PHP CLI Syntax Highlighter

This is a tool to syntax highlight PHP code for display on a terminal. It takes in an AST produced by nikic/php-parser and prints the code. It only decorates a subset of the language. It is literally a copy-paste of PrettyPrinter/Standard with some decorating added around the printing.

Usage

use PhpSchool\PSX\Factory;

$highlighterFactory = new Factory;
$highlighter = $highlighterFactory->__invoke();

echo $highlighter->highlight($phpCode);

The colouring by default uses kevinlebrun/colors.php. You can use any library you want by building an adapter class which implements \PhpSchool\PSX\ColourAdapterInterface, you will need to map the colours in \PhpSchool\PSX\Colours to your library.

Customising Colours

use PhpParser\ParserFactory;
use Colors\Color;
use PhpSchool\PSX\SyntaxHighlighter;
use PhpSchool\PSX\SyntaxHighlightPrinter;
use PhpSchool\PSX\SyntaxHighlighterConfig;
use PhpSchool\PSX\ColorsAdapter;

$parserFactory  = new ParserFactory;
$color          = new Color;
$color->setForceStyle(true);
$highlighter = new SyntaxHighlighter(
    $parserFactory->create(ParserFactory::PREFER_PHP7),
    new SyntaxHighlightPrinter(
        new SyntaxHighlighterConfig([
            SyntaxHighlighterConfig::TYPE_KEYWORD       => Colours::GREEN,
            SyntaxHighlighterConfig::TYPE_RETURN_NEW    => Colours::BLACK,
        ]),
        new ColorsAdapter($color)
    )
);

This will set any keywords as green and return & new statements as black.

Types

Types are defined in \PhpSchool\PSX\SyntaxHighlighterConfig Each type can have a it's own colour. Every keyword inside each type will be coloured by that colour.

TYPE_KEYWORD

• if
• elseif
• else
• for
• foreach
• while
• do
• switch
• finally
• try
• catch
• break
• continue
• throw
• goto
• function

TYPE_BRACE

• {
• }

TYPE_STRING

• 'some-string'

TYPE_CONSTRUCT

• echo

TYPE_RETURN_NEW

• return
• new

TYPE_VAR_DEREF

• ->

TYPE_CALL_PARENTHESIS

• (
• )

TYPE_CLASS

• SyntaxHighlighterConfig

TYPE_OPEN_TAG

• <?php