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Diffstat (limited to 'plugins/jetpack/modules/shortcodes/spotify.php')
-rw-r--r-- | plugins/jetpack/modules/shortcodes/spotify.php | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/plugins/jetpack/modules/shortcodes/spotify.php b/plugins/jetpack/modules/shortcodes/spotify.php new file mode 100644 index 00000000..ff3c38b7 --- /dev/null +++ b/plugins/jetpack/modules/shortcodes/spotify.php @@ -0,0 +1,99 @@ +<?php +/** + * Spotify shortcode. + * + * Usage: + * [spotify id="spotify:track:4bz7uB4edifWKJXSDxwHcs" width="400" height="100"] + * + * @package Jetpack + */ + +if ( ! shortcode_exists( 'spotify' ) ) { + add_shortcode( 'spotify', 'jetpack_spotify_shortcode' ); + + if ( get_option( 'embed_autourls' ) ) { + // If user enabled autourls, also convert syntax like spotify:track:4bz7uB4edifWKJXSDxwHcs. + add_filter( 'the_content', 'jetpack_spotify_embed_ids', 7 ); + } +} + +/** + * Parse shortcode arguments and render its output. + * + * @since 4.5.0 + * + * @param array $atts Shortcode attributes. + * @param string $content Post Content. + * + * @return string + */ +function jetpack_spotify_shortcode( $atts = array(), $content = '' ) { + + if ( ! empty( $content ) ) { + $id = $content; + } elseif ( ! empty( $atts['id'] ) ) { + $id = $atts['id']; + } elseif ( ! empty( $atts[0] ) ) { + $id = $atts[0]; + } else { + return '<!-- Missing Spotify ID -->'; + } + + if ( empty( $atts['width'] ) ) { + $atts['width'] = 300; + } + + if ( empty( $atts['height'] ) ) { + $atts['height'] = 380; + } + + $atts['width'] = (int) $atts['width']; + $atts['height'] = (int) $atts['height']; + + // Spotify accepts both URLs and their Spotify ID format, so let them sort it out and validate. + $embed_url = add_query_arg( 'uri', rawurlencode( $id ), 'https://embed.spotify.com/' ); + + 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>'; +} + +/** + * Turn text like this on it's own line into an embed: spotify:track:4bz7uB4edifWKJXSDxwHcs + * The core WordPress embed functionality only works with URLs + * Modified version of WP_Embed::autoembed() + * + * @since 4.5.0 + * + * @param string $content Post content. + * + * @return string + */ +function jetpack_spotify_embed_ids( $content ) { + $textarr = wp_html_split( $content ); + + foreach ( $textarr as &$element ) { + if ( '' === $element || '<' === $element[0] ) { + continue; + } + + if ( substr( ltrim( $element ), 0, 8 ) !== 'spotify:' ) { + continue; + } + + $element = preg_replace_callback( '|^\s*(spotify:[^\s"]+:[^\s"]+)\s*$|im', 'jetpack_spotify_embed_ids_callback', $element ); + } + + return implode( '', $textarr ); +} + +/** + * Call shortcode with ID provided by matching pattern. + * + * @since 4.5.0 + * + * @param array $matches Array of matches for Spofify links. + * + * @return string + */ +function jetpack_spotify_embed_ids_callback( $matches ) { + return "\n" . jetpack_spotify_shortcode( array(), $matches[1] ) . "\n"; +} |