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<?php |
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/** |
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* Spotify shortcode. |
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* |
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* Usage: |
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* [spotify id="spotify:track:4bz7uB4edifWKJXSDxwHcs" width="400" height="100"] |
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*/ |
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|
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if ( ! shortcode_exists( 'spotify' ) ) { |
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add_shortcode( 'spotify', 'jetpack_spotify_shortcode' ); |
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|
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if ( get_option( 'embed_autourls' ) ) { |
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// If user enabled autourls, also convert syntax like spotify:track:4bz7uB4edifWKJXSDxwHcs |
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add_filter( 'the_content', 'jetpack_spotify_embed_ids', 7 ); |
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} |
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} |
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|
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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 |
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* @param string $content |
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* |
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* @return string |
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*/ |
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function jetpack_spotify_shortcode( $atts = array(), $content = '' ) { |
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|
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if ( ! empty( $content ) ) { |
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$id = $content; |
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} elseif ( ! empty( $atts['id'] ) ) { |
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$id = $atts['id']; |
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} elseif ( ! empty( $atts[0] ) ) { |
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$id = $atts[0]; |
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} else { |
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return '<!-- Missing Spotify ID -->'; |
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} |
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|
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if ( empty( $atts['width'] ) ) { |
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$atts['width'] = 300; |
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} |
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|
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if ( empty( $atts['height'] ) ) { |
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$atts['height'] = 380; |
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} |
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|
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$atts['width'] = (int) $atts['width']; |
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$atts['height'] = (int) $atts['height']; |
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|
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// Spotify accepts both URLs and their Spotify ID format, so let them sort it out and validate |
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$embed_url = add_query_arg( 'uri', urlencode( $id ), 'https://embed.spotify.com/' ); |
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|
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return '<iframe src="' . esc_url( $embed_url ) . '" style="display:block; margin:0 auto; width:' . esc_attr( $atts['width'] ) . 'px; height:' . esc_attr( $atts['height'] ) . 'px;" frameborder="0" allowtransparency="true"></iframe>'; |
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} |
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|
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/** |
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* Turn text like this on it's own line into an embed: spotify:track:4bz7uB4edifWKJXSDxwHcs |
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* The core WordPress embed functionality only works with URLs |
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* Modified version of WP_Embed::autoembed() |
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* |
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* @since 4.5.0 |
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* |
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* @param $content |
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* |
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* @return string |
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*/ |
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function jetpack_spotify_embed_ids( $content ) { |
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$textarr = wp_html_split( $content ); |
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|
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foreach ( $textarr as &$element ) { |
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if ( '' == $element || '<' === $element[0] ) { |
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continue; |
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} |
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|
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if ( substr( ltrim( $element ), 0, 8 ) !== 'spotify:' ) { |
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continue; |
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} |
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|
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$element = preg_replace_callback( '|^\s*(spotify:[^\s"]+:[^\s"]+)\s*$|im', 'jetpack_spotify_embed_ids_callback', $element ); |
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} |
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|
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return implode( '', $textarr ); |
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} |
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|
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/** |
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* Call shortcode with ID provided by matching pattern. |
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* |
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* @since 4.5.0 |
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* |
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* @param array $matches |
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* |
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* @return string |
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*/ |
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function jetpack_spotify_embed_ids_callback( $matches ) { |
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return "\n" . jetpack_spotify_shortcode( array(), $matches[1] ) . "\n"; |
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} |
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|
