PHP code example of cebe / markdown

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

cebe / markdown example snippets

// traditional markdown and parse full text
$parser = new \cebe\markdown\Markdown();
echo $parser->parse($markdown);

// use github markdown
$parser = new \cebe\markdown\GithubMarkdown();
echo $parser->parse($markdown);

// use markdown extra
$parser = new \cebe\markdown\MarkdownExtra();
echo $parser->parse($markdown);

// parse only inline elements (useful for one-line descriptions)
$parser = new \cebe\markdown\GithubMarkdown();
echo $parser->parseParagraph($markdown);

[
    'h1', 'h2', 'h3', 'h4', 'h5', 'h6',
    'hr',
    'pre', 'code',
    'blockquote',
    'table', 'tr', 'td', 'th', 'thead', 'tbody',
    'strong', 'em', 'b', 'i', 'u', 's', 'span',
    'a', 'p', 'br', 'nobr',
    'ul', 'ol', 'li',
    'img',
],

['th.align', 'td.align', 'ol.start', 'code.class']

class MyMarkdown extends \cebe\markdown\Markdown
{
	protected function identifyFencedCode($line, $lines, $current)
	{
		// if a line starts with at least 3 backticks it is identified as a fenced code block
		if (strncmp($line, '

	protected function consumeFencedCode($lines, $current)
	{
		// create block array
		$block = [
			'fencedCode',
			'content' => [],
		];
		$line = rtrim($lines[$current]);

		// detect language and fence length (can be more than 3 backticks)
		$fence = substr($line, 0, $pos = strrpos($line, '`') + 1);
		$language = substr($line, $pos);
		if (!empty($language)) {
			$block['language'] = $language;
		}

		// consume all lines until 

	protected function renderFencedCode($block)
	{
		$class = isset($block['language']) ? ' class="language-' . $block['language'] . '"' : '';
		return "<pre><code$class>" . htmlspecialchars(implode("\n", $block['content']) . "\n", ENT_NOQUOTES, 'UTF-8') . '</code></pre>';
	}
   

class MyMarkdown extends \cebe\markdown\Markdown
{
	/**
	 * @marker ~~
	 */
	protected function parseStrike($markdown)
	{
		// check whether the marker really represents a strikethrough (i.e. there is a closing ~~)
		if (preg_match('/^~~(.+?)~~/', $markdown, $matches)) {
			return [
			    // return the parsed tag as an element of the abstract syntax tree and call `parseInline()` to allow
			    // other inline markdown elements inside this tag
				['strike', $this->parseInline($matches[1])],
				// return the offset of the parsed text
				strlen($matches[0])
			];
		}
		// in case we did not find a closing ~~ we just return the marker and skip 2 characters
		return [['text', '~~'], 2];
	}

	// rendering is the same as for block elements, we turn the abstract syntax array into a string.
	protected function renderStrike($element)
	{
		return '<del>' . $this->renderAbsy($element[1]) . '</del>';
	}
}

class MyMarkdown extends Parser
{
	// lineTrait;
	use block\HtmlTrait {
		parseInlineHtml as private;
	}
	use block\ListTrait {
		// Check Ul List before headline
		identifyUl as protected identifyBUl;
		consumeUl as protected consumeBUl;
	}
	use block\QuoteTrait;
	use block\RuleTrait {
		// Check Hr before checking lists
		identifyHr as protected identifyAHr;
		consumeHr as protected consumeAHr;
	}
	// 

	/**
	 * @var array these are "escapeable" characters. When using one of these prefixed with a
	 * backslash, the character will be outputted without the backslash and is not interpreted
	 * as markdown.
	 */
	protected $escapeCharacters = [
		'\\', // backslash
		'`', // backtick
		'*', // asterisk
		'_', // underscore
		'{', '}', // curly braces
		'[', ']', // square brackets
		'(', ')', // parentheses
		'#', // hash mark
		'+', // plus sign
		'-', // minus sign (hyphen)
		'.', // dot
		'!', // exclamation mark
		'<', '>',
	];