spotify.php
| 1 | <?php |
| 2 | /** |
| 3 | * Spotify shortcode. |
| 4 | * |
| 5 | * Usage: |
| 6 | * [spotify id="spotify:track:4bz7uB4edifWKJXSDxwHcs" width="400" height="100"] |
| 7 | * |
| 8 | * @package Jetpack |
| 9 | */ |
| 10 | |
| 11 | if ( ! shortcode_exists( 'spotify' ) ) { |
| 12 | add_shortcode( 'spotify', 'jetpack_spotify_shortcode' ); |
| 13 | |
| 14 | if ( get_option( 'embed_autourls' ) ) { |
| 15 | // If user enabled autourls, also convert syntax like spotify:track:4bz7uB4edifWKJXSDxwHcs. |
| 16 | add_filter( 'the_content', 'jetpack_spotify_embed_ids', 7 ); |
| 17 | } |
| 18 | } |
| 19 | |
| 20 | /** |
| 21 | * Parse shortcode arguments and render its output. |
| 22 | * |
| 23 | * @since 4.5.0 |
| 24 | * |
| 25 | * @param array $atts Shortcode attributes. |
| 26 | * @param string $content Post Content. |
| 27 | * |
| 28 | * @return string |
| 29 | */ |
| 30 | function jetpack_spotify_shortcode( $atts = array(), $content = '' ) { |
| 31 | |
| 32 | if ( ! empty( $content ) ) { |
| 33 | $id = $content; |
| 34 | } elseif ( ! empty( $atts['id'] ) ) { |
| 35 | $id = $atts['id']; |
| 36 | } elseif ( ! empty( $atts[0] ) ) { |
| 37 | $id = $atts[0]; |
| 38 | } else { |
| 39 | return '<!-- Missing Spotify ID -->'; |
| 40 | } |
| 41 | |
| 42 | if ( empty( $atts['width'] ) ) { |
| 43 | $atts['width'] = 300; |
| 44 | } |
| 45 | |
| 46 | if ( empty( $atts['height'] ) ) { |
| 47 | $atts['height'] = 380; |
| 48 | } |
| 49 | |
| 50 | $atts['width'] = (int) $atts['width']; |
| 51 | $atts['height'] = (int) $atts['height']; |
| 52 | |
| 53 | // Spotify accepts both URLs and their Spotify ID format, so let them sort it out and validate. |
| 54 | $embed_url = add_query_arg( 'uri', rawurlencode( $id ), 'https://embed.spotify.com/' ); |
| 55 | |
| 56 | 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>'; |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Turn text like this on it's own line into an embed: spotify:track:4bz7uB4edifWKJXSDxwHcs |
| 61 | * The core WordPress embed functionality only works with URLs |
| 62 | * Modified version of WP_Embed::autoembed() |
| 63 | * |
| 64 | * @since 4.5.0 |
| 65 | * |
| 66 | * @param string $content Post content. |
| 67 | * |
| 68 | * @return string |
| 69 | */ |
| 70 | function jetpack_spotify_embed_ids( $content ) { |
| 71 | $textarr = wp_html_split( $content ); |
| 72 | |
| 73 | foreach ( $textarr as &$element ) { |
| 74 | if ( '' === $element || '<' === $element[0] ) { |
| 75 | continue; |
| 76 | } |
| 77 | |
| 78 | if ( substr( ltrim( $element ), 0, 8 ) !== 'spotify:' ) { |
| 79 | continue; |
| 80 | } |
| 81 | |
| 82 | $element = preg_replace_callback( '|^\s*(spotify:[^\s"]+:[^\s"]+)\s*$|im', 'jetpack_spotify_embed_ids_callback', $element ); |
| 83 | } |
| 84 | |
| 85 | return implode( '', $textarr ); |
| 86 | } |
| 87 | |
| 88 | /** |
| 89 | * Call shortcode with ID provided by matching pattern. |
| 90 | * |
| 91 | * @since 4.5.0 |
| 92 | * |
| 93 | * @param array $matches Array of matches for Spofify links. |
| 94 | * |
| 95 | * @return string |
| 96 | */ |
| 97 | function jetpack_spotify_embed_ids_callback( $matches ) { |
| 98 | return "\n" . jetpack_spotify_shortcode( array(), $matches[1] ) . "\n"; |
| 99 | } |
| 100 |