diff --git a/src/wp-admin/includes/class-wp-comments-list-table.php b/src/wp-admin/includes/class-wp-comments-list-table.php
index 116a55e06f..cb7801870d 100644
--- a/src/wp-admin/includes/class-wp-comments-list-table.php
+++ b/src/wp-admin/includes/class-wp-comments-list-table.php
@@ -94,7 +94,7 @@ class WP_Comments_List_Table extends WP_List_Table {
$comments_per_page = $this->get_per_page( $comment_status );
- $doing_ajax = defined( 'DOING_AJAX' ) && DOING_AJAX;
+ $doing_ajax = wp_doing_ajax();
if ( isset( $_REQUEST['number'] ) ) {
$number = (int) $_REQUEST['number'];
@@ -600,7 +600,7 @@ class WP_Comments_List_Table extends WP_List_Table {
( ( ( 'approve' === $action || 'unapprove' === $action ) && 2 === $i ) || 1 === $i ) ? $sep = '' : $sep = ' | ';
// Reply and quickedit need a hide-if-no-js span when not added with ajax
- if ( ( 'reply' === $action || 'quickedit' === $action ) && ! defined('DOING_AJAX') )
+ if ( ( 'reply' === $action || 'quickedit' === $action ) && ! wp_doing_ajax() )
$action .= ' hide-if-no-js';
elseif ( ( $action === 'untrash' && $the_comment_status === 'trash' ) || ( $action === 'unspam' && $the_comment_status === 'spam' ) ) {
if ( '1' == get_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', true ) )
diff --git a/src/wp-admin/includes/class-wp-list-table.php b/src/wp-admin/includes/class-wp-list-table.php
index ee0f9af593..68053517db 100644
--- a/src/wp-admin/includes/class-wp-list-table.php
+++ b/src/wp-admin/includes/class-wp-list-table.php
@@ -284,7 +284,7 @@ class WP_List_Table {
$args['total_pages'] = ceil( $args['total_items'] / $args['per_page'] );
// Redirect if page number is invalid and headers are not already sent.
- if ( ! headers_sent() && ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) && $args['total_pages'] > 0 && $this->get_pagenum() > $args['total_pages'] ) {
+ if ( ! headers_sent() && ! wp_doing_ajax() && $args['total_pages'] > 0 && $this->get_pagenum() > $args['total_pages'] ) {
wp_redirect( add_query_arg( 'paged', $args['total_pages'] ) );
exit;
}
diff --git a/src/wp-admin/includes/class-wp-terms-list-table.php b/src/wp-admin/includes/class-wp-terms-list-table.php
index e765794a4e..638d4e758f 100644
--- a/src/wp-admin/includes/class-wp-terms-list-table.php
+++ b/src/wp-admin/includes/class-wp-terms-list-table.php
@@ -367,7 +367,7 @@ class WP_Terms_List_Table extends WP_List_Table {
$qe_data = get_term( $tag->term_id, $taxonomy, OBJECT, 'edit' );
- $uri = ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ? wp_get_referer() : $_SERVER['REQUEST_URI'];
+ $uri = wp_doing_ajax() ? wp_get_referer() : $_SERVER['REQUEST_URI'];
$edit_link = add_query_arg(
'wp_http_referer',
@@ -425,7 +425,7 @@ class WP_Terms_List_Table extends WP_List_Table {
$tax = get_taxonomy( $taxonomy );
$default_term = get_option( 'default_' . $taxonomy );
- $uri = ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ? wp_get_referer() : $_SERVER['REQUEST_URI'];
+ $uri = wp_doing_ajax() ? wp_get_referer() : $_SERVER['REQUEST_URI'];
$edit_link = add_query_arg(
'wp_http_referer',
diff --git a/src/wp-admin/includes/dashboard.php b/src/wp-admin/includes/dashboard.php
index e517f956c7..f923c70ce0 100644
--- a/src/wp-admin/includes/dashboard.php
+++ b/src/wp-admin/includes/dashboard.php
@@ -966,7 +966,7 @@ function wp_dashboard_rss_output( $widget_id ) {
*/
function wp_dashboard_cached_rss_widget( $widget_id, $callback, $check_urls = array() ) {
$loading = '' . __( 'Loading…' ) . '
' . __( 'This widget requires JavaScript.' ) . '
';
- $doing_ajax = ( defined('DOING_AJAX') && DOING_AJAX );
+ $doing_ajax = wp_doing_ajax();
if ( empty($check_urls) ) {
$widgets = get_option( 'dashboard_widget_options' );
diff --git a/src/wp-admin/includes/ms.php b/src/wp-admin/includes/ms.php
index c88123a1fa..b2e4f86e88 100644
--- a/src/wp-admin/includes/ms.php
+++ b/src/wp-admin/includes/ms.php
@@ -40,7 +40,7 @@ function check_upload_size( $file ) {
$file['error'] = __( 'You have used your space quota. Please delete files before uploading.' );
}
- if ( $file['error'] != '0' && ! isset( $_POST['html-upload'] ) && ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) ) {
+ if ( $file['error'] != '0' && ! isset( $_POST['html-upload'] ) && ! wp_doing_ajax() ) {
wp_die( $file['error'] . ' ' . __( 'Back' ) . '' );
}
diff --git a/src/wp-admin/includes/theme.php b/src/wp-admin/includes/theme.php
index 73567e1fd1..9fbd71298c 100644
--- a/src/wp-admin/includes/theme.php
+++ b/src/wp-admin/includes/theme.php
@@ -459,7 +459,7 @@ function themes_api( $action, $args = array() ) {
$request = wp_remote_post( $url, $http_args );
if ( $ssl && is_wp_error( $request ) ) {
- if ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) {
+ if ( ! wp_doing_ajax() ) {
trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the support forums.' ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE );
}
$request = wp_remote_post( $http_url, $http_args );
diff --git a/src/wp-includes/class-wp-ajax-response.php b/src/wp-includes/class-wp-ajax-response.php
index f02d24ee75..a86d8dd532 100644
--- a/src/wp-includes/class-wp-ajax-response.php
+++ b/src/wp-includes/class-wp-ajax-response.php
@@ -149,7 +149,7 @@ class WP_Ajax_Response {
foreach ( (array) $this->responses as $response )
echo $response;
echo '';
- if ( defined( 'DOING_AJAX' ) && DOING_AJAX )
+ if ( wp_doing_ajax() )
wp_die();
else
die();
diff --git a/src/wp-includes/class-wp-customize-manager.php b/src/wp-includes/class-wp-customize-manager.php
index daa5884512..5ee3b6d90d 100644
--- a/src/wp-includes/class-wp-customize-manager.php
+++ b/src/wp-includes/class-wp-customize-manager.php
@@ -315,8 +315,7 @@ final class WP_Customize_Manager {
* @return bool True if it's an Ajax request, false otherwise.
*/
public function doing_ajax( $action = null ) {
- $doing_ajax = ( defined( 'DOING_AJAX' ) && DOING_AJAX );
- if ( ! $doing_ajax ) {
+ if ( ! wp_doing_ajax() ) {
return false;
}
diff --git a/src/wp-includes/comment.php b/src/wp-includes/comment.php
index b816a51f4d..72434e0900 100644
--- a/src/wp-includes/comment.php
+++ b/src/wp-includes/comment.php
@@ -632,7 +632,7 @@ function wp_allow_comment( $commentdata ) {
* @param array $commentdata Comment data.
*/
do_action( 'comment_duplicate_trigger', $commentdata );
- if ( defined( 'DOING_AJAX' ) ) {
+ if ( wp_doing_ajax() ) {
die( __('Duplicate comment detected; it looks as though you’ve already said that!') );
}
wp_die( __( 'Duplicate comment detected; it looks as though you’ve already said that!' ), 409 );
@@ -768,7 +768,7 @@ function check_comment_flood_db( $ip, $email, $date ) {
*/
do_action( 'comment_flood_trigger', $time_lastcomment, $time_newcomment );
- if ( defined('DOING_AJAX') )
+ if ( wp_doing_ajax() )
die( __('You are posting comments too quickly. Slow down.') );
wp_die( __( 'You are posting comments too quickly. Slow down.' ), 429 );
diff --git a/src/wp-includes/functions.php b/src/wp-includes/functions.php
index 0e084fd66d..96312798fc 100644
--- a/src/wp-includes/functions.php
+++ b/src/wp-includes/functions.php
@@ -2570,7 +2570,7 @@ function wp_die( $message = '', $title = '', $args = array() ) {
$title = '';
}
- if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
+ if ( wp_doing_ajax() ) {
/**
* Filters the callback for killing WordPress execution for Ajax requests.
*
@@ -3064,7 +3064,7 @@ function _wp_json_prepare_data( $data ) {
function wp_send_json( $response ) {
@header( 'Content-Type: application/json; charset=' . get_option( 'blog_charset' ) );
echo wp_json_encode( $response );
- if ( defined( 'DOING_AJAX' ) && DOING_AJAX )
+ if ( wp_doing_ajax() )
wp_die();
else
die;
diff --git a/src/wp-includes/load.php b/src/wp-includes/load.php
index c81cd9b055..403d460641 100644
--- a/src/wp-includes/load.php
+++ b/src/wp-includes/load.php
@@ -334,7 +334,7 @@ function wp_debug_mode() {
error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );
}
- if ( defined( 'XMLRPC_REQUEST' ) || defined( 'REST_REQUEST' ) || ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ) {
+ if ( defined( 'XMLRPC_REQUEST' ) || defined( 'REST_REQUEST' ) || wp_doing_ajax() ) {
@ini_set( 'display_errors', 0 );
}
}
@@ -1027,3 +1027,21 @@ function wp_is_ini_value_changeable( $setting ) {
return false;
}
+
+/**
+ * Determines whether the current request is a WordPress Ajax request.
+ *
+ * @since 4.7.0
+ *
+ * @return bool True if it's a WordPress Ajax request, false otherwise.
+ */
+function wp_doing_ajax() {
+ /**
+ * Filter whether the current request is a WordPress Ajax request.
+ *
+ * @since 4.7.0
+ *
+ * @param bool $wp_doing_ajax Whether the current request is a WordPress Ajax request.
+ */
+ return apply_filters( 'wp_doing_ajax', defined( 'DOING_AJAX' ) && DOING_AJAX );
+}
diff --git a/src/wp-includes/option.php b/src/wp-includes/option.php
index 233c58d441..2293b0154f 100644
--- a/src/wp-includes/option.php
+++ b/src/wp-includes/option.php
@@ -786,7 +786,7 @@ function set_transient( $transient, $value, $expiration = 0 ) {
*/
function wp_user_settings() {
- if ( ! is_admin() || defined( 'DOING_AJAX' ) ) {
+ if ( ! is_admin() || wp_doing_ajax() ) {
return;
}
diff --git a/src/wp-includes/pluggable.php b/src/wp-includes/pluggable.php
index 5c7747774b..0da1f73aaa 100644
--- a/src/wp-includes/pluggable.php
+++ b/src/wp-includes/pluggable.php
@@ -603,7 +603,7 @@ function wp_validate_auth_cookie($cookie = '', $scheme = '') {
$expired = $expiration = $cookie_elements['expiration'];
// Allow a grace period for POST and Ajax requests
- if ( defined('DOING_AJAX') || 'POST' == $_SERVER['REQUEST_METHOD'] ) {
+ if ( wp_doing_ajax() || 'POST' == $_SERVER['REQUEST_METHOD'] ) {
$expired += HOUR_IN_SECONDS;
}
@@ -1104,7 +1104,7 @@ function check_ajax_referer( $action = -1, $query_arg = false, $die = true ) {
do_action( 'check_ajax_referer', $action, $result );
if ( $die && false === $result ) {
- if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
+ if ( wp_doing_ajax() ) {
wp_die( -1 );
} else {
die( '-1' );
diff --git a/src/wp-includes/update.php b/src/wp-includes/update.php
index 59b618c31a..5f074dcd14 100644
--- a/src/wp-includes/update.php
+++ b/src/wp-includes/update.php
@@ -678,7 +678,7 @@ function wp_clean_update_cache() {
delete_site_transient( 'update_core' );
}
-if ( ( ! is_main_site() && ! is_network_admin() ) || ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ) {
+if ( ( ! is_main_site() && ! is_network_admin() ) || wp_doing_ajax() ) {
return;
}