<?php

/**

 * Conditionally declares a `readonly()` function, which was renamed

 * to `wp_readonly()` in WordPress 5.9.0.

 *

 * In order to avoid PHP parser errors, this function was extracted

 * to this separate file and is only included conditionally on PHP 8.1.

 *

 * Including this file on PHP >= 8.1 results in a fatal error.

 *

 * @package WordPress

 * @since 5.9.0

 */

/**

 * Outputs the HTML readonly attribute.

 *

 * Compares the first two arguments and if identical marks as readonly.

 *

 * This function is deprecated, and cannot be used on PHP >= 8.1.

 *

 * @since 4.9.0

 * @deprecated 5.9.0 Use wp_readonly() introduced in 5.9.0.

 *

 * @see wp_readonly()

 *

 * @param mixed $readonly One of the values to compare.

 * @param mixed $current  Optional. The other value to compare if not just true.

 *                        Default true.

 * @param bool  $echo     Optional. Whether to echo or just return the string.

 *                        Default true.

 * @return string HTML attribute or empty string.

 */

function readonly( $readonly, $current = true, $echo = true ) {

	_deprecated_function( __FUNCTION__, '5.9.0', 'wp_readonly()' );

	return wp_readonly( $readonly, $current, $echo );

}