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<?php
/**
* Vimeo Shortcode.
*
* Examples:
* [vimeo 141358]
* [vimeo http://vimeo.com/141358]
* [vimeo 141358 h=500&w=350]
* [vimeo 141358 h=500 w=350]
* [vimeo id=141358 width=350 height=500]
*
* <iframe src="http://player.vimeo.com/video/18427511" width="400" height="225" frameborder="0"></iframe><p><a href="http://vimeo.com/18427511">Eskmo 'We Got More' (Official Video)</a> from <a href="http://vimeo.com/ninjatune">Ninja Tune</a> on <a href="http://vimeo.com">Vimeo</a>.</p>
*
* @package automattic/jetpack
*/
/**
* Extract Vimeo ID from shortcode.
*
* @param array $atts Shortcode attributes.
*/
function jetpack_shortcode_get_vimeo_id( $atts ) {
if ( isset( $atts[0] ) ) {
$atts[0] = trim( $atts[0], '=' );
$id = false;
if ( is_numeric( $atts[0] ) ) {
$id = (int) $atts[0];
} elseif ( preg_match( '|vimeo\.com/(\d+)/?$|i', $atts[0], $match ) ) {
$id = (int) $match[1];
} elseif ( preg_match( '|player\.vimeo\.com/video/(\d+)/?$|i', $atts[0], $match ) ) {
$id = (int) $match[1];
}
return $id;
}
return 0;
}
/**
* Get video dimensions.
*
* @since 8.0.0
*
* @param array $attr The attributes of the shortcode.
* @param array $old_attr Optional array of attributes from the old shortcode format.
*
* @return array Width and height.
*/
function jetpack_shortcode_get_vimeo_dimensions( $attr, $old_attr = array() ) {
global $content_width;
$default_width = 600;
$default_height = 338;
$aspect_ratio = $default_height / $default_width;
/*
* For width and height, we want to support both formats
* that can be provided in the new shortcode format:
* - for width: width or w
* - for height: height or h
*
* For each variation, the full word takes priority.
*
* If no variation is set, we default to the default width and height values set above.
*/
if ( ! empty( $attr['width'] ) ) {
$width = absint( $attr['width'] );
} elseif ( ! empty( $attr['w'] ) ) {
$width = absint( $attr['w'] );
} else {
$width = $default_width;
}
if ( ! empty( $attr['height'] ) ) {
$height = absint( $attr['height'] );
} elseif ( ! empty( $attr['h'] ) ) {
$height = absint( $attr['h'] );
} else {
$height = $default_height;
}
/*
* Support w and h argument as fallbacks in old shortcode format.
*/
if (
$default_width === $width
&& ! empty( $old_attr['w'] )
) {
$width = absint( $old_attr['w'] );
if (
$default_width === $width
&& empty( $old_attr['h'] )
) {
$height = round( $width * $aspect_ratio );
}
}
if (
$default_height === $height
&& ! empty( $old_attr['h'] )
) {
$height = absint( $old_attr['h'] );
if ( empty( $old_attr['w'] ) ) {
$width = round( $height * $aspect_ratio );
}
}
/*
* If we have a content width defined, let it be the new default.
*/
if (
$default_width === $width
&& ! empty( $content_width )
) {
$width = absint( $content_width );
}
/*
* If we have a custom width, we need a custom height as well
* to maintain aspect ratio.
*/
if (
$default_width !== $width
&& $default_height === $height
) {
$height = round( ( $width / 640 ) * 360 );
}
/**
* Filter the Vimeo player width.
*
* @module shortcodes
*
* @since 3.4.0
*
* @param int $width Width of the Vimeo player in pixels.
*/
$width = (int) apply_filters( 'vimeo_width', $width );
/**
* Filter the Vimeo player height.
*
* @module shortcodes
*
* @since 3.4.0
*
* @param int $height Height of the Vimeo player in pixels.
*/
$height = (int) apply_filters( 'vimeo_height', $height );
return array( $width, $height );
}
/**
* Convert a Vimeo shortcode into an embed code.
*
* @param array $atts An array of shortcode attributes.
*
* @return string The embed code for the Vimeo video.
*/
function vimeo_shortcode( $atts ) {
$attr = array_map(
'intval',
shortcode_atts(
array(
'id' => 0,
'width' => 0,
'height' => 0,
'autoplay' => 0,
'loop' => 0,
'w' => 0,
'h' => 0,
),
$atts
)
);
if ( isset( $atts[0] ) ) {
$attr['id'] = jetpack_shortcode_get_vimeo_id( $atts );
}
if ( ! $attr['id'] ) {
return '<!-- vimeo error: not a vimeo video -->';
}
// Handle old shortcode params such as h=500&w=350.
$params = shortcode_new_to_old_params( $atts );
$params = str_replace( array( '&', '&' ), '&', $params );
parse_str( $params, $args );
list( $width, $height ) = jetpack_shortcode_get_vimeo_dimensions( $attr, $args );
$url = esc_url( 'https://player.vimeo.com/video/' . $attr['id'] );
// Handle autoplay and loop arguments.
if (
isset( $args['autoplay'] ) && '1' === $args['autoplay'] // Parsed from the embedded URL.
|| $attr['autoplay'] // Parsed from shortcode arguments.
|| in_array( 'autoplay', $atts, true ) // Catch the argument passed without a value.
) {
$url = add_query_arg( 'autoplay', 1, $url );
}
if (
isset( $args['loop'] ) && '1' === $args['loop'] // Parsed from the embedded URL.
|| $attr['loop'] // Parsed from shortcode arguments.
|| in_array( 'loop', $atts, true ) // Catch the argument passed without a value.
) {
$url = add_query_arg( 'loop', 1, $url );
}
if (
class_exists( 'Jetpack_AMP_Support' )
&& Jetpack_AMP_Support::is_amp_request()
) {
$html = sprintf(
'<amp-vimeo data-videoid="%1$s" layout="responsive" width="%2$d" height="%3$d"></amp-vimeo>',
esc_attr( $attr['id'] ),
absint( $width ),
absint( $height )
);
} else {
$html = sprintf(
'<div class="embed-vimeo" style="text-align: center;"><iframe src="%1$s" width="%2$u" height="%3$u" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe></div>',
esc_url( $url ),
esc_attr( $width ),
esc_attr( $height )
);
}
/**
* Filter the Vimeo player HTML.
*
* @module shortcodes
*
* @since 1.2.3
*
* @param string $html Embedded Vimeo player HTML.
*/
$html = apply_filters( 'video_embed_html', $html );
return $html;
}
add_shortcode( 'vimeo', 'vimeo_shortcode' );
/**
* Callback to modify output of embedded Vimeo video using Jetpack's shortcode.
*
* @since 3.9
*
* @param array $matches Regex partial matches against the URL passed.
* @param array $attr Attributes received in embed response.
* @param array $url Requested URL to be embedded.
*
* @return string Return output of Vimeo shortcode with the proper markup.
*/
function wpcom_vimeo_embed_url( $matches, $attr, $url ) {
$vimeo_info = array( $url );
// If we are able to extract a video ID, use it in the shortcode instead of the full URL.
if ( ! empty( $matches['video_id'] ) ) {
$vimeo_info = array( 'id' => $matches['video_id'] );
}
return vimeo_shortcode( $vimeo_info );
}
/**
* For bare URLs on their own line of the form.
*
* Accepted formats:
* https://vimeo.com/289091934/cd1f466bcc
* https://vimeo.com/album/2838732/video/6342264
* https://vimeo.com/6342264
* http://player.vimeo.com/video/18427511
*
* @since 3.9
*
* @uses wpcom_vimeo_embed_url
*/
function wpcom_vimeo_embed_url_init() {
wp_embed_register_handler( 'wpcom_vimeo_embed_url', '#https?://(?:[^/]+\.)?vimeo\.com/(?:album/(?<album_id>\d+)/)?(?:video/)?(?<video_id>\d+)(?:/.*)?$#i', 'wpcom_vimeo_embed_url' );
}
/*
* Register handler to modify Vimeo embeds using Jetpack's shortcode output.
* This does not happen on WordPress.com, since embeds are handled by core there.
*/
if ( ! defined( 'IS_WPCOM' ) || ! IS_WPCOM ) {
add_action( 'init', 'wpcom_vimeo_embed_url_init' );
}
/**
* Transform a Vimeo embed iFrame into a Vimeo shortcode.
*
* @param string $content Post content.
*/
function vimeo_embed_to_shortcode( $content ) {
if ( ! is_string( $content ) || false === stripos( $content, 'player.vimeo.com/video/' ) ) {
return $content;
}
$regexp = '!<iframe\s+src=[\'"](https?:)?//player\.vimeo\.com/video/(\d+)[\w=&;?]*[\'"]((?:\s+\w+=[\'"][^\'"]*[\'"])*)((?:[\s\w]*))></iframe>!i';
$regexp_ent = str_replace( '&#0*58;', '&#0*58;|�*58;', htmlspecialchars( $regexp, ENT_NOQUOTES ) );
foreach ( compact( 'regexp', 'regexp_ent' ) as $reg => $regexp ) {
if ( ! preg_match_all( $regexp, $content, $matches, PREG_SET_ORDER ) ) {
continue;
}
foreach ( $matches as $match ) {
$id = (int) $match[2];
$params = $match[3];
if ( 'regexp_ent' === $reg ) {
$params = html_entity_decode( $params, ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401 );
}
$params = wp_kses_hair( $params, array( 'http' ) );
$width = isset( $params['width'] ) ? (int) $params['width']['value'] : 0;
$height = isset( $params['height'] ) ? (int) $params['height']['value'] : 0;
$wh = '';
if ( $width && $height ) {
$wh = ' w=' . $width . ' h=' . $height;
}
$shortcode = '[vimeo ' . $id . $wh . ']';
$content = str_replace( $match[0], $shortcode, $content );
}
}
return $content;
}
add_filter( 'pre_kses', 'vimeo_embed_to_shortcode' );
/**
* Replaces shortcodes and plain-text URLs to Vimeo videos with Vimeo embeds.
* Covers shortcode usage [vimeo 1234] | [vimeo https://vimeo.com/1234] | [vimeo http://vimeo.com/1234]
* Or plain text URLs https://vimeo.com/1234 | vimeo.com/1234 | //vimeo.com/1234
* Links are left intact.
*
* @since 3.7.0
* @since 3.9.5 One regular expression matches shortcodes and plain URLs.
*
* @param string $content HTML content.
*
* @return string The content with embeds instead of URLs
*/
function vimeo_link( $content ) {
/**
* [vimeo 12345]
* [vimeo http://vimeo.com/12345]
*/
$shortcode = '(?:\[vimeo\s+[^0-9]*)([0-9]+)(?:\])';
/**
* Regex to look for a Vimeo link.
*
* - http://vimeo.com/12345
* - https://vimeo.com/12345
* - //vimeo.com/12345
* - vimeo.com/some/descender/12345
*
* Should not capture inside HTML attributes
* [Not] <a href="vimeo.com/12345">Cool Video</a>
* [Not] <a href="https://vimeo.com/12345">vimeo.com/12345</a>
*
* Could erroneously capture:
* <a href="some.link/maybe/even/vimeo">This video (vimeo.com/12345) is teh cat's meow!</a>
*/
$plain_url = "(?:[^'\">]?\/?(?:https?:\/\/)?vimeo\.com[^0-9]+)([0-9]+)(?:[^'\"0-9<]|$)";
return jetpack_preg_replace_callback_outside_tags(
sprintf( '#%s|%s#i', $shortcode, $plain_url ),
'vimeo_link_callback',
$content,
'vimeo'
);
}
/**
* Callback function for the regex that replaces Vimeo URLs with Vimeo embeds.
*
* @since 3.7.0
*
* @param array $matches An array containing a Vimeo URL.
* @return string The Vimeo HTML embed code.
*/
function vimeo_link_callback( $matches ) {
$id = isset( $matches[2] ) ? $matches[2] : $matches[1];
if ( isset( $id ) && ctype_digit( $id ) ) {
return "\n" . vimeo_shortcode( array( 'id' => $id ) ) . "\n";
}
return $matches[0];
}
if (
! is_admin()
/** This filter is documented in modules/shortcodes/youtube.php */
&& apply_filters( 'jetpack_comments_allow_oembed', true )
// No need for this on WordPress.com, this is done for multiple shortcodes at a time there.
&& ( ! defined( 'IS_WPCOM' ) || ! IS_WPCOM )
) {
/*
* We attach wp_kses_post to comment_text in default-filters.php with priority of 10 anyway,
* so the iframe gets filtered out.
* Higher priority because we need it before auto-link and autop get to it
*/
add_filter( 'comment_text', 'vimeo_link', 1 );
}