<?php
/**
* Vine shortcode
* The service is now archived, but existing embeds are still accessible.
*
* Examples:
* Vine embed code:
* <iframe class="vine-embed" src="https://vine.co/v/bjHh0zHdgZT" width="600" height="600" frameborder="0"></iframe>
* <script async src="//platform.vine.co/static/scripts/embed.js" charset="utf-8"></script>
*
* URL example:
* https://vine.co/v/bjHh0zHdgZT/
*
* Embed shortcode examples:
* [embed]https://vine.co/v/bjHh0zHdgZT[/embed]
* [embed width="300"]https://vine.co/v/bjHh0zHdgZT[/embed]
* [embed type="postcard" width="300"]https://vine.co/v/bjHh0zHdgZT[/embed]
*
* @package automattic/jetpack
*/
/**
* Handle Vine embeds.
*
* @param array $matches Results after parsing the URL using the regex in wp_embed_register_handler().
* @param array $attr Embed attributes.
* @param string $url The original URL that was matched by the regex.
* @param array $rawattr The original unmodified attributes.
* @return string The embed HTML.
*/
function vine_embed_video( $matches, $attr, $url, $rawattr ) {
$max_height = 300;
$type = 'simple';
// Only allow 'postcard' or 'simple' types.
if (
isset( $rawattr['type'] )
&& 'postcard' === $rawattr['type']
) {
$type = 'postcard';
}
$vine_size = Jetpack::get_content_width();
// If the user enters a value for width or height, we ignore the Jetpack::get_content_width().
if ( isset( $rawattr['width'] ) || isset( $rawattr['height'] ) ) {
// 300 is the minimum size that Vine provides for embeds. Lower than that, the postcard embeds looks weird.
$vine_size = max( $max_height, min( $attr['width'], $attr['height'] ) );
}
if ( empty( $vine_size ) ) {
$vine_size = $max_height;
}
$url = 'https://vine.co/v/' . $matches[1] . '/embed/' . $type;
$vine_html = sprintf(
'<span class="embed-vine" style="display: block;"><iframe class="vine-embed" src="%1$s" width="%2$d" height="%3$d" frameborder="0"></iframe></span>',
esc_url( $url ),
(int) $vine_size,
(int) $vine_size
);
wp_enqueue_script(
'vine-embed',
'https://platform.vine.co/static/scripts/embed.js',
array(),
JETPACK__VERSION,
true
);
return $vine_html;
}
wp_embed_register_handler( 'jetpack_vine', '#https?://vine.co/v/([a-z0-9]+).*#i', 'vine_embed_video' );
/**
* Display the Vine shortcode.
*
* @param array $atts Shortcode attributes.
*/
function vine_shortcode( $atts ) {
global $wp_embed;
if ( empty( $atts['url'] ) ) {
return '';
}
if ( ! preg_match( '#https?://vine.co/v/([a-z0-9]+).*#i', $atts['url'] ) ) {
return '';
}
return $wp_embed->shortcode( $atts, $atts['url'] );
}
add_shortcode( 'vine', 'vine_shortcode' );