File "readonly.php"
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<?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_value One of the values to compare.
* @param mixed $current Optional. The other value to compare if not just true.
* Default true.
* @param bool $display Optional. Whether to echo or just return the string.
* Default true.
* @return string HTML attribute or empty string.
*/
function readonly( $readonly_value, $current = true, $display = true ) {
_deprecated_function( __FUNCTION__, '5.9.0', 'wp_readonly()' );
return wp_readonly( $readonly_value, $current, $display );
}