Automattic /
jetpack
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| 1 | <?php |
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| 2 | /** |
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| 3 | * Class Jetpack_Media_Summary |
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| 4 | * |
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| 5 | * embed [video] > gallery > image > text |
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| 6 | */ |
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| 7 | class Jetpack_Media_Summary { |
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| 8 | |||
| 9 | private static $cache = array(); |
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| 10 | |||
| 11 | static function get( $post_id, $blog_id = 0, $args = array() ) { |
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| 12 | |||
| 13 | $defaults = array( |
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| 14 | 'max_words' => 16, |
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| 15 | 'max_chars' => 256, |
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| 16 | ); |
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| 17 | $args = wp_parse_args( $args, $defaults ); |
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| 18 | |||
| 19 | $switched = false; |
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| 20 | if ( !empty( $blog_id ) && $blog_id != get_current_blog_id() && function_exists( 'switch_to_blog' ) ) { |
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| 21 | switch_to_blog( $blog_id ); |
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| 22 | $switched = true; |
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| 23 | } else { |
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| 24 | $blog_id = get_current_blog_id(); |
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| 25 | } |
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| 26 | |||
| 27 | $cache_key = "{$blog_id}_{$post_id}_{$args['max_words']}_{$args['max_chars']}"; |
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| 28 | if ( isset( self::$cache[ $cache_key ] ) ) { |
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| 29 | return self::$cache[ $cache_key ]; |
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| 30 | } |
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| 31 | |||
| 32 | if ( ! class_exists( 'Jetpack_Media_Meta_Extractor' ) ) { |
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| 33 | if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { |
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| 34 | jetpack_require_lib( 'class.wpcom-media-meta-extractor' ); |
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| 35 | } else { |
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| 36 | jetpack_require_lib( 'class.media-extractor' ); |
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| 37 | } |
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| 38 | } |
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| 39 | |||
| 40 | $post = get_post( $post_id ); |
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| 41 | $permalink = get_permalink( $post_id ); |
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| 42 | |||
| 43 | $return = array( |
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| 44 | 'type' => 'standard', |
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| 45 | 'permalink' => $permalink, |
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| 46 | 'image' => '', |
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| 47 | 'excerpt' => '', |
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| 48 | 'word_count' => 0, |
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| 49 | 'secure' => array( |
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| 50 | 'image' => '', |
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| 51 | ), |
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| 52 | 'count' => array( |
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| 53 | 'image' => 0, |
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| 54 | 'video' => 0, |
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| 55 | 'word' => 0, |
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| 56 | 'link' => 0, |
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| 57 | ), |
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| 58 | ); |
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| 59 | |||
| 60 | if ( empty( $post->post_password ) ) { |
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| 61 | $return['excerpt'] = self::get_excerpt( $post->post_content, $post->post_excerpt, $args['max_words'], $args['max_chars'] , $post); |
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| 62 | $return['count']['word'] = self::get_word_count( $post->post_content ); |
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| 63 | $return['count']['word_remaining'] = self::get_word_remaining_count( $post->post_content, $return['excerpt'] ); |
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| 64 | $return['count']['link'] = self::get_link_count( $post->post_content ); |
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| 65 | } |
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| 66 | |||
| 67 | $extract = Jetpack_Media_Meta_Extractor::extract( $blog_id, $post_id, Jetpack_Media_Meta_Extractor::ALL ); |
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| 68 | |||
| 69 | if ( empty( $extract['has'] ) ) |
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| 70 | return $return; |
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| 71 | |||
| 72 | // Prioritize [some] video embeds |
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| 73 | if ( !empty( $extract['has']['shortcode'] ) ) { |
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| 74 | foreach ( $extract['shortcode'] as $type => $data ) { |
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| 75 | switch ( $type ) { |
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| 76 | case 'videopress': |
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| 77 | case 'wpvideo': |
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| 78 | if ( 0 == $return['count']['video'] ) { |
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| 79 | // If there is no id on the video, then let's just skip this |
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| 80 | if ( ! isset ( $data['id'][0] ) ) { |
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| 81 | break; |
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| 82 | } |
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| 83 | |||
| 84 | $guid = $data['id'][0]; |
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| 85 | $video_info = videopress_get_video_details( $guid ); |
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| 86 | |||
| 87 | // Only add the video tags if the guid returns a valid videopress object. |
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| 88 | if ( $video_info instanceof stdClass ) { |
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| 89 | // Continue early if we can't find a Video slug. |
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| 90 | if ( empty( $video_info->files->std->mp4 ) ) { |
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| 91 | break; |
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| 92 | } |
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| 93 | |||
| 94 | $url = sprintf( |
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| 95 | 'https://videos.files.wordpress.com/%1$s/%2$s', |
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| 96 | $guid, |
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| 97 | $video_info->files->std->mp4 |
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| 98 | ); |
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| 99 | |||
| 100 | $thumbnail = $video_info->poster; |
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| 101 | if ( ! empty( $thumbnail ) ) { |
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| 102 | $return['image'] = $thumbnail; |
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| 103 | $return['secure']['image'] = $thumbnail; |
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| 104 | } |
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| 105 | |||
| 106 | $return['type'] = 'video'; |
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| 107 | $return['video'] = esc_url_raw( $url ); |
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| 108 | $return['video_type'] = 'video/mp4'; |
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| 109 | $return['secure']['video'] = $return['video']; |
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| 110 | } |
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| 111 | |||
| 112 | } |
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| 113 | $return['count']['video']++; |
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| 114 | break; |
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| 115 | case 'youtube': |
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| 116 | if ( 0 == $return['count']['video'] ) { |
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| 117 | $return['type'] = 'video'; |
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| 118 | $return['video'] = esc_url_raw( 'http://www.youtube.com/watch?feature=player_embedded&v=' . $extract['shortcode']['youtube']['id'][0] ); |
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| 119 | $return['image'] = self::get_video_poster( 'youtube', $extract['shortcode']['youtube']['id'][0] ); |
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| 120 | $return['secure']['video'] = self::https( $return['video'] ); |
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| 121 | $return['secure']['image'] = self::https( $return['image'] ); |
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| 122 | } |
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| 123 | $return['count']['video']++; |
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| 124 | break; |
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| 125 | case 'vimeo': |
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| 126 | if ( 0 == $return['count']['video'] ) { |
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| 127 | $return['type'] = 'video'; |
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| 128 | $return['video'] = esc_url_raw( 'http://vimeo.com/' . $extract['shortcode']['vimeo']['id'][0] ); |
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| 129 | $return['secure']['video'] = self::https( $return['video'] ); |
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| 130 | |||
| 131 | $poster_image = get_post_meta( $post_id, 'vimeo_poster_image', true ); |
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| 132 | View Code Duplication | if ( !empty( $poster_image ) ) { |
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| 133 | $return['image'] = $poster_image; |
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| 134 | $poster_url_parts = wp_parse_url( $poster_image ); |
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| 135 | $return['secure']['image'] = 'https://secure-a.vimeocdn.com' . $poster_url_parts['path']; |
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| 136 | } |
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| 137 | } |
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| 138 | $return['count']['video']++; |
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| 139 | break; |
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| 140 | } |
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| 141 | } |
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| 142 | |||
| 143 | } |
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| 144 | |||
| 145 | if ( !empty( $extract['has']['embed'] ) ) { |
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| 146 | foreach( $extract['embed']['url'] as $embed ) { |
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| 147 | if ( preg_match( '/((youtube|vimeo|dailymotion)\.com|youtu.be)/', $embed ) ) { |
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| 148 | if ( 0 == $return['count']['video'] ) { |
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| 149 | $return['type'] = 'video'; |
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| 150 | $return['video'] = 'http://' . $embed; |
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| 151 | $return['secure']['video'] = self::https( $return['video'] ); |
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| 152 | if ( false !== strpos( $embed, 'youtube' ) ) { |
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| 153 | $return['image'] = self::get_video_poster( 'youtube', jetpack_get_youtube_id( $return['video'] ) ); |
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| 154 | $return['secure']['image'] = self::https( $return['image'] ); |
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| 155 | } else if ( false !== strpos( $embed, 'youtu.be' ) ) { |
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| 156 | $youtube_id = jetpack_get_youtube_id( $return['video'] ); |
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| 157 | $return['video'] = 'http://youtube.com/watch?v=' . $youtube_id . '&feature=youtu.be'; |
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| 158 | $return['secure']['video'] = self::https( $return['video'] ); |
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| 159 | $return['image'] = self::get_video_poster( 'youtube', jetpack_get_youtube_id( $return['video'] ) ); |
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| 160 | $return['secure']['image'] = self::https( $return['image'] ); |
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| 161 | } else if ( false !== strpos( $embed, 'vimeo' ) ) { |
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| 162 | $poster_image = get_post_meta( $post_id, 'vimeo_poster_image', true ); |
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| 163 | View Code Duplication | if ( !empty( $poster_image ) ) { |
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| 164 | $return['image'] = $poster_image; |
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| 165 | $poster_url_parts = wp_parse_url( $poster_image ); |
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| 166 | $return['secure']['image'] = 'https://secure-a.vimeocdn.com' . $poster_url_parts['path']; |
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| 167 | } |
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| 168 | } else if ( false !== strpos( $embed, 'dailymotion' ) ) { |
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| 169 | $return['image'] = str_replace( 'dailymotion.com/video/','dailymotion.com/thumbnail/video/', $embed ); |
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| 170 | $return['image'] = wp_parse_url( $return['image'], PHP_URL_SCHEME ) === null ? 'http://' . $return['image'] : $return['image']; |
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| 171 | $return['secure']['image'] = self::https( $return['image'] ); |
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| 172 | } |
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| 173 | |||
| 174 | } |
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| 175 | $return['count']['video']++; |
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| 176 | } |
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| 177 | } |
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| 178 | } |
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| 179 | |||
| 180 | // Do we really want to make the video the primary focus of the post? |
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| 181 | if ( 'video' == $return['type'] ) { |
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| 182 | $content = wpautop( strip_tags( $post->post_content ) ); |
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| 183 | $paragraphs = explode( '</p>', $content ); |
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| 184 | $number_of_paragraphs = 0; |
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| 185 | |||
| 186 | foreach ( $paragraphs as $i => $paragraph ) { |
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| 187 | // Don't include blank lines as a paragraph |
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| 188 | if ( '' == trim( $paragraph ) ) { |
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| 189 | unset( $paragraphs[$i] ); |
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| 190 | continue; |
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| 191 | } |
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| 192 | $number_of_paragraphs++; |
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| 193 | } |
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| 194 | |||
| 195 | $number_of_paragraphs = $number_of_paragraphs - $return['count']['video']; // subtract amount for videos.. |
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| 196 | |||
| 197 | // More than 2 paragraph? The video is not the primary focus so we can do some more analysis |
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| 198 | if ( $number_of_paragraphs > 2 ) |
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| 199 | $return['type'] = 'standard'; |
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| 200 | } |
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| 201 | |||
| 202 | // If we don't have any prioritized embed... |
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| 203 | if ( 'standard' == $return['type'] ) { |
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| 204 | if ( ( ! empty( $extract['has']['gallery'] ) || ! empty( $extract['shortcode']['gallery']['count'] ) ) && ! empty( $extract['image'] ) ) { |
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| 205 | //... Then we prioritize galleries first (multiple images returned) |
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| 206 | $return['type'] = 'gallery'; |
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| 207 | $return['images'] = $extract['image']; |
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| 208 | foreach ( $return['images'] as $image ) { |
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| 209 | $return['secure']['images'][] = array( 'url' => self::ssl_img( $image['url'] ) ); |
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| 210 | $return['count']['image']++; |
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| 211 | } |
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| 212 | } else if ( ! empty( $extract['has']['image'] ) ) { |
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| 213 | // ... Or we try and select a single image that would make sense |
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| 214 | $content = wpautop( strip_tags( $post->post_content ) ); |
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| 215 | $paragraphs = explode( '</p>', $content ); |
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| 216 | $number_of_paragraphs = 0; |
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| 217 | |||
| 218 | foreach ( $paragraphs as $i => $paragraph ) { |
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| 219 | // Don't include 'actual' captions as a paragraph |
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| 220 | if ( false !== strpos( $paragraph, '[caption' ) ) { |
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| 221 | unset( $paragraphs[$i] ); |
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| 222 | continue; |
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| 223 | } |
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| 224 | // Don't include blank lines as a paragraph |
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| 225 | if ( '' == trim( $paragraph ) ) { |
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| 226 | unset( $paragraphs[$i] ); |
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| 227 | continue; |
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| 228 | } |
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| 229 | $number_of_paragraphs++; |
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| 230 | } |
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| 231 | |||
| 232 | $return['image'] = $extract['image'][0]['url']; |
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| 233 | $return['secure']['image'] = self::ssl_img( $return['image'] ); |
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| 234 | $return['count']['image']++; |
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| 235 | |||
| 236 | if ( $number_of_paragraphs <= 2 && 1 == count( $extract['image'] ) ) { |
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| 237 | // If we have lots of text or images, let's not treat it as an image post, but return its first image |
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| 238 | $return['type'] = 'image'; |
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| 239 | } |
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| 240 | } |
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| 241 | } |
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| 242 | |||
| 243 | if ( $switched ) { |
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| 244 | restore_current_blog(); |
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| 245 | } |
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| 246 | |||
| 247 | /** |
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| 248 | * Allow a theme or plugin to inspect and ultimately change the media summary. |
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| 249 | * |
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| 250 | * @since 4.4.0 |
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| 251 | * |
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| 252 | * @param array $data The calculated media summary data. |
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| 253 | * @param int $post_id The id of the post this data applies to. |
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| 254 | */ |
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| 255 | $return = apply_filters( 'jetpack_media_summary_output', $return, $post_id ); |
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| 256 | |||
| 257 | self::$cache[ $cache_key ] = $return; |
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| 258 | |||
| 259 | return $return; |
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| 260 | } |
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| 261 | |||
| 262 | static function https( $str ) { |
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| 263 | return str_replace( 'http://', 'https://', $str ); |
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| 264 | } |
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| 265 | |||
| 266 | static function ssl_img( $url ) { |
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| 267 | if ( false !== strpos( $url, 'files.wordpress.com' ) ) { |
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| 268 | return self::https( $url ); |
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| 269 | } else { |
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| 270 | return self::https( jetpack_photon_url( $url ) ); |
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| 271 | } |
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| 272 | } |
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| 273 | |||
| 274 | static function get_video_poster( $type, $id ) { |
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| 275 | if ( 'videopress' == $type ) { |
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| 276 | if ( function_exists( 'video_get_highest_resolution_image_url' ) ) { |
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| 277 | return video_get_highest_resolution_image_url( $id ); |
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| 278 | } else if ( class_exists( 'VideoPress_Video' ) ) { |
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| 279 | $video = new VideoPress_Video( $id ); |
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| 280 | return $video->poster_frame_uri; |
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| 281 | } |
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| 282 | } else if ( 'youtube' == $type ) { |
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| 283 | return 'http://img.youtube.com/vi/'.$id.'/0.jpg'; |
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| 284 | } |
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| 285 | } |
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| 286 | |||
| 287 | static function clean_text( $text ) { |
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| 288 | return trim( |
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| 289 | preg_replace( |
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| 290 | '/[\s]+/', |
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| 291 | ' ', |
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| 292 | preg_replace( |
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| 293 | '@https?://[\S]+@', |
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| 294 | '', |
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| 295 | strip_shortcodes( |
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| 296 | strip_tags( |
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| 297 | $text |
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| 298 | ) |
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| 299 | ) |
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| 300 | ) |
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| 301 | ) |
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| 302 | ); |
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| 303 | } |
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| 304 | |||
| 305 | /** |
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| 306 | * Retrieve an excerpt for the post summary. |
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| 307 | * |
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| 308 | * This function works around a suspected problem with Core. If resolved, this function should be simplified. |
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| 309 | * @link https://github.com/Automattic/jetpack/pull/8510 |
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| 310 | * @link https://core.trac.wordpress.org/ticket/42814 |
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| 311 | * |
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| 312 | * @param string $post_content The post's content. |
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| 313 | * @param string $post_excerpt The post's excerpt. Empty if none was explicitly set. |
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| 314 | * @param int $max_words Maximum number of words for the excerpt. Used on wp.com. Default 16. |
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| 315 | * @param int $max_chars Maximum characters in the excerpt. Used on wp.com. Default 256. |
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| 316 | * @param WP_Post $requested_post The post object. |
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| 317 | * @return string Post excerpt. |
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| 318 | **/ |
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| 319 | static function get_excerpt( $post_content, $post_excerpt, $max_words = 16, $max_chars = 256, $requested_post = null ) { |
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| 320 | global $post; |
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| 321 | $original_post = $post; // Saving the global for later use. |
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| 322 | if ( function_exists( 'wpcom_enhanced_excerpt_extract_excerpt' ) ) { |
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| 323 | return self::clean_text( wpcom_enhanced_excerpt_extract_excerpt( array( |
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| 324 | 'text' => $post_content, |
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| 325 | 'excerpt_only' => true, |
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| 326 | 'show_read_more' => false, |
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| 327 | 'max_words' => $max_words, |
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| 328 | 'max_chars' => $max_chars, |
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| 329 | 'read_more_threshold' => 25, |
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| 330 | ) ) ); |
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| 331 | } elseif ( $requested_post instanceof WP_Post ) { |
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| 332 | $post = $requested_post; // setup_postdata does not set the global. |
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| 333 | setup_postdata( $post ); |
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| 334 | /** This filter is documented in core/src/wp-includes/post-template.php */ |
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| 335 | $post_excerpt = apply_filters( 'get_the_excerpt', $post_excerpt, $post ); |
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| 336 | $post = $original_post; // wp_reset_postdata uses the $post global. |
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| 337 | wp_reset_postdata(); |
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| 338 | return self::clean_text( $post_excerpt ); |
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| 339 | } |
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| 340 | return ''; |
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| 341 | } |
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| 342 | |||
| 343 | /** |
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| 344 | * Split a string into an array of words. |
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| 345 | * |
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| 346 | * @param string $text Post content or excerpt. |
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| 347 | */ |
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| 348 | static function split_content_in_words( $text ) { |
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| 349 | $words = preg_split( '/[\s!?;,.]+/', $text, null, PREG_SPLIT_NO_EMPTY ); |
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| 350 | |||
| 351 | // Return an empty array if the split above fails. |
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| 352 | return $words ? $words : array(); |
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| 353 | } |
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| 354 | |||
| 355 | static function get_word_count( $post_content ) { |
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| 356 | return (int) count( self::split_content_in_words( self::clean_text( $post_content ) ) ); |
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| 357 | } |
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| 358 | |||
| 359 | static function get_word_remaining_count( $post_content, $excerpt_content ) { |
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| 360 | $content_word_count = count( self::split_content_in_words( self::clean_text( $post_content ) ) ); |
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| 361 | $excerpt_word_count = count( self::split_content_in_words( self::clean_text( $excerpt_content ) ) ); |
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| 362 | |||
| 363 | return (int) $content_word_count - $excerpt_word_count; |
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| 364 | } |
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| 365 | |||
| 366 | static function get_link_count( $post_content ) { |
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| 367 | return preg_match_all( '/\<a[\> ]/', $post_content, $matches ); |
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| 368 | } |
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| 369 | } |
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| 370 |
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: