Preserve Code Formatting

Extended Description

$wpdb->query("
        INSERT INTO $tablepostmeta
        (post_id,meta_key,meta_value)
        VALUES ('$post_id','link','$extended')
");

$wpdb->query(—
INSERT INTO $tablepostmeta
(post_id,meta_key,meta_value)
VALUES ('$post_id','link','$extended')
―);

Installation

Release Log

5.0 (2025-08-10)

• Security and hardening:
  • Hardening: Prevent regex pattern injection vulnerability
  • Hardening: Prevent object injection vulnerability. Props Patchstack.
  • Hardening: Prevent bypassing preprocessor by removing any explicit pseudo-tags from content
  • Hardening: Prevent processing of excessively large content
  • Hardening: Prevent unintended markup in translated strings before display
  • Hardening: Prevent content-native usage of token string used internally to chunk data
• Performance:
  • Change: Improve performance of processing tags to be preserved
  • Change: Bail early if there are no tags configured to be preserved
  • Change: Skip tags that have no content
  • Change: Centralize regex patterns in new get_preprocess_regex_pattern() and get_postprocess_regex_pattern()
  • Change: Use more efficient preg_replace_callback() for tag extractions
• Block editor and content handling:
  • New: Prevent processing of all block editor content (plugin was designed for text view, not block editor)
  • Fix: Prevent unintended greediness when multiple instances of a tag are present
• UI and styling:
  • New: Output class of “preserve-code-formatting” for all tags that were processed
  • Change: Output example ‘code’ and ‘pre’ tags within ‘code’ tags within setting page description
• Framework and compatibility:
  • Change: Update plugin framework to 070
  • Change: Note compatibility through WP 6.8+
  • Change: Drop compatibility with versions of WP older than 5.5
  • Change: Note compatibility through PHP 8.3+
  • Change: Update copyright date (2025)
• Code quality and documentation:
  • New: Add FAQ entry explaining nested tag deficiency
  • Change: Update get_c2c_string() to add new strings
  • Change: Improve some docblock documentation
  • Change: Tweak some README.md formatting
  • Change: Tweak installation instructions
  • Change: Reduce number of tags defined in readme.txt
  • Change: Note removal of development and testing related files from release packaging
  • Change: Add missing release dates for earlier releases, as well as add an omitted release

4.0.1 (2021-04-14)

• Fix: Update plugin framework to 061 to fix a bug preventing settings from getting saved

4.0 (2021-04-03)

• This recommended release prevents potential conflicts with other plugins (such as SyntaxHighlighter), updates the plugin framework, and notes compatibility through WP 5.7+.

Details:

• Change: Use {!{ and }!} instead of [[ and ]] to prevent interpretation as shortcodes, fixing conflict with SyntaxHighlighter. Props azito122.
• Change: Update plugin framework to 060
  • 060:
  • Rename class from c2c_{PluginName}_Plugin_051 to c2c_Plugin_060
  • Move string translation handling into inheriting class making the plugin framework code plugin-agnostic
    • Add abstract function get_c2c_string() as a getter for translated strings
    • Replace all existing string usage with calls to get_c2c_string()
  • Handle WordPress’s deprecation of the use of the term “whitelist”
    • Change: Rename whitelist_options() to allowed_options()
    • Change: Use add_allowed_options() instead of deprecated add_option_whitelist() for WP 5.5+
    • Change: Hook allowed_options filter instead of deprecated whitelist_options for WP 5.5+
  • New: Add initial unit tests (currently just covering is_wp_version_cmp() and get_c2c_string())
  • Add is_wp_version_cmp() as a utility to compare current WP version against a given WP version
  • Refactor contextual_help() to be easier to read, and correct function docblocks
  • Don’t translate urlencoded donation email body text
  • Add inline comments for translators to clarify purpose of placeholders
  • Change PHP package name (make it singular)
  • Tweak inline function description
  • Note compatibility through WP 5.7+
  • Update copyright date (2021)
  • 051:
  • Allow setting integer input value to include commas
  • Use number_format_i18n() to format integer value within input field
  • Update link to coffee2code.com to be HTTPS
  • Update readme_url() to refer to plugin’s readme.txt on plugins.svn.wordpress.org
  • Remove defunct line of code
• Change: Move translation of all parent class strings into main plugin file
• Change: Note compatibility through WP 5.7+
• Change: Update copyright date (2021)

Copyright & Disclaimer

Discussion / Support

Have any questions, comments, or suggestions? Please provide them via the plugin’s WordPress.org support forum. I’ll do my best to reply in a timely fashion and help as best I can.

Unfortunately, I cannot provide guaranteed support, nor do I provide support via any other means.

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