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

This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Mark something as being incorrectly called.

Description

There is a hook ‘doing_it_wrong_run’ 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

(string) (Required) The function that was called.

$message

(string) (Required) A message explaining what has been done incorrectly.

$version

(string) (Required) The version of WordPress where the message was added.

Source

File: wp-includes/functions.php

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

	/**
	 * Fires when the given function is being used incorrectly.
	 *
	 * @since 3.1.0
	 *
	 * @param string $function 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, $message, $version );

	/**
	 * Filters whether to trigger an error for _doing_it_wrong() calls.
	 *
	 * @since 3.1.0
	 * @since 5.1.0 Added the $function, $message and $version parameters.
	 *
	 * @param bool   $trigger  Whether to trigger the error for _doing_it_wrong() calls. Default true.
	 * @param string $function 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, $message, $version ) ) {
		if ( function_exists( '__' ) ) {
			if ( is_null( $version ) ) {
				$version = '';
			} else {
				/* translators: %s: version number */
				$version = sprintf( __( '(This message was added in version %s.)' ), $version );
			}
			/* translators: %s: Codex URL */
			$message .= ' ' . sprintf(
				__( 'Please see <a href="%s">Debugging in WordPress</a> for more information.' ),
				__( 'https://codex.wordpress.org/Debugging_in_WordPress' )
			);
			/* translators: Developer debugging message. 1: PHP function name, 2: Explanatory message, 3: Version information message */
			trigger_error( sprintf( __( '%1$s was called <strong>incorrectly</strong>. %2$s %3$s' ), $function, $message, $version ) );
		} else {
			if ( is_null( $version ) ) {
				$version = '';
			} else {
				$version = sprintf( '(This message was added in version %s.)', $version );
			}
			$message .= sprintf(
				' Please see <a href="%s">Debugging in WordPress</a> for more information.',
				'https://codex.wordpress.org/Debugging_in_WordPress'
			);
			trigger_error( sprintf( '%1$s was called <strong>incorrectly</strong>. %2$s %3$s', $function, $message, $version ) );
		}
	}
}

Changelog

Version Description
3.1.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/_doing_it_wrong