functions.php

<?php
/**
 * _s functions and definitions.
 *
 * @link https://developer.wordpress.org/themes/basics/theme-functions/
 *
 * @package piketopine
 */

if ( ! function_exists( 'piketopine_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 for post thumbnails.
 */
function piketopine_setup() {
	/*
	 * Make theme available for translation.
	 * Translations can be filed in the /languages/ directory.
	 * If you're building a theme based on _s, use a find and replace
	 * to change piketopine to the name of your theme in all the template files.
	 */
	load_theme_textdomain( 'piketopine', get_template_directory() . '/languages' );

	// Add default posts and comments RSS feed links to head.
	add_theme_support( 'automatic-feed-links' );

	/*
	 * Let WordPress manage the document title.
	 * By adding theme support, we declare that this theme does not use a
	 * hard-coded <title> tag in the document head, and expect WordPress to
	 * provide it for us.
	 */
	add_theme_support( 'title-tag' );

	/*
	 * Enable support for Post Thumbnails on posts and pages.
	 *
	 * @link https://developer.wordpress.org/themes/functionality/featured-images-post-thumbnails/
	 */
	add_theme_support( 'post-thumbnails' );

	// This theme uses wp_nav_menu() in one location.
	register_nav_menus( array(
		'social' => esc_html__( 'Social', 'piketopine' ),
	) );

	/*
	 * Switch default core markup for search form, comment form, and comments
	 * to output valid HTML5.
	 */
	add_theme_support( 'html5', array(
		'search-form',
		'comment-form',
		'comment-list',
		'gallery',
		'caption',
	) );

	/*
	 * Enable support for Post Formats.
	 * See https://developer.wordpress.org/themes/functionality/post-formats/
	 */
	add_theme_support( 'post-formats', array(
		'image',
		'video',
	) );

	// Set up the WordPress core custom background feature.
	add_theme_support( 'custom-background', apply_filters( 'piketopine_custom_background_args', array(
		'default-color' => 'ffffff',
		'default-image' => '',
	) ) );

  register_sidebar( array(
  		'name'          => 'Home Bottom Sidebar',
  		'id'            => 'home_bottom_1',
  		'before_widget' => '<div class="instagram">',
  		'after_widget'  => '</div>',
  		'before_title'  => '<h2>',
  		'after_title'   => '</h2>',
  	) );

}
endif;
add_action( 'after_setup_theme', 'piketopine_setup' );

/**
 * Set the content width in pixels, based on the theme's design and stylesheet.
 *
 * Priority 0 to make it available to lower priority callbacks.
 *
 * @global int $content_width
 */
function piketopine_content_width() {
	$GLOBALS['content_width'] = apply_filters( 'piketopine_content_width', 640 );
}
add_action( 'after_setup_theme', 'piketopine_content_width', 0 );

/**
 * Enqueue scripts and styles.
 */
function piketopine_scripts() {
  wp_enqueue_style( 'piketopine-style', get_template_directory_uri() . '/style.min.css', array(), '1.0.7');
  wp_enqueue_script ('piketopine-script', get_template_directory_uri() . '/js/dist/scripts.min.js',array(), '1.0.7', true);

	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
		wp_enqueue_script( 'comment-reply' );
	}
}
add_action( 'wp_enqueue_scripts', 'piketopine_scripts' );

// initialize theme plugins
foreach (array(
  'custom-header',
  'template-tags',
  'extras',
  'customizer',
  'jetpack',
  'abn_basic',
  'home',
  'short-codes',
  'metaboxes'
) as $plugin) {
 require_once(get_template_directory().'/inc/'.$plugin.'.php');
}

$abn_wordpress = new abn_wordpress('dev');

function ptp_get_header_image() {
  if(has_post_thumbnail()) {
    $customHeader = wp_get_attachment_image_src( get_post_thumbnail_id(), array(2000, 500) );
    return $customHeader[0];
  }
  else {
    return false;
  }
}

function ptp_back_link() {
  if ( false === ( $backLink = get_transient( 'ptp_back_link' ) ) ) {
     $backLink = '<a href="'.esc_url( home_url( '/' ) ).'" class="back"> Back to Home</a>';
  }
  echo $backLink;
}

add_filter('embed_oembed_html', 'ptp_add_wrapper', 10, 2);
function ptp_add_wrapper( $return, $url ) {
  if(strpos($url, 'youtube') !== false) {
    return '<div class="youtube-embed">'.$return.'</div>';
  }
  else {
      return $return;
  }
}

add_filter('the_content', 'filter_ptags_on_images');
function filter_ptags_on_images($content){
   return preg_replace('/<p>\s*(<a .*>)?\s*(<img .* \/>)\s*(<\/a>)?\s*<\/p>/iU', '\1\2\3', $content);
}


class ptp_comment_walker extends Walker_Comment {
		var $tree_type = 'comment';
		var $db_fields = array( 'parent' => 'comment_parent', 'id' => 'comment_ID' );

		// start_el – HTML for comment template
		function start_el( &$output, $comment, $depth = 0, $args = array(), $id = 0 ) {
			$depth++;
			$GLOBALS['comment_depth'] = $depth;
			$GLOBALS['comment'] = $comment;
			$parent_class = ( empty( $args['has_children'] ) ? '' : 'parent' );

			if ( 'article' == $args['style'] ) {
				$tag = 'article';
				$add_below = 'comment';
			} else {
				$tag = 'article';
				$add_below = 'comment';
			} ?>

			<li <?php comment_class(empty( $args['has_children'] ) ? '' :'parent') ?> id="comment-<?php comment_ID() ?>" itemprop="comment" itemscope itemtype="http://schema.org/Comment">
				<div class="comment-meta post-meta" role="complementary">
          <?php comment_reply_link(array_merge( $args, array('add_below' => $add_below, 'depth' => $depth, 'max_depth' => $args['max_depth']))) ?>
					<p class="author"><?php comment_author(); ?></p>
					<time class="comment-meta-item" datetime="<?php comment_date('Y-m-d') ?>T<?php comment_time('H:iP') ?>" itemprop="datePublished"><?php comment_date('F j, Y') ?> at <?php comment_time() ?></time>
					<?php edit_comment_link('<p class="comment-meta-item">Edit this comment</p>','',''); ?>
					<?php if ($comment->comment_approved == '0') : ?>
					<p class="comment-meta-item">Your comment is awaiting moderation.</p>
					<?php endif; ?>
				</div>
				<div class="comment-content post-content" itemprop="text">
					<?php comment_text() ?>
				</div>

		<?php }

		// end_el – closing HTML for comment template
		function end_el(&$output, $comment, $depth = 0, $args = array() ) { ?>

      </li>

		<?php }

	}

	add_filter( 'get_the_archive_title', function ($title) {

    if ( is_category() ) {

            $title = single_cat_title( '', false );

        } elseif ( is_tag() ) {

            $title = single_tag_title( '', false );

        } elseif ( is_author() ) {

            $title = '<span class="vcard">' . get_the_author() . '</span>' ;

        }

    return $title;

});