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Zenger/WP Utils.php

Last active May 10, 2022 07:43
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A small class with usefull functions in it.
Raw
WP Utils.php
<?php
class Utils
{
public static function init()
{
self::header_cleanup();
}
public static function header_cleanup()
{
remove_action( 'wp_head', 'rsd_link' ); // EditURI link
remove_action( 'wp_head', 'wlwmanifest_link' ); // Windows Live Writer
remove_action( 'wp_head', 'index_rel_link' ); // index link
remove_action( 'wp_head', 'parent_post_rel_link', 10, 0 ); // previous link
remove_action( 'wp_head', 'start_post_rel_link', 10, 0 ); // start link
remove_action( 'wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0 ); // Links for Adjacent Posts
remove_action( 'wp_head', 'wp_generator' ); // WP version
}
public static function thumb( $post_id , $w, $h , $resize = true , $c = true)
{
if (!$post_id) return;
list($r) = wp_get_attachment_image_src(get_post_thumbnail_id( $post_id ) , "original" );
if (!$resize)
{
return $r;
}
return self::resized($r , $w , $h, $c );
}
public static function resized( $src, $w, $h, $c = true )
{
$file = pathinfo($src);
if(!is_array($file)) return false;
$saveTo = get_template_directory() . "/cache/";
$saveToURI = get_template_directory_uri() . "/cache/";
if (!isset( $file['filename'] ) || !isset($file['extension'])) return;
$fileName = md5($src) . "-" . $w . "x" . $h . "." . $file['extension'] ;
if ( !in_array( $file['extension'],array('jpg', 'jpeg', 'gif', 'png') ) ) return $src; // bail early
if ( ! file_exists( $saveTo . $fileName ) )
{
$image = wp_get_image_editor($src);
if (!is_wp_error( $image ))
{
$image->resize($w, $h, $c);
$saved = $image->save( $saveTo . $fileName );
}
}
return $saveToURI . $fileName;
}
function getThumb( $src, $width = NULL, $height = NULL )
{
// retrieve image info
$info = pathinfo($src);
$name = $info['filename'] . "-" . $width . "x" . $height . "." . $info['extension']; // new image name
$path = get_template_directory() . "/thumbs/"; // image path where to save
// check if file exists return it (thumb)
if(file_exists( $path . $name ))
{
return get_template_directory_uri() . "/thumbs/" . $name;
}
else // if no thumb available generate one and return the file
{
$image = wp_get_image_editor( $src );
if( !is_wp_error( $image ) )
{
$image->resize($width, $height, true);
$newImage = $image->save( $path . $name );
return get_template_directory_uri() . "/thumbs/" . $newImage['file'];
}
}
return false;
}
public static function pagination( $wp_query )
{
global $wp_rewrite;
$pages = '';
$max = $wp_query->max_num_pages;
if (!$current = get_query_var('paged')) $current = 1;
$args['base'] = str_replace(999999999, '%#%', get_pagenum_link(999999999));
$args['total'] = $max;
$args['current'] = $current;
$total = 1;
$args['mid_size'] = 3;
$args['end_size'] = 1;
$args['prev_text'] = 'Previous'; // &laquo;
$args['next_text'] = 'Next'; // &raquo;
$args['type'] = 'list';
$pagination = paginate_links($args);
// fix style to match bootstrap
$pagination = str_replace("page-numbers", "pagination", $pagination);
return "<div class='pagination center'>" . $pagination . "</div>";
}
public static function getCommentForm()
{
if(is_user_logged_in())
{
$fields = array(
'author' => '<p><input required="required" name="author" type="text" id="for_name" placeholder="Name *" /></p>',
'email' => '<p><input required="required" name="email" type="email" id="for_email" placeholder="Email *" /></p>',
'url' => '<p><input type="text" name="url" id="for_website" placeholder="Website" /></p>'
);
$args = array(
'comment_notes_after' => false,
'fields' => $fields,
'title_reply' => 'Post Comment',
'comment_field' => '<p><textarea name="comment" required="required" id="for_message" placeholder="Message"></textarea></p>'
);
}
else
{
$fields = array(
'author' => '<div class="row"><div class="col-sm-6"><p><input required="required" name="author" type="text" id="for_name" placeholder="Name *" /></p>',
'email' => '<p><input required="required" name="email" type="email" id="for_email" placeholder="Email *" /></p>',
'url' => '<p><input type="text" name="url" id="for_website" placeholder="Website" /></p></div>'
);
$args = array(
'comment_notes_after' => false,
'fields' => $fields,
'title_reply' => 'Post Comment',
'comment_field' => '<div class="col-sm-6"><p><textarea name="comment" required="required" id="for_message" placeholder="Message"></textarea></p></div></div>'
);
}
?>
<div class="space30">&nbsp;</div>
<div class="comments-form">
<?php comment_form( $args ); ?>
</div>
<?php
}
public static function listComments($comment, $args , $depth)
{
$GLOBALS['comment'] = $comment;
switch ( $comment->comment_type ) :
case 'pingback' :
case 'trackback' :
// Display trackbacks differently than normal comments.
?>
<div <?php comment_class(); ?> id="comment-<?php comment_ID(); ?>">
<p>
<?php _e( 'Pingback:', 'twentytwelve' ); ?>
<?php comment_author_link(); ?>
<?php edit_comment_link( __( '(Edit)', 'UtilsClass' ), '<span class="edit-link">', '</span>' ); ?>
</p>
</div>
<?php
break;
default :
// Proceed with normal comments.
global $post;
?>
<div <?php comment_class("comments-post-user media"); ?> id="comment-<?php comment_ID(); ?>">
<div class="comments-gravatar pull-left">
<?php echo get_avatar($comment, 48); ?>
</div>
<div class="comments-content media-body">
<div class="comment-content-reply"><?php comment_reply_link( array_merge( $args, array( 'reply_text' => __( 'Reply', 'UtilsClass' ), 'before' => ' <span>&rarr;</span> ', 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?></div>
<h4 class="comments-content-author theme-color-text"><?php echo get_comment_author_link() ?> <small class="comments-content-date"><?php echo human_time_diff( get_comment_time('U'), current_time('timestamp') ) . ' ago'; ?></small></h4>
<div class="comments-content-text mb5">
<?php comment_text(); ?>
</div>
</div>
</div>
<?php
break;
endswitch; // end comment_type check
}
public static function getAttachedImages ( $post_id )
{
$images = get_posts('post_type=attachment&order=ASC&orderby=menu_order&posts_per_page=-1&post_parent='.$post_id);
$return = array();
if (!empty($images)) {
foreach($images as $image)
{
if ( stristr($image->post_mime_type, "image/") === false) continue;
$return[] = array( 'title' => $image->post_title, 'src' => $image->guid , 'id' => $image->ID );
}
}
return $return;
}
function getAttachmentMeta( $attachment_id ) {
$attachment = get_post( $attachment_id );
return array(
'alt' => get_post_meta( $attachment->ID, '_wp_attachment_image_alt', true ),
'caption' => $attachment->post_excerpt,
'description' => $attachment->post_content,
'href' => get_permalink( $attachment->ID ),
'src' => $attachment->guid,
'title' => $attachment->post_title
);
}
/* If WPML exists and activated or qTranslate exists or activated will show the flags */
public static function getLanguageSelector()
{
if (function_exists('qtrans_generateLanguageSelectCode'))
{
return qtrans_generateLanguageSelectCode('image', 'ff-languages');
}
if (function_exists('icl_get_languages'))
{
$langs = icl_get_languages('skip_missing=0');
$return = "<ul id='ff-languages-chooser'>";
if (!empty($langs) && is_array($langs))
{
foreach ($langs as $lang)
{
$return .= "<li><a title='".$lang['native_name']."' href='".$lang['url']."'><img src='".$lang['country_flag_url']."' /></a></li>";
}
}
$return .= "<div>&nbsp;</div></ul>";
return $return;
}
return false;
}
public static function parseYoutubeUrl( $url )
{
if (strpos( $url,"v=") !== false)
{
return substr($url, strpos($url, "v=") + 2, 11);
}
elseif(strpos( $url,"embed/") !== false)
{
return substr($url, strpos($url, "embed/") + 6, 11);
}
return false;
}
public static function parseVimeoUrl( $url )
{
return (int)substr(parse_url($url, PHP_URL_PATH), 1);
}
public static function getBreadcrumbs( $del = " &raquo; " )
{
/* === OPTIONS === */
$text['home'] = __('Home', 'UtilsClass'); // text for the 'Home' link
$text['category'] = __('Archive by Category "%s"', 'UtilsClass'); // text for a category page
$text['search'] = __('Search Results for "%s" Query', 'UtilsClass'); // text for a search results page
$text['tag'] = __('Posts Tagged "%s"', 'UtilsClass'); // text for a tag page
$text['author'] = __('Articles Posted by %s', 'UtilsClass'); // text for an author page
$text['404'] = __('Error 404', 'UtilsClass'); // text for the 404 page
$showCurrent = 1; // 1 - show current post/page title in breadcrumbs, 0 - don't show
$showOnHome = 0; // 1 - show breadcrumbs on the homepage, 0 - don't show
$delimiter = $del; // delimiter between crumbs
$before = '<span class="current">'; // tag before the current crumb
$after = '</span>'; // tag after the current crumb
/* === END OF OPTIONS === */
global $post;
$homeLink = home_url() . '/';
$linkBefore = '<span>';
$linkAfter = '</span>';
$linkAttr = ' ';
$link = $linkBefore . '<a' . $linkAttr . ' href="%1$s">%2$s</a>' . $linkAfter;
if (is_home() || is_front_page()) {
if ($showOnHome == 1) echo '<div id="breadcrumbs"><a href="' . $homeLink . '">' . $text['home'] . '</a></div>';
} else {
echo '<div id="breadcrumbs">' . sprintf($link, $homeLink, $text['home']) . $delimiter;
if ( is_category() ) {
$thisCat = get_category(get_query_var('cat'), false);
if ($thisCat->parent != 0) {
$cats = get_category_parents($thisCat->parent, TRUE, $delimiter);
$cats = str_replace('<a', $linkBefore . '<a' . $linkAttr, $cats);
$cats = str_replace('</a>', '</a>' . $linkAfter, $cats);
echo $cats;
}
echo $before . sprintf($text['category'], single_cat_title('', false)) . $after;
} elseif ( is_search() ) {
echo $before . sprintf($text['search'], get_search_query()) . $after;
} elseif ( is_day() ) {
echo sprintf($link, get_year_link(get_the_time('Y')), get_the_time('Y')) . $delimiter;
echo sprintf($link, get_month_link(get_the_time('Y'),get_the_time('m')), get_the_time('F')) . $delimiter;
echo $before . get_the_time('d') . $after;
} elseif ( is_month() ) {
echo sprintf($link, get_year_link(get_the_time('Y')), get_the_time('Y')) . $delimiter;
echo $before . get_the_time('F') . $after;
} elseif ( is_year() ) {
echo $before . get_the_time('Y') . $after;
} elseif ( is_single() && !is_attachment() ) {
if ( get_post_type() != 'post' ) {
$post_type = get_post_type_object(get_post_type());
$slug = $post_type->rewrite;
printf($link, $homeLink . '/' . $slug['slug'] . '/', $post_type->labels->singular_name);
if ($showCurrent == 1) echo $delimiter . $before . get_the_title() . $after;
} else {
$cat = get_the_category(); $cat = $cat[0];
$cats = get_category_parents($cat, TRUE, $delimiter);
if ($showCurrent == 0) $cats = preg_replace("#^(.+)$delimiter$#", "$1", $cats);
$cats = str_replace('<a', $linkBefore . '<a' . $linkAttr, $cats);
$cats = str_replace('</a>', '</a>' . $linkAfter, $cats);
echo $cats;
if ($showCurrent == 1) echo $before . get_the_title() . $after;
}
} elseif ( !is_single() && !is_page() && get_post_type() != 'post' && !is_404() ) {
$post_type = get_post_type_object(get_post_type());
echo $before . $post_type->labels->singular_name . $after;
} elseif ( is_attachment() ) {
$parent = get_post($post->post_parent);
$cat = get_the_category($parent->ID); $cat = $cat[0];
$cats = get_category_parents($cat, TRUE, $delimiter);
$cats = str_replace('<a', $linkBefore . '<a' . $linkAttr, $cats);
$cats = str_replace('</a>', '</a>' . $linkAfter, $cats);
echo $cats;
printf($link, get_permalink($parent), $parent->post_title);
if ($showCurrent == 1) echo $delimiter . $before . get_the_title() . $after;
} elseif ( is_page() && !$post->post_parent ) {
if ($showCurrent == 1) echo $before . get_the_title() . $after;
} elseif ( is_page() && $post->post_parent ) {
$parent_id = $post->post_parent;
$breadcrumbs = array();
while ($parent_id) {
$page = get_page($parent_id);
$breadcrumbs[] = sprintf($link, get_permalink($page->ID), get_the_title($page->ID));
$parent_id = $page->post_parent;
}
$breadcrumbs = array_reverse($breadcrumbs);
for ($i = 0; $i < count($breadcrumbs); $i++) {
echo $breadcrumbs[$i];
if ($i != count($breadcrumbs)-1) echo $delimiter;
}
if ($showCurrent == 1) echo $delimiter . $before . get_the_title() . $after;
} elseif ( is_tag() ) {
echo $before . sprintf($text['tag'], single_tag_title('', false)) . $after;
} elseif ( is_author() ) {
global $author;
$userdata = get_userdata($author);
echo $before . sprintf($text['author'], $userdata->display_name) . $after;
} elseif ( is_404() ) {
echo $before . $text['404'] . $after;
}
if ( get_query_var('paged') ) {
if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ' (';
echo __('Page', 'UtilsClass') . ' ' . get_query_var('paged');
if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ')';
}
echo '</div>';
}
}
}
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