Play with Patchwork / Parser

.gitignore

/vendor/

README.md

Play with Patchwork / Parser

git clone https://gist.github.com/8559739.git try-patchwork-php-parser
cd try-patchwork-php-parser
composer install
vendor/patchwork/php-parser/bin/ppp t1.php

composer.json

{
    "name": "lyrixx/try-patchwork-php-parser",
    "authors": [
        {
            "name": "Grégoire Pineau",
            "email": "lyrixx@lyrixx.info"
        }
    ],
    "require": {
        "patchwork/php-parser": "dev-master@dev"
    }
}

composer.lock

{
    "_readme": [
        "This file locks the dependencies of your project to a known state",
        "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file"
    ],
    "hash": "70bad0b5ed3ecead466edff96240557c",
    "packages": [
        {
            "name": "patchwork/php-parser",
            "version": "dev-master",
            "source": {
                "type": "git",
                "url": "https://github.com/nicolas-grekas/Patchwork-PHP-Parser.git",
                "reference": "efa452233b275cb144a0f9383e218c1c730d07db"
            },
            "dist": {
                "type": "zip",
                "url": "https://api.github.com/repos/nicolas-grekas/Patchwork-PHP-Parser/zipball/efa452233b275cb144a0f9383e218c1c730d07db",
                "reference": "efa452233b275cb144a0f9383e218c1c730d07db",
                "shasum": ""
            },
            "require": {
                "php": ">=5.3.0"
            },
            "type": "library",
            "autoload": {
                "psr-0": {
                    "Patchwork": "class/"
                }
            },
            "notification-url": "https://packagist.org/downloads/",
            "license": [
                "(Apache-2.0 or GPL-2.0)"
            ],
            "authors": [
                {
                    "name": "Nicolas Grekas",
                    "email": "p@tchwork.com",
                    "role": "Developer"
                }
            ],
            "description": "Fast and extensible PHP code analysis and transformation",
            "homepage": "https://github.com/nicolas-grekas/Patchwork-PHP-Parser",
            "keywords": [
                "parser",
                "php",
                "tokenizer"
            ],
            "time": "2014-01-22 14:06:57"
        }
    ],
    "packages-dev": [

    ],
    "aliases": [

    ],
    "minimum-stability": "stable",
    "stability-flags": {
        "patchwork/php-parser": 20
    },
    "platform": [

    ],
    "platform-dev": [

    ]
}

t1.php

<?php

function abc($s)
{
    return strlen($s) * strlen($s);
}

function def(&$a = 5)
{
    $a = 'oups';

    return 12;
}

// Patchwork\Shim is not a real function but a parser macro
// that takes the replaced function as first arg
// the replacement function as second
// and the parameters signatures (with optional default value/reference)

// Of course these remplacement are useless and for demo purpose only.
// See https://github.com/nicolas-grekas/Patchwork/blob/master/core/compat/bootup.patchwork.php
// for more useful uses of the feature.

Patchwork\Shim(strlen, abc, $s);
Patchwork\Shim(count, def, &$a = 5);

include __DIR__.'/t2.php';

t2.php

<?php

$var = 'vvv';

echo strlen($var), "\n";
echo count($var), "\n";
echo $var, "\n";