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Symfony2 bundle for Ladybug library, the Simple and Extensible PHP Dumper

branch: master
README.md

LadybugBundle

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This bundle provides an easy and extensible var_dump/print_r replacement for Symfony2 projects, both in controllers or Twig templates. For example, with this bundle, the following is possible:

<?php
    class UserController extends Controller
    {
        public function userAction($username) {
            ladybug_dump($username); // or just ld($username)
        }
    }
{{ user.username|ladybug_dump }}

Getting as a result:

Installation

Step 1: Composer

Add the following line to the composer.json file:

{
    "require": {
        "raulfraile/ladybug-bundle": "~1.0"
    }
}

To actually install Ladybug in your project, download the composer binary and run it:

wget http://getcomposer.org/composer.phar
# or
curl -O http://getcomposer.org/composer.phar

php composer.phar install

Step 2: Enable the bundle

Finally, enable the bundle in the kernel:

<?php
// app/AppKernel.php

public function registerBundles()
{
    $bundles = array(
        // ...
        new RaulFraile\Bundle\LadybugBundle\RaulFraileLadybugBundle(),
    );
}

Examples

It is possible to dump any variable, including arrays, objects and resources:

Dumping an array

<?php
    $var = array(1, 2, 3);
    ladybug_dump($var)

Dumping an object

<?php
    ladybug_dump($this->getRequest())

The same can be accomplished using the Twig filter ladybug_dump.

Helpers

The are 5 helpers that can be used in any controller:

ladybug_dump($var1[, $var2[, ...]]): Dumps one or more variables

ladybug_dump_die($var1[, $var2[, ...]]): Dumps one or more variables and terminates the current script

ladybug_dump_return($format, $var1[, $var2[, ...]]): Dumps one or more variables and returns the dump in any of the following formats:

  • yml: Returns the dump in YAML
  • json: Returns the dump in JSON
  • xml: Returns the dump in XML
  • php: Returns the dump in PHP arrays

ladybug_dump_ini([$extension]): Dumps all configuration options

ladybug_dump_ext(): Dumps loaded extensions

There are also some shortcuts in case you are not using this function names:

ld($var1[, $var2[, ...]]): shortcut for ladybug_dump

ldd($var1[, $var2[, ...]]): shortcut for ladybug_dump_die

ldr($format, $var1[, $var2[, ...]]): shortcut for ladybug_return

Only ladybug_dump can be used inside Twig templates.

Symfony profiler integration

Instead of printing out the dump tree inside the HTML document, you can use the Ladybug logger and see the results in a tab of the Symfony profiler:

To make use of the Ladybug logger, grab the ladybug service from the DIC, and call the log method:

<?php
class TestController
{
    public function testAction()
    {
        $var = 1;
        $this->get('ladybug')->log($var);
    }

API reference

Ladybug automatically detects Symfony, Doctrine, Twig, Silex and other classes, and link them to the official documentation.

Configuration

You can configure ladybug library directly in your config.yml file. Here are the defaults:

raul_fraile_ladybug:
    theme: modern # select the theme: base, modern or custom themes
    expanded: false # true to expand all the variables tree by default
    silenced: false # true to ignore all ladybug calls

Credits

License

LadybugBundle is released under the MIT License. See the bundled LICENSE file for details.

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