wp_doing_ajax()

Determines whether the current request is a WordPress Ajax request.

Contents

Return Return

(bool) True if it's a WordPress Ajax request, false otherwise.

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Source Source

File: wp-includes/load.php 

function wp_doing_ajax() {
	/**
	 * Filters 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 );
}

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Uses Uses

Uses
Uses Description
wp-includes/load.php: wp_doing_ajax

Filters whether the current request is a WordPress Ajax request.
wp-includes/plugin.php: apply_filters()

Calls the callback functions that have been added to a filter hook.

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Used By Used By

Used By
Used By Description
wp-includes/load.php: is_protected_endpoint()

Determines whether we are currently on an endpoint that should be protected against WSODs.
wp-includes/load.php: is_protected_ajax_action()

Determines whether we are currently handling an Ajax action that should be protected against WSODs.
wp-includes/comment.php: wp_check_comment_flood()

Checks whether comment flooding is occurring.
wp-admin/includes/class-wp-comments-list-table.php: WP_Comments_List_Table::handle_row_actions()

Generate and display row actions links.
wp-admin/includes/class-wp-terms-list-table.php: WP_Terms_List_Table::handle_row_actions()

Generates and displays row action links.
wp-admin/includes/theme.php: themes_api()

Retrieves theme installer pages from the WordPress.org Themes API.
wp-admin/includes/class-wp-list-table.php: WP_List_Table::set_pagination_args()

An internal method that sets all the necessary pagination arguments
wp-admin/includes/ms.php: check_upload_size()

Determine if uploaded file exceeds space quota.
wp-admin/includes/dashboard.php: wp_dashboard_cached_rss_widget()

Checks to see if all of the feed url in $check_urls are cached.
wp-admin/includes/class-wp-comments-list-table.php: WP_Comments_List_Table::prepare_items()
wp-admin/includes/class-wp-terms-list-table.php: WP_Terms_List_Table::column_name()
wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::doing_ajax()

Return true if it’s an Ajax request.
wp-includes/theme.php: _wp_customize_include()

Includes and instantiates the WP_Customize_Manager class.
wp-includes/pluggable.php: check_ajax_referer()

Verifies the Ajax request to prevent processing requests external of the blog.
wp-includes/pluggable.php: wp_validate_auth_cookie()

Validates authentication cookie.
wp-includes/load.php: wp_debug_mode()

Set PHP error reporting based on WordPress debug settings.
wp-includes/functions.php: wp_send_json()

Send a JSON response back to an Ajax request.
wp-includes/functions.php: wp_die()

Kills WordPress execution and displays HTML page with an error message.
wp-includes/class-wp-ajax-response.php: WP_Ajax_Response::send()

Display XML formatted responses.
wp-includes/option.php: wp_user_settings()

Saves and restores user interface settings stored in a cookie.
wp-includes/comment.php: wp_allow_comment()

Validates whether this comment is allowed to be made.
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Changelog Changelog

Changelog
Version Description
4.7.0 Introduced.

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User Contributed Notes User Contributed Notes

  1. Skip to note 1 content
    You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note
    Contributed by ashwin.parthasarathi —

    In a PHP code, if we want to differentiate its output behavior based on how it is being called (like a normal function or like a WP AJAX callback), then we should use the wp_doing_ajax() function like below,

    function wpdocs_render() {

	/* ........ SOME LOGIC ....... */
	
	$return_data = array( 'success'  => true );
	
	if ( wp_doing_ajax() ) {
		wp_send_json_success( $return_data );
	} else {
		return $return_data;
	}

}

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