wp/wp-includes/php-compat/readonly.php
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Fri, 05 Sep 2025 18:40:08 +0200
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Add CLAUDE.md documentation and sync WordPress core files - Add comprehensive CLAUDE.md documentation file with project architecture, development setup, database operations, WordPress CLI usage, file sync procedures, and Mercurial commands - Update WordPress core files from wordpress/ to wp/ directory - Sync latest WordPress admin interface, includes, and core functionality - Update plugins: portfolio plugin with latest BWS framework and fancybox integration - Maintain custom configuration and theme files 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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<?php
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/**
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 * Conditionally declares a `readonly()` function, which was renamed
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 * to `wp_readonly()` in WordPress 5.9.0.
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 *
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 * In order to avoid PHP parser errors, this function was extracted
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 * to this separate file and is only included conditionally on PHP < 8.1.
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 *
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 * Including this file on PHP >= 8.1 results in a fatal error.
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 *
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 * @package WordPress
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 * @since 5.9.0
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 */
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/**
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 * Outputs the HTML readonly attribute.
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 *
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 * Compares the first two arguments and if identical marks as readonly.
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 *
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 * This function is deprecated, and cannot be used on PHP >= 8.1.
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 *
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 * @since 4.9.0
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 * @deprecated 5.9.0 Use wp_readonly() introduced in 5.9.0.
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 *
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 * @see wp_readonly()
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 *
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 * @param mixed $readonly_value One of the values to compare.
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 * @param mixed $current        Optional. The other value to compare if not just true.
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 *                              Default true.
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 * @param bool  $display        Optional. Whether to echo or just return the string.
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 *                              Default true.
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 * @return string HTML attribute or empty string.
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 */
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function readonly( $readonly_value, $current = true, $display = true ) {
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	_deprecated_function( __FUNCTION__, '5.9.0', 'wp_readonly()' );
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	return wp_readonly( $readonly_value, $current, $display );
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}