rest_handle_deprecated_function( string $function, string $replacement, string $version )

Handles _deprecated_function() errors.

Parameters

$function

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

$replacement

(string) (Required) The function that should have been called.

$version

(string) (Required) Version.

Source

File: wp-includes/rest-api.php

function rest_handle_deprecated_function( $function, $replacement, $version ) {
	if ( ! WP_DEBUG || headers_sent() ) {
		return;
	}
	if ( ! empty( $replacement ) ) {
		/* translators: 1: Function name, 2: WordPress version number, 3: New function name. */
		$string = sprintf( __( '%1$s (since %2$s; use %3$s instead)' ), $function, $version, $replacement );
	} else {
		/* translators: 1: Function name, 2: WordPress version number. */
		$string = sprintf( __( '%1$s (since %2$s; no alternative available)' ), $function, $version );
	}

	header( sprintf( 'X-WP-DeprecatedFunction: %s', $string ) );
}

Changelog

Version Description
4.4.0 Introduced.

© 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/rest_handle_deprecated_function