PHP code example of taufik-nurrohman / markdown-filter

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

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

    

taufik-nurrohman / markdown-filter example snippets

use function x\markdown_filter\row as filter_row;
use function x\markdown_filter\rows as filter_rows;

 $status) {
    if (0 === $status || 2 === $status) {
        return $block;
    }
    return filter_row($block, function ($chop, $status) {
        if (0 === $status) {
            return $chop;
        }
        // Safely replace `:)` with `😊`
        return strtr($chop, [':)' => '😊']);
    });
});

// You can now convert the Markdown document to HTML using your preferred Markdown converter
echo (new ParsedownExtra)->text($content);
~~~

### Using File

Require the `index.php` file in your application:

~~~ php


use function x\markdown_filter\row as filter_row;
use function x\markdown_filter\rows as filter_rows;

ns that the part of the document is generally not safe
for any kind of text substitutions. It is typically contained in the code and raw HTML chunks. A value of `2` means that
a block can contain other blocks, so it would be better to skip it as well, because indentation usually has a different
meaning in this situation, until then this filter reaches into the inner content of that block.

The main goal of this project is to introduce [the “embed” syntax for Markdown][1], which I believe has never been
discussed before (for this kind of syntax). That’s why I implemented this filter on the test page as a sort of utility
to safely replace the syntax:

![Example][2]

 [1]: https://github.com/taufik-nurrohman/markdown
 [2]: https://github.com/taufik-nurrohman/markdown-filter/assets/1669261/7fe0f9be-9d25-4e1e-b947-8a51a0275a3a

You can also use this filter to strip HTML tags other than those that are written in Markdown’s code syntax. People
usually write HTML syntax there to share a piece of code in your comments section:

~~~ php


use function x\markdown_filter\row as filter_row;
use function x\markdown_filter\rows as filter_rows;

if ('POST' === $_SERVER['REQUEST_METHOD'] && isset($_POST['comment']['content'])) {
    $_POST['comment']['content'] = filter_rows($_POST['comment']['content'], function ($block, $status) {
        if (2 === $status) {
            return $block;
        }
        if (0 === $status) {
            $dent = strspn($block, ' ');
            if ($dent >= 4) {
                return $block; // Code block (indent-style)
            }
            $test = substr($block, $dent);
            if (0 === strpos($test, '```') || 0 === strpos($test, '~~~')) {
                return $block; // Code block (fence-style)
            }
            return strip_tags($block);
        }
        return filter_row($block, function ($chop, $status) {
            if (0 === $status) {
                $test = strspn($chop, '`');
                if ($test > 0 && str_repeat('`', $test) === substr($chop, -$test)) {
                    return $chop; // Code span
                }
            }
            return strip_tags($chop);
        });
    });