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msd2/wordpress/wp-content/plugins/amp/wpcom/class-amp-polldaddy-embed.php

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+<?php
+/**
+ * Class WPCOM_AMP_Polldaddy_Embed
+ *
+ * @package AMP
+ */
+
+/**
+ * Class WPCOM_AMP_Polldaddy_Embed
+ */
+class WPCOM_AMP_Polldaddy_Embed extends AMP_Base_Embed_Handler {
+
+	/**
+	 * Register embed.
+	 */
+	public function register_embed() {
+		add_shortcode( 'polldaddy', array( $this, 'shortcode' ) );
+		add_filter( 'embed_oembed_html', array( $this, 'filter_embed_oembed_html' ), 10, 3 );
+	}
+
+	/**
+	 * Unregister embed.
+	 */
+	public function unregister_embed() {
+		remove_shortcode( 'polldaddy' );
+		remove_filter( 'embed_oembed_html', array( $this, 'filter_embed_oembed_html' ), 10 );
+	}
+
+	/**
+	 * Shortcode.
+	 *
+	 * @param array $attr Shortcode attributes.
+	 * @return string Shortcode.
+	 * @global WP_Embed $wp_embed
+	 */
+	public function shortcode( $attr ) {
+		global $wp_embed;
+
+		$url = null;
+		if ( ! empty( $attr['poll'] ) ) {
+			$url = 'https://polldaddy.com/poll/' . $attr['poll'] . '/';
+		} elseif ( ! empty( $attr['survey'] ) ) {
+			$url = 'https://polldaddy.com/s/' . $attr['survey'] . '/';
+		}
+
+		// Short-circuit in the case of the ratings embed.
+		if ( ! $url ) {
+			return '';
+		}
+
+		if ( ! empty( $attr['title'] ) ) {
+			$output = $this->render_link( $url, $attr['title'] );
+		} else {
+			$output = $wp_embed->shortcode( $attr, $url );
+		}
+
+		return $output;
+	}
+
+	/**
+	 * Filter oEmbed HTML for PollDaddy to for AMP output.
+	 *
+	 * @param string $cache Cache for oEmbed.
+	 * @param string $url   Embed URL.
+	 * @param array  $attr  Shortcode attributes.
+	 * @return string Embed.
+	 */
+	public function filter_embed_oembed_html( $cache, $url, $attr ) {
+		$parsed_url = wp_parse_url( $url );
+		if ( false === strpos( $parsed_url['host'], 'polldaddy.com' ) ) {
+			return $cache;
+		}
+
+		$output = '';
+
+		// Poll oEmbed responses include noscript.
+		if ( preg_match( '#<noscript>(.+?)</noscript>#', $cache, $matches ) ) {
+			$output = $matches[1];
+		}
+
+		if ( empty( $output ) ) {
+			if ( ! empty( $attr['title'] ) ) {
+				$name = $attr['title'];
+			} elseif ( false !== strpos( $url, 'polldaddy.com/s' ) ) {
+				$name = __( 'View Survey', 'amp' );
+			} else {
+				$name = __( 'View Poll', 'amp' );
+			}
+			$output = $this->render_link( $url, $name );
+		}
+
+		return $output;
+	}
+
+	/**
+	 * Render poll/survey link.
+	 *
+	 * @param string $url   Link URL.
+	 * @param string $title Link Text.
+	 * @return string Link.
+	 */
+	private function render_link( $url, $title ) {
+		return sprintf( '<p><a href="' . esc_url( $url ) . '">' . esc_html( $title ) . '</a></p>' );
+	}
+}

msd2/wordpress/wp-content/plugins/amp/wpcom/shortcodes.php

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+<?php
+/**
+ * Shortcode functions for WordPress.com.
+ *
+ * @package AMP
+ */
+
+_deprecated_file( __FILE__, '0.6' );
+
+/**
+ * Add custom embeds for WordPress.com.
+ *
+ * @deprecated Now PollDaddy is supported in core AMP.
+ * @param array $embed_handler_classes Embed handler classes.
+ * @return mixed
+ */
+function wpcom_amp_add_custom_embeds( $embed_handler_classes ) {
+	_deprecated_function( __FUNCTION__, '0.6' );
+	return $embed_handler_classes;
+}