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functions.php
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functions.php
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<?php
/**
* Independent Publisher functions and definitions
*
* @package Independent Publisher
* @since Independent Publisher 1.0
*/
/**
* Set the content width based on the theme's design and stylesheet.
*
* @since Independent Publisher 1.0
*/
if ( ! isset( $content_width ) ) {
$content_width = 700;
} /* pixels */
if ( ! function_exists( 'independent_publisher_setup' ) ) :
/**
* Sets up theme defaults and registers support for various WordPress features.
*
* Note that this function is hooked into the after_setup_theme hook, which runs
* before the init hook. The init hook is too late for some features, such as indicating
* support post thumbnails.
*
* @since Independent Publisher 1.0
*/
function independent_publisher_setup() {
/**
* Custom template tags for this theme.
*/
require( get_template_directory() . '/inc/template-tags.php' );
/**
* Customizer additions.
*/
require( get_template_directory() . '/inc/customizer.php' );
/**
* Load support for Microformats 2
*
* @since 1.7.5
*/
require( get_template_directory() . '/inc/mf2.php' );
/**
* Make theme available for translation
* Translations can be filed in the /languages/ directory
*/
load_theme_textdomain( 'independent-publisher', get_template_directory() . '/languages' );
/**
* Add default posts and comments RSS feed links to head
*/
add_theme_support( 'automatic-feed-links' );
/**
* Enable Custom Backgrounds
*/
add_theme_support(
'custom-background', apply_filters(
'independent_publisher_custom_background_args', array(
'default-color' => 'ffffff',
'default-image' => '',
)
)
);
// Enable support for HTML5 markup.
add_theme_support(
'html5', array(
'comment-list',
'search-form',
'comment-form',
'gallery',
)
);
/**
* Enable Post Thumbnails
*/
add_theme_support( 'post-thumbnails' );
/*
* Add custom thumbnail size for use with featured images
*/
add_image_size( 'independent_publisher_post_thumbnail', 700, 700 );
/**
* Enable editor style
*/
add_editor_style();
/**
* Set max width of full screen visual editor to match content width
*/
set_user_setting( 'dfw_width', 700 );
/**
* Set default value for Show Post Word Count theme option
*/
add_option( 'independent_publisher_general_options', array( 'show_post_word_count' => true ) );
/**
* Set default value for Show Author Card theme option
*/
add_option( 'independent_publisher_general_options', array( 'show_author_card' => true ) );
/**
* Set default value for Show Post Thumbnails theme option
*/
add_option( 'independent_publisher_excerpt_options', array( 'show_post_thumbnails' => false ) );
/**
* This theme uses wp_nav_menu() in two locations.
*/
register_nav_menus(
array(
'primary' => __( 'Primary Menu', 'independent-publisher' ),
'single' => __( 'Single Posts Menu', 'independent-publisher' ),
'social' => __( 'Social', 'independent-publisher' )
)
);
/**
* Add support for the Aside Post Formats
*/
add_theme_support(
'post-formats', array(
'aside',
'link',
'gallery',
'status',
'quote',
'chat',
'image',
'video',
'audio'
)
);
}
endif; // independent_publisher_setup
add_action( 'after_setup_theme', 'independent_publisher_setup' );
/*
* Add WP 4.1+ support for Title Tags.
* See https://make.wordpress.org/core/2014/10/29/title-tags-in-4-1/
*/
function independent_publisher_theme_slug_setup() {
add_theme_support( 'title-tag' );
}
add_action( 'after_setup_theme', 'independent_publisher_theme_slug_setup' );
/**
* Include additional plugin support routines
*/
require( get_template_directory() . '/inc/plugin-support.php' );
/**
* Load Jetpack compatibility file.
*/
require( get_template_directory() . '/inc/jetpack.php' );
/**
* Register widgetized areas and update sidebar with default widgets
*
* @since Independent Publisher 1.0
*/
function independent_publisher_widgets_init() {
register_sidebar(
array(
'name' => __( 'Sidebar', 'independent-publisher' ),
'id' => 'sidebar-1',
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => '</aside>',
'before_title' => '<h1 class="widget-title">',
'after_title' => '</h1>',
)
);
register_sidebar(
array(
'name' => __( 'Archive Page', 'independent-publisher' ),
'id' => 'archive-page',
'before_widget' => '<div class="widget">',
'after_widget' => '</div>',
'before_title' => '<h2 class="widget-title">',
'after_title' => '</h2>',
)
);
}
add_action( 'widgets_init', 'independent_publisher_widgets_init' );
/**
* Enqueue scripts and styles
*/
function independent_publisher_scripts() {
global $post;
wp_enqueue_style( 'genericons', get_template_directory_uri() . '/fonts/genericons/genericons.css', array(), '3.1' );
wp_enqueue_script( 'independent-publisher-skip-link-focus-fix', get_template_directory_uri() . '/js/skip-link-focus-fix.js', array(), '20130115', true );
if ( independent_publisher_page_load_progress_bar_enabled() ) {
wp_enqueue_style( 'nprogress', get_template_directory_uri() . '/css/nprogress.css', array(), '0.1.3' );
wp_enqueue_script( 'nprogress', get_template_directory_uri() . '/js/nprogress.js', array(), '0.1.3' );
}
if ( is_singular() && comments_open() && get_option( 'thread_comments' ) && !independent_publisher_hide_comments() ) {
wp_enqueue_script( 'comment-reply' );
}
if ( is_singular() && wp_attachment_is_image( $post->ID ) ) {
wp_enqueue_script( 'keyboard-image-navigation', get_template_directory_uri() . '/js/keyboard-image-navigation.js', array( 'jquery' ), '20120202' );
}
if ( is_singular() ) {
wp_enqueue_script( 'fade-post-title', get_template_directory_uri() . '/js/fade-post-title.js', array( 'jquery' ) );
}
/**
* Load Jetpack Infinite Scroll Dark Overlay Bug Fix
*/
independent_publisher_jetpack_dark_overlay_fix_css();
/*
* Load WP-PageNavi CSS enhancements, if applicable.
*/
independent_publisher_wp_pagenavi_css();
}
add_action( 'wp_enqueue_scripts', 'independent_publisher_scripts' );
if ( ! function_exists( 'independent_publisher_progress_bar_markup' ) ) :
/**
* Insert Page Load Progress Bar markup
*/
function independent_publisher_progress_bar_markup() {
if ( independent_publisher_page_load_progress_bar_enabled() ) {
independent_publisher_show_page_load_progress_bar();
}
}
endif;
add_action( 'wp_footer', 'independent_publisher_progress_bar_markup' );
if ( ! function_exists( 'independent_publisher_remove_locale_stylesheet' ) ) :
/**
* Remove locale_stylesheet() hook to prevent WordPress from
* automatically loading rtl.css. We need to load this manually
* so that we can load it before loading CSS from Customizer.
*
* @see https://github.com/raamdev/independent-publisher/issues/230
*/
function independent_publisher_remove_locale_stylesheet() {
remove_action( 'wp_head', 'locale_stylesheet' );
}
endif;
if ( ! function_exists( 'independent_publisher_stylesheet_rtl' ) ) :
/**
* Enqueue RTL stylesheet
*/
function independent_publisher_stylesheet_rtl() {
wp_enqueue_style( 'independent-publisher-style', get_template_directory() . '/css/rtl-style.css' );
}
endif;
if ( ! function_exists( 'independent_publisher_stylesheet' ) ) :
/**
* Enqueue main stylesheet
*/
function independent_publisher_stylesheet() {
wp_enqueue_style( 'independent-publisher-style', get_stylesheet_uri() );
}
endif;
/*
* Loads the PHP file that generates the Customizer CSS for the front-end
*/
function independent_publisher_customizer_css() {
require( get_template_directory() . '/css/customizer.css.php' );
wp_die();
}
/*
* Enqueue the AJAX call to the dynamic Customizer CSS
* See http://codex.wordpress.org/AJAX_in_Plugins
*/
function independent_publisher_customizer_stylesheet() {
wp_enqueue_style( 'customizer', admin_url( 'admin-ajax.php' ) . '?action=independent_publisher_customizer_css', array(), '1.7' );
}
add_action( 'wp_ajax_independent_publisher_customizer_css', 'independent_publisher_customizer_css' );
add_action( 'wp_ajax_nopriv_independent_publisher_customizer_css', 'independent_publisher_customizer_css' );
/*
* IMPORTANT: Customizer CSS *must* be called _after_ the main stylesheet,
* to ensure that customizer-modified styles override the defaults.
*/
if( is_rtl() ) {
add_action( 'init', 'independent_publisher_remove_locale_stylesheet' );
add_action( 'wp_enqueue_scripts', 'independent_publisher_stylesheet_rtl' );
} else {
add_action( 'wp_enqueue_scripts', 'independent_publisher_stylesheet' );
}
add_action( 'wp_enqueue_scripts', 'independent_publisher_customizer_stylesheet' );
if ( ! function_exists( 'independent_publisher_wp_fullscreen_title_editor_style' ) ) :
/**
* Enqueue the stylesheet for styling the full-screen visual editor post title
* so that it closely matches the front-end theme design. Hat tip to Helen:
* https://core.trac.wordpress.org/ticket/25783#comment:3
*/
function independent_publisher_wp_fullscreen_title_editor_style() {
if ( 'post' === get_current_screen()->base ) {
wp_enqueue_style( 'independent-publisher-wp-fullscreen-title', get_template_directory_uri() . '/css/wp-fullscreen-title.css', array(), '1.0' );
}
}
endif;
add_action( 'admin_enqueue_scripts', 'independent_publisher_wp_fullscreen_title_editor_style' );
if ( ! function_exists( 'independent_publisher_get_footer_credits' ) ) :
/**
* Returns the theme's footer credits
*
* @return string
*
* @since Independent Publisher 1.0
*/
function independent_publisher_get_footer_credits() {
return sprintf(
'%1$s',
sprintf( __( '%1$s empowered by %2$s', 'independent-publisher' ), '<a href="' . esc_url( 'http://independentpublisher.me' ) . '" rel="designer" title="Independent Publisher: A beautiful reader-focused WordPress theme, for you.">Independent Publisher</a>', '<a href="http://wordpress.org/" rel="generator" title="WordPress: A free open-source publishing platform">WordPress</a>' )
);
}
endif;
/**
* Implement the Custom Header feature
*/
require( get_template_directory() . '/inc/custom-header.php' );
/**
* Fix comment count so that it doesn't include pings/trackbacks
*/
add_filter( 'get_comments_number', 'independent_publisher_comment_count', 0 );
function independent_publisher_comment_count( $count ) {
if ( ! is_admin() ) {
global $id;
$comments = get_comments( 'status=approve&post_id=' . $id );
$comments_by_type = separate_comments( $comments );
return count( $comments_by_type['comment'] );
} else {
return $count;
}
}
if ( ! function_exists( 'independent_publisher_show_full_name_comment_reply_to' ) ):
function independent_publisher_show_full_name_comment_reply_to() {
$independent_publisher_general_options = get_option( 'independent_publisher_general_options' );
if ( isset( $independent_publisher_general_options['show_full_name_comment_reply_to'] ) && $independent_publisher_general_options['show_full_name_comment_reply_to'] ) {
return true;
} else {
return false;
}
}
endif;
if ( ! function_exists( 'independent_publisher_author_comment_reply_link' ) ) :
/*
* Change the comment reply link to use 'Reply to [Author Name]'
*/
function independent_publisher_author_comment_reply_link( $args, $comment, $post ) {
// If no comment author is blank, use 'Anonymous'
if ( empty( $comment->comment_author ) ) {
if ( !empty( $comment->user_id ) ) {
$user = get_userdata( $comment->user_id );
$author = $user->user_login;
} else {
$author = __( 'Anonymous', 'independent-publisher' );
}
} else {
$author = $comment->comment_author;
}
// If the user provided more than a first name, use only first name if the theme is configured to do so
if ( strpos( $author, ' ' ) && !independent_publisher_show_full_name_comment_reply_to() ) {
$author = substr( $author, 0, strpos( $author, ' ' ) );
}
// Replace Reply Text with "Reply to <Author Name>"
$args['reply_text'] = __( 'Reply to', 'independent-publisher' ) . ' ' . $author;
return $args;
}
endif;
add_filter( 'comment_reply_link_args', 'independent_publisher_author_comment_reply_link', 420, 4 );
if ( ! function_exists( 'independent_publisher_comment_form_args' ) ) :
/**
* Arguments for comment_form()
*
* @return array
*/
function independent_publisher_comment_form_args() {
if ( !is_user_logged_in() ) {
$comment_notes_before = '';
$comment_notes_after = '';
} else {
$comment_notes_before = '';
$comment_notes_after = '';
}
$user = wp_get_current_user();
$commenter = wp_get_current_commenter();
$req = get_option( 'require_name_email' );
$aria_req = ( $req ? " aria-required='true'" : '' );
$args = array(
'id_form' => 'commentform',
'id_submit' => 'submit',
'title_reply' => '',
'title_reply_to' => __( 'Leave a Reply for %s', 'independent-publisher' ),
'cancel_reply_link' => __( 'Cancel Reply', 'independent-publisher' ),
'label_submit' => __( 'Submit Comment', 'independent-publisher' ),
'must_log_in' => '<p class="must-log-in">' .
sprintf(
__( 'You must be <a href="%s">logged in</a> to post a comment.', 'independent-publisher' ),
wp_login_url( apply_filters( 'the_permalink', get_permalink() ) )
) . '</p>',
'logged_in_as' => '<p class="logged-in-as">' .
sprintf(
__( 'Logged in as <a href="%1$s">%2$s</a>. <a href="%3$s" title="Log out of this account">Log out?</a>', 'independent-publisher' ),
admin_url( 'profile.php' ),
$user->display_name,
wp_logout_url( apply_filters( 'the_permalink', get_permalink() ) )
) . '</p>',
'comment_notes_before' => $comment_notes_before,
'comment_notes_after' => $comment_notes_after,
'fields' => apply_filters(
'comment_form_default_fields', array(
'author' =>
'<p class="comment-form-author"><label for="author">' . __( 'Name', 'independent-publisher' ) . '</label>' .
( $req ? '' : '' ) .
'<input id="author" name="author" type="text" value="' . esc_attr( $commenter['comment_author'] ) .
'"' . $aria_req . ' /></p>',
'email' =>
'<p class="comment-form-email"><label for="email">' . __( 'Email', 'independent-publisher' ) . '</label>' .
( $req ? '' : '' ) .
'<input id="email" name="email" type="text" value="' . esc_attr( $commenter['comment_author_email'] ) .
'"' . $aria_req . ' /></p>',
'url' =>
'<p class="comment-form-url"><label for="url">' . __( 'Website', 'independent-publisher' ) . '</label>' .
'<input id="url" name="url" type="text" value="' . esc_attr( $commenter['comment_author_url'] ) .
'" /></p>',
)
),
);
return $args;
}
endif;
if ( ! function_exists( 'independent_publisher_remove_textarea' ) ) :
/**
* Move the comment form textarea above the comment fields
*/
function independent_publisher_remove_textarea( $defaults ) {
$defaults['comment_field'] = '';
return $defaults;
}
endif;
add_filter( 'comment_form_defaults', 'independent_publisher_remove_textarea' );
if ( ! function_exists( 'independent_publisher_add_textarea' ) ) :
/**
* Recreates the comment form textarea HTML for reinclusion in comment form
*/
function independent_publisher_add_textarea() {
echo '<div id="main-reply-title"><h3>' . independent_publisher_comments_call_to_action_text() . '</h3></div>';
echo '<div class="comment-form-reply-title"><p>' . __( 'Comment', 'independent-publisher' ) . '</p></div>';
echo '<p class="comment-form-comment" id="comment-form-field"><textarea id="comment" name="comment" cols="60" rows="6" aria-required="true"></textarea></p>';
}
endif;
add_action( 'comment_form_top', 'independent_publisher_add_textarea' );
if ( ! function_exists( 'independent_publisher_enhanced_comment_form' ) ) :
/**
* Enqueue enhanced comment form JavaScript
*/
function independent_publisher_enhanced_comment_form() {
wp_enqueue_script( 'enhanced-comment-form-js', get_template_directory_uri() . '/js/enhanced-comment-form.js', array( 'jquery' ), '1.0' );
}
endif;
add_action( 'wp_enqueue_scripts', 'independent_publisher_enhanced_comment_form' );
if ( ! function_exists( 'independent_publisher_site_logo_icon_js' ) ) :
/**
* Enqueue Site Logo Icon JavaScript if Multi-Author Site enabled
*/
function independent_publisher_site_logo_icon_js() {
if ( independent_publisher_is_multi_author_mode() ) {
wp_enqueue_script( 'site-logo-icon-js', get_template_directory_uri() . '/js/site-logo-icon.js', array( 'jquery' ), '1.0' );
}
}
endif;
add_action( 'wp_enqueue_scripts', 'independent_publisher_site_logo_icon_js' );
if ( ! function_exists( 'independent_publisher_is_multi_author_mode' ) ):
/**
* Returns true if Multi-Author Mode is enabled
*/
function independent_publisher_is_multi_author_mode() {
$independent_publisher_general_options = get_option( 'independent_publisher_general_options' );
if ( isset( $independent_publisher_general_options['multi_author_mode'] ) && $independent_publisher_general_options['multi_author_mode'] ) {
return true;
} else {
return false;
}
}
endif;
if ( ! function_exists( 'independent_publisher_show_author_card' ) ) :
/*
* Returns true if Show Author Card is enabled
*
* @since Independent Publisher 1.7
*
* @note This defaults to true if the option does not exist because that was the original behavior
*/
function independent_publisher_show_author_card() {
$independent_publisher_general_options = get_option( 'independent_publisher_general_options' );
if ( !isset( $independent_publisher_general_options['show_author_card'] ) || $independent_publisher_general_options['show_author_card'] ) {
return true;
} else {
return false;
}
}
endif;
if ( ! function_exists( 'independent_publisher_single_author_link' ) ) :
/**
* Returns the author link; defaults to home page when not using multi-author mode
*/
function independent_publisher_single_author_link() {
return get_home_url();
}
endif;
/**
* Changes the link around the authors name to the home page when Multi Author Mode is disabled
*/
if ( ! independent_publisher_is_multi_author_mode() ) {
add_filter( 'author_link', 'independent_publisher_single_author_link', 10, 3 );
}
/**
* Returns true if Post Excerpts option is enabled
*/
function independent_publisher_use_post_excerpts() {
$independent_publisher_excerpt_options = get_option( 'independent_publisher_excerpt_options' );
if ( isset( $independent_publisher_excerpt_options['excerpts'] ) && $independent_publisher_excerpt_options['excerpts'] == '1' ) {
return true;
} else {
return false;
}
}
/**
* Returns true if Generate One-Sentence Excerpts option is enabled
*/
function independent_publisher_generate_one_sentence_excerpts() {
$independent_publisher_excerpt_options = get_option( 'independent_publisher_excerpt_options' );
if ( isset( $independent_publisher_excerpt_options['generate_one_sentence_excerpts'] ) && $independent_publisher_excerpt_options['generate_one_sentence_excerpts'] && independent_publisher_use_post_excerpts() ) {
return true;
} else {
return false;
}
}
/**
* Returns true if Show Full Content for First Post option is enabled
*/
function independent_publisher_show_full_content_first_post() {
$independent_publisher_excerpt_options = get_option( 'independent_publisher_excerpt_options' );
if ( isset( $independent_publisher_excerpt_options['show_full_content_first_post'] ) && $independent_publisher_excerpt_options['show_full_content_first_post'] ) {
return true;
} else {
return false;
}
}
/**
* Returns true if Show Post Thumbnails option is enabled
*/
function independent_publisher_show_post_thumbnails() {
$independent_publisher_excerpt_options = get_option( 'independent_publisher_excerpt_options' );
if ( isset( $independent_publisher_excerpt_options['show_post_thumbnails'] ) && $independent_publisher_excerpt_options['show_post_thumbnails'] ) {
return true;
} else {
return false;
}
}
/**
* Returns true if Show Post Word Count option is enabled
*/
function independent_publisher_show_post_word_count() {
$independent_publisher_general_options = get_option( 'independent_publisher_general_options' );
if ( isset( $independent_publisher_general_options['show_post_word_count'] ) && $independent_publisher_general_options['show_post_word_count'] ) {
return true;
} else {
return false;
}
}
/**
* Returns true if Show Post Date in Entry Meta option is enabled
*/
function independent_publisher_show_date_entry_meta() {
$independent_publisher_general_options = get_option( 'independent_publisher_general_options' );
if ( isset( $independent_publisher_general_options['show_date_entry_meta'] ) && $independent_publisher_general_options['show_date_entry_meta'] ) {
return true;
} else {
return false;
}
}
/**
* Returns true if Show Widgets on Single Pages option is enabled
*/
function independent_publisher_show_widgets_on_single_pages() {
$independent_publisher_general_options = get_option( 'independent_publisher_general_options' );
if ( isset( $independent_publisher_general_options['show_widgets_on_single'] ) && $independent_publisher_general_options['show_widgets_on_single'] ) {
return true;
} else {
return false;
}
}
/**
* Returns true if Use Single Column Layout option is enabled
*/
function independent_publisher_use_single_column_layout() {
$independent_publisher_layout_options = get_option( 'independent_publisher_layout_options' );
if ( isset( $independent_publisher_layout_options['single_column_layout'] ) && $independent_publisher_layout_options['single_column_layout'] ) {
return true;
} else {
return false;
}
}
/**
* Returns Comments Call to Action text
*/
function independent_publisher_comments_call_to_action_text() {
$comments_call_to_action = get_theme_mod( 'comments_call_to_action' );
if ( isset( $comments_call_to_action ) && trim( $comments_call_to_action ) !== '' ) {
return esc_attr( $comments_call_to_action );
} else {
return __( 'Write a Comment', 'independent-publisher' );
}
}
/*
* Return true if Auto-Set Featured Image as Post Cover is enabled and it hasn't
* been disabled for this post.
*
* Returns true if the current post has Full Width Featured Image enabled.
*
* Returns false if not a Single post type or there is no Featured Image selected
* or none of the above conditions are true.
*/
function independent_publisher_has_full_width_featured_image() {
// If this isn't a Single post type or we don't have a Featured Image set
if ( ! ( is_single() || is_page() ) || ! has_post_thumbnail() ) {
return false;
}
$full_width_featured_image = get_post_meta( get_the_ID(), 'full_width_featured_image' );
$full_width_featured_image_disabled = get_post_meta( get_the_ID(), 'full_width_featured_image_disabled' );
$independent_publisher_general_options = get_option( 'independent_publisher_general_options' );
// If Auto-Set Featured Image as Post Cover is enabled and it hasn't been disabled for this post, return true.
if ( isset( $independent_publisher_general_options['auto_featured_image_post_cover'] ) && $independent_publisher_general_options['auto_featured_image_post_cover'] && !$full_width_featured_image_disabled ) {
return true;
}
// If Use featured image as Post Cover has been checked in the Featured Image meta box, return true.
if ( $full_width_featured_image ) {
return true;
}
return false; // Default
}
/**
* Return true if post has the custom field post_cover_overlay_post_title set to true
*/
function independent_publisher_post_has_post_cover_title() {
$post_has_cover_title = get_post_meta( get_the_ID(), 'post_cover_overlay_post_title', true );
$has_full_width_featured_image = independent_publisher_has_full_width_featured_image();
$independent_publisher_general_options = get_option( 'independent_publisher_general_options' );
// Allow site owner to set this option on a per-post basis using a Custom Field
if ( ( $post_has_cover_title === '1' || $post_has_cover_title === 'true' ) && $has_full_width_featured_image ) {
return true;
} else if ( ( $post_has_cover_title === '0' || $post_has_cover_title === 'false' ) && $has_full_width_featured_image ) {
return false;
}
if ( isset( $independent_publisher_general_options['post_cover_overlay_post_title'] ) && $independent_publisher_general_options['post_cover_overlay_post_title'] && $has_full_width_featured_image ) {
return true;
}
return false; // Default
}
/**
* Returns true if Enable Page Load Progress Bar option is enabled
*/
function independent_publisher_page_load_progress_bar_enabled() {
$independent_publisher_general_options = get_option( 'independent_publisher_general_options' );
if ( isset( $independent_publisher_general_options['show_page_load_progress_bar'] ) && $independent_publisher_general_options['show_page_load_progress_bar'] ) {
return true;
} else {
return false;
}
}
/**
* Returns true if Show Nav Menu on Single Posts option is enabled
*/
function independent_publisher_show_nav_on_single() {
$independent_publisher_general_options = get_option( 'independent_publisher_general_options' );
if ( isset( $independent_publisher_general_options['show_nav_menu_on_single'] ) && $independent_publisher_general_options['show_nav_menu_on_single'] ) {
return true;
} else {
return false;
}
}
/**
* Returns true if Show Updated Date on Single Posts option is enabled
*/
function independent_publisher_show_updated_date_on_single() {
$independent_publisher_general_options = get_option( 'independent_publisher_general_options' );
if ( isset( $independent_publisher_general_options['show_updated_date_on_single'] ) && $independent_publisher_general_options['show_updated_date_on_single'] ) {
return true;
} else {
return false;
}
}
/**
* Returns true if Auto-Set Featured Image as Post Cover option is enabled
*/
function independent_publisher_auto_featured_image_post_cover() {
$independent_publisher_general_options = get_option( 'independent_publisher_general_options' );
if ( isset( $independent_publisher_general_options['auto_featured_image_post_cover'] ) && $independent_publisher_general_options['auto_featured_image_post_cover'] ) {
return true;
} else {
return false;
}
}
/**
* Returns true if Auto-Set Post with Post Cover Title option is enabled
*/
function independent_publisher_post_cover_overlay_post_title() {
$independent_publisher_general_options = get_option( 'independent_publisher_general_options' );
if ( isset( $independent_publisher_general_options['post_cover_overlay_post_title'] ) && $independent_publisher_general_options['post_cover_overlay_post_title'] ) {
return true;
} else {
return false;
}
}
/**
* Add full-width-featured-image to body class when displaying a post with Full Width Featured Image enabled
*/
function independent_publisher_full_width_featured_image_body_class( $classes ) {
if ( independent_publisher_has_full_width_featured_image() ) {
$classes[] = 'full-width-featured-image';
}
return $classes;
}
add_filter( 'body_class', 'independent_publisher_full_width_featured_image_body_class' );
/**
* Add post-cover-overlay-post-title to body class when displaying a post with Post Title Overlay on Post Cover enabled
*/
function independent_publisher_post_cover_title_body_class( $classes ) {
if ( independent_publisher_post_has_post_cover_title() && independent_publisher_has_full_width_featured_image() ) {
$classes[] = 'post-cover-overlay-post-title';
}
return $classes;
}
add_filter( 'body_class', 'independent_publisher_post_cover_title_body_class' );
/**
* Add single-column-layout to body class when Use Single Column Layout option enabled
*/
function independent_publisher_single_column_layout_body_class( $classes ) {
if ( independent_publisher_use_single_column_layout() ) {
$classes[] = 'single-column-layout';
}
return $classes;
}
add_filter( 'body_class', 'independent_publisher_single_column_layout_body_class' );
/**
* Add multi-author-mode to body class when Multi-Author Mode enabled
*/
function independent_publisher_multi_author_mode_body_class( $classes ) {
if ( independent_publisher_is_multi_author_mode() ) {
$classes[] = 'multi-author-mode';
}
return $classes;
}
add_filter( 'body_class', 'independent_publisher_multi_author_mode_body_class' );
/**
* Add no-post-excerpts to body class when Post Excerpts option is disabled
*/
function independent_publisher_no_post_excerpts_body_class( $classes ) {
if (
! independent_publisher_use_post_excerpts()
&& ! independent_publisher_generate_one_sentence_excerpts()
&& ! is_singular()
) {
$classes[] = 'no-post-excerpts';
}
return $classes;
}
add_filter( 'body_class', 'independent_publisher_no_post_excerpts_body_class' );
/**
* Add enhanced-excerpts to body class when Use Enhanced Excerpts option enabled
*/
function independent_publisher_enhanced_excerpts_body_class( $classes ) {
if ( independent_publisher_generate_one_sentence_excerpts() && ! is_singular() ) {
$classes[] = 'enhanced-excerpts';
}
return $classes;
}
add_filter( 'body_class', 'independent_publisher_enhanced_excerpts_body_class' );
/**
* Add post-excerpts to body class when Use Post Excerpts option enabled
*/
function independent_publisher_post_excerpts_body_class( $classes ) {
if ( independent_publisher_use_post_excerpts() && ! is_singular() ) {
$classes[] = 'post-excerpts';
}
return $classes;
}
add_filter( 'body_class', 'independent_publisher_post_excerpts_body_class' );
if ( ! function_exists( 'independent_publisher_post_word_count' ) ) :
/**
* Returns number of words in a post
* @return string
*/
function independent_publisher_post_word_count() {
global $post;
$content = get_post_field( 'post_content', $post->ID );
$count = str_word_count( strip_tags( $content ) );
return number_format( $count );
}
endif;
if ( ! function_exists( 'independent_publisher_first_sentence_excerpt' ) ) :
/**
* Return the post excerpt. If no excerpt set, generates an excerpt using the first sentence.
*/
function independent_publisher_first_sentence_excerpt( $text = '' ) {
global $post;
$content_post = get_post( $post->ID );
// Only generate a one-sentence excerpt if there is no excerpt set and One Sentence Excerpts is enabled
if ( !$content_post->post_excerpt && independent_publisher_generate_one_sentence_excerpts() ) {
// The following mimics the functionality of wp_trim_excerpt() in wp-includes/formatting.php
// and ensures that no shortcodes or embed URLs are included in our generated excerpt.
$text = get_the_content( '' );
$text = strip_shortcodes( $text );
$text = apply_filters( 'the_content', $text );
$text = str_replace( ']]>', ']]>', $text );
$excerpt_length = 150; // Something long enough that we're likely to get a full sentence.
$excerpt_more = ''; // Not used, but included here for clarity
$text = wp_trim_words( $text, $excerpt_length, $excerpt_more ); // See wp_trim_words() in wp-includes/formatting.php
// Get the first sentence
// This looks for three punctuation characters: . (period), ! (exclamation), or ? (question mark), followed by a space
$strings = preg_split( '/(\.|!|\?)\s/', strip_tags( $text ), 2, PREG_SPLIT_DELIM_CAPTURE );
// $strings[0] is the first sentence and $strings[1] is the punctuation character at the end
if ( !empty( $strings[0] ) && !empty( $strings[1] ) ) {
$text = $strings[0] . $strings[1];
}
$text = wpautop( $text );
}
return $text;
}
endif;
add_filter( 'the_excerpt', 'independent_publisher_first_sentence_excerpt' );
/*
* Add a checkbox for Post Covers to the featured image metabox
*/
function independent_publisher_featured_image_meta( $content ) {
// If we don't have a featured image, nothing to do.
if ( ! has_post_thumbnail() ) {
return $content;
}
global $post;
// Meta key
$meta_key = 'full_width_featured_image';
// Text for checkbox
$text = __( "Use as post cover (full-width)", 'independent-publisher' );
// Option type (for use when saving post data in independent_publisher_save_featured_image_meta()
$option_type = "enable";
/* If Auto-Set Featured Image as Post Cover enabled, this checkbox's functionality should reverse and
* allow for disabling Post Covers on a post-by-post basis.
*/
if ( independent_publisher_auto_featured_image_post_cover() ) {
$meta_key = 'full_width_featured_image_disabled';
$text = __( "Disable post cover (full-width)", 'independent-publisher' );
$option_type = "disable";
}
// Get the current setting
$value = esc_attr( get_post_meta( $post->ID, $meta_key, true ) );
// Output the checkbox HTML
$label = '<label for="' . $meta_key . '" class="selectit"><input name="' . $meta_key . '" type="checkbox" id="' . $meta_key . '" value="1" ' . checked( $value, 1, false ) . '> ' . $text . '</label>';
$label .= '<input type="hidden" name="full_width_featured_image_enable_disable" value="' . $option_type . '">';
$label = wp_nonce_field( basename( __FILE__ ), 'independent_publisher_full_width_featured_image_meta_nonce' ) . $label;
return $content .= $label;
}
add_filter( 'admin_post_thumbnail_html', 'independent_publisher_featured_image_meta' );
/*
* Save the Featured Image meta box's post metadata for Post Cover options.
*/
function independent_publisher_save_featured_image_meta( $post_id, $post ) {
/* Verify the nonce before proceeding. */
if (
! isset( $_POST['independent_publisher_full_width_featured_image_meta_nonce'] )
|| ! wp_verify_nonce( $_POST['independent_publisher_full_width_featured_image_meta_nonce'], basename( __FILE__ ) )
) {
return $post_id;
}