<?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName

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use Automattic\Jetpack\Assets;

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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/**

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* Embed recipe 'cards' in post, with basic styling and print functionality

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*

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* To Do

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* - defaults settings

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* - basic styles/themecolor styles

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* - validation/sanitization

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* - print styles

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*

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* @package automattic/jetpack

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*/

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/**

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* Register and display Recipes in posts.

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*

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* @phan-constructor-used-for-side-effects

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*/

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class Jetpack_Recipes {

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/**

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* Have scripts and styles been enqueued already.

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*

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* @var bool

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*/

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private $scripts_and_style_included = false;

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/**

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* Constructor

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*/

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public function __construct() {

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add_action( 'init', array( $this, 'action_init' ) );

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}

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/**

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* Returns KSES tags with Schema-specific attributes.

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*

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* @since 8.0.0

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*

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* @return array Array to be used by KSES.

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*/

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private static function kses_tags() {

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$allowedtags = wp_kses_allowed_html( 'post' );

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// Create an array of all the tags we'd like to add the itemprop attribute to.

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$tags = array( 'li', 'ol', 'ul', 'img', 'p', 'h3', 'time', 'span' );

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foreach ( $tags as $tag ) {

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if ( ! isset( $allowedtags[ $tag ] ) ) {

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$allowedtags[ $tag ] = array();

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}

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$allowedtags[ $tag ]['class'] = array();

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$allowedtags[ $tag ]['itemprop'] = array();

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$allowedtags[ $tag ]['datetime'] = array();

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}

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// Allow the handler <a on=""> in AMP.

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$allowedtags['a']['on'] = array();

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// Allow itemscope and itemtype for divs.

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if ( ! isset( $allowedtags['div'] ) ) {

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$allowedtags['div'] = array();

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}

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$allowedtags['div']['class'] = array();

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$allowedtags['div']['itemscope'] = array();

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$allowedtags['div']['itemtype'] = array();

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return $allowedtags;

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}

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/**

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* Register our shortcode and enqueue necessary files.

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*/

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public function action_init() {

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// Enqueue styles if [recipe] exists.

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add_action( 'wp_head', array( $this, 'add_scripts' ), 1 );

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// Render [recipe], along with other shortcodes that can be nested within.

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add_shortcode( 'recipe', array( $this, 'recipe_shortcode' ) );

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add_shortcode( 'recipe-notes', array( $this, 'recipe_notes_shortcode' ) );

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add_shortcode( 'recipe-ingredients', array( $this, 'recipe_ingredients_shortcode' ) );

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add_shortcode( 'recipe-directions', array( $this, 'recipe_directions_shortcode' ) );

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add_shortcode( 'recipe-nutrition', array( $this, 'recipe_nutrition_shortcode' ) );

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add_shortcode( 'recipe-image', array( $this, 'recipe_image_shortcode' ) );

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}

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/**

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* Enqueue scripts and styles

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*/

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public function add_scripts() {

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if ( empty( $GLOBALS['posts'] ) || ! is_array( $GLOBALS['posts'] ) ) {

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return;

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}

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foreach ( $GLOBALS['posts'] as $p ) {

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if ( isset( $p->post_content ) && has_shortcode( $p->post_content, 'recipe' ) ) {

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$this->scripts_and_style_included = true;

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break;

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}

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}

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if ( ! $this->scripts_and_style_included ) {

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return;

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}

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wp_enqueue_style( 'jetpack-recipes-style', plugins_url( '/css/recipes.css', __FILE__ ), array(), '20130919' );

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wp_style_add_data( 'jetpack-recipes-style', 'rtl', 'replace' );

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// add $themecolors-defined styles.

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wp_add_inline_style( 'jetpack-recipes-style', self::themecolor_styles() );

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if ( class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request() ) {

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return;

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}

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wp_enqueue_script(

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'jetpack-recipes-printthis',

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Assets::get_file_url_for_environment( '_inc/build/shortcodes/js/recipes-printthis.min.js', 'modules/shortcodes/js/recipes-printthis.js' ),

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array( 'jquery' ),

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'20170202',

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false

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);

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wp_enqueue_script(

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'jetpack-recipes-js',

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Assets::get_file_url_for_environment( '_inc/build/shortcodes/js/recipes.min.js', 'modules/shortcodes/js/recipes.js' ),

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array( 'jquery', 'jetpack-recipes-printthis' ),

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'20131230',

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false

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);

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$title_var = wp_title( '|', false, 'right' );

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$rtl = is_rtl() ? '-rtl' : '';

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$print_css_var = plugins_url( "/css/recipes-print{$rtl}.css", __FILE__ );

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wp_localize_script(

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'jetpack-recipes-js',

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'jetpack_recipes_vars',

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array(

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'pageTitle' => $title_var,

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'loadCSS' => $print_css_var,

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)

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);

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}

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/**

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* Our [recipe] shortcode.

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* Prints recipe data styled to look good on *any* theme.

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*

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* @param array $atts Array of shortcode attributes.

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* @param string $content Post content.

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*

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* @return string HTML for recipe shortcode.

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*/

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public static function recipe_shortcode( $atts, $content = '' ) {

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$atts = shortcode_atts(

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array(

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'title' => '', // string.

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'servings' => '', // intval.

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'time' => '', // strtotime-compatible time description.

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'difficulty' => '', // string.

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'print' => '', // URL for external print version.

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'source' => '', // string.

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'sourceurl' => '', // URL string. Only used if source set.

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'image' => '', // URL or attachment ID.

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'description' => '', // string.

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'cooktime' => '', // strtotime-compatible time description.

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'preptime' => '', // strtotime-compatible time description.

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'rating' => '', // string.

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),

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$atts,

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'recipe'

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);

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return self::recipe_shortcode_html( $atts, $content );

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}

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/**

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* The recipe output

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*

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* @param array $atts Array of shortcode attributes.

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* @param string $content Post content.

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*

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* @return string HTML output

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*/

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private static function recipe_shortcode_html( $atts, $content = '' ) {

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$html = '<div class="hrecipe h-recipe jetpack-recipe" itemscope itemtype="https://schema.org/Recipe">';

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// Print the recipe title if exists.

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if ( '' !== $atts['title'] ) {

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$html .= '<h3 class="p-name jetpack-recipe-title fn" itemprop="name">' . esc_html( $atts['title'] ) . '</h3>';

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}

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// Print the recipe meta if exists.

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if (

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'' !== $atts['servings']

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|| '' !== $atts['time']

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|| '' !== $atts['difficulty']

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|| '' !== $atts['print']

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|| '' !== $atts['preptime']

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|| '' !== $atts['cooktime']

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|| '' !== $atts['rating']

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) {

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$html .= '<ul class="jetpack-recipe-meta">';

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if ( '' !== $atts['servings'] ) {

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$html .= sprintf(

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'<li class="jetpack-recipe-servings p-yield yield" itemprop="recipeYield"><strong>%1$s: </strong>%2$s</li>',

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esc_html_x( 'Servings', 'recipe', 'jetpack' ),

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esc_html( $atts['servings'] )

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);

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}

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$time_types = array( 'preptime', 'cooktime', 'time' );

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foreach ( $time_types as $time_type ) {

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if ( '' === $atts[ $time_type ] ) {

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continue;

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}

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$html .= self::output_time( $atts[ $time_type ], $time_type );

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}

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if ( '' !== $atts['difficulty'] ) {

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$html .= sprintf(

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'<li class="jetpack-recipe-difficulty"><strong>%1$s: </strong>%2$s</li>',

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esc_html_x( 'Difficulty', 'recipe', 'jetpack' ),

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esc_html( $atts['difficulty'] )

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);

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}

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if ( '' !== $atts['rating'] ) {

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$html .= sprintf(

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'<li class="jetpack-recipe-rating">

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<strong>%1$s: </strong>

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<span itemprop="contentRating">%2$s</span>

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</li>',

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esc_html_x( 'Rating', 'recipe', 'jetpack' ),

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esc_html( $atts['rating'] )

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);

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}

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if ( '' !== $atts['source'] ) {

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$html .= sprintf(

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'<li class="jetpack-recipe-source"><strong>%1$s: </strong>',

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esc_html_x( 'Source', 'recipe', 'jetpack' )

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);

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if ( '' !== $atts['sourceurl'] ) :

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// Show the link if we have one.

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$html .= sprintf(

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'<a href="%2$s">%1$s</a>',

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esc_html( $atts['source'] ),

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esc_url( $atts['sourceurl'] )

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);

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else :

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// Skip the link.

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$html .= sprintf(

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'%1$s',

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esc_html( $atts['source'] )

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);

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endif;

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$html .= '</li>';

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}

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if ( 'false' !== $atts['print'] ) {

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$is_amp = class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request();

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$print_action = $is_amp ? 'on="tap:AMP.print"' : '';

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$print_text = $is_amp ? esc_html__( 'Print page', 'jetpack' ) : esc_html_x( 'Print', 'recipe', 'jetpack' );

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$html .= sprintf(

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'<li class="jetpack-recipe-print"><a href="#" %1$s>%2$s</a></li>',

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$print_action,

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$print_text

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);

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}

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$html .= '</ul>';

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}

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// Output the image if we have one and it's not shown elsewhere.

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if ( '' !== $atts['image'] ) {

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if ( ! has_shortcode( $content, 'recipe-image' ) ) {

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$html .= self::output_image_html( $atts['image'] );

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}

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}

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// Output the description, if we have one.

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if ( '' !== $atts['description'] ) {

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$html .= sprintf(

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'<p class="jetpack-recipe-description" itemprop="description">%1$s</p>',

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esc_html( $atts['description'] )

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);

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}

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// Print content between codes.

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$html .= '<div class="jetpack-recipe-content">' . do_shortcode( $content ) . '</div>';

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// Close it up.

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$html .= '</div>';

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// If there is a recipe within a recipe, remove the shortcode.

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if ( has_shortcode( $html, 'recipe' ) ) {

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remove_shortcode( 'recipe' );

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}

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// Sanitize html.

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$html = wp_kses( $html, self::kses_tags() );

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// Return the HTML block.

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return $html;

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}

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/**

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* Our [recipe-image] shortcode.

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* Controls placement of image in recipe.

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*

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* @param array $atts Array of shortcode attributes.

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*

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* @return string HTML for recipe notes shortcode.

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*/

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public static function recipe_image_shortcode( $atts ) {

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$atts = shortcode_atts(

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array(

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'image' => '', // string.

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0 => '', // string.

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),

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$atts,

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'recipe-image'

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);

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$src = $atts['image'];

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if ( ! empty( $atts[0] ) ) {

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$src = $atts[0];

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}

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return self::output_image_html( $src );

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}

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/**

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* Our [recipe-notes] shortcode.

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* Outputs ingredients, styled in a div.

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*

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* @param array $atts Array of shortcode attributes.

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* @param string $content Post content.

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*

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* @return string HTML for recipe notes shortcode.

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*/

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public static function recipe_notes_shortcode( $atts, $content = '' ) {

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$atts = shortcode_atts(

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array(

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'title' => '', // string.

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),

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$atts,

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'recipe-notes'

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);

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$html = '';

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// Print a title if one exists.

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if ( '' !== $atts['title'] ) {

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$html .= '<h4 class="jetpack-recipe-notes-title">' . esc_html( $atts['title'] ) . '</h4>';

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}

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$html .= '<div class="jetpack-recipe-notes">';

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// Format content using list functionality, if desired.

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$html .= self::output_list_content( $content, 'notes' );

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$html .= '</div>';

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// Sanitize html.

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$html = wp_kses( $html, self::kses_tags() );

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// Return the HTML block.

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return $html;

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}

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/**

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* Our [recipe-ingredients] shortcode.

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* Outputs notes, styled in a div.

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*

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* @param array $atts Array of shortcode attributes.

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* @param string $content Post content.

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*

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* @return string HTML for recipe ingredients shortcode.

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*/

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public static function recipe_ingredients_shortcode( $atts, $content = '' ) {

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$atts = shortcode_atts(

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array(

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'title' => esc_html_x( 'Ingredients', 'recipe', 'jetpack' ), // string.

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),

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$atts,

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'recipe-ingredients'

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);

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$html = '<div class="jetpack-recipe-ingredients">';

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// Print a title unless the user has opted to exclude it.

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if ( 'false' !== $atts['title'] ) {

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$html .= '<h4 class="jetpack-recipe-ingredients-title">' . esc_html( $atts['title'] ) . '</h4>';

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}

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// Format content using list functionality.

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$html .= self::output_list_content( $content, 'ingredients' );

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$html .= '</div>';

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// Sanitize html.

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$html = wp_kses( $html, self::kses_tags() );

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// Return the HTML block.

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return $html;

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}

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/**

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* Our [recipe-nutrition] shortcode.

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* Outputs notes, styled in a div.

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*

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* @param array $atts Array of shortcode attributes.

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* @param string $content Post content.

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*

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* @return string HTML for recipe nutrition shortcode.

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*/

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public static function recipe_nutrition_shortcode( $atts, $content = '' ) {

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$atts = shortcode_atts(

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array(

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'title' => esc_html_x( 'Nutrition', 'recipe', 'jetpack' ), // string.

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),

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$atts,

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'recipe-nutrition'

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);

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$html = '<div class="jetpack-recipe-nutrition p-nutrition nutrition">';

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// Print a title unless the user has opted to exclude it.

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if ( 'false' !== $atts['title'] ) {

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$html .= '<h4 class="jetpack-recipe-nutrition-title">' . esc_html( $atts['title'] ) . '</h4>';

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}

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// Format content using list functionality.

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$html .= self::output_list_content( $content, 'nutrition' );

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$html .= '</div>';

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// Sanitize html.

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$html = wp_kses( $html, self::kses_tags() );

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// Return the HTML block.

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return $html;

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}

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/**

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* Reusable function to check for shortened formatting.

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* Basically, users can create lists with the following shorthand:

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* - item one

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* - item two

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* - item three

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* And we'll magically convert it to a list. This has the added benefit

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* of including itemprops for the recipe schema.

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*

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* @param string $content HTML content.

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* @param string $type Type of list.

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*

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* @return string content formatted as a list item

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*/

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private static function output_list_content( $content, $type ) {

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$html = '';

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switch ( $type ) {

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case 'directions':

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$list_item_replacement = '<li class="jetpack-recipe-directions">${1}</li>';

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$itemprop = ' itemprop="recipeInstructions"';

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$listtype = 'ol';

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break;

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case 'ingredients':

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$list_item_replacement = '<li class="jetpack-recipe-ingredient p-ingredient ingredient" itemprop="recipeIngredient">${1}</li>';

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$itemprop = '';

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$listtype = 'ul';

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break;

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case 'nutrition':

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$list_item_replacement = '<li class="jetpack-recipe-nutrition">${1}</li>';

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$itemprop = ' itemprop="nutrition"';

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$listtype = 'ul';

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break;

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case 'nutrition':

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$list_item_replacement = '<li class="jetpack-recipe-nutrition nutrition">${1}</li>';

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$itemprop = ' itemprop="nutrition"';

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$listtype = 'ul';

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break;

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default:

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$list_item_replacement = '<li class="jetpack-recipe-notes">${1}</li>';

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$itemprop = '';

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$listtype = 'ul';

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}

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// Check to see if the user is trying to use shortened formatting.

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if (

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str_contains( $content, '&#8211;' ) ||

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