h1. PHP-Textile

"Textile reference":https://textile-lang.com/ | "Live editor":https://textile-lang.com/doc

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PHP-Textile is a modern Textile markup language parser for PHP. Textile is a humane web text generator that takes lightweight, readable, plaintext-like markup language and converts it into well formed HTML.

h2. Install

Using "Composer":https://getcomposer.org/:

bc. $ composer require netcarver/textile

h2. Usage

The Textile parser can be accessed through the @Netcarver\Textile\Parser@ class. The class is highly configurable, and actual parsing happens with the @parse@ method:

bc. require './vendor/autoload.php';
$parser = new \Netcarver\Textile\Parser();
echo $parser->parse('h1. Hello World!');

h3. Parsing untrusted input

If you are using PHP-Textile to format user-supplied input, blog comments for instance, remember to enable restricted parser mode:

bc. $parser = new \Netcarver\Textile\Parser();
echo $parser
    ->setRestricted(true)
    ->parse('!bad/image/not/allowed.svg!');

In restricted mode PHP-Textile doesn't allow more powerful formatting options such as inline styles, and removes any raw HTML.

h3. Parsing single-line fields

If you are using PHP-Textile as a field-level formatter to parse just inline spans and glyphs, use the @setBlockTags@ method to disable block tags:

bc. $parser = new \Netcarver\Textile\Parser();
echo $parser
    ->setBlockTags(false)
    ->parse('Hello *strong* world!');

The above outputs:

bc. Hello <strong>strong</strong> world!

h3. Doctypes

Currently, PHP-Textile can target either XHTML or HTML5 output with XHTML being the default for backward compatibility. The targeted doctype can be changed via the @setDocumentType@ method:

bc. $parser = new \Netcarver\Textile\Parser();
echo $parser
    ->setDocumentType('html5')
    ->parse('HTML(HyperText Markup Language)');

h3. Setting alternate glyphs

Textile's typographic substitutions can be overridden with the @setSymbol@ method. If you need to setup Textile to do non-standard substitutions, call @setSymbol@ before you parse the input with @parse@.

bc. $parser = new \Netcarver\Textile\Parser();
$parser
    ->setSymbol('half', '1&#8260;2')
    ->parse('Hello [1/2] World!');

The symbol names you can pass to @setSymbol@ can be found "here":https://github.com/textile/php-textile/blob/v3.6.1/src/Netcarver/Textile/Parser.php#L710.

h3. Prefixing relative image and link paths

Setting prefix might be useful if you want to point relative paths to certain consistent location:

bc. $parser = new \Netcarver\Textile\Parser();
$parser
    ->setImagePrefix('/user/uploads')
    ->setLinkPrefix('/')
    ->parse('!image.jpg! "link":page');

h2. Getting in contact

The PHP-Textile project welcomes constructive input and bug reports from users. Please "open an issue":https://github.com/textile/php-textile/issues on the repository for a comment, feature request or bug.