Oterox
2/25/2013 - 12:44 PM
Worpdress extra functions
Worpdress extra functions
<?php
/**
* PXHelper by Javier Otero
*
* GNU General Public License, version 2
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
*/
// ---------------------------------------------------
// Get post by title
// ---------------------------------------------------
function px_get_post_by_title($page_title, $output = OBJECT) {
global $wpdb;
$post = $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_title = %s AND post_type='post'", $page_title ));
if ( $post )
return get_post($post, $output);
return null;
}
// ---------------------------------------------------
// Get page ID by Slug
// ---------------------------------------------------
function px_get_pageID_by_slug($page_slug) {
$page = get_page_by_path($page_slug);
if ($page) {
return $page->ID;
} else {
return null;
}
}
// ---------------------------------------------------
// Get permalink by Slug
// ---------------------------------------------------
function px_get_page_permalink_by_slug($page_slug) {
$page = get_page_by_path($page_slug);
if ($page) {
return get_permalink($page->ID);
} else {
return null;
}
}
// ---------------------------------------------------
// Limit string words
// ---------------------------------------------------
function px_limit_words($string, $word_limit)
{
$words = explode(' ', $string, ($word_limit + 1));
if(count($words) > $word_limit)
array_pop($words);
return implode(' ', $words);
}
// ---------------------------------------------------
// Get ID for page using a specific template
// ---------------------------------------------------
function px_get_page_id_by_template( $template_file ){
$pages = get_pages(array(
'meta_key' => '_wp_page_template',
'meta_value' => $template_file,
'hierarchical' => 0
));
return $pages[0]->ID ;
}
// ---------------------------------------------------
// Get link for page using a specific template
// ---------------------------------------------------
function px_get_page_by_template( $template_file ){
$pages = get_pages(array(
'meta_key' => '_wp_page_template',
'meta_value' => $template_file,
'hierarchical' => 0
));
return get_permalink($pages[0]->ID) ;
}
// ---------------------------------------------------
// Check for subpages
// ---------------------------------------------------
function px_is_subpage( $template_file ) {
global $post;
$pages = get_pages(array(
'meta_key' => '_wp_page_template',
'meta_value' => $template_file
));
if ( is_page() && $post->post_parent == $pages[0]->ID ) { // test to see if the page has a parent
return true; // return the ID of the parent post
} else { // there is no parent so ...
return false; // ... the answer to the question is false
}
}
// ---------------------------------------------------
// Get Gravatar url
// ---------------------------------------------------
function px_get_gravatar_url( $email, $size ) {
$hash = md5( strtolower( trim ( $email ) ) );
return 'http://gravatar.com/avatar/' . $hash . '?s=' . $size . '&d=404';
}
// ---------------------------------------------------
// Get first image from post
// ---------------------------------------------------
function px_get_first_image() {
global $post, $posts;
$first_img = '';
ob_start();
ob_end_clean();
$output = preg_match_all('/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $post->post_content, $matches);
$first_img = $matches[1][0];
if(empty($first_img)) {
$first_img = "/path/to/default.png";
}
return $first_img;
}
// ---------------------------------------------------
// Generates the breadcrumb
// ---------------------------------------------------
function px_get_breadcrumb() {
global $post;
$trail = ' » ';
$page_title = get_the_title($post->ID);
if($post->post_parent) {
$parent_id = $post->post_parent;
while ($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) $trail .= $crumb;
}
$trail .= '<span>'. $page_title . '</span>';
$trail .= ' ';
return $trail;
}
// ---------------------------------------------------
// Returns the english ordinal for a number
// ---------------------------------------------------
function px_ordinal( $number ) {
$ends = array('th','st','nd','rd','th','th','th','th','th','th');
if (($number %100) >= 11 && ($number%100) <= 13)
$abbreviation = $number. 'th';
else
$abbreviation = $number. $ends[$number % 10];
return $abbreviation;
}
// ---------------------------------------------------
// twitter feeds
// ---------------------------------------------------
function px_twitter_feed( $twitter_user, $limit){
$tweet = json_decode(file_get_contents("http://api.twitter.com/1/statuses/user_timeline/" . $twitter_user . ".json?count=".$limit));
echo '<ul class="tweet">';
for ($i=1; $i <= $limit; $i++){
echo '<li><p>'.$tweet[($i-1)]->text.'</p>';
echo '<a href="http://www.twitter.com/' . $twitter_user . '" target="_parent">';
echo '<span class="time">Posted by ' . $twitter_user. ', '. date("M d",strtotime($tweet[($i-1)]->created_at)).'</span>';
echo '</a>';
echo '</li>';
}
echo '<ul>';
echo '<a href="http://www.twitter.com/' . $twitter_user . '" class="sprites-blue small-arrow-box linkbutton" target="_blank"><span>@'.$twitter_user.'</span></a>';
}
// ---------------------------------------------------
// flickr feeds
// ---------------------------------------------------
function px_flickr_feed( $flickr_id, $limit){
if( '' != $flickr_id ){
$flickr_json = file_get_contents("http://api.flickr.com/services/feeds/photos_public.gne?id=". $flickr_id ."&format=json&nojsoncallback=1");
} else {
$flickr_json = file_get_contents("http://api.flickr.com/services/feeds/photos_public.gne?id=38386919@N07&format=json&nojsoncallback=1");
}
if ($flickr_json === false) {
echo '<p>Flickr API error.Try later.</p>';
} else {
$flickr = json_decode($flickr_json);
$flickr_url = $flickr->link;
echo '<ul>';
for ($i=1; $i <= $limit; $i++){
$img = $flickr->items[($i-1)]->media->m;
$img_s = str_replace('_m.jpg','_s.jpg',$img);
$img_b = str_replace('_m.jpg','_b.jpg',$img);
$img_title = $flickr->items[($i-1)]->title;
echo '<li><a class="fancybox" href="' . $img_b . '" title="'.$img_title.'"><img src="' . $img_s . '" alt="'.$img_title.'" width="37" height="37" /></a></li>';
}
echo '</ul>';
}
echo '<a href="'.$flickr_url.'" class="sprites-blue small-arrow-box linkbutton"><span>our photo stream</span></a>';
}
?>