1<?php
  2/**
  3 * Conditionally declares a `readonly()` function, which was renamed
  4 * to `wp_readonly()` in WordPress 5.9.0.
  5 *
  6 * In order to avoid PHP parser errors, this function was extracted
  7 * to this separate file and is only included conditionally on PHP < 8.1.
  8 *
  9 * Including this file on PHP >= 8.1 results in a fatal error.
 10 *
 11 * @package WordPress
 12 * @since 5.9.0
 13 */
 14
 15/**
 16 * Outputs the HTML readonly attribute.
 17 *
 18 * Compares the first two arguments and if identical marks as readonly.
 19 *
 20 * This function is deprecated, and cannot be used on PHP >= 8.1.
 21 *
 22 * @since 4.9.0
 23 * @deprecated 5.9.0 Use wp_readonly() introduced in 5.9.0.
 24 *
 25 * @see wp_readonly()
 26 *
 27 * @param mixed $readonly_value One of the values to compare.
 28 * @param mixed $current        Optional. The other value to compare if not just true.
 29 *                              Default true.
 30 * @param bool  $display        Optional. Whether to echo or just return the string.
 31 *                              Default true.
 32 * @return string HTML attribute or empty string.
 33 */
 34function readonly( $readonly_value, $current = true, $display = true ) {
 35	_deprecated_function( __FUNCTION__, '5.9.0', 'wp_readonly()' );
 36	return wp_readonly( $readonly_value, $current, $display );
 37}
 38