = ( get_header_textcolor() ? get_header_textcolor() : false );
if ( ! $headertextcolor ) {
$colorscheme = oenology_get_color_scheme();
if ( 'light' == $colorscheme ) {
$headertextcolor = '666666';
} elseif ( 'dark' == $colorscheme ) {
$headertextcolor = 'dddddd';
}
}
return $headertextcolor;
}
/*
* Define supported Post Format types
*
* Return an array containing the list of Post Format types
* supported by the Theme.
*
* @param none
* @return array Post format types supported by the Theme
* @since Oenology 1.2
*/
function oenology_get_post_formats() {
$postformats = array(
'aside' => array(
'slug' => 'aside',
'description' => __( 'An incidental remark; digression: a message that departs from the main subject.', 'oenology' )
),
'audio' => array(
'slug' => 'audio',
'description' => __('A sound, or a sound signal; Of or relating to audible sound; Of or relating to the broadcasting or reproduction of sound, especially high-fidelity reproduction.', 'oenology' )
),
'chat' => array(
'slug' => 'chat',
'description' => __('Any kind of communication over the Internet; primarily direct one-on-one chat or text-based group chat (formally also known as synchronous conferencing), using tools such as instant messengers and Internet Relay Chat.', 'oenology' )
),
'gallery' => array(
'slug' => 'gallery',
'description' => __('A collection of art for exhibition.', 'oenology' )
),
'image' => array(
'slug' => 'image',
'description' => __('picture: A visual representation (of an object or scene or person or abstraction) produced on a surface.', 'oenology' )
),
'link' => array(
'slug' => 'link',
'description' => __('A reference to a document that the reader can directly follow, or that is followed automatically. The reference points to a whole document or to a specific element within a document.', 'oenology' )
),
'quote' => array(
'slug' => 'quote',
'description' => __('A quotation, statement attributed to someone else; To refer to (part of) a statement that has been made by someone else.', 'oenology' )
),
'status' => array(
'slug' => 'status',
'description' => __('state or condition of affairs', 'oenology' )
),
'video' => array(
'slug' => 'video',
'description' => __('A recording of both visual and audible components; Electronically capturing, recording, processing, storing, transmitting, and reconstructing a sequence of still images representing scenes in motion.', 'oenology' )
)
);
return $postformats;
}
/**
* Define Oenology Admin Page Tab Markup
*
* @uses oenology_get_current_tab() defined in \functions\options.php
* @uses oenology_get_settings_page_tabs() defined in \functions\options.php
*
* @link http://www.onedesigns.com/tutorials/separate-multiple-theme-options-pages-using-tabs Daniel Tara
*/
function oenology_get_page_tab_markup() {
$page = 'oenology-settings';
$current = oenology_get_current_tab();
$tabs = oenology_get_settings_page_tabs();
$links = array();
foreach( $tabs as $tab ) {
$tabname = $tab['name'];
$tabtitle = $tab['title'];
if ( $tabname == $current ) {
$links[] = "<a class='nav-tab nav-tab-active' href='?page=$page&tab=$tabname'>$tabtitle</a>";
} else {
$links[] = "<a class='nav-tab' href='?page=$page&tab=$tabname'>$tabtitle</a>";
}
}
echo '<div id="icon-themes" class="icon32"><br /></div>';
echo '<h2 class="nav-tab-wrapper">';
foreach ( $links as $link )
echo $link;
echo '</h2>';
}
/**
* Oenology Theme Social Networks
*
* Array that holds all of the valid social
* networks for Oenology.
*
* @return array $socialnetworks array of arrays of social network parameters
*/
function oenology_get_social_networks() {
$socialnetworks = array(
'youtube' => array(
'name' => 'youtube',
'title' => __( 'YouTube', 'oenology' ),
'baseurl' => 'http://www.youtube.com'
),
'myspace' => array(
'name' => 'myspace',
'title' => __( 'MySpace', 'oenology' ),
'baseurl' => 'http://www.myspace.com'
),
'linkedin' => array(
'name' => 'linkedin',
'title' => __( 'Linked-In', 'oenology' ),
'baseurl' => 'http://www.linkedin.com/in'
),
'flickr' => array(
'name' => 'flickr',
'title' => __( 'Flickr', 'oenology' ),
'baseurl' => 'http://www.flickr.com/photos'
),
'facebook' => array(
'name' => 'facebook',
'title' => __( 'Facebook', 'oenology' ),
'baseurl' => 'http://www.facebook.com'
),
'twitter' => array(
'name' => 'twitter',
'title' => __( 'Twitter', 'oenology' ),
'baseurl' => 'http://www.twitter.com'
)
);
return $socialnetworks;
}
/**
* Image Handling for gallery previous/next links
*
* function needed because WP gives no easy way to
* display both image and text in prev/next links.
*/
function oenology_gallery_links() {
global $post;
$post = get_post($post);
$attachments = array_values(get_children("post_parent=$post->post_parent&post_type=attachment&post_mime_type=image&orderby=menu_order ASC, ID ASC"));
$k = 0;
foreach ( $attachments as $k => $attachment )
if ( $attachment->ID == $post->ID )
break;
$links = array( 'prevlink' => '', 'prevthumb' => '', 'nextlink' => '', 'nextthumb' => '' );
if ( isset($attachments[$k+1]) ) {
$links['prevlink'] = get_permalink($attachments[$k+1]->ID);
$links['prevthumb'] = wp_get_attachment_link($attachments[$k+1]->ID, 'attachment-nav-thumbnail', true);
}
if ( isset($attachments[$k-1]) ) {
$links['nextlink'] = get_permalink($attachments[$k-1]->ID);
$links['nextthumb'] = wp_get_attachment_link($attachments[$k-1]->ID, 'attachment-nav-thumbnail', true);
}
return $links;
}
/**
* Image Handling for gallery image metadata
*/
function oenology_gallery_image_meta() {
global $post;
$post = get_post($post);
$is_parent = get_children( array( 'post_parent' => $post->ID, 'post_type' => 'attachment', 'post_mime_type' => 'image', 'orderby' => 'menu_order', 'order' => 'ASC' ) );
$attachmentimage = ( $is_parent ? array_shift( $is_parent ) : false );
$imagepost = ( $attachmentimage ? $attachmentimage->ID : $post->ID );
$m = get_post_meta( $imagepost, '_wp_attachment_metadata' , true );
$image = wp_get_attachment_image( $imagepost, 'full' );
$url = wp_get_attachment_url( $imagepost );
$uploaddir = wp_upload_dir();
$imagesize = size_format( filesize( $uploaddir['basedir'] . '/' . $m['file'] ) );
$image_meta = array (
'image' => $image,
'url' => $url,
'width' => $m['width'],
'height' => $m['height'],
'dimensions' => false,
'filesize' => $imagesize,
'created_timestamp' => $m['image_meta']['created_timestamp'],
'copyright' => $m['image_meta']['copyright'],
'credit' => $m['image_meta']['credit'],
'aperture' => $m['image_meta']['aperture'],
'focal_length' => $m['image_meta']['focal_length'],
'iso' => $m['image_meta']['iso'],
'shutter_speed' => $m['image_meta']['shutter_speed'],
'camera' => $m['image_meta']['camera'],
'caption' => '(No caption provided.)'
);
// image dimensions handler
if ( $m['width'] && $m['height'] ) {
$image_meta['dimensions'] = $m['width'] . '×' . $m['height'] . ' px';
}
// image created_timestamp handler
if ( $m['image_meta']['created_timestamp'] ) {
$image_meta['created_timestamp'] = date( 'm M Y', $m['image_meta']['created_timestamp'] );
}
// image aperture handler
if ( $m['image_meta']['aperture'] ) {
$image_meta['aperture'] = 'f/' . $m['image_meta']['aperture'];
}
// shutter speed handler
if ( ( $m['image_meta']['shutter_speed'] != '0' ) && ( ( 1 / $m['image_meta']['shutter_speed'] ) > 1 ) ) {
$image_meta['shutter_speed'] = "1/";
if (number_format((1 / $m['image_meta']['shutter_speed']), 1) == number_format((1 / $m['image_meta']['shutter_speed']), 0)) {
$image_meta['shutter_speed'] = $image_meta['shutter_speed'] . number_format((1 / $m['image_meta']['shutter_speed']), 0, '.', '') . ' sec';
} else {
$image_meta['shutter_speed'] = $image_meta['shutter_speed'] . number_format((1 / $m['image_meta']['shutter_speed']), 1, '.', '') . ' sec';
}
} else {
$image_meta['shutter_speed'] = $m['image_meta']['shutter_speed'].' sec';
}
// image caption handler
if ( ! empty( $post->post_excerpt ) ) {
$image_meta['caption'] = get_the_excerpt(); // this is the "caption"
} else if ( is_object( $attachmentimage ) && $attachmentimage->post_excerpt ) {
$image_meta['caption'] = $attachmentimage->post_excerpt;
}
return $image_meta;
}
/**
* 404 error handling
*/
function oenology_get_404_content() {
if ( ! is_404() )
return;
// Variable to hold function output
$oenology_404 = '';
// Variables to hold contextual output parts
$oenology_404_intro = '';
$oenology_404_posts = '';
$oenology_404_pages = '';
$oenology_404_category = '';
$oenology_404_tag = '';
$oenology_404_results = '';
$oenology_404_noresults = '';
// Intro text
$oenology_404_intro .= '<p>';
$oenology_404_intro .= __( 'Oh no, not again.', 'oenology' );
$oenology_404_intro .= '</p>';
$oenology_404_intro .= '<p>';
$oenology_404_intro .= __( 'Well, this is weird.', 'oenology' ) . ' ' ;
$oenology_404_intro .= __( 'The post, page, or file you requested could not be found. ', 'oenology' ) . ' ';
$oenology_404_intro .= __( 'The best laid plans of mice, and all that. ', 'oenology' ) . ' ';
$oenology_404_intro .= __( 'Those who study the complex interplay of cause and effect in the history of the Universe say that this sort of thing is going on all the time.', 'oenology' );
$oenology_404_intro .= '</p>';
$oenology_404_intro .= '<p>';
$oenology_404_intro .= __( 'I apologize for the inconvenience.', 'oenology' ) . ' ';
$oenology_404_intro .= __( 'Let me try to make it up to you!', 'oenology' );
$oenology_404_intro .= '<p>';
// array to hold suggestions
if ( ! isset ( $oenology404suggestions ) ) {
$oenology404postsuggestions = false;
$oenology404pagesuggestions = false;
}
// Extract search term from URL
$patterns_array[] = "/?(trackback|feed|page[0-9]*)/?$";
$patterns_array[] = "\.html$";
$patterns_array = array_map(create_function('$a', '$sep = (strpos($a, "@") === false ? "@" : "%"); return $sep.trim($a).$sep."i";'), $patterns_array);
$search = preg_replace( $patterns_array, "", urldecode( $_SERVER["REQUEST_URI"] ) );
$search = basename(trim($search));
$search = preg_replace( $patterns_array, "", $search);
$search_words = preg_replace( "@[_-]@", " ", $search);
// Search for posts
$posts = get_posts( array( "s" => $search_words ) );
$oenology404postsuggestions = $posts;
// Search for pages
$pages = get_posts( array( "s" => $search_words, "post_type" => "page" ) );
$oenology404pagesuggestions = $pages;
$oenology404suggestions = array_merge ( $oenology404postsuggestions, $oenology404pagesuggestions );
$oenology404nopostsorpages = true;
if ( ! isset ( $oenology404suggestions ) || ! is_array( $oenology404suggestions ) || count( $oenology404suggestions ) == 0 ) {
$oenology404nopostsorpages = true;
} else {
$oenology404nopostsorpages = false;
// Display list of post suggestions
$suggestedposts = $oenology404postsuggestions;
if ( $suggestedposts > 0 ) {
$oenology_404_posts .= '<p>' . __( 'Here is a list of posts that you might have been looking for:', 'oenology' ) . '</p>';
$oenology_404_posts .= '<ul class="oenology404_suggestions">';
foreach ( $suggestedposts as $suggestedpost ) {
$oenology_404_posts .= '<li>';
$oenology_404_posts .= '<span style="text-transform:uppercase;">' . $suggestedpost->post_type . '</span>: <a href="' . get_permalink( $suggestedpost->ID ) . '">' . $suggestedpost->post_title . '</a>';
$oenology_404_posts .= '<blockquote>';
if ( empty( $suggestedpost->post_excerpt ) ) {
$suggestedpost->post_excerpt = explode(" ", strrev( substr( strip_tags( $suggestedpost->post_content ), 0, 300 ) ), 2 );
$suggestedpost->post_excerpt = strrev( $suggestedpost->post_excerpt[1] );
$suggestedpost->post_excerpt.= " [...]";
}
if ( $suggestedpost->post_excerpt ) {
$oenology_404_posts .= $suggestedpost->post_excerpt;
} else {
$oenology_404_posts .= __( 'No excerpt available.', 'oenology' );
}
$oenology_404_posts .= '</blockquote>';
$oenology_404_posts .= '</li>';
}
$oenology_404_posts .= '</ul>';
}
// Display list of page suggestions
$suggestedpages = $oenology404pagesuggestions;
if ( $suggestedpages > 0 ) {
$oenology_404_pages .= '<p>' . __( 'Here is a list of pages that you might have been looking for:', 'oenology' ) . '</p>';
$oenology_404_pages .= '<ul class="oenology404_suggestions">';
foreach ( $suggestedpages as $suggestedpage ) {
$oenology_404_pages .= '<li>';
$oenology_404_pages .= '<span style="text-transform:uppercase;">' . $suggestedpage->post_type . '</span>: <a href="' . get_permalink( $suggestedpage->ID ) . '">' . $suggestedpage->post_title . '</a>';
$oenology_404_pages .= '<blockquote>';
if ( empty( $suggestedpage->post_excerpt ) ) {
$suggestedpage->post_excerpt = explode(" ", strrev( substr( strip_tags( $suggestedpage->post_content ), 0, 300 ) ), 2 );
$suggestedpage->post_excerpt = strrev( $suggestedpage->post_excerpt[1] );
$suggestedpage->post_excerpt.= " [...]";
}
if ( $suggestedpage->post_excerpt ) {
$oenology_404_pages .= $suggestedpage->post_excerpt;
} else {
$oenology_404_pages .= __( 'No excerpt available.', 'oenology' );
}
$oenology_404_pages .= '</blockquote>';
$oenology_404_pages .= '</li>';
}
$oenology_404_pages .= '</ul>';
}
}
// See if we've matched a category
$oenology404nocategories = true;
$categories = get_categories( array ( "name__like" => $search ) );
if ( count( $categories ) > 0 ) {
$oenology404nocategories = false;
$oenology_404_category .= '<p>'. __( 'Perhaps you were looking for something in one of the following categories?', 'oenology' ) . '</p>';
$oenology_404_category .= '<ul class="oenology404_suggestions">';
foreach ( $categories as $category ) {
$oenology_404_category .= '<li><a href="' . get_category_link( $category->term_id ) . '">' . $category->name . '</a></li>';
}
$oenology_404_category .= '</ul>';
}
// See if we've matched a tag
$oenology404notags = true;
$tags = get_tags( array ( "name__like" => $search ) );
if ( count( $tags ) > 0 ) {
$oenology404notags = false;
$oenology_404_tag = '<p>' . __( 'Perhaps you were looking for something with one of the following tags?', 'oenology' ) . '</p>';
$oenology_404_tag .= '<ul class="oenology404_suggestions">';
foreach ( $tags as $tag ) {
$oenology_404_tag .= '<li><a href="' . get_tag_link($tag->term_id) . '">' . $tag->name . '</a></li>';
}
$oenology_404_tag .= '</ul>';
}
// Define "no results" output
$oenology_404_noresults .= '<p>';
$oenology_404_noresults .= __( 'I apologize.', 'oenology' ) . ' ';
$oenology_404_noresults .= __( 'For the life of me, I am unable to figure out what you were trying to find.', 'oenology' ) . ' ';
$oenology_404_noresults .= __( 'Perhaps try searching, using the search form in the upper right-hand corner?', 'oenology' );
$oenology_404_noresults .= '</p>';
// Concatenate "results" output
$oenology_404_results = apply_filters( 'oenology_404_intro', $oenology_404_intro ) . apply_filters( 'oenology_404_posts', $oenology_404_posts ) . apply_filters( 'oenology_404_pages', $oenology_404_pages ) . apply_filters( 'oenology_404_category', $oenology_404_category ) . apply_filters( 'oenology_404_tag', $oenology_404_tag );
$oenology404noresults = false;
if ( $oenology404nopostsorpages && $oenology404nocategories && $oenology404notags ) {
$oenology404noresults = true;
}
$oenology_404 = ( $oenology404noresults ? apply_filters( 'oenology_404_noresults', $oenology_404_noresults ) : apply_filters( 'oenology_404_results', $oenology_404_results ) );
return apply_filters( 'oenology_404', $oenology_404 );
}
/**
* Add navigation breadcrumb function
*/
/* Credit: Dimox
* http://dimox.net/wordpress-breadcrumbs-without-a-plugin/
*/
function oenology_breadcrumb() {
$containerBefore = apply_filters( 'oenology_breadcrumb_container_before', '<li id="breadcrumbs">' );
$containerAfter = apply_filters( 'oenology_breadcrumb_container_after', '</li>' );
$containerCrumb = apply_filters( 'oenology_breadcrumb_container_open', '<div class="crumbs">' );
$containerCrumbEnd = apply_filters( 'oenology_breadcrumb_container_close', '</div>' );
$delimiter = apply_filters( 'oenology_breadcrumb_delimiter', ' » ' );
$name = apply_filters( 'oenology_breadcrumb_home_text', 'Home' ); //text for the 'Home' link
$blogname = apply_filters( 'oenology_breadcrumb_blog_text', 'Blog' ); //text for the 'Blog' link
$currentBefore = apply_filters( 'oenology_breadcrumb_current_before', '<strong>' );
$currentAfter = apply_filters( 'oenology_breadcrumb_current_after', '</strong>' );
$baseLink = '';
$hierarchy = '';
$currentLocation = '';
$currentLocationLink = '';
$crumbPagination = '';
$home = home_url('/');
global $post;
// Base Link
$baselink = ( is_front_page() ? '<strong>' . $name . '</strong>' : '<a href="' . $home . '">' . $name . '</a>' );
// If static Page as Front Page, and on Blog Posts Index
if ( is_home() && ( 'page' == get_option( 'show_on_front' ) ) ) {
$hierarchy = $delimiter;
$currentLocation = $blogname;
}
// If static Page as Front Page, and on Blog, output Blog link
if ( ! is_home() && ! is_page() && ! is_front_page() && ( 'page' == get_option( 'show_on_front' ) ) ) {
$hierarchy = $delimiter;
$currentLocation = '<a href="' . get_permalink( get_option( 'page_for_posts' ) ) . '">' . $blogname . '</a>';
}
// Define Category Hierarchy Crumbs for Category Archive
if ( is_category() ) {
global $wp_query;
$cat_obj = $wp_query->get_queried_object();
$thisCat = $cat_obj->term_id;
$thisCat = get_category($thisCat);
$parentCat = get_category($thisCat->parent);
if ($thisCat->parent != 0) {
$hierarchy = ( $delimiter . __( 'Category Archive: ', 'oenology' ) . get_category_parents( $parentCat, TRUE, $delimiter ) );
} else {
$hierarchy = $delimiter . __( 'Category Archive: ', 'oenology' );
}
// Set $currentLocation to the current category
$currentLocation = single_cat_title( '' , FALSE );
}
// Define Crumbs for Day/Year/Month Date-based Archives
elseif ( is_date() ) {
// Define Year/Month Hierarchy Crumbs for Day Archive
if ( is_day() ) {
$date_string = '<a href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a> ' . $delimiter . ' ' . '<a href="' . get_month_link(get_the_time('Y'),get_the_time('m')) . '">' . get_the_time('F') . '</a> ';
$date_string .= $delimiter . ' ';
$currentLocation = get_the_time('d');
}
// Define Year Hierarchy Crumb for Month Archive
elseif ( is_month() ) {
$date_string = '<a href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a> ';
$date_string .= $delimiter . ' ';
$currentLocation = get_the_time('F');
}
// Set CurrentLocation for Year Archive
elseif ( is_year() ) {
$date_string = '';
$currentLocation = get_the_time('Y');
}
$hierarchy = $delimiter . sprintf( __( 'Posts Published in: %s', 'oenology' ), $date_string );
}
// Define Category Hierarchy Crumbs for Single Posts
elseif ( is_singular( 'post' ) ) {
$cat = get_the_category();
$cat = $cat[0];
$hierarchy = $delimiter . get_category_parents( $cat, TRUE, $delimiter );
// Note: get_the_title() is filtered to output a
// default title if none is specified
$currentLocation = get_the_title();
}
// Define Category and Parent Post Crumbs for Post Attachments
elseif ( is_attachment() ) {
$parent = get_post($post->post_parent);
$cat_parents = '';
if ( get_the_category($parent->ID) ) {
$cat = get_the_category($parent->ID);
$cat = $cat[0];
$cat_parents = get_category_parents( $cat, TRUE, $delimiter );
}
$hierarchy = $delimiter . $cat_parents . '<a href="' . get_permalink($parent) . '">' . $parent->post_title . '</a> ' . $delimiter;
// Note: Titles are forced for attachments; the
// filename will be used if none is specified
$currentLocation = get_the_title();
}
// Define Taxonomy Crumbs for Custom Post Types
elseif ( is_singular( get_post_type() ) && ! is_singular( 'post' ) && ! is_page() && ! is_attachment() ) {
global $post;
$post_type_object = get_post_type_object( get_post_type() );
$post_type_name = $post_type_object->labels->name;
$post_type_slug = $post_type_object->name;
$taxonomies = get_object_taxonomies( get_post_type() );
$taxonomy = ( ! empty( $taxonomies ) ? $taxonomies[0] : false );
$terms = ( $taxonomy ? get_the_term_list( $post->ID, $taxonomy ) : false );
$hierarchy = $delimiter . '<a href="' . get_post_type_archive_link( $post_type_slug ) . '">' . $post_type_name . '</a>';
$hierarchy .= ( $terms ? $delimiter . $terms . $delimiter : $delimiter );
$currentLocation = get_the_title();
}
// Define Current Location for Parent Pages
elseif ( ! is_front_page() && is_page() && ! $post->post_parent ) {
$hierarchy = $delimiter;
// Note: get_the_title() is filtered to output a
// default title if none is specified
$currentLocation = get_the_title();
}
// Define Parent Page Hierarchy Crumbs for Child Pages
elseif ( ! is_front_page() && is_page() && $post->post_parent ) {
$parent_id = $post->post_parent;
$breadcrumbs = array();
while ($parent_id) {
$page = get_page($parent_id);
$breadcrumbs[] = '<a href="' . get_permalink($page->ID) . '">' . get_the_title($page->ID) . '</a>';
$parent_id = $page->post_parent;
}
$breadcrumbs = array_reverse($breadcrumbs);
foreach ($breadcrumbs as $crumb) {
$hierarchy = $hierarchy . $delimiter . $crumb;
}
$hierarchy = $hierarchy . $delimiter;