| 1 |
<?php |
| 2 |
/** |
| 3 |
* Stats Tracking_Pixel |
| 4 |
* |
| 5 |
* @package automattic/jetpack-stats |
| 6 |
*/ |
| 7 |
|
| 8 |
namespace Automattic\Jetpack\Stats; |
| 9 |
|
| 10 |
use Jetpack_Options; |
| 11 |
use WP_Post; |
| 12 |
|
| 13 |
/** |
| 14 |
* Stats Tracking_Pixel class. |
| 15 |
* |
| 16 |
* Responsible for embedding the Stats tracking pixel. |
| 17 |
* |
| 18 |
* @since 0.1.0 |
| 19 |
*/ |
| 20 |
class Tracking_Pixel { |
| 21 |
|
| 22 |
/** |
| 23 |
* Array name. |
| 24 |
* |
| 25 |
* @var string $array_name The 'stats' array name |
| 26 |
*/ |
| 27 |
const STATS_ARRAY_TO_STRING_FILTER = 'stats_array'; |
| 28 |
|
| 29 |
const TRACKED_UTM_PARAMETERS = array( |
| 30 |
'utm_id', |
| 31 |
'utm_source', |
| 32 |
'utm_medium', |
| 33 |
'utm_campaign', |
| 34 |
'utm_term', |
| 35 |
'utm_content', |
| 36 |
'utm_source_platform', |
| 37 |
'utm_creative_format', |
| 38 |
'utm_marketing_tactic', |
| 39 |
); |
| 40 |
|
| 41 |
/** |
| 42 |
* Stats Build View Data. |
| 43 |
* |
| 44 |
* @access public |
| 45 |
* @return array |
| 46 |
*/ |
| 47 |
public static function build_view_data() { |
| 48 |
global $wp_the_query; |
| 49 |
|
| 50 |
$blog = Jetpack_Options::get_option( 'id' ); |
| 51 |
$tz = get_option( 'gmt_offset' ); |
| 52 |
$v = 'ext'; |
| 53 |
$blog_url = wp_parse_url( site_url() ); |
| 54 |
$srv = $blog_url['host']; |
| 55 |
$is_not_post = false; |
| 56 |
if ( $wp_the_query->is_single || $wp_the_query->is_page || $wp_the_query->is_posts_page ) { |
| 57 |
// Store and reset the queried_object and queried_object_id |
| 58 |
// Otherwise, redirect_canonical() will redirect to home_url( '/' ) for show_on_front = page sites where home_url() is not all lowercase. |
| 59 |
// Repro: |
| 60 |
// 1. Set home_url = https://ExamPle.com/ |
| 61 |
// 2. Set show_on_front = page |
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// 3. Set page_on_front = something |
| 63 |
// 4. Visit https://example.com/ ! |
| 64 |
$queried_object = $wp_the_query->queried_object ?? null; |
| 65 |
$queried_object_id = $wp_the_query->queried_object_id ?? null; |
| 66 |
try { |
| 67 |
$post_obj = $wp_the_query->get_queried_object(); |
| 68 |
$post = $post_obj instanceof WP_Post ? $post_obj->ID : '0'; |
| 69 |
} finally { |
| 70 |
$wp_the_query->queried_object = $queried_object; |
| 71 |
$wp_the_query->queried_object_id = $queried_object_id; |
| 72 |
} |
| 73 |
} else { |
| 74 |
$post = '0'; |
| 75 |
$is_not_post = true; |
| 76 |
} |
| 77 |
$view_data = compact( 'v', 'blog', 'post', 'tz', 'srv' ); |
| 78 |
// Batcache removes some of the UTM params from $_GET, we need to extract them from uri directly instead. |
| 79 |
// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- We're sanitizing individual params in the loop. |
| 80 |
$url_query = wp_parse_url( wp_unslash( $_SERVER['REQUEST_URI'] ?? '' ), PHP_URL_QUERY ); |
| 81 |
parse_str( (string) $url_query, $url_params ); |
| 82 |
foreach ( self::TRACKED_UTM_PARAMETERS as $utm_parameter ) { |
| 83 |
if ( isset( $url_params[ $utm_parameter ] ) && is_scalar( $url_params[ $utm_parameter ] ) ) { |
| 84 |
$view_data[ $utm_parameter ] = substr( sanitize_textarea_field( wp_unslash( $url_params[ $utm_parameter ] ) ), 0, 255 ); |
| 85 |
} |
| 86 |
} |
| 87 |
|
| 88 |
if ( $is_not_post ) { |
| 89 |
if ( $wp_the_query->is_home() ) { |
| 90 |
$view_data['arch_home'] = '1'; |
| 91 |
} elseif ( $wp_the_query->is_search() ) { |
| 92 |
$search_term = $wp_the_query->query['s'] ?? $wp_the_query->query_vars['s'] ?? ''; |
| 93 |
$view_data['arch_search'] = sanitize_text_field( $search_term ); |
| 94 |
$view_data['arch_filters'] = sanitize_text_field( self::build_search_filters( $wp_the_query ) ); |
| 95 |
$view_data['arch_results'] = $wp_the_query->posts ? $wp_the_query->post_count : 0; |
| 96 |
} elseif ( $wp_the_query->is_archive() ) { |
| 97 |
if ( $wp_the_query->is_date ) { |
| 98 |
$query = $wp_the_query->query; |
| 99 |
$date_parts = array_filter( array( $query['year'] ?? null, $query['monthnum'] ?? null, $query['day'] ?? null ) ); |
| 100 |
$date = implode( '/', $date_parts ); |
| 101 |
$view_data['arch_date'] = $date; |
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} |
| 103 |
if ( $wp_the_query->is_category ) { |
| 104 |
$view_data['arch_cat'] = $wp_the_query->query['category_name'] ?? $wp_the_query->query_vars['category_name'] ?? ''; |
| 105 |
} |
| 106 |
if ( $wp_the_query->is_tag ) { |
| 107 |
$view_data['arch_tag'] = $wp_the_query->query['tag'] ?? $wp_the_query->query_vars['tag'] ?? ''; |
| 108 |
} |
| 109 |
if ( $wp_the_query->is_author ) { |
| 110 |
$view_data['arch_author'] = $wp_the_query->query['author_name'] ?? ''; |
| 111 |
} |
| 112 |
if ( $wp_the_query->is_tax ) { |
| 113 |
$query = $wp_the_query->query; |
| 114 |
if ( is_array( $query ) && count( $query ) === 1 ) { |
| 115 |
$view_data[ 'arch_tax_' . array_keys( $query )[0] ] = array_values( $query )[0]; |
| 116 |
} |
| 117 |
} |
| 118 |
$view_data['arch_results'] = $wp_the_query->posts ? $wp_the_query->post_count : 0; |
| 119 |
} elseif ( $wp_the_query->is_404() ) { |
| 120 |
$view_data['arch_err'] = sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ?? '' ) ); |
| 121 |
} else { |
| 122 |
$view_data['arch_other'] = sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ?? '' ) ); |
| 123 |
} |
| 124 |
} |
| 125 |
return $view_data; |
| 126 |
} |
| 127 |
|
| 128 |
/** |
| 129 |
* Collect the tracking data for a search page. |
| 130 |
* |
| 131 |
* @access private |
| 132 |
* @param \WP_Query $query The WP_Query object to parse all the filters from. |
| 133 |
* @return string The search filters in a URL query string format. |
| 134 |
*/ |
| 135 |
private static function build_search_filters( $query ) { |
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$data = array( |
| 137 |
'posts_per_page' => $query->get( 'posts_per_page' ), |
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'paged' => ( $query->get( 'paged' ) ) ? absint( $query->get( 'paged' ) ) : 1, |
| 139 |
'orderby' => $query->get( 'orderby' ), |
| 140 |
'order' => $query->get( 'order' ), |
| 141 |
); |
| 142 |
|
| 143 |
if ( $query->get( 'author_name' ) ) { |
| 144 |
$data['author_name'] = $query->get( 'author_name' ); |
| 145 |
} |
| 146 |
$filters = http_build_query( $data ); |
| 147 |
|
| 148 |
$the_tax_query = $query->tax_query; |
| 149 |
$terms = array(); |
| 150 |
if ( ! empty( $the_tax_query->queried_terms ) && is_array( $the_tax_query->queried_terms ) ) { |
| 151 |
foreach ( $the_tax_query->queries as $tax_query ) { |
| 152 |
if ( ! is_array( $tax_query ) || ! isset( $tax_query['taxonomy'] ) ) { |
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continue; |
| 154 |
} |
| 155 |
$taxonomy = $tax_query['taxonomy']; |
| 156 |
if ( ! isset( $terms[ $taxonomy ] ) || ! is_array( $terms[ $taxonomy ] ) ) { |
| 157 |
$terms[ $taxonomy ] = array(); |
| 158 |
} |
| 159 |
$terms[ $taxonomy ] = array_merge( $terms[ $taxonomy ], $tax_query['terms'] ); |
| 160 |
} |
| 161 |
} |
| 162 |
if ( ! empty( $terms ) ) { |
| 163 |
$filters .= '&terms=' . wp_json_encode( $terms, JSON_UNESCAPED_SLASHES | JSON_HEX_TAG | JSON_HEX_AMP ); |
| 164 |
} |
| 165 |
return $filters; |
| 166 |
} |
| 167 |
|
| 168 |
/** |
| 169 |
* Build the Stats tracking details. |
| 170 |
* |
| 171 |
* @since 0.6.0 |
| 172 |
* |
| 173 |
* @access private |
| 174 |
* @param array $data Array of options about the site and page for the inline (non-AMP) tracker. |
| 175 |
* @return string |
| 176 |
*/ |
| 177 |
private static function build_stats_details( $data ) { |
| 178 |
$data_stats_array = self::stats_array_to_string( $data ); |
| 179 |
|
| 180 |
$pushes = sprintf( |
| 181 |
'_stq.push([ "view", %1$s ]); |
| 182 |
_stq.push([ "clickTrackerInit", "%2$s", "%3$s" ]);', |
| 183 |
$data_stats_array, |
| 184 |
$data['blog'], |
| 185 |
$data['post'] |
| 186 |
); |
| 187 |
|
| 188 |
// OFF (default): byte-for-byte identical to the historical output. |
| 189 |
if ( ! Options::get_option( 'honor_cookie_consent' ) ) { |
| 190 |
return "_stq = window._stq || [];\n" . $pushes; |
| 191 |
} |
| 192 |
|
| 193 |
// Fail closed when the WP Consent API plugin is active (an unavailable client-side API |
| 194 |
// means "wait", not "fire"); fail open otherwise to preserve historical tracking. |
| 195 |
return self::build_consent_gate( $pushes, ! function_exists( 'wp_has_consent' ) ); |
| 196 |
} |
| 197 |
|
| 198 |
/** |
| 199 |
* Wrap the tracking pushes in a WP Consent API gate. |
| 200 |
* |
| 201 |
* The check runs in the browser because cached HTML is shared across visitors, deferred to |
| 202 |
* DOMContentLoaded (and re-run on the `wp_consent_type_defined` readiness event) so a |
| 203 |
* late-loading consent plugin is still honored. The check is idempotent. |
| 204 |
* |
| 205 |
* `_jpStatsFire.done` is set before the pushes, not after, so the gate is at-most-once even |
| 206 |
* if a push throws. Retrying can't recover: the stats sender assigns the beacon `src` before |
| 207 |
* any of its fallible DOM work, so a later exception means the view was already counted and |
| 208 |
* a replay would double-count it. |
| 209 |
* |
| 210 |
* @access private |
| 211 |
* @param string $pushes The `_stq.push(...)` statements to gate. |
| 212 |
* @param bool $fail_open Whether to fire when the client-side WP Consent API is unavailable. |
| 213 |
* @return string |
| 214 |
*/ |
| 215 |
private static function build_consent_gate( $pushes, $fail_open ) { |
| 216 |
$fail_open_literal = $fail_open ? 'true' : 'false'; |
| 217 |
|
| 218 |
return sprintf( |
| 219 |
'_stq = window._stq || []; |
| 220 |
function _jpStatsFire() { |
| 221 |
if ( _jpStatsFire.done ) { return; } |
| 222 |
_jpStatsFire.done = true; |
| 223 |
%1$s |
| 224 |
} |
| 225 |
function _jpStatsCheck() { |
| 226 |
if ( typeof window.wp_has_consent === "function" ) { |
| 227 |
var consented; |
| 228 |
try { |
| 229 |
consented = window.wp_has_consent( "statistics" ); |
| 230 |
} catch ( e ) { |
| 231 |
consented = %2$s; |
| 232 |
} |
| 233 |
if ( consented ) { _jpStatsFire(); } |
| 234 |
return; |
| 235 |
} |
| 236 |
if ( %2$s ) { _jpStatsFire(); } |
| 237 |
} |
| 238 |
document.addEventListener( "wp_listen_for_consent_change", function ( event ) { |
| 239 |
if ( event && event.detail && event.detail.statistics === "allow" ) { _jpStatsFire(); } |
| 240 |
} ); |
| 241 |
document.addEventListener( "wp_consent_type_defined", _jpStatsCheck ); |
| 242 |
window.addEventListener( "wp_consent_type_defined", _jpStatsCheck ); |
| 243 |
if ( document.readyState === "loading" ) { |
| 244 |
document.addEventListener( "DOMContentLoaded", _jpStatsCheck, { once: true } ); |
| 245 |
} else { |
| 246 |
_jpStatsCheck(); |
| 247 |
}', |
| 248 |
$pushes, |
| 249 |
$fail_open_literal |
| 250 |
); |
| 251 |
} |
| 252 |
|
| 253 |
/** |
| 254 |
* Add fetchpriority="low" to the Stats script attributes. |
| 255 |
* |
| 256 |
* Reduces network contention with resources in the critical rendering path (e.g., the LCP |
| 257 |
* element image). This benefits Safari and Firefox, which don't automatically assign low |
| 258 |
* priority to async/defer scripts (unlike Chrome). |
| 259 |
* |
| 260 |
* @since 0.19.5 |
| 261 |
* |
| 262 |
* @param array $attributes Script tag attributes. |
| 263 |
* @return array Modified attributes. |
| 264 |
*/ |
| 265 |
public static function add_low_fetchpriority( $attributes ) { |
| 266 |
// WordPress derives the tag id from the enqueue handle as "{handle}-js", so the |
| 267 |
// 'jetpack-stats' script (registered in enqueue_stats_script()) prints as |
| 268 |
// 'jetpack-stats-js'. Keep this in sync if the handle is ever renamed. |
| 269 |
if ( isset( $attributes['id'] ) && 'jetpack-stats-js' === $attributes['id'] ) { |
| 270 |
$attributes['fetchpriority'] = 'low'; |
| 271 |
} |
| 272 |
return $attributes; |
| 273 |
} |
| 274 |
|
| 275 |
/** |
| 276 |
* Remove the dns-prefetch resource hint for stats.wp.com. |
| 277 |
* |
| 278 |
* WordPress automatically adds dns-prefetch hints for enqueued script hosts via |
| 279 |
* wp_dependencies_unique_hosts(). Since we're deprioritizing the stats script, |
| 280 |
* the dns-prefetch is counterproductive — it front-loads DNS resolution for a |
| 281 |
* resource we're intentionally delaying. |
| 282 |
* |
| 283 |
* @since 0.19.5 |
| 284 |
* |
| 285 |
* @param array $urls Array of resource hint URLs. |
| 286 |
* @param string $relation_type The relation type (dns-prefetch, preconnect, etc.). |
| 287 |
* @return array Filtered URLs. |
| 288 |
*/ |
| 289 |
public static function remove_stats_dns_prefetch( $urls, $relation_type ) { |
| 290 |
if ( 'dns-prefetch' !== $relation_type ) { |
| 291 |
return $urls; |
| 292 |
} |
| 293 |
|
| 294 |
return array_filter( |
| 295 |
$urls, |
| 296 |
static function ( $url ) { |
| 297 |
// Resource hints can be arrays that carry the URL under an 'href' key. |
| 298 |
if ( is_array( $url ) ) { |
| 299 |
$candidate = ( isset( $url['href'] ) && is_string( $url['href'] ) ) ? $url['href'] : ''; |
| 300 |
} elseif ( is_string( $url ) ) { |
| 301 |
$candidate = $url; |
| 302 |
} else { |
| 303 |
return true; // Unknown entry shape; leave it untouched. |
| 304 |
} |
| 305 |
|
| 306 |
// dns-prefetch entries arrive in several shapes: WordPress core emits bare |
| 307 |
// hosts ('stats.wp.com') via wp_dependencies_unique_hosts(), while other |
| 308 |
// filters may add scheme-relative ('//stats.wp.com') or full URLs. Normalize |
| 309 |
// each to a host so we drop stats.wp.com exactly without removing look-alike |
| 310 |
// hosts such as 'mystats.wp.com' or 'stats.wp.com.evil.tld'. |
| 311 |
if ( str_starts_with( $candidate, '//' ) ) { |
| 312 |
$host = wp_parse_url( 'https:' . $candidate, PHP_URL_HOST ); |
| 313 |
} elseif ( str_contains( $candidate, '://' ) ) { |
| 314 |
$host = wp_parse_url( $candidate, PHP_URL_HOST ); |
| 315 |
} else { |
| 316 |
$host = $candidate; // Bare host form, e.g. 'stats.wp.com'. |
| 317 |
} |
| 318 |
|
| 319 |
return ! is_string( $host ) || 'stats.wp.com' !== strtolower( $host ); |
| 320 |
} |
| 321 |
); |
| 322 |
} |
| 323 |
|
| 324 |
/** |
| 325 |
* Enqueue the Stats pixel. |
| 326 |
* Do not use this function directly, it is hooked into `wp_enqueue_scripts`. |
| 327 |
* |
| 328 |
* @access public |
| 329 |
* @return void |
| 330 |
*/ |
| 331 |
public static function enqueue_stats_script() { |
| 332 |
if ( self::is_amp_request() ) { |
| 333 |
return; |
| 334 |
} |
| 335 |
|
| 336 |
wp_enqueue_script( |
| 337 |
'jetpack-stats', |
| 338 |
'https://stats.wp.com/e-' . gmdate( 'YW' ) . '.js', |
| 339 |
array(), |
| 340 |
null, // phpcs:ignore WordPress.WP.EnqueuedResourceParameters.MissingVersion -- The version is set in the URL. |
| 341 |
array( |
| 342 |
'in_footer' => true, |
| 343 |
'strategy' => 'defer', |
| 344 |
) |
| 345 |
); |
| 346 |
add_filter( 'wp_script_attributes', array( static::class, 'add_low_fetchpriority' ) ); |
| 347 |
add_filter( 'wp_resource_hints', array( static::class, 'remove_stats_dns_prefetch' ), 100, 2 ); |
| 348 |
|
| 349 |
$data = self::build_view_data(); |
| 350 |
|
| 351 |
/** |
| 352 |
* Filter the parameters added to the JavaScript stats tracking code. |
| 353 |
* |
| 354 |
* @module stats |
| 355 |
* |
| 356 |
* @since-jetpack 10.9 |
| 357 |
* |
| 358 |
* @param array $data Array of options about the site and page you're on. |
| 359 |
*/ |
| 360 |
$data = (array) apply_filters( 'jetpack_stats_footer_js_data', $data ); |
| 361 |
|
| 362 |
$triggers = self::build_stats_details( $data ); |
| 363 |
wp_add_inline_script( |
| 364 |
'jetpack-stats', |
| 365 |
$triggers, |
| 366 |
'before' |
| 367 |
); |
| 368 |
} |
| 369 |
|
| 370 |
/** |
| 371 |
* Gets the tracking pixel URL for AMP output. |
| 372 |
* |
| 373 |
* @access private |
| 374 |
* @param array $data Array of data for the AMP pixel tracker. |
| 375 |
* @return string Returns the URL for the Stats tracker in an AMP scenario. |
| 376 |
*/ |
| 377 |
private static function get_amp_pixel_url( $data ) { |
| 378 |
/** |
| 379 |
* Filter the parameters added to the AMP pixel tracking code. |
| 380 |
* |
| 381 |
* @module stats |
| 382 |
* |
| 383 |
* @since-jetpack 10.9 |
| 384 |
* |
| 385 |
* @param array $data Array of options about the site and page you're on. |
| 386 |
*/ |
| 387 |
$data = (array) apply_filters( 'jetpack_stats_footer_amp_data', $data ); |
| 388 |
|
| 389 |
$data['host'] = isset( $_SERVER['HTTP_HOST'] ) ? sanitize_text_field( wp_unslash( $_SERVER['HTTP_HOST'] ) ) : ''; // input var ok. |
| 390 |
$data['rand'] = 'RANDOM'; // AMP placeholder. |
| 391 |
$data['ref'] = 'DOCUMENT_REFERRER'; // AMP placeholder. |
| 392 |
$data = array_map( 'rawurlencode', $data ); |
| 393 |
return add_query_arg( $data, 'https://pixel.wp.com/g.gif' ); |
| 394 |
} |
| 395 |
|
| 396 |
/** |
| 397 |
* Build an AMP pixel. |
| 398 |
* Do not use this function directly, it is hooked into `wp_footer`. |
| 399 |
* |
| 400 |
* @access public |
| 401 |
* @return void |
| 402 |
*/ |
| 403 |
public static function add_amp_pixel() { |
| 404 |
$data = self::build_view_data(); |
| 405 |
if ( ! self::is_amp_request() ) { |
| 406 |
return; |
| 407 |
} |
| 408 |
|
| 409 |
printf( '<amp-pixel src="%s"></amp-pixel>', esc_url( self::get_amp_pixel_url( $data ) ) ); |
| 410 |
} |
| 411 |
|
| 412 |
/** |
| 413 |
* Stats Footer. |
| 414 |
* |
| 415 |
* @deprecated 0.6.0 |
| 416 |
* |
| 417 |
* @access public |
| 418 |
* @return void |
| 419 |
*/ |
| 420 |
public static function add_to_footer() { |
| 421 |
_deprecated_function( __METHOD__, '0.6.0' ); |
| 422 |
} |
| 423 |
|
| 424 |
/** |
| 425 |
* Gets the footer to add for the Stats tracker. |
| 426 |
* |
| 427 |
* @deprecated 0.6.0 |
| 428 |
* |
| 429 |
* @access public |
| 430 |
* @param array $data Array of data for the JS stats tracker. |
| 431 |
* @return void |
| 432 |
*/ |
| 433 |
public static function get_footer_to_add( $data ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 434 |
_deprecated_function( __METHOD__, '0.6.0' ); |
| 435 |
} |
| 436 |
|
| 437 |
/** |
| 438 |
* Render the stats footer. Kept for backward compatibility on legacy AMF views. |
| 439 |
* |
| 440 |
* @deprecated 0.6.0 |
| 441 |
* |
| 442 |
* @access public |
| 443 |
* @param array $data Array of data for the JS stats tracker. |
| 444 |
*/ |
| 445 |
public static function render_footer( $data ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 446 |
_deprecated_function( __METHOD__, '0.6.0' ); |
| 447 |
} |
| 448 |
|
| 449 |
/** |
| 450 |
* Render the stats footer for AMP output. Kept for backward compatibility. |
| 451 |
* |
| 452 |
* @access public |
| 453 |
* @param array $data Array of data for the AMP pixel tracker. |
| 454 |
*/ |
| 455 |
public static function render_amp_footer( $data ) { |
| 456 |
printf( '<amp-pixel src="%s"></amp-pixel>', esc_url( self::get_amp_pixel_url( $data ) ) ); |
| 457 |
} |
| 458 |
|
| 459 |
/** |
| 460 |
* Creates the "array" string used as part of the JS tracker. |
| 461 |
* |
| 462 |
* @access private |
| 463 |
* @param array $kvs Array of options about the site and page you're on. |
| 464 |
* @return string |
| 465 |
*/ |
| 466 |
private static function stats_array_to_string( $kvs ) { |
| 467 |
/** |
| 468 |
* Filters the options added to the JavaScript Stats tracking code. |
| 469 |
* |
| 470 |
* @since-jetpack 1.1.0 |
| 471 |
* |
| 472 |
* @param array $kvs Array of options about the site and page you're on. |
| 473 |
*/ |
| 474 |
$kvs = (array) apply_filters( self::STATS_ARRAY_TO_STRING_FILTER, $kvs ); |
| 475 |
$kvs = array_map( 'strval', $kvs ); |
| 476 |
|
| 477 |
// Encode into JSON object for direct use in JS. |
| 478 |
return wp_json_encode( $kvs, JSON_UNESCAPED_SLASHES | JSON_HEX_TAG | JSON_HEX_AMP ); |
| 479 |
} |
| 480 |
|
| 481 |
/** |
| 482 |
* Does the page return AMP content. |
| 483 |
* |
| 484 |
* @return bool $is_amp_request Are we on AMP view. |
| 485 |
*/ |
| 486 |
private static function is_amp_request() { |
| 487 |
$is_amp_request = ( function_exists( 'amp_is_request' ) && amp_is_request() ); |
| 488 |
$is_amp_request = $is_amp_request || ( function_exists( 'ampforwp_is_amp_endpoint' ) && ampforwp_is_amp_endpoint() ); |
| 489 |
|
| 490 |
/** |
| 491 |
* Returns true if the current request should return valid AMP content. |
| 492 |
* |
| 493 |
* @since 6.2.0 |
| 494 |
* |
| 495 |
* @param boolean $is_amp_request Is this request supposed to return valid AMP content? |
| 496 |
*/ |
| 497 |
return apply_filters( 'jetpack_is_amp_request', $is_amp_request ); |
| 498 |
} |
| 499 |
} |
| 500 |
|
