<?php

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/**

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* Vine shortcode

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* The service is now archived, but existing embeds are still accessible.

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*

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* Examples:

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* Vine embed code:

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* <iframe class="vine-embed" src="https://vine.co/v/bjHh0zHdgZT" width="600" height="600" frameborder="0"></iframe>

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* <script async src="//platform.vine.co/static/scripts/embed.js" charset="utf-8"></script>

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*

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* URL example:

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* https://vine.co/v/bjHh0zHdgZT/

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*

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* Embed shortcode examples:

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* [embed]https://vine.co/v/bjHh0zHdgZT[/embed]

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* [embed width="300"]https://vine.co/v/bjHh0zHdgZT[/embed]

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* [embed type="postcard" width="300"]https://vine.co/v/bjHh0zHdgZT[/embed]

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*

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* @package automattic/jetpack

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*/

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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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* Handle Vine embeds.

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*

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* @param array $matches Results after parsing the URL using the regex in wp_embed_register_handler().

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* @param array $attr Embed attributes.

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* @param string $url The original URL that was matched by the regex.

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* @param array $rawattr The original unmodified attributes.

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* @return string The embed HTML.

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*/

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function vine_embed_video( $matches, $attr, $url, $rawattr ) {

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$max_height = 300;

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$type = 'simple';

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// Only allow 'postcard' or 'simple' types.

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if (

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isset( $rawattr['type'] )

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&& 'postcard' === $rawattr['type']

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) {

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$type = 'postcard';

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}

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$vine_size = Jetpack::get_content_width();

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// If the user enters a value for width or height, we ignore the Jetpack::get_content_width().

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if ( isset( $rawattr['width'] ) || isset( $rawattr['height'] ) ) {

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// 300 is the minimum size that Vine provides for embeds. Lower than that, the postcard embeds looks weird.

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$vine_size = max( $max_height, min( $attr['width'], $attr['height'] ) );

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}

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if ( empty( $vine_size ) ) {

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$vine_size = $max_height;

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}

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$url = 'https://vine.co/v/' . $matches[1] . '/embed/' . $type;

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$vine_html = sprintf(

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'<span class="embed-vine" style="display: block;"><iframe class="vine-embed" src="%1$s" width="%2$d" height="%3$d" frameborder="0"></iframe></span>',

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esc_url( $url ),

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(int) $vine_size,

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(int) $vine_size

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);

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wp_enqueue_script(

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'vine-embed',

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'https://platform.vine.co/static/scripts/embed.js',

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array(),

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JETPACK__VERSION,

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true

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);

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return $vine_html;

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}

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wp_embed_register_handler( 'jetpack_vine', '#https?://vine.co/v/([a-z0-9]+).*#i', 'vine_embed_video' );

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/**

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* Display the Vine shortcode.

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*

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* @param array $atts Shortcode attributes.

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*/

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function vine_shortcode( $atts ) {

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global $wp_embed;

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if ( empty( $atts['url'] ) ) {

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return '';

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}

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if ( ! preg_match( '#https?://vine.co/v/([a-z0-9]+).*#i', $atts['url'] ) ) {

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return '';

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}

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return $wp_embed->shortcode( $atts, $atts['url'] );

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}

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add_shortcode( 'vine', 'vine_shortcode' );

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