_doing_it_wrong( string $function_name, string $message, string $version )

Description

There is a ‘doing_it_wrong_run’ hook that will be called that can be used to get the backtrace up to what file and function called the deprecated function.

The current behavior is to trigger a user error if WP_DEBUG is true.

Parameters

$function_namestringrequired: The function that was called.
$messagestringrequired: A message explaining what has been done incorrectly.
$versionstringrequired: The version of WordPress where the message was added.

Source

function _doing_it_wrong( $function_name, $message, $version ) {

	/**
	 * Fires when the given function is being used incorrectly.
	 *
	 * @since 3.1.0
	 *
	 * @param string $function_name The function that was called.
	 * @param string $message A message explaining what has been done incorrectly.
	 * @param string $version The version of WordPress where the message was added.
	 */
	do_action( 'doing_it_wrong_run', $function_name, $message, $version );

	/**
	 * Filters whether to trigger an error for _doing_it_wrong() calls.
	 *
	 * @since 3.1.0
	 * @since 5.1.0 Added the `$function_name`, `$message`, and `$version` parameters.
	 *
	 * @param bool $trigger Whether to trigger the error for _doing_it_wrong() calls. Default true.
	 * @param string $function_name The function that was called.
	 * @param string $message A message explaining what has been done incorrectly.
	 * @param string $version The version of WordPress where the message was added.
	 */
	if ( WP_DEBUG && apply_filters( 'doing_it_wrong_trigger_error', true, $function_name, $message, $version ) ) {
		if ( function_exists( '__' ) ) {
			if ( $version ) {
				/* translators: %s: Version number. */
				$version = sprintf( __( '(This message was added in version %s.)' ), $version );
			}

			$message .= ' ' . sprintf(
				/* translators: %s: Documentation URL. */
				__( 'Please see <a href="%s">Debugging in WordPress</a> for more information.' ),
				__( 'https://developer.wordpress.org/advanced-administration/debug/debug-wordpress/' )
			);

			$message = sprintf(
				/* translators: Developer debugging message. 1: PHP function name, 2: Explanatory message, 3: WordPress version number. */
				__( 'Function %1$s was called <strong>incorrectly</strong>. %2$s %3$s' ),
				$function_name,
				$message,
				$version
			);
		} else {
			if ( $version ) {
				$version = sprintf( '(This message was added in version %s.)', $version );
			}

			$message .= sprintf(
				' Please see <a href="%s">Debugging in WordPress</a> for more information.',
				'https://developer.wordpress.org/advanced-administration/debug/debug-wordpress/'
			);

			$message = sprintf(
				'Function %1$s was called <strong>incorrectly</strong>. %2$s %3$s',
				$function_name,
				$message,
				$version
			);
		}

		wp_trigger_error( '', $message );
	}
}

View all references View on Trac View on GitHub

Hooks

do_action( ‘doing_it_wrong_run’, , , ): Fires when the given function is being used incorrectly.
apply_filters( ‘doing_it_wrong_trigger_error’, , , , ): Filters whether to trigger an error for _doing_it_wrong() calls.

Uses	Description
wp_trigger_error()`wp-includes/functions.php`	Generates a user-level error/warning/notice/deprecation message.
__()`wp-includes/l10n.php`	Retrieves the translation of $text.
do_action()`wp-includes/plugin.php`	Calls the callback functions that have been added to an action hook.
apply_filters()`wp-includes/plugin.php`	Calls the callback functions that have been added to a filter hook.

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is_feed()`wp-includes/query.php`	Determines whether the query is for a feed.
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is_front_page()`wp-includes/query.php`	Determines whether the query is for the front page of the site.
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is_month()`wp-includes/query.php`	Determines whether the query is for an existing month archive.
is_page()`wp-includes/query.php`	Determines whether the query is for an existing single page.
is_paged()`wp-includes/query.php`	Determines whether the query is for a paged result and not for the first page.
is_archive()`wp-includes/query.php`	Determines whether the query is for an existing archive page.
is_post_type_archive()`wp-includes/query.php`	Determines whether the query is for an existing post type archive page.
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wp_send_json()`wp-includes/functions.php`	Sends a JSON response back to an Ajax request.
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register_uninstall_hook()`wp-includes/plugin.php`	Sets the uninstallation hook for a plugin.
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WP_User_Query::query()`wp-includes/class-wp-user-query.php`	Executes the query, with the current variables.
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wp_delete_post()`wp-includes/post.php`	Trashes or deletes a post or page.
register_post_type()`wp-includes/post.php`	Registers a post type.
get_user_count()`wp-includes/user.php`	Returns the number of active users in your installation.
WP_Scripts::localize()`wp-includes/class-wp-scripts.php`	Localizes a script, only if the script has already been added.
register_nav_menus()`wp-includes/nav-menu.php`	Registers navigation menu locations for a theme.
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wpdb::prepare()`wp-includes/class-wpdb.php`	Prepares a SQL query for safe execution.
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register_sidebar()`wp-includes/widgets.php`	Builds the definition for a single sidebar and returns the ID.
register_meta()`wp-includes/meta.php`	Registers a meta key.

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Changelog

Version	Description
5.4.0	This function is no longer marked as "private".
3.1.0	Introduced.

User Contributed Notes

Skip to note 2 content

To omit the version number from the notice, set the parameter $version to false. Useful for private or internal projects, which may lack version numbers.

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URL: https://developer.wordpress.org/reference/functions/_doing_it_wrong/

⇱ _doing_it_wrong() – Function | Developer.WordPress.org