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wp-content/plugins/jetpack/modules/shortcodes/tweet.php
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276
wp-content/plugins/jetpack/modules/shortcodes/tweet.php
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<?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
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/**
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* Tweet shortcode.
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* Params map to key value pairs, and all but tweet are optional:
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* tweet = id or permalink url* (Required)
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* align = none|left|right|center
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* width = number in pixels example: width="300"
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* lang = en|fr|de|ko|etc... language country code.
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* hide_thread = true | false **
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* hide_media = true | false **
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*
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* Basic:
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* [tweet https://twitter.com/jack/statuses/20 width="350"]
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*
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* More parameters and another tweet syntax admitted:
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* [tweet tweet="https://twitter.com/jack/statuses/20" align="left" width="350" align="center" lang="es"]
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*
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* @package Jetpack
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*/
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add_shortcode( 'tweet', array( 'Jetpack_Tweet', 'jetpack_tweet_shortcode' ) );
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/**
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* Tweet Shortcode class.
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*/
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class Jetpack_Tweet {
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/**
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* Array of arguments about a tweet.
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*
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* @var array
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*/
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public static $provider_args;
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/**
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* Parse shortcode arguments and render its output.
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*
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* @since 4.5.0
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*
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* @param array $atts Shortcode parameters.
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*
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* @return string
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*/
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public static function jetpack_tweet_shortcode( $atts ) {
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global $wp_embed;
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$default_atts = array(
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'tweet' => '',
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'align' => 'none',
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'width' => '',
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'lang' => 'en',
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'hide_thread' => 'false',
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'hide_media' => 'false',
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);
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$attr = shortcode_atts( $default_atts, $atts );
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self::$provider_args = $attr;
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/*
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* figure out the tweet id for the requested tweet
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* supporting both omitted attributes and tweet="tweet_id"
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* and supporting both an id and a URL
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*/
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if ( empty( $attr['tweet'] ) && ! empty( $atts[0] ) ) {
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$attr['tweet'] = $atts[0];
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}
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if ( ctype_digit( $attr['tweet'] ) ) {
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$id = 'https://twitter.com/jetpack/status/' . $attr['tweet'];
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$tweet_id = intval( $attr['tweet'] );
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} else {
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preg_match( '/^http(s|):\/\/twitter\.com(\/\#\!\/|\/)([a-zA-Z0-9_]{1,20})\/status(es)*\/(\d+)$/', $attr['tweet'], $urlbits );
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if ( isset( $urlbits[5] ) && intval( $urlbits[5] ) ) {
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$id = 'https://twitter.com/' . $urlbits[3] . '/status/' . intval( $urlbits[5] );
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$tweet_id = intval( $urlbits[5] );
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} else {
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return '<!-- Invalid tweet id -->';
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}
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}
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/*
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* Fetch tweet.
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*
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* On WordPress.com, we also cache tweets for better performance and less requests.
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*/
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if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
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/*
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* See if we have the tweet stored in our tweet store
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* if not get_tweet_store queues up a job to request
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*/
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$data = get_tweet_store( $tweet_id );
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if ( $data ) {
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$tweet_handler = new Tweet_Handler();
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/*
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* Replace Unicode characters with ther entities like Blackbird Pie v 0.3.2 did
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* to store tweets from other languages (important for non-english bloggers)
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*/
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$data->text = $tweet_handler->unicode_replace_entities( $data->text );
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$data->user->screen_name = $tweet_handler->unicode_replace_entities( $data->user->screen_name );
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$data->user->name = $tweet_handler->unicode_replace_entities( $data->user->name );
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$tweet = esc_html( $data->text );
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$tweet = $tweet_handler->expand_tco_links( $tweet, $data );
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$tweet = $tweet_handler->autolink( $tweet );
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$screen_name = esc_html( $data->user->screen_name );
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$name = esc_html( $data->user->name );
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$url = 'https://twitter.com/' . $screen_name . '/status/' . intval( $data->id );
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// Only show the user's real name if they set it to something different from their screename.
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if ( $screen_name !== $name ) {
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$real_name = '<br />' . $name;
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} else {
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$real_name = '<br /> ';
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}
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$time = strtotime( $data->created_at );
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$human_readable = date( 'F d, Y', $time );
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$data_datetime = date( 'Y-m-d\TH:i:sP', $time );
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/*
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* Additional params.
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*/
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// align (float).
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$extra_classes = '';
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if ( in_array( $attr['align'], array( 'left', 'right', 'center' ), true ) ) {
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$extra_classes = ' tw-align-' . $attr['align'];
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}
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if ( 'true' === $attr['hide_thread'] ) {
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$extra_classes .= ' tw-hide-thread';
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}
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if ( 'true' === $attr['hide_media'] ) {
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$extra_classes .= ' tw-hide-media';
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}
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// lang.
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$lang = substr( $attr['lang'], 0, 2 );
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if ( empty( $lang ) ) {
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$lang = 'en';
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}
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// width.
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$width_html = '';
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$width = intval( $attr['width'] );
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if ( $width > 100 ) {
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$width_html = ' width="' . esc_attr( $width ) . '"';
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}
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// in reply to id (conversation tweets).
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$in_reply_to_html = '';
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$in_reply_to = intval( $data->in_reply_to_status_id );
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if ( ! empty( $in_reply_to ) && 'false' === $attr['hide_thread'] ) {
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$in_reply_to_html = ' data-in-reply-to="' . esc_attr( $in_reply_to ) . '"';
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}
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// Generate the HTML output.
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$output = sprintf(
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'<blockquote class="twitter-tweet%1$s"%2$s%3$s lang="%4$s"><p>%5$s</p>— %6$s (@%7$s) <a href="%8$s" data-datetime="%9$s">%10$s</a></blockquote>',
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esc_attr( $extra_classes ),
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$width_html,
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$in_reply_to_html,
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esc_attr( $lang ),
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$tweet,
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wp_kses( $real_name, array( 'br' => array() ) ),
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esc_html( $screen_name ),
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esc_url( $url ),
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esc_attr( $data_datetime ),
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esc_html( $human_readable )
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);
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} else {
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/**
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* Filter the default display when a tweet is not available in the store.
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* Not available in Jetpack.
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*
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* @module shortcodes
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*
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* @since 5.1.0
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*
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* @param string $message Default display when a tweet is not available.
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* @param string $id Twitter URL.
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* @param array $attr Shortcode attributes.
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*/
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return apply_filters( 'tweet_shortcode_pending_tweet', '', $id, $attr );
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}
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} else {
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// Add shortcode arguments to provider URL.
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add_filter( 'oembed_fetch_url', array( 'Jetpack_Tweet', 'jetpack_tweet_url_extra_args' ), 10, 3 );
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/*
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* In Jetpack, we use $wp_embed->shortcode() to return the tweet output.
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* @see https://github.com/Automattic/jetpack/pull/11173
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*/
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$output = $wp_embed->shortcode( $atts, $id );
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// Clean up filter.
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remove_filter( 'oembed_fetch_url', array( 'Jetpack_Tweet', 'jetpack_tweet_url_extra_args' ), 10 );
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}
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// Add Twitter widgets.js script to the footer.
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add_action( 'wp_footer', array( 'Jetpack_Tweet', 'jetpack_tweet_shortcode_script' ) );
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/** This action is documented in modules/widgets/social-media-icons.php */
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do_action( 'jetpack_bump_stats_extras', 'embeds', 'tweet' );
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return $output;
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}
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/**
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* Adds parameters to URL used to fetch the tweet.
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*
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* @since 4.5.0
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*
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* @param string $provider URL of provider that supplies the tweet we're requesting.
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* @param string $url URL of tweet to embed.
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* @param array $args Parameters supplied to shortcode and passed to wp_oembed_get.
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*
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* @return string
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*/
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public static function jetpack_tweet_url_extra_args( $provider, $url, $args = array() ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
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foreach ( self::$provider_args as $key => $value ) {
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switch ( $key ) {
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case 'align':
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case 'lang':
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case 'hide_thread':
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case 'hide_media':
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$provider = add_query_arg( $key, $value, $provider );
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break;
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}
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}
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// Disable script since we're enqueing it in our own way in the footer.
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$provider = add_query_arg( 'omit_script', 'true', $provider );
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// Twitter doesn't support maxheight so don't send it.
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$provider = remove_query_arg( 'maxheight', $provider );
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/**
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* Filter the Twitter Partner ID.
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*
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* @module shortcodes
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*
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* @since 4.6.0
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*
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* @param string $partner_id Twitter partner ID.
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*/
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$partner = apply_filters( 'jetpack_twitter_partner_id', 'jetpack' );
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// Add Twitter partner ID to track embeds from Jetpack.
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if ( ! empty( $partner ) ) {
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$provider = add_query_arg( 'partner', $partner, $provider );
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}
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return $provider;
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}
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/**
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* Enqueue front end assets.
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*
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* @since 4.5.0
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*/
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public static function jetpack_tweet_shortcode_script() {
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if ( ! wp_script_is( 'twitter-widgets', 'registered' ) ) {
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wp_register_script( 'twitter-widgets', 'https://platform.twitter.com/widgets.js', array(), JETPACK__VERSION, true );
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wp_print_scripts( 'twitter-widgets' );
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}
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}
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} // class end
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