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rest_handle_deprecated_function › WordPress Function

Since4.4.0
Deprecatedn/a
› rest_handle_deprecated_function ( $function_name, $replacement, $version )
Parameters: (3)
  • (string) $function_name The function that was called.
    Required: Yes
  • (string) $replacement The function that should have been called.
    Required: Yes
  • (string) $version Version.
    Required: Yes
Defined at:
Codex:

Handles _deprecated_function() errors.



Related Functions: rest_handle_deprecated_argument, _deprecated_function, _deprecated_file, _deprecated_argument, rest_handle_options_request

Source 

function rest_handle_deprecated_function( $function_name, $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_name, $version, $replacement );
	} else {
		/* translators: 1: Function name, 2: WordPress version number. */
		$string = sprintf( __( '%1$s (since %2$s; no alternative available)' ), $function_name, $version );
	}

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