| 1 |
<?php |
| 2 |
/** |
| 3 |
* Plugin Name: Open Graph |
| 4 |
* Plugin URI: https://wordpress.org/plugins/opengraph |
| 5 |
* Description: Adds Open Graph metadata to your pages |
| 6 |
* Author: Will Norris |
| 7 |
* Author URI: https://willnorris.com/ |
| 8 |
* Version: 1.11.1 |
| 9 |
* License: Apache License, Version 2.0 |
| 10 |
* License URI: http://www.apache.org/licenses/LICENSE-2.0.html |
| 11 |
* Text Domain: opengraph |
| 12 |
*/ |
| 13 |
|
| 14 |
|
| 15 |
// If you have the opengraph plugin running alongside jetpack, we assume you'd |
| 16 |
// rather use our opengraph support, so disable jetpack's opengraph functionality. |
| 17 |
add_filter( 'jetpack_enable_opengraph', '__return_false' ); |
| 18 |
add_filter( 'jetpack_enable_open_graph', '__return_false' ); |
| 19 |
|
| 20 |
|
| 21 |
// Disable strict mode by default. |
| 22 |
if ( ! defined( 'OPENGRAPH_STRICT_MODE' ) ) { |
| 23 |
define( 'OPENGRAPH_STRICT_MODE', false ); |
| 24 |
} |
| 25 |
|
| 26 |
|
| 27 |
/** |
| 28 |
* Add Open Graph XML prefix to <html> element. |
| 29 |
* |
| 30 |
* @uses apply_filters calls 'opengraph_prefixes' filter on RDFa prefix array |
| 31 |
*/ |
| 32 |
function opengraph_add_prefix( $output ) { |
| 33 |
$prefixes = array( |
| 34 |
'og' => 'http://ogp.me/ns#', |
| 35 |
); |
| 36 |
$prefixes = apply_filters( 'opengraph_prefixes', $prefixes ); |
| 37 |
|
| 38 |
$prefix_str = ''; |
| 39 |
foreach ( $prefixes as $k => $v ) { |
| 40 |
$prefix_str .= $k . ': ' . $v . ' '; |
| 41 |
} |
| 42 |
$prefix_str = trim( $prefix_str ); |
| 43 |
|
| 44 |
if ( preg_match( '/(prefix\s*=\s*[\"|\'])/i', $output ) ) { |
| 45 |
$output = preg_replace( '/(prefix\s*=\s*[\"|\'])/i', '${1}' . $prefix_str, $output ); |
| 46 |
} else { |
| 47 |
$output .= ' prefix="' . esc_attr( $prefix_str ) . '"'; |
| 48 |
} |
| 49 |
|
| 50 |
return $output; |
| 51 |
} |
| 52 |
add_filter( 'language_attributes', 'opengraph_add_prefix' ); |
| 53 |
|
| 54 |
|
| 55 |
/** |
| 56 |
* Add additional prefix namespaces that are supported by the opengraph plugin. |
| 57 |
*/ |
| 58 |
function opengraph_additional_prefixes( $prefixes ) { |
| 59 |
if ( is_author() ) { |
| 60 |
$prefixes['profile'] = 'http://ogp.me/ns/profile#'; |
| 61 |
} |
| 62 |
if ( is_singular() ) { |
| 63 |
$prefixes['article'] = 'http://ogp.me/ns/article#'; |
| 64 |
} |
| 65 |
|
| 66 |
return $prefixes; |
| 67 |
} |
| 68 |
|
| 69 |
|
| 70 |
/** |
| 71 |
* Get the Open Graph metadata for the current page. |
| 72 |
* |
| 73 |
* @uses apply_filters() Calls 'opengraph_{$name}' for each property name |
| 74 |
* @uses apply_filters() Calls 'twitter_{$name}' for each property name |
| 75 |
* @uses apply_filters() Calls 'opengraph_metadata' before returning metadata array |
| 76 |
*/ |
| 77 |
function opengraph_metadata() { |
| 78 |
$metadata = array(); |
| 79 |
|
| 80 |
// default properties defined at http://ogp.me/ |
| 81 |
$properties = array( |
| 82 |
// required |
| 83 |
'title', |
| 84 |
'type', |
| 85 |
'image', |
| 86 |
'url', |
| 87 |
|
| 88 |
// optional |
| 89 |
'audio', |
| 90 |
'description', |
| 91 |
'determiner', |
| 92 |
'locale', |
| 93 |
'site_name', |
| 94 |
'video', |
| 95 |
); |
| 96 |
|
| 97 |
foreach ( $properties as $property ) { |
| 98 |
$filter = 'opengraph_' . $property; |
| 99 |
|
| 100 |
$metadata[ "og:$property" ] = apply_filters( $filter, '' ); |
| 101 |
} |
| 102 |
|
| 103 |
$twitter_properties = array( 'card', 'creator' ); |
| 104 |
|
| 105 |
foreach ( $twitter_properties as $property ) { |
| 106 |
$filter = 'twitter_' . $property; |
| 107 |
|
| 108 |
$metadata[ "twitter:$property" ] = apply_filters( $filter, '' ); |
| 109 |
} |
| 110 |
|
| 111 |
return apply_filters( 'opengraph_metadata', $metadata ); |
| 112 |
} |
| 113 |
|
| 114 |
|
| 115 |
/** |
| 116 |
* Register filters for default Open Graph metadata. |
| 117 |
*/ |
| 118 |
function opengraph_default_metadata() { |
| 119 |
// core metadata attributes |
| 120 |
add_filter( 'opengraph_title', 'opengraph_default_title', 5 ); |
| 121 |
add_filter( 'opengraph_type', 'opengraph_default_type', 5 ); |
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add_filter( 'opengraph_image', 'opengraph_default_image', 5 ); |
| 123 |
add_filter( 'opengraph_url', 'opengraph_default_url', 5 ); |
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|
| 125 |
add_filter( 'opengraph_description', 'opengraph_default_description', 5 ); |
| 126 |
add_filter( 'opengraph_locale', 'opengraph_default_locale', 5 ); |
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add_filter( 'opengraph_site_name', 'opengraph_default_sitename', 5 ); |
| 128 |
add_filter( 'opengraph_audio', 'opengraph_default_audio', 5 ); |
| 129 |
add_filter( 'opengraph_video', 'opengraph_default_video', 5 ); |
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|
| 131 |
// additional prefixes |
| 132 |
add_filter( 'opengraph_prefixes', 'opengraph_additional_prefixes' ); |
| 133 |
|
| 134 |
// additional profile metadata |
| 135 |
add_filter( 'opengraph_metadata', 'opengraph_profile_metadata' ); |
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|
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// additional article metadata |
| 138 |
add_filter( 'opengraph_metadata', 'opengraph_article_metadata' ); |
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|
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// twitter card metadata |
| 141 |
add_filter( 'twitter_card', 'twitter_default_card', 5 ); |
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add_filter( 'twitter_creator', 'twitter_default_creator', 5 ); |
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} |
| 144 |
add_action( 'wp', 'opengraph_default_metadata' ); |
| 145 |
|
| 146 |
|
| 147 |
/** |
| 148 |
* Default title property, using the page title. |
| 149 |
*/ |
| 150 |
function opengraph_default_title( $title ) { |
| 151 |
if ( $title ) { |
| 152 |
return $title; |
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} |
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|
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// set default title, because twitter is requiring one |
| 156 |
$title = __( 'Untitled', 'opengraph' ); |
| 157 |
|
| 158 |
if ( is_home() || is_front_page() ) { |
| 159 |
$title = get_bloginfo( 'name' ); |
| 160 |
} elseif ( is_singular() ) { |
| 161 |
$title = get_the_title( get_queried_object_id() ); |
| 162 |
// fall back to description |
| 163 |
if ( empty( $title ) ) { |
| 164 |
$title = opengraph_default_description( null, 5 ); |
| 165 |
} |
| 166 |
} elseif ( is_author() ) { |
| 167 |
$author = get_queried_object(); |
| 168 |
$title = $author->display_name; |
| 169 |
} elseif ( is_category() && single_cat_title( '', false ) ) { |
| 170 |
$title = single_cat_title( '', false ); |
| 171 |
} elseif ( is_tag() && single_tag_title( '', false ) ) { |
| 172 |
$title = single_tag_title( '', false ); |
| 173 |
} elseif ( is_archive() && get_post_format() ) { |
| 174 |
$title = get_post_format_string( get_post_format() ); |
| 175 |
} elseif ( is_archive() && function_exists( 'get_the_archive_title' ) && get_the_archive_title() ) { // new in version 4.1 to get all other archive titles |
| 176 |
$title = get_the_archive_title(); |
| 177 |
} |
| 178 |
|
| 179 |
return esc_attr( $title ); |
| 180 |
} |
| 181 |
|
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|
| 183 |
/** |
| 184 |
* Default type property. |
| 185 |
*/ |
| 186 |
function opengraph_default_type( $type ) { |
| 187 |
if ( empty( $type ) ) { |
| 188 |
if ( is_singular( array( 'post', 'page' ) ) ) { |
| 189 |
$type = 'article'; |
| 190 |
} elseif ( is_author() ) { |
| 191 |
$type = 'profile'; |
| 192 |
} else { |
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$type = 'website'; |
| 194 |
} |
| 195 |
} |
| 196 |
|
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return esc_attr( $type ); |
| 198 |
} |
| 199 |
|
| 200 |
|
| 201 |
/** |
| 202 |
* Default image property, using the post-thumbnail and any attached images. |
| 203 |
*/ |
| 204 |
function opengraph_default_image( $image ) { |
| 205 |
if ( $image ) { |
| 206 |
return $image; |
| 207 |
} |
| 208 |
|
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// show avatar on profile pages |
| 210 |
if ( is_author() ) { |
| 211 |
return get_avatar_url( get_the_author_meta( 'ID' ), array( 'size' => 512 ) ); |
| 212 |
} |
| 213 |
|
| 214 |
// As of July 2014, Facebook seems to only let you select from the first 3 images |
| 215 |
$max_images = apply_filters( 'opengraph_max_images', 3 ); |
| 216 |
|
| 217 |
// max images can't be negative or zero |
| 218 |
if ( $max_images <= 0 ) { |
| 219 |
$max_images = 1; |
| 220 |
} |
| 221 |
|
| 222 |
if ( is_singular() && ! is_attachment() ) { |
| 223 |
$id = get_queried_object_id(); |
| 224 |
$image_ids = array(); |
| 225 |
|
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// list post thumbnail first if this post has one |
| 227 |
if ( function_exists( 'has_post_thumbnail' ) && has_post_thumbnail( $id ) ) { |
| 228 |
$image_ids[] = get_post_thumbnail_id( $id ); |
| 229 |
} else { |
| 230 |
// otherwise list any image attachments |
| 231 |
$query = new WP_Query( |
| 232 |
array( |
| 233 |
'post_parent' => $id, |
| 234 |
'post_status' => 'inherit', |
| 235 |
'post_type' => 'attachment', |
| 236 |
'post_mime_type' => 'image', |
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'order' => 'ASC', |
| 238 |
'orderby' => 'menu_order ID', |
| 239 |
'posts_per_page' => $max_images, |
| 240 |
) |
| 241 |
); |
| 242 |
|
| 243 |
foreach ( $query->get_posts() as $attachment ) { |
| 244 |
if ( ! in_array( $attachment->ID, $image_ids, true ) ) { |
| 245 |
$image_ids[] = $attachment->ID; |
| 246 |
} |
| 247 |
} |
| 248 |
} |
| 249 |
|
| 250 |
// get URLs for each image |
| 251 |
$image = array(); |
| 252 |
foreach ( $image_ids as $id ) { |
| 253 |
$thumbnail = wp_get_attachment_image_src( $id, 'full' ); |
| 254 |
if ( $thumbnail ) { |
| 255 |
$image[] = $thumbnail[0]; |
| 256 |
} |
| 257 |
} |
| 258 |
} elseif ( is_attachment() && wp_attachment_is_image() ) { |
| 259 |
$id = get_queried_object_id(); |
| 260 |
$image = array( wp_get_attachment_url( $id ) ); |
| 261 |
} |
| 262 |
|
| 263 |
if ( empty( $image ) ) { |
| 264 |
$image = array(); |
| 265 |
|
| 266 |
// add header images |
| 267 |
if ( function_exists( 'get_uploaded_header_images' ) ) { |
| 268 |
if ( is_random_header_image() ) { |
| 269 |
foreach ( get_uploaded_header_images() as $header_image ) { |
| 270 |
$image[] = $header_image['url']; |
| 271 |
|
| 272 |
if ( sizeof( $image ) >= $max_images ) { |
| 273 |
break; |
| 274 |
} |
| 275 |
} |
| 276 |
} elseif ( get_header_image() ) { |
| 277 |
$image[] = get_header_image(); |
| 278 |
} |
| 279 |
} |
| 280 |
|
| 281 |
// add site icon |
| 282 |
if ( empty( $image ) && function_exists( 'get_site_icon_url' ) && has_site_icon() ) { |
| 283 |
$image[] = get_site_icon_url( 512 ); |
| 284 |
} |
| 285 |
} |
| 286 |
|
| 287 |
return $image; |
| 288 |
} |
| 289 |
|
| 290 |
|
| 291 |
/** |
| 292 |
* Default audio property, using get_attached_media. |
| 293 |
*/ |
| 294 |
function opengraph_default_audio( $audio ) { |
| 295 |
$id = get_queried_object_id(); |
| 296 |
$attachments = get_attached_media( 'audio', $id ); |
| 297 |
|
| 298 |
if ( empty( $attachments ) ) { |
| 299 |
return $audio; |
| 300 |
} |
| 301 |
|
| 302 |
if ( empty( $audio ) ) { |
| 303 |
$audio = array(); |
| 304 |
} |
| 305 |
|
| 306 |
foreach ( $attachments as $attachment ) { |
| 307 |
$audio[] = wp_get_attachment_url( $attachment->ID ); |
| 308 |
} |
| 309 |
|
| 310 |
return $audio; |
| 311 |
} |
| 312 |
|
| 313 |
|
| 314 |
/** |
| 315 |
* Default video property, using get_attached_media. |
| 316 |
*/ |
| 317 |
function opengraph_default_video( $video ) { |
| 318 |
$id = get_queried_object_id(); |
| 319 |
$attachments = get_attached_media( 'video', $id ); |
| 320 |
|
| 321 |
if ( empty( $attachments ) ) { |
| 322 |
return $video; |
| 323 |
} |
| 324 |
|
| 325 |
if ( empty( $video ) ) { |
| 326 |
$video = array(); |
| 327 |
} |
| 328 |
|
| 329 |
foreach ( $attachments as $attachment ) { |
| 330 |
$video[] = wp_get_attachment_url( $attachment->ID ); |
| 331 |
} |
| 332 |
|
| 333 |
return $video; |
| 334 |
} |
| 335 |
|
| 336 |
|
| 337 |
/** |
| 338 |
* Default url property, using the permalink for the page. |
| 339 |
*/ |
| 340 |
function opengraph_default_url( $url ) { |
| 341 |
if ( empty( $url ) ) { |
| 342 |
if ( is_singular() ) { |
| 343 |
$url = get_permalink(); |
| 344 |
} elseif ( is_author() ) { |
| 345 |
$url = get_author_posts_url( get_queried_object_id() ); |
| 346 |
} |
| 347 |
} |
| 348 |
|
| 349 |
return esc_url( $url ); |
| 350 |
} |
| 351 |
|
| 352 |
|
| 353 |
/** |
| 354 |
* Default site_name property, using the bloginfo name. |
| 355 |
*/ |
| 356 |
function opengraph_default_sitename( $name ) { |
| 357 |
if ( empty( $name ) ) { |
| 358 |
$name = get_bloginfo( 'name' ); |
| 359 |
} |
| 360 |
|
| 361 |
return esc_attr( $name ); |
| 362 |
} |
| 363 |
|
| 364 |
|
| 365 |
/** |
| 366 |
* Default description property, using the excerpt or content for posts, or the |
| 367 |
* bloginfo description. |
| 368 |
*/ |
| 369 |
function opengraph_default_description( $description, $length = 55 ) { |
| 370 |
if ( $description ) { |
| 371 |
return $description; |
| 372 |
} |
| 373 |
|
| 374 |
if ( is_singular() ) { |
| 375 |
$post = get_queried_object(); |
| 376 |
if ( ! empty( $post->post_excerpt ) ) { |
| 377 |
$description = $post->post_excerpt; |
| 378 |
} else { |
| 379 |
$description = $post->post_content; |
| 380 |
} |
| 381 |
} elseif ( is_author() ) { |
| 382 |
$id = get_queried_object_id(); |
| 383 |
$description = get_user_meta( $id, 'description', true ); |
| 384 |
} elseif ( is_category() && category_description() ) { |
| 385 |
$description = category_description(); |
| 386 |
} elseif ( is_tag() && tag_description() ) { |
| 387 |
$description = tag_description(); |
| 388 |
} elseif ( is_archive() && function_exists( 'get_the_archive_description' ) && get_the_archive_description() ) { // new in version 4.1 to get all other archive descriptions |
| 389 |
$description = get_the_archive_description(); |
| 390 |
} else { |
| 391 |
$description = get_bloginfo( 'description' ); |
| 392 |
} |
| 393 |
|
| 394 |
// strip description to first 55 words. |
| 395 |
$description = strip_tags( strip_shortcodes( $description ) ); |
| 396 |
$description = opengraph_trim_text( $description, $length ); |
| 397 |
|
| 398 |
return esc_attr( $description ); |
| 399 |
} |
| 400 |
|
| 401 |
|
| 402 |
/** |
| 403 |
* Default locale property, using the WordPress locale. |
| 404 |
*/ |
| 405 |
function opengraph_default_locale( $locale ) { |
| 406 |
if ( empty( $locale ) ) { |
| 407 |
$locale = get_locale(); |
| 408 |
} |
| 409 |
|
| 410 |
return $locale; |
| 411 |
} |
| 412 |
|
| 413 |
|
| 414 |
/** |
| 415 |
* Default twitter-card type. |
| 416 |
*/ |
| 417 |
function twitter_default_card( $card ) { |
| 418 |
if ( $card ) { |
| 419 |
return $card; |
| 420 |
} |
| 421 |
|
| 422 |
$card = 'summary'; |
| 423 |
$images = opengraph_default_image( null ); |
| 424 |
|
| 425 |
// show large image on... |
| 426 |
if ( is_singular() ) { |
| 427 |
if ( |
| 428 |
// gallery and image posts |
| 429 |
in_array( get_post_format(), array( 'image', 'gallery' ), true ) || |
| 430 |
// posts with more than one image |
| 431 |
( is_array( $images ) && count( $images ) > 1 ) || |
| 432 |
// posts with a post-thumbnail |
| 433 |
( function_exists( 'has_post_thumbnail' ) && has_post_thumbnail() ) |
| 434 |
) { |
| 435 |
$card = 'summary_large_image'; |
| 436 |
} |
| 437 |
} |
| 438 |
|
| 439 |
return esc_attr( $card ); |
| 440 |
} |
| 441 |
|
| 442 |
|
| 443 |
/** |
| 444 |
* Default twitter-card creator. |
| 445 |
*/ |
| 446 |
function twitter_default_creator( $creator ) { |
| 447 |
if ( $creator || ! is_singular() ) { |
| 448 |
return $creator; |
| 449 |
} |
| 450 |
|
| 451 |
$post = get_queried_object(); |
| 452 |
$author = $post->post_author; |
| 453 |
$twitter = get_the_author_meta( 'twitter', $author ); |
| 454 |
|
| 455 |
if ( ! $twitter ) { |
| 456 |
return $creator; |
| 457 |
} |
| 458 |
|
| 459 |
// check if twitter-account matches "http://twitter.com/username" |
| 460 |
if ( preg_match( '/^http:\/\/twitter\.com\/(#!\/)?(\w+)/i', $twitter, $matches ) ) { |
| 461 |
$creator = '@' . $matches[2]; |
| 462 |
} elseif ( preg_match( '/^@?(\w+)$/i', $twitter, $matches ) ) { // check if twitter-account matches "(@)username" |
| 463 |
$creator = '@' . $matches[1]; |
| 464 |
} |
| 465 |
|
| 466 |
return esc_attr( $creator ); |
| 467 |
} |
| 468 |
|
| 469 |
|
| 470 |
/** |
| 471 |
* Output Open Graph <meta> tags in the page header. |
| 472 |
*/ |
| 473 |
function opengraph_meta_tags() { |
| 474 |
$metadata = opengraph_metadata(); |
| 475 |
foreach ( $metadata as $key => $value ) { |
| 476 |
if ( empty( $key ) || empty( $value ) ) { |
| 477 |
continue; |
| 478 |
} |
| 479 |
$value = (array) $value; |
| 480 |
|
| 481 |
foreach ( $value as $v ) { |
| 482 |
// check if "strict mode" is enabled |
| 483 |
if ( OPENGRAPH_STRICT_MODE === false ) { |
| 484 |
// use "property" and "name" |
| 485 |
printf( |
| 486 |
'<meta property="%1$s" name="%1$s" content="%2$s" />' . PHP_EOL, |
| 487 |
esc_attr( $key ), |
| 488 |
esc_attr( $v ) |
| 489 |
); |
| 490 |
} else { |
| 491 |
// use "name" attribute for Twitter Cards |
| 492 |
if ( stripos( $key, 'twitter:' ) === 0 ) { |
| 493 |
printf( |
| 494 |
'<meta name="%1$s" content="%2$s" />' . PHP_EOL, |
| 495 |
esc_attr( $key ), |
| 496 |
esc_attr( $v ) |
| 497 |
); |
| 498 |
} else { // use "property" attribute for Open Graph |
| 499 |
printf( |
| 500 |
'<meta property="%1$s" content="%2$s" />' . PHP_EOL, |
| 501 |
esc_attr( $key ), |
| 502 |
esc_attr( $v ) |
| 503 |
); |
| 504 |
} |
| 505 |
} |
| 506 |
} |
| 507 |
} |
| 508 |
} |
| 509 |
add_action( 'wp_head', 'opengraph_meta_tags' ); |
| 510 |
|
| 511 |
|
| 512 |
/** |
| 513 |
* Include profile metadata for author pages. |
| 514 |
* |
| 515 |
* @link http://ogp.me/#type_profile |
| 516 |
*/ |
| 517 |
function opengraph_profile_metadata( $metadata ) { |
| 518 |
if ( is_author() ) { |
| 519 |
$id = get_queried_object_id(); |
| 520 |
|
| 521 |
$metadata['profile:first_name'] = get_the_author_meta( 'first_name', $id ); |
| 522 |
$metadata['profile:last_name'] = get_the_author_meta( 'last_name', $id ); |
| 523 |
$metadata['profile:username'] = get_the_author_meta( 'nicename', $id ); |
| 524 |
} |
| 525 |
|
| 526 |
return $metadata; |
| 527 |
} |
| 528 |
|
| 529 |
|
| 530 |
/** |
| 531 |
* Include article metadata for posts and pages. |
| 532 |
* |
| 533 |
* @link http://ogp.me/#type_article |
| 534 |
*/ |
| 535 |
function opengraph_article_metadata( $metadata ) { |
| 536 |
if ( ! is_singular() ) { |
| 537 |
return $metadata; |
| 538 |
} |
| 539 |
|
| 540 |
$post = get_queried_object(); |
| 541 |
$author = $post->post_author; |
| 542 |
|
| 543 |
// check if page/post has tags |
| 544 |
$tags = wp_get_object_terms( $post->ID, 'post_tag' ); |
| 545 |
if ( $tags && is_array( $tags ) ) { |
| 546 |
foreach ( $tags as $tag ) { |
| 547 |
$metadata['article:tag'][] = $tag->name; |
| 548 |
} |
| 549 |
} |
| 550 |
|
| 551 |
// check if page/post has categories |
| 552 |
$categories = wp_get_object_terms( $post->ID, 'category' ); |
| 553 |
if ( $categories && is_array( $categories ) ) { |
| 554 |
$metadata['article:section'][] = current( $categories )->name; |
| 555 |
} |
| 556 |
|
| 557 |
$metadata['article:published_time'] = get_the_time( 'c', $post->ID ); |
| 558 |
$metadata['article:modified_time'] = get_the_modified_time( 'c', $post->ID ); |
| 559 |
$metadata['article:author'][] = get_author_posts_url( $author ); |
| 560 |
|
| 561 |
$facebook = get_the_author_meta( 'facebook', $author ); |
| 562 |
|
| 563 |
if ( ! empty( $facebook ) ) { |
| 564 |
$metadata['article:author'][] = $facebook; |
| 565 |
} |
| 566 |
|
| 567 |
return $metadata; |
| 568 |
} |
| 569 |
|
| 570 |
|
| 571 |
/** |
| 572 |
* Add "twitter" as a contact method |
| 573 |
*/ |
| 574 |
function opengraph_user_contactmethods( $user_contactmethods ) { |
| 575 |
$user_contactmethods['twitter'] = __( 'Twitter', 'opengraph' ); |
| 576 |
$user_contactmethods['facebook'] = __( 'Facebook (Profile URL)', 'opengraph' ); |
| 577 |
|
| 578 |
return $user_contactmethods; |
| 579 |
} |
| 580 |
add_filter( 'user_contactmethods', 'opengraph_user_contactmethods', 1 ); |
| 581 |
|
| 582 |
|
| 583 |
/** |
| 584 |
* Add 512x512 icon size |
| 585 |
* |
| 586 |
* @param array $sizes sizes available for the site icon |
| 587 |
* @return array updated list of icons |
| 588 |
*/ |
| 589 |
function opengraph_site_icon_image_sizes( $sizes ) { |
| 590 |
$sizes[] = 512; |
| 591 |
|
| 592 |
return array_unique( $sizes ); |
| 593 |
} |
| 594 |
add_filter( 'site_icon_image_sizes', 'opengraph_site_icon_image_sizes' ); |
| 595 |
|
| 596 |
|
| 597 |
/** |
| 598 |
* Helper function to trim text using the same default values for length and |
| 599 |
* 'more' text as wp_trim_excerpt. |
| 600 |
*/ |
| 601 |
function opengraph_trim_text( $text, $length = 55 ) { |
| 602 |
$excerpt_length = apply_filters( 'excerpt_length', $length ); |
| 603 |
$excerpt_more = apply_filters( 'excerpt_more', ' [...]' ); |
| 604 |
|
| 605 |
return wp_trim_words( $text, $excerpt_length, $excerpt_more ); |
| 606 |
} |
