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<?php
/**
* Additional helper functions that the framework or themes may use. The functions in this file are functions
* that don't really have a home within any other parts of the framework.
*
* @package HybridCore
* @subpackage Includes
* @author Justin Tadlock <justin@justintadlock.com>
* @copyright Copyright (c) 2008 - 2015, Justin Tadlock
* @link http://themehybrid.com/hybrid-core
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*/
# Add extra support for post types.
add_action( 'init', 'hybrid_add_post_type_support', 15 );
# Filters the title for untitled posts.
add_filter( 'the_title', 'hybrid_untitled_post' );
# Filters the archive title and description.
add_filter( 'get_the_archive_title', 'hybrid_archive_title_filter', 5 );
add_filter( 'get_the_archive_description', 'hybrid_archive_description_filter', 5 );
/**
* This function is for adding extra support for features not default to the core post types.
* Excerpts are added to the 'page' post type. Comments and trackbacks are added for the
* 'attachment' post type. Technically, these are already used for attachments in core, but
* they're not registered.
*
* @since 0.8.0
* @access public
* @return void
*/
function hybrid_add_post_type_support() {
// Add support for excerpts to the 'page' post type.
add_post_type_support( 'page', array( 'excerpt' ) );
// Add thumbnail support for audio and video attachments.
add_post_type_support( 'attachment:audio', 'thumbnail' );
add_post_type_support( 'attachment:video', 'thumbnail' );
// Add theme layouts support to core and custom post types.
add_post_type_support( 'post', 'theme-layouts' );
add_post_type_support( 'page', 'theme-layouts' );
add_post_type_support( 'attachment', 'theme-layouts' );
add_post_type_support( 'forum', 'theme-layouts' );
add_post_type_support( 'literature', 'theme-layouts' );
add_post_type_support( 'portfolio_item', 'theme-layouts' );
add_post_type_support( 'portfolio_project', 'theme-layouts' );
add_post_type_support( 'product', 'theme-layouts' );
add_post_type_support( 'restaurant_item', 'theme-layouts' );
}
/**
* Function for setting the content width of a theme. This does not check if a content width has been set; it
* simply overwrites whatever the content width is.
*
* @since 1.2.0
* @access public
* @param int $width
* @return void
*/
function hybrid_set_content_width( $width = '' ) {
$GLOBALS['content_width'] = absint( $width );
}
/**
* Function for getting the theme's content width.
*
* @since 1.2.0
* @access public
* @return int
*/
function hybrid_get_content_width() {
return absint( $GLOBALS['content_width'] );
}
/**
* The WordPress.org theme review requires that a link be provided to the single post page for untitled
* posts. This is a filter on 'the_title' so that an '(Untitled)' title appears in that scenario, allowing
* for the normal method to work.
*
* @since 1.6.0
* @access public
* @param string $title
* @return string
*/
function hybrid_untitled_post( $title ) {
// Translators: Used as a placeholder for untitled posts on non-singular views.
if ( ! $title && ! is_singular() && in_the_loop() && ! is_admin() )
$title = esc_html__( '(Untitled)', 'hybrid-core' );
return $title;
}
/**
* Retrieves the file with the highest priority that exists. The function searches both the stylesheet
* and template directories. This function is similar to the locate_template() function in WordPress
* but returns the file name with the URI path instead of the directory path.
*
* @since 1.5.0
* @access public
* @link http://core.trac.wordpress.org/ticket/18302
* @param array $file_names The files to search for.
* @return string
*/
function hybrid_locate_theme_file( $file_names ) {
$located = '';
// Loops through each of the given file names.
foreach ( (array) $file_names as $file ) {
// If the file exists in the stylesheet (child theme) directory.
if ( is_child_theme() && file_exists( HYBRID_CHILD . $file ) ) {
$located = HYBRID_CHILD_URI . $file;
break;
}
// If the file exists in the template (parent theme) directory.
elseif ( file_exists( HYBRID_PARENT . $file ) ) {
$located = HYBRID_PARENT_URI . $file;
break;
}
}
return $located;
}
/**
* Converts a hex color to RGB. Returns the RGB values as an array.
*
* @since 2.0.0
* @access public
* @param string $hex
* @return array
*/
function hybrid_hex_to_rgb( $hex ) {
// Remove "#" if it was added.
$color = trim( $hex, '#' );
// If the color is three characters, convert it to six.
if ( 3 === strlen( $color ) )
$color = $color[0] . $color[0] . $color[1] . $color[1] . $color[2] . $color[2];
// Get the red, green, and blue values.
$red = hexdec( $color[0] . $color[1] );
$green = hexdec( $color[2] . $color[3] );
$blue = hexdec( $color[4] . $color[5] );
// Return the RGB colors as an array.
return array( 'r' => $red, 'g' => $green, 'b' => $blue );
}
/**
* Function for grabbing a WP nav menu theme location name.
*
* @since 2.0.0
* @access public
* @param string $location
* @return string
*/
function hybrid_get_menu_location_name( $location ) {
$locations = get_registered_nav_menus();
return isset( $locations[ $location ] ) ? $locations[ $location ] : '';
}
/**
* Function for grabbing a WP nav menu name based on theme location.
*
* @since 3.0.0
* @access public
* @param string $location
* @return string
*/
function hybrid_get_menu_name( $location ) {
$locations = get_nav_menu_locations();
return isset( $locations[ $location ] ) ? wp_get_nav_menu_object( $locations[ $location ] )->name : '';
}
/**
* Helper function for getting the script/style `.min` suffix for minified files.
*
* @since 2.0.0
* @access public
* @return string
*/
function hybrid_get_min_suffix() {
return defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
}
/**
* Utility function for including a file if a theme feature is supported and the file exists. Note
* that this should not be used in place of the core `require_if_theme_supports()` function. We need
* this particular function for checking if the file exists first, which the core function does not
* handle at the moment.
*
* @since 3.0.0
* @access public
* @param string $feature
* @param string $file
* @return void
*/
function hybrid_require_if_theme_supports( $feature, $file ) {
if ( current_theme_supports( $feature ) && file_exists( $file ) )
require_once( $file );
}
/**
* Filters `get_the_archve_title` to add better archive titles than core.
*
* @since 3.0.0
* @access public
* @param string $title
* @return string
*/
function hybrid_archive_title_filter( $title ) {
if ( is_home() && ! is_front_page() )
$title = get_post_field( 'post_title', get_queried_object_id() );
elseif ( is_category() )
$title = single_cat_title( '', false );
elseif ( is_tag() )
$title = single_tag_title( '', false );
elseif ( is_tax() )
$title = single_term_title( '', false );
elseif ( is_author() )
$title = hybrid_get_single_author_title();
elseif ( is_search() )
$title = hybrid_get_search_title();
elseif ( is_post_type_archive() )
$title = post_type_archive_title( '', false );
elseif ( get_query_var( 'minute' ) && get_query_var( 'hour' ) )
$title = hybrid_get_single_minute_hour_title();
elseif ( get_query_var( 'minute' ) )
$title = hybrid_get_single_minute_title();
elseif ( get_query_var( 'hour' ) )
$title = hybrid_get_single_hour_title();
elseif ( is_day() )
$title = hybrid_get_single_day_title();
elseif ( get_query_var( 'w' ) )
$title = hybrid_get_single_week_title();
elseif ( is_month() )
$title = single_month_title( ' ', false );
elseif ( is_year() )
$title = hybrid_get_single_year_title();
elseif ( is_archive() )
$title = hybrid_get_single_archive_title();
return apply_filters( 'hybrid_archive_title', $title );
}
/**
* Filters `get_the_archve_description` to add better archive descriptions than core.
*
* @since 3.0.0
* @access public
* @param string $desc
* @return string
*/
function hybrid_archive_description_filter( $desc ) {
if ( is_home() && ! is_front_page() )
$desc = get_post_field( 'post_content', get_queried_object_id(), 'raw' );
elseif ( is_category() )
$desc = get_term_field( 'description', get_queried_object_id(), 'category', 'raw' );
elseif ( is_tag() )
$desc = get_term_field( 'description', get_queried_object_id(), 'post_tag', 'raw' );
elseif ( is_tax() )
$desc = get_term_field( 'description', get_queried_object_id(), get_query_var( 'taxonomy' ), 'raw' );
elseif ( is_author() )
$desc = get_the_author_meta( 'description', get_query_var( 'author' ) );
elseif ( is_post_type_archive() )
$desc = get_post_type_object( get_query_var( 'post_type' ) )->description;
return apply_filters( 'hybrid_archive_description', $desc );
}