This is the documentation for the unsupported version 1.0. Please consider upgrading your code to the latest stable version

Configuration

You can provide an array of configuration options to the CommonMarkConverter when creating it:

use League\CommonMark\CommonMarkConverter;

$converter = new CommonMarkConverter([
    'renderer' => [
        'block_separator' => "\n",
        'inner_separator' => "\n",
        'soft_break'      => "\n",
    ],
    'enable_em' => true,
    'enable_strong' => true,
    'use_asterisk' => true,
    'use_underscore' => true,
    'unordered_list_markers' => ['-', '*', '+'],
    'html_input' => 'escape',
    'allow_unsafe_links' => false,
    'max_nesting_level' => INF,
]);

Here’s a list of currently-supported options:

• renderer - Array of options for rendering HTML
  • block_separator - String to use for separating renderer block elements
  • inner_separator - String to use for separating inner block contents
  • soft_break - String to use for rendering soft breaks
• enable_em - Disable <em> parsing by setting to false; enable with true (default: true)
• enable_strong - Disable <strong> parsing by setting to false; enable with true (default: true)
• use_asterisk - Disable parsing of * for emphasis by setting to false; enable with true (default: true)
• use_underscore - Disable parsing of _ for emphasis by setting to false; enable with true (default: true)
• unordered_list_markers - Array of characters that can be used to indicated a bulleted list (default: ["-", "*", "+"])
• html_input - How to handle HTML input. Set this option to one of the following strings:
  • strip - Strip all HTML (equivalent to 'safe' => true)
  • allow - Allow all HTML input as-is (default value; equivalent to `‘safe’ => false)
  • escape - Escape all HTML
• allow_unsafe_links - Remove risky link and image URLs by setting this to false (default: true)
• max_nesting_level - The maximum nesting level for blocks (default: infinite). Setting this to a positive integer can help protect against long parse times and/or segfaults if blocks are too deeply-nested. Added in 0.17.

Additional configuration options are available for some of the available extensions - refer to their individual documentation for more details.

The following options have been deprecated. They will no longer work once 1.0.0 is released:

• safe - Prevents rendering of raw HTML if set to true (default: false)

Environment

The configuration is ultimately passed to (and managed via) the Environment. If you’re creating your own Environment, simply pass your config array into its constructor instead.

The Environment also exposes three methods for managing the configuration:

• setConfig(array $config = []) - Replace the current configuration with something else
• mergeConfig(array $config = []) - Recursively merge the current configuration with the given options
• getConfig(string $key, $default = null) - Returns the config value. For nested configs, use a /-separate path; for example: renderer/soft_break

Learn more about customizing the Environment

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