| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* Useful for finding an image to display alongside/in representation of a specific post. |
| 5 |
* |
| 6 |
* Includes a few different methods, all of which return a similar-format array containing |
| 7 |
* details of any images found. Everything can (should) be called statically, it's just a |
| 8 |
* function-bucket. You can also call Jetpack_PostImages::get_image() to cycle through all of the methods until |
| 9 |
* one of them finds something useful. |
| 10 |
* |
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* This file is included verbatim in Jetpack |
| 12 |
*/ |
| 13 |
class Jetpack_PostImages { |
| 14 |
/** |
| 15 |
* If a slideshow is embedded within a post, then parse out the images involved and return them |
| 16 |
*/ |
| 17 |
static function from_slideshow( $post_id, $width = 200, $height = 200 ) { |
| 18 |
$images = array(); |
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|
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$post = get_post( $post_id ); |
| 21 |
|
| 22 |
if ( ! $post ) { |
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return $images; |
| 24 |
} |
| 25 |
|
| 26 |
if ( ! empty( $post->post_password ) ) { |
| 27 |
return $images; |
| 28 |
} |
| 29 |
|
| 30 |
if ( false === has_shortcode( $post->post_content, 'slideshow' ) ) { |
| 31 |
return $images; // no slideshow - bail |
| 32 |
} |
| 33 |
|
| 34 |
$permalink = get_permalink( $post->ID ); |
| 35 |
|
| 36 |
// Mechanic: Somebody set us up the bomb |
| 37 |
$old_post = $GLOBALS['post']; |
| 38 |
$GLOBALS['post'] = $post; |
| 39 |
$old_shortcodes = $GLOBALS['shortcode_tags']; |
| 40 |
$GLOBALS['shortcode_tags'] = array( 'slideshow' => $old_shortcodes['slideshow'] ); |
| 41 |
|
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// Find all the slideshows |
| 43 |
preg_match_all( '/' . get_shortcode_regex() . '/sx', $post->post_content, $slideshow_matches, PREG_SET_ORDER ); |
| 44 |
|
| 45 |
ob_start(); // The slideshow shortcode handler calls wp_print_scripts and wp_print_styles... not too happy about that |
| 46 |
|
| 47 |
foreach ( $slideshow_matches as $slideshow_match ) { |
| 48 |
$slideshow = do_shortcode_tag( $slideshow_match ); |
| 49 |
if ( false === $pos = stripos( $slideshow, 'jetpack-slideshow' ) ) // must be something wrong - or we changed the output format in which case none of the following will work |
| 50 |
continue; |
| 51 |
$start = strpos( $slideshow, '[', $pos ); |
| 52 |
$end = strpos( $slideshow, ']', $start ); |
| 53 |
$post_images = json_decode( wp_specialchars_decode( str_replace( "'", '"', substr( $slideshow, $start, $end - $start + 1 ) ), ENT_QUOTES ) ); // parse via JSON |
| 54 |
// If the JSON didn't decode don't try and act on it. |
| 55 |
if ( is_array( $post_images ) ) { |
| 56 |
foreach ( $post_images as $post_image ) { |
| 57 |
if ( !$post_image_id = absint( $post_image->id ) ) |
| 58 |
continue; |
| 59 |
|
| 60 |
$meta = wp_get_attachment_metadata( $post_image_id ); |
| 61 |
|
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// Must be larger than 200x200 (or user-specified) |
| 63 |
if ( !isset( $meta['width'] ) || $meta['width'] < $width ) |
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continue; |
| 65 |
if ( !isset( $meta['height'] ) || $meta['height'] < $height ) |
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continue; |
| 67 |
|
| 68 |
$url = wp_get_attachment_url( $post_image_id ); |
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|
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$images[] = array( |
| 71 |
'type' => 'image', |
| 72 |
'from' => 'slideshow', |
| 73 |
'src' => $url, |
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'src_width' => $meta['width'], |
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'src_height' => $meta['height'], |
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'href' => $permalink, |
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); |
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} |
| 79 |
} |
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} |
| 81 |
ob_end_clean(); |
| 82 |
|
| 83 |
// Operator: Main screen turn on |
| 84 |
$GLOBALS['shortcode_tags'] = $old_shortcodes; |
| 85 |
$GLOBALS['post'] = $old_post; |
| 86 |
|
| 87 |
return $images; |
| 88 |
} |
| 89 |
|
| 90 |
/** |
| 91 |
* If a gallery is detected, then get all the images from it. |
| 92 |
*/ |
| 93 |
static function from_gallery( $post_id ) { |
| 94 |
$images = array(); |
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|
| 96 |
$post = get_post( $post_id ); |
| 97 |
|
| 98 |
if ( ! $post ) { |
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return $images; |
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} |
| 101 |
|
| 102 |
if ( ! empty( $post->post_password ) ) { |
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return $images; |
| 104 |
} |
| 105 |
|
| 106 |
$permalink = get_permalink( $post->ID ); |
| 107 |
|
| 108 |
/** |
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* Juggle global post object because the gallery shortcode uses the |
| 110 |
* global object. |
| 111 |
* |
| 112 |
* See core ticket: |
| 113 |
* https://core.trac.wordpress.org/ticket/39304 |
| 114 |
*/ |
| 115 |
if ( isset( $GLOBALS['post'] ) ) { |
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$juggle_post = $GLOBALS['post']; |
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$GLOBALS['post'] = $post; |
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$galleries = get_post_galleries( $post->ID, false ); |
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$GLOBALS['post'] = $juggle_post; |
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} else { |
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$GLOBALS['post'] = $post; |
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$galleries = get_post_galleries( $post->ID, false ); |
| 123 |
unset( $GLOBALS['post'] ); |
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} |
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|
| 126 |
foreach ( $galleries as $gallery ) { |
| 127 |
if ( isset( $gallery['type'] ) && 'slideshow' === $gallery['type'] && ! empty( $gallery['ids'] ) ) { |
| 128 |
$image_ids = explode( ',', $gallery['ids'] ); |
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$image_size = isset( $gallery['size'] ) ? $gallery['size'] : 'thumbnail'; |
| 130 |
foreach ( $image_ids as $image_id ) { |
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$image = wp_get_attachment_image_src( $image_id, $image_size ); |
| 132 |
if ( ! empty( $image[0] ) ) { |
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list( $raw_src ) = explode( '?', $image[0] ); // pull off any Query string (?w=250) |
| 134 |
$raw_src = wp_specialchars_decode( $raw_src ); // rawify it |
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$raw_src = esc_url_raw( $raw_src ); // clean it |
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$images[] = array( |
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'type' => 'image', |
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'from' => 'gallery', |
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'src' => $raw_src, |
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'href' => $permalink, |
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); |
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} |
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} |
| 144 |
} elseif ( ! empty( $gallery['src'] ) ) { |
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foreach ( $gallery['src'] as $src ) { |
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list( $raw_src ) = explode( '?', $src ); // pull off any Query string (?w=250) |
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$raw_src = wp_specialchars_decode( $raw_src ); // rawify it |
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$raw_src = esc_url_raw( $raw_src ); // clean it |
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$images[] = array( |
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'type' => 'image', |
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'from' => 'gallery', |
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'src' => $raw_src, |
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'href' => $permalink, |
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); |
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} |
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} |
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} |
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|
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return $images; |
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} |
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|
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/** |
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* Get attachment images for a specified post and return them. Also make sure |
| 164 |
* their dimensions are at or above a required minimum. |
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*/ |
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static function from_attachment( $post_id, $width = 200, $height = 200 ) { |
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$images = array(); |
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|
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$post = get_post( $post_id ); |
| 170 |
|
| 171 |
if ( ! empty( $post->post_password ) ) { |
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return $images; |
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} |
| 174 |
|
| 175 |
$post_images = get_posts( array( |
| 176 |
'post_parent' => $post_id, // Must be children of post |
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'numberposts' => 5, // No more than 5 |
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'post_type' => 'attachment', // Must be attachments |
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'post_mime_type' => 'image', // Must be images |
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'suppress_filters' => false, |
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) ); |
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|
| 183 |
if ( ! $post_images ) { |
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return $images; |
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} |
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|
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$permalink = get_permalink( $post_id ); |
| 188 |
|
| 189 |
foreach ( $post_images as $post_image ) { |
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$meta = wp_get_attachment_metadata( $post_image->ID ); |
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// Must be larger than 200x200 |
| 192 |
if ( !isset( $meta['width'] ) || $meta['width'] < $width ) |
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continue; |
| 194 |
if ( !isset( $meta['height'] ) || $meta['height'] < $height ) |
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continue; |
| 196 |
|
| 197 |
$url = wp_get_attachment_url( $post_image->ID ); |
| 198 |
|
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$images[] = array( |
| 200 |
'type' => 'image', |
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'from' => 'attachment', |
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'src' => $url, |
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'src_width' => $meta['width'], |
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'src_height' => $meta['height'], |
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'href' => $permalink, |
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); |
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} |
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|
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/* |
| 210 |
* We only want to pass back attached images that were actually inserted. |
| 211 |
* We can load up all the images found in the HTML source and then |
| 212 |
* compare URLs to see if an image is attached AND inserted. |
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*/ |
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$html_images = self::from_html( $post_id ); |
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$inserted_images = array(); |
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|
| 217 |
foreach( $html_images as $html_image ) { |
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$src = parse_url( $html_image['src'] ); |
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// strip off any query strings from src |
| 220 |
if( ! empty( $src['scheme'] ) && ! empty( $src['host'] ) ) { |
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$inserted_images[] = $src['scheme'] . '://' . $src['host'] . $src['path']; |
| 222 |
} elseif( ! empty( $src['host'] ) ) { |
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$inserted_images[] = set_url_scheme( 'http://' . $src['host'] . $src['path'] ); |
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} else { |
| 225 |
$inserted_images[] = site_url( '/' ) . $src['path']; |
| 226 |
} |
| 227 |
} |
| 228 |
foreach( $images as $i => $image ) { |
| 229 |
if ( !in_array( $image['src'], $inserted_images ) ) |
| 230 |
unset( $images[$i] ); |
| 231 |
} |
| 232 |
|
| 233 |
return $images; |
| 234 |
} |
| 235 |
|
| 236 |
/** |
| 237 |
* Check if a Featured Image is set for this post, and return it in a similar |
| 238 |
* format to the other images?_from_*() methods. |
| 239 |
* @param int $post_id The post ID to check |
| 240 |
* @return Array containing details of the Featured Image, or empty array if none. |
| 241 |
*/ |
| 242 |
static function from_thumbnail( $post_id, $width = 200, $height = 200 ) { |
| 243 |
$images = array(); |
| 244 |
|
| 245 |
$post = get_post( $post_id ); |
| 246 |
|
| 247 |
if ( ! empty( $post->post_password ) ) { |
| 248 |
return $images; |
| 249 |
} |
| 250 |
|
| 251 |
if ( ! function_exists( 'get_post_thumbnail_id' ) ) { |
| 252 |
return $images; |
| 253 |
} |
| 254 |
|
| 255 |
$thumb = get_post_thumbnail_id( $post_id ); |
| 256 |
|
| 257 |
if ( $thumb ) { |
| 258 |
$meta = wp_get_attachment_metadata( $thumb ); |
| 259 |
// Must be larger than requested minimums |
| 260 |
if ( !isset( $meta['width'] ) || $meta['width'] < $width ) |
| 261 |
return $images; |
| 262 |
if ( !isset( $meta['height'] ) || $meta['height'] < $height ) |
| 263 |
return $images; |
| 264 |
|
| 265 |
$too_big = ( ( ! empty( $meta['width'] ) && $meta['width'] > 1200 ) || ( ! empty( $meta['height'] ) && $meta['height'] > 1200 ) ); |
| 266 |
|
| 267 |
if ( |
| 268 |
$too_big && |
| 269 |
( |
| 270 |
( method_exists( 'Jetpack', 'is_module_active' ) && Jetpack::is_module_active( 'photon' ) ) || |
| 271 |
( defined( 'IS_WPCOM' ) && IS_WPCOM ) |
| 272 |
) |
| 273 |
) { |
| 274 |
$img_src = wp_get_attachment_image_src( $thumb, array( 1200, 1200 ) ); |
| 275 |
} else { |
| 276 |
$img_src = wp_get_attachment_image_src( $thumb, 'full' ); |
| 277 |
} |
| 278 |
if ( ! is_array( $img_src ) ) { |
| 279 |
// If wp_get_attachment_image_src returns false but we know that there should be an image that could be used. |
| 280 |
// we try a bit harder and user the data that we have. |
| 281 |
$thumb_post_data = get_post( $thumb ); |
| 282 |
$img_src = array( $thumb_post_data->guid, $meta['width'], $meta['height'] ); |
| 283 |
} |
| 284 |
|
| 285 |
$url = $img_src[0]; |
| 286 |
$images = array( array( // Other methods below all return an array of arrays |
| 287 |
'type' => 'image', |
| 288 |
'from' => 'thumbnail', |
| 289 |
'src' => $url, |
| 290 |
'src_width' => $img_src[1], |
| 291 |
'src_height' => $img_src[2], |
| 292 |
'href' => get_permalink( $thumb ), |
| 293 |
) ); |
| 294 |
|
| 295 |
} |
| 296 |
|
| 297 |
if ( empty( $images ) && ( defined( 'IS_WPCOM' ) && IS_WPCOM ) ) { |
| 298 |
$meta_thumbnail = get_post_meta( $post_id, '_jetpack_post_thumbnail', true ); |
| 299 |
if ( ! empty( $meta_thumbnail ) ) { |
| 300 |
if ( ! isset( $meta_thumbnail['width'] ) || $meta_thumbnail['width'] < $width ) { |
| 301 |
return $images; |
| 302 |
} |
| 303 |
|
| 304 |
if ( ! isset( $meta_thumbnail['height'] ) || $meta_thumbnail['height'] < $height ) { |
| 305 |
return $images; |
| 306 |
} |
| 307 |
|
| 308 |
$images = array( array( // Other methods below all return an array of arrays |
| 309 |
'type' => 'image', |
| 310 |
'from' => 'thumbnail', |
| 311 |
'src' => $meta_thumbnail['URL'], |
| 312 |
'src_width' => $meta_thumbnail['width'], |
| 313 |
'src_height' => $meta_thumbnail['height'], |
| 314 |
'href' => $meta_thumbnail['URL'], |
| 315 |
) ); |
| 316 |
} |
| 317 |
} |
| 318 |
|
| 319 |
return $images; |
| 320 |
} |
| 321 |
|
| 322 |
/** |
| 323 |
* Very raw -- just parse the HTML and pull out any/all img tags and return their src |
| 324 |
* |
| 325 |
* @param mixed $html_or_id The HTML string to parse for images, or a post id. |
| 326 |
* @param int $width Minimum Image width. |
| 327 |
* @param int $height Minimum Image height. |
| 328 |
* |
| 329 |
* @uses DOMDocument |
| 330 |
* |
| 331 |
* @return Array containing images |
| 332 |
*/ |
| 333 |
static function from_html( $html_or_id, $width = 200, $height = 200 ) { |
| 334 |
$images = array(); |
| 335 |
|
| 336 |
if ( is_numeric( $html_or_id ) ) { |
| 337 |
$post = get_post( $html_or_id ); |
| 338 |
|
| 339 |
if ( empty( $post ) || ! empty( $post->post_password ) ) { |
| 340 |
return $images; |
| 341 |
} |
| 342 |
|
| 343 |
$html = $post->post_content; // DO NOT apply the_content filters here, it will cause loops. |
| 344 |
} else { |
| 345 |
$html = $html_or_id; |
| 346 |
} |
| 347 |
|
| 348 |
if ( ! $html ) { |
| 349 |
return $images; |
| 350 |
} |
| 351 |
|
| 352 |
// Do not go any further if DOMDocument is disabled on the server. |
| 353 |
if ( ! class_exists( 'DOMDocument' ) ) { |
| 354 |
return $images; |
| 355 |
} |
| 356 |
|
| 357 |
// Let's grab all image tags from the HTML. |
| 358 |
$dom_doc = new DOMDocument; |
| 359 |
|
| 360 |
// The @ is not enough to suppress errors when dealing with libxml, |
| 361 |
// we have to tell it directly how we want to handle errors. |
| 362 |
libxml_use_internal_errors( true ); |
| 363 |
@$dom_doc->loadHTML( $html ); |
| 364 |
libxml_use_internal_errors( false ); |
| 365 |
|
| 366 |
$image_tags = $dom_doc->getElementsByTagName( 'img' ); |
| 367 |
|
| 368 |
// For each image Tag, make sure it can be added to the $images array, and add it. |
| 369 |
foreach ( $image_tags as $image_tag ) { |
| 370 |
$img_src = $image_tag->getAttribute( 'src' ); |
| 371 |
|
| 372 |
if ( empty( $img_src ) ) { |
| 373 |
continue; |
| 374 |
} |
| 375 |
|
| 376 |
// Do not grab smiley images that were automatically created by WP when entering text smilies. |
| 377 |
if ( stripos( $img_src, '/smilies/' ) ) { |
| 378 |
continue; |
| 379 |
} |
| 380 |
|
| 381 |
$meta = array( |
| 382 |
'width' => (int) $image_tag->getAttribute( 'width' ), |
| 383 |
'height' => (int) $image_tag->getAttribute( 'height' ), |
| 384 |
); |
| 385 |
|
| 386 |
// Must be larger than 200x200 (or user-specified). |
| 387 |
if ( empty( $meta['width'] ) || $meta['width'] < $width ) { |
| 388 |
continue; |
| 389 |
} |
| 390 |
if ( empty( $meta['height'] ) || $meta['height'] < $height ) { |
| 391 |
continue; |
| 392 |
} |
| 393 |
|
| 394 |
$images[] = array( |
| 395 |
'type' => 'image', |
| 396 |
'from' => 'html', |
| 397 |
'src' => $img_src, |
| 398 |
'src_width' => $meta['width'], |
| 399 |
'src_height' => $meta['height'], |
| 400 |
'href' => '', // No link to apply to these. Might potentially parse for that as well, but not for now. |
| 401 |
); |
| 402 |
} |
| 403 |
return $images; |
| 404 |
} |
| 405 |
|
| 406 |
/** |
| 407 |
* @param int $post_id The post ID to check |
| 408 |
* @param int $size |
| 409 |
* @return Array containing details of the image, or empty array if none. |
| 410 |
*/ |
| 411 |
static function from_blavatar( $post_id, $size = 96 ) { |
| 412 |
|
| 413 |
$permalink = get_permalink( $post_id ); |
| 414 |
|
| 415 |
if ( function_exists( 'blavatar_domain' ) && function_exists( 'blavatar_exists' ) && function_exists( 'blavatar_url' ) ) { |
| 416 |
$domain = blavatar_domain( $permalink ); |
| 417 |
|
| 418 |
if ( ! blavatar_exists( $domain ) ) { |
| 419 |
return array(); |
| 420 |
} |
| 421 |
|
| 422 |
$url = blavatar_url( $domain, 'img', $size ); |
| 423 |
} elseif ( function_exists( 'has_site_icon' ) && has_site_icon() ) { |
| 424 |
$url = get_site_icon_url( $size ); |
| 425 |
} else { |
| 426 |
return array(); |
| 427 |
} |
| 428 |
|
| 429 |
return array( array( |
| 430 |
'type' => 'image', |
| 431 |
'from' => 'blavatar', |
| 432 |
'src' => $url, |
| 433 |
'src_width' => $size, |
| 434 |
'src_height' => $size, |
| 435 |
'href' => $permalink, |
| 436 |
) ); |
| 437 |
} |
| 438 |
|
| 439 |
/** |
| 440 |
* Gets a post image from the author avatar. |
| 441 |
* |
| 442 |
* @param int $post_id The post ID to check. |
| 443 |
* @param int $size The size of the avatar to get. |
| 444 |
* @param string $default The default image to use. |
| 445 |
* @return Array containing details of the image, or empty array if none. |
| 446 |
*/ |
| 447 |
static function from_gravatar( $post_id, $size = 96, $default = false ) { |
| 448 |
$post = get_post( $post_id ); |
| 449 |
$permalink = get_permalink( $post_id ); |
| 450 |
|
| 451 |
if ( function_exists( 'wpcom_get_avatar_url' ) ) { |
| 452 |
$url = wpcom_get_avatar_url( $post->post_author, $size, $default, true ); |
| 453 |
if ( $url && is_array( $url ) ) { |
| 454 |
$url = $url[0]; |
| 455 |
} |
| 456 |
} else { |
| 457 |
$url = get_avatar_url( $post->post_author, array( |
| 458 |
'size' => $size, |
| 459 |
'default' => $default, |
| 460 |
) ); |
| 461 |
} |
| 462 |
|
| 463 |
return array( |
| 464 |
array( |
| 465 |
'type' => 'image', |
| 466 |
'from' => 'gravatar', |
| 467 |
'src' => $url, |
| 468 |
'src_width' => $size, |
| 469 |
'src_height' => $size, |
| 470 |
'href' => $permalink, |
| 471 |
), |
| 472 |
); |
| 473 |
} |
| 474 |
|
| 475 |
/** |
| 476 |
* Run through the different methods that we have available to try to find a single good |
| 477 |
* display image for this post. |
| 478 |
* @param int $post_id |
| 479 |
* @param array $args Other arguments (currently width and height required for images where possible to determine) |
| 480 |
* @return Array containing details of the best image to be used |
| 481 |
*/ |
| 482 |
static function get_image( $post_id, $args = array() ) { |
| 483 |
$image = ''; |
| 484 |
|
| 485 |
/** |
| 486 |
* Fires before we find a single good image for a specific post. |
| 487 |
* |
| 488 |
* @since 2.2.0 |
| 489 |
* |
| 490 |
* @param int $post_id Post ID. |
| 491 |
*/ |
| 492 |
do_action( 'jetpack_postimages_pre_get_image', $post_id ); |
| 493 |
$media = self::get_images( $post_id, $args ); |
| 494 |
|
| 495 |
|
| 496 |
if ( is_array( $media ) ) { |
| 497 |
foreach ( $media as $item ) { |
| 498 |
if ( 'image' == $item['type'] ) { |
| 499 |
$image = $item; |
| 500 |
break; |
| 501 |
} |
| 502 |
} |
| 503 |
} |
| 504 |
|
| 505 |
/** |
| 506 |
* Fires after we find a single good image for a specific post. |
| 507 |
* |
| 508 |
* @since 2.2.0 |
| 509 |
* |
| 510 |
* @param int $post_id Post ID. |
| 511 |
*/ |
| 512 |
do_action( 'jetpack_postimages_post_get_image', $post_id ); |
| 513 |
|
| 514 |
return $image; |
| 515 |
} |
| 516 |
|
| 517 |
/** |
| 518 |
* Get an array containing a collection of possible images for this post, stopping once we hit a method |
| 519 |
* that returns something useful. |
| 520 |
* @param int $post_id |
| 521 |
* @param array $args Optional args, see defaults list for details |
| 522 |
* @return Array containing images that would be good for representing this post |
| 523 |
*/ |
| 524 |
static function get_images( $post_id, $args = array() ) { |
| 525 |
// Figure out which image to attach to this post. |
| 526 |
$media = false; |
| 527 |
|
| 528 |
/** |
| 529 |
* Filters the array of images that would be good for a specific post. |
| 530 |
* This filter is applied before options ($args) filter the original array. |
| 531 |
* |
| 532 |
* @since 2.0.0 |
| 533 |
* |
| 534 |
* @param array $media Array of images that would be good for a specific post. |
| 535 |
* @param int $post_id Post ID. |
| 536 |
* @param array $args Array of options to get images. |
| 537 |
*/ |
| 538 |
$media = apply_filters( 'jetpack_images_pre_get_images', $media, $post_id, $args ); |
| 539 |
if ( $media ) |
| 540 |
return $media; |
| 541 |
|
| 542 |
$defaults = array( |
| 543 |
'width' => 200, // Required minimum width (if possible to determine) |
| 544 |
'height' => 200, // Required minimum height (if possible to determine) |
| 545 |
|
| 546 |
'fallback_to_avatars' => false, // Optionally include Blavatar and Gravatar (in that order) in the image stack |
| 547 |
'avatar_size' => 96, // Used for both Grav and Blav |
| 548 |
'gravatar_default' => false, // Default image to use if we end up with no Gravatar |
| 549 |
|
| 550 |
'from_thumbnail' => true, // Use these flags to specify which methods to use to find an image |
| 551 |
'from_slideshow' => true, |
| 552 |
'from_gallery' => true, |
| 553 |
'from_attachment' => true, |
| 554 |
'from_html' => true, |
| 555 |
|
| 556 |
'html_content' => '' // HTML string to pass to from_html() |
| 557 |
); |
| 558 |
$args = wp_parse_args( $args, $defaults ); |
| 559 |
|
| 560 |
$media = false; |
| 561 |
if ( $args['from_thumbnail'] ) |
| 562 |
$media = self::from_thumbnail( $post_id, $args['width'], $args['height'] ); |
| 563 |
if ( !$media && $args['from_slideshow'] ) |
| 564 |
$media = self::from_slideshow( $post_id, $args['width'], $args['height'] ); |
| 565 |
if ( !$media && $args['from_gallery'] ) |
| 566 |
$media = self::from_gallery( $post_id ); |
| 567 |
if ( !$media && $args['from_attachment'] ) |
| 568 |
$media = self::from_attachment( $post_id, $args['width'], $args['height'] ); |
| 569 |
if ( !$media && $args['from_html'] ) { |
| 570 |
if ( empty( $args['html_content'] ) ) |
| 571 |
$media = self::from_html( $post_id, $args['width'], $args['height'] ); // Use the post_id, which will load the content |
| 572 |
else |
| 573 |
$media = self::from_html( $args['html_content'], $args['width'], $args['height'] ); // If html_content is provided, use that |
| 574 |
} |
| 575 |
|
| 576 |
if ( !$media && $args['fallback_to_avatars'] ) { |
| 577 |
$media = self::from_blavatar( $post_id, $args['avatar_size'] ); |
| 578 |
if ( !$media ) |
| 579 |
$media = self::from_gravatar( $post_id, $args['avatar_size'], $args['gravatar_default'] ); |
| 580 |
} |
| 581 |
|
| 582 |
/** |
| 583 |
* Filters the array of images that would be good for a specific post. |
| 584 |
* This filter is applied after options ($args) filter the original array. |
| 585 |
* |
| 586 |
* @since 2.0.0 |
| 587 |
* |
| 588 |
* @param array $media Array of images that would be good for a specific post. |
| 589 |
* @param int $post_id Post ID. |
| 590 |
* @param array $args Array of options to get images. |
| 591 |
*/ |
| 592 |
return apply_filters( 'jetpack_images_get_images', $media, $post_id, $args ); |
| 593 |
} |
| 594 |
|
| 595 |
/** |
| 596 |
* Takes an image URL and pixel dimensions then returns a URL for the |
| 597 |
* resized and cropped image. |
| 598 |
* |
| 599 |
* @param string $src |
| 600 |
* @param int $dimension |
| 601 |
* @return string Transformed image URL |
| 602 |
*/ |
| 603 |
static function fit_image_url( $src, $width, $height ) { |
| 604 |
$width = (int) $width; |
| 605 |
$height = (int) $height; |
| 606 |
|
| 607 |
if ( $width < 1 || $height < 1 ) { |
| 608 |
return $src; |
| 609 |
} |
| 610 |
|
| 611 |
// See if we should bypass WordPress.com SaaS resizing |
| 612 |
if ( has_filter( 'jetpack_images_fit_image_url_override' ) ) { |
| 613 |
/** |
| 614 |
* Filters the image URL used after dimensions are set by Photon. |
| 615 |
* |
| 616 |
* @since 3.3.0 |
| 617 |
* |
| 618 |
* @param string $src Image URL. |
| 619 |
* @param int $width Image width. |
| 620 |
* @param int $width Image height. |
| 621 |
*/ |
| 622 |
return apply_filters( 'jetpack_images_fit_image_url_override', $src, $width, $height ); |
| 623 |
} |
| 624 |
|
| 625 |
// If WPCOM hosted image use native transformations |
| 626 |
$img_host = parse_url( $src, PHP_URL_HOST ); |
| 627 |
if ( '.files.wordpress.com' == substr( $img_host, -20 ) ) { |
| 628 |
return add_query_arg( array( 'w' => $width, 'h' => $height, 'crop' => 1 ), set_url_scheme( $src ) ); |
| 629 |
} |
| 630 |
|
| 631 |
// Use Photon magic |
| 632 |
if( function_exists( 'jetpack_photon_url' ) ) { |
| 633 |
return jetpack_photon_url( $src, array( 'resize' => "$width,$height" ) ); |
| 634 |
} |
| 635 |
|
| 636 |
// Arg... no way to resize image using WordPress.com infrastructure! |
| 637 |
return $src; |
| 638 |
} |
| 639 |
} |
| 640 |
|
