Installing Corcel

Version Compatibility
Installing Corcel
Database Setup
Usage
Contributing
License

Version Compatibility

Laravel	Corcel
5.1.x	2.1.x
5.2.x	2.2.x
5.3.x	2.3.x
5.4.x	2.4.x
5.5.x	2.5.x
5.6.x	2.6.x
5.7.x	2.7.x

Installing Corcel

You need to use Composer to install Corcel into your project:

composer require jgrossi/corcel

Configuring (Laravel)

Now you have to include CorcelServiceProvider in your config/app.php:

'providers' => [
    /*
     * Package Service Providers...
     */
    Corcel\Laravel\CorcelServiceProvider::class,
]

Now configure our config file to make sure your database is set correctly and to allow you to register custom post types and shortcodes in a very easy way:

Run the following Artisan command in your terminal:

php artisan vendor:publish --provider="Corcel\Laravel\CorcelServiceProvider"

Now you have a config/corcel.php config file, where you can set the database connection with WordPress tables and much more.

Database Setup

Laravel Setup

Just set the database connection you want to be used by Corcel in config/corcel.php.

Let' suppose you have those following database connections in your config/database.php file:

// File: /config/database.php

'connections' => [

    'mysql' => [ // for Laravel database
        'driver'    => 'mysql',
        'host'      => 'localhost',
        'database'  => 'mydatabase',
        'username'  => 'admin'
        'password'  => 'secret',
        'charset'   => 'utf8',
        'collation' => 'utf8_unicode_ci',
        'prefix'    => '',
        'strict'    => false,
        'engine'    => null,
    ],

    'wordpress' => [ // for WordPress database (used by Corcel)
        'driver'    => 'mysql',
        'host'      => 'localhost',
        'database'  => 'mydatabase',
        'username'  => 'admin',
        'password'  => 'secret',
        'charset'   => 'utf8',
        'collation' => 'utf8_unicode_ci',
        'prefix'    => 'wp_',
        'strict'    => false,
        'engine'    => null,
    ],
],

In this case you should want to use the wordpress connection for Corcel, so just set it into the Corcel config file config/corcel.php:

'connection' => 'wordpress',

Other PHP Framework (not Laravel) Setup

Here you have to configure the database to fit the Corcel requirements. First, you should include the Composer autoload file if not already loaded:

require __DIR__ . '/vendor/autoload.php';

Now you must set your WordPress database params:

$params = array(
    'database'  => 'database_name',
    'username'  => 'username',
    'password'  => 'pa$$word',
    'prefix'    => 'wp_' // default prefix is 'wp_', you can change to your own prefix
);
Corcel\Database::connect($params);

You can specify all Eloquent params, but some are default (but you can override them).

'driver'    => 'mysql',
'host'      => 'localhost',
'charset'   => 'utf8',
'collation' => 'utf8_unicode_ci',
'prefix'    => 'wp_', // Specify the prefix for WordPress tables, default prefix is 'wp_'

Usage

Posts

Every time you see Post::method(), if you're using your own Post class (where you set the connection name), like App\Post you should use App\Post::method() and not Post::method(). All the examples are assuming you already know this difference.

In the examples, every time you see Post::method() assume Corcel\Model\Post::method().

// All published posts
$posts = Post::published()->get();
$posts = Post::status('publish')->get();

// A specific post
$post = Post::find(31);
echo $post->post_title;

Creating your own model classes

Optionally you can create your own Post model (or Page, or whatever) which extends Corcel\Post. Then set the connection name (if you want to override the Corcel's default one) you're using, in this case foo-bar:

Extending Corcel\Model\Post class can add flexibility to your project, once you can add custom methods and logic, according what you need to use from your WordPress database.

<?php // File: app/Post.php

namespace App;

use Corcel\Model\Post as Corcel;

class Post extends Corcel
{
    protected $connection = 'foo-bar';

    public function customMethod() {
        //
    }
}

So, now you can fetch WP database data using your own class:

$posts = App\Post::all(); // using the 'foo-bar' connection

Just remember you don't have to extends our Post class, you can use Corcel\Model\Post and all others model without any problem.

Meta Data (Custom Fields)

NOTE: In Corcel v1 you could save meta data using the Post::save() method. That's not allowed anymore. Use saveMeta() or createMeta() (see below) methods to save post meta.

You can retrieve meta data from posts too.

// Get a custom meta value (like 'link' or whatever) from a post (any type)
$post = Post::find(31);
echo $post->meta->link; // OR
echo $post->fields->link;
echo $post->link; // OR

To create or update meta data form a User just use the saveMeta() or saveField() methods. They return bool like the Eloquent save() method.

$post = Post::find(1);
$post->saveMeta('username', 'jgrossi');

You can save many meta data at the same time too:

$post = Post::find(1);
$post->saveMeta([
    'username' => 'jgrossi',
    'url' => 'http://jgrossi.com',
]);

You also have the createMeta() and createField() methods, that work like the saveX() methods, but they are used only for creation and return the PostMeta created instance, instead of bool.

$post = Post::find(1);
$postMeta = $post->createMeta('foo', 'bar'); // instance of PostMeta class
$trueOrFalse = $post->saveMeta('foo', 'baz'); // boolean

Querying Posts by Custom Fields (Meta)

There are multiples possibilities to query posts by their custom fields (meta) by using scopes on a Post (or another other model which uses the HasMetaFields trait) class:

To check if a meta key exists, use the hasMeta() scope:

// Finds a published post with a meta flag.
$post = Post::published()->hasMeta('featured_article')->first();

If you want to precisely match a meta-field, you can use the hasMeta() scope with a value.

// Find a published post which matches both meta_key and meta_value.
$post = Post::published()->hasMeta('username', 'jgrossi')->first();

If you need to match multiple meta-fields, you can also use the hasMeta() scope passing an array as parameter:

$post = Post::hasMeta(['username' => 'jgrossi'])->first();
$post = Post::hasMeta(['username' => 'jgrossi', 'url' => 'jgrossi.com'])->first();
// Or just passing the keys
$post = Post::hasMeta(['username', 'url'])->first();

If you need to match a case-insensitive string, or match with wildcards, you can use the hasMetaLike() scope with a value. This uses an SQL LIKE operator, so use '%' as a wildcard operator.

// Will match: 'J Grossi', 'J GROSSI', and 'j grossi'.
$post = Post::published()->hasMetaLike('author', 'J GROSSI')->first();

// Using % as a wildcard will match: 'J Grossi', 'J GROSSI', 'j grossi', 'Junior Grossi' etc.
$post = Post::published()->hasMetaLike('author', 'J%GROSSI')->first();

Fields Aliases

The Post class has support to "aliases", so if you check the Post class you should note some aliases defined in the static $aliases array, like title for post_title and content for post_content.

$post = Post::find(1);
$post->title === $post->post_title; // true

If you're extending the Post class to create your own class you can use $aliases too. Just add new aliases to that static property inside your own class and it will automatically inherit all aliases from parent Post class:

class A extends \Corcel\Post
{
    protected static $aliases = [
        'foo' => 'post_foo',
    ];
}

$a = A::find(1);
echo $a->foo;
echo $a->title; // from Post class

Custom Scopes

To order posts you can use newest() and oldest() scopes, for both Post and User classes:

$newest = Post::newest()->first();
$oldest = Post::oldest()->first();

Pagination

To order posts just use Eloquent paginate() method:

$posts = Post::published()->paginate(5);
foreach ($posts as $post) {
    // ...
}

To display the pagination links just call the links() method:

{{ $posts->links() }}

Advanced Custom Fields (ACF)

If you want to retrieve a custom field created by the Advanced Custom Fields (ACF) plugin, you have to install the corcel/acf plugin - click here for more information - and call the custom field like this:

$post = Post::find(123);
echo $post->acf->some_radio_field;
$repeaterFields = $post->acf->my_repeater_name;

To avoid unnecessary SQL queries just set the field type you're requesting. Usually two SQL queries are necessary to get the field type, so if you want to specify it you're skipping those extra queries:

$post = Post::find(123);
echo $post->acf->text('text_field_name');
echo $post->acf->boolean('boolean_field_name');

Custom Post Type

You can work with custom post types too. You can use the type(string) method or create your own class.

// using type() method
$videos = Post::type('video')->status('publish')->get();

// using your own class
class Video extends Corcel\Post
{
    protected $postType = 'video';
}
$videos = Video::status('publish')->get();

Using type() method will make Corcel to return all objects as Corcel\Post. Using your custom class you have the advantage to customize classes, including custom methods and properties, return all objects as Video, for example.

Custom post types and meta data:

// Get 3 posts with custom post type (store) and show its address
$stores = Post::type('store')->status('publish')->take(3)->get();
foreach ($stores as $store) {
    $storeAddress = $store->address; // option 1
    $storeAddress = $store->meta->address; // option 2
    $storeAddress = $store->fields->address; // option 3
}

Configuring the returning Instance

Every time you call something like Post::type('video)->first() or Video::first() you receive a Corcel\Model\Post instance.

If you choose to create a new class for your custom post type, you can have this class be returned for all instances of that post type.

Registering Post Types (the easy way)

Instead of call Post::registerPostType() method for all custom post type you want to register, just use the Corcel's config file and map all custom posts and it's classes. They will be registered automatically for you:

'post_types' => [
    'video' => App\Video::class,
    'foo' => App\Foo::class,
]

So every time you query a custom post type the mapped instance will be returned.

This is particular useful when you are intending to get a Collection of Posts of different types (e.g. when fetching the posts defined in a menu).

Registering Post Types (the hard way)

//all objects in the $videos Collection will be instances of Post
$videos = Post::type('video')->status('publish')->get();

// register the video custom post type and its particular class
Post::registerPostType('video', '\App\Video')


//now all objects in the $videos Collection will be instances of Video
$videos = Post::type('video')->status('publish')->get();

You can also do this for inbuilt classes, such as Page or Post. Simply register the Page or Post class with the associated post type string, and that object will be returned instead of the default one.

Shortcodes

From config (Laravel)

You can map all shortcodes you want inside the config/corcel.php file, under the 'shortcodes' key. In this case you should create your own class that implements the Corcel\Shortcode interface, that requires a render() method:

'shortcodes' => [
    'foo' => App\Shortcodes\FooShortcode::class,
    'bar' => App\Shortcodes\BarShortcode::class,
],

This is a sample shortcode class:

class FakeShortcode implements \Corcel\Shortcode
{
    /**
     * @param ShortcodeInterface $shortcode
     * @return string
     */
    public function render(ShortcodeInterface $shortcode)
    {
        return sprintf(
            'html-for-shortcode-%s-%s',
            $shortcode->getName(),
            $shortcode->getParameter('one')
        );
    }
}

In runtime

You can add shortcodes by calling the addShortcode method on the Post model :

// [gallery id="1"]
Post::addShortcode('gallery', function ($shortcode) {
    return $shortcode->getName() . '.' . $shortcode->getParameter('id');
});
$post = Post::find(1);
echo $post->content;

Laravel 5.5 uses Package Auto-Discovery, so doesn't require you to manually add the ServiceProvider

If you are using Laravel, we suggest adding your shortcodes handlers in App\Providers\AppServiceProvider, in the boot method.

Shortcode Parsing

Shortcodes are parsed with the thunderer/shortcode library.

Several different parsers are provided. RegularParser is the most technically correct and is provided by default. This is suitable for most cases. However if you encounter some irregularities in your shortcode parsing, you may need to configure Corcel to use the WordpressParser, which more faithfully matches WordPress' shortcode regex. To do this, if you are using Laravel, edit the config/corcel.php file, and uncomment your preferred parser. Alternatively, you can replace this with a parser of your own.

'shortcode_parser' => Thunder\Shortcode\Parser\RegularParser::class,
// 'shortcode_parser' => Thunder\Shortcode\Parser\WordpressParser::class,

If you are not using Laravel, you can to do this in runtime, calling the setShortcodeParser() method from any class which uses the Shortcodes trait, such as Post, for example.

$post->setShortcodeParser(new WordpressParser());
echo $post->content; // content parsed with "WordpressParser" class

For more information about the shortcode package, click here.

Taxonomies

You can get taxonomies for a specific post like:

$post = Post::find(1);
$taxonomy = $post->taxonomies()->first();
echo $taxonomy->taxonomy;

Or you can search for posts using its taxonomies:

$post = Post::taxonomy('category', 'php')->first();

Post Format

You can also get the post format, like the WordPress function get_post_format():

echo $post->getFormat(); // should return something like 'video', etc

Pages

Pages are like custom post types. You can use Post::type('page') or the Corcel\Model\Page class.

use Corcel\Model\Page;

// Find a page by slug
$page = Page::slug('about')->first(); // OR
$page = Post::type('page')->slug('about')->first();
echo $page->post_title;

Categories and Taxonomies

Get a category or taxonomy or load posts from a certain category. There are multiple ways to achieve it.

// all categories
$cat = Taxonomy::category()->slug('uncategorized')->posts->first();
echo "<pre>"; print_r($cat->name); echo "</pre>";

// only all categories and posts connected with it
$cat = Taxonomy::where('taxonomy', 'category')->with('posts')->get();
$cat->each(function($category) {
    echo $category->name;
});

// clean and simple all posts from a category
$cat = Category::slug('uncategorized')->posts->first();
$cat->posts->each(function($post) {
    echo $post->post_title;
});

Attachment and Revision

Getting the attachment and/or revision from a Post or Page.

$page = Page::slug('about')->with('attachment')->first();
// get feature image from page or post
print_r($page->attachment);

$post = Post::slug('test')->with('revision')->first();
// get all revisions from a post or page
print_r($post->revision);

Thumbnails

Getting the thumbnail for a Post or Page.

$post = Post::find(1);

// Retrieve an instance of Corcel\Model\Meta\ThumbnailMeta.
print_r($post->thumbnail);

// For convenience you may also echo the thumbnail instance to get the URL of the original image.
echo $post->thumbnail;

To retrieve a particular thumbnail size you may call the ->size() method on the thumbnail object and pass in a thumbnail size string parameter (e.g. thumbnail or medium). If the thumbnail has been generated, this method returns an array of image metadata, otherwise the original image URL will be returned as a fallback.

if ($post->thumbnail !== null) {
    /**
     * [
     *     'file' => 'filename-300x300.jpg',
     *     'width' => 300,
     *     'height' => 300,
     *     'mime-type' => 'image/jpeg',
     *     'url' => 'http://localhost/wp-content/uploads/filename-300x300.jpg',
     * ]
     */
    print_r($post->thumbnail->size(Corcel\Model\Meta\ThumbnailMeta::SIZE_THUMBNAIL));

    // http://localhost/wp-content/uploads/filename.jpg
    print_r($post->thumbnail->size('invalid_size'));
}

Options

In previous versions of Corcel this classe was called Options instead of Option (singular). So take care of using always this class in the singular form starting from v2.0.0.

The Option::getAll() method was removed in Corcel 2+, in favor of Option::asArray($keys []).

You can use the Option class to get data from wp_options table:

$siteUrl = Option::get('siteurl');

You can also add new options:

Option::add('foo', 'bar'); // stored as string
Option::add('baz', ['one' => 'two']); // this will be serialized and saved

You can get all options in a simple array:

$options = Option::asArray();
echo $options['siteurl'];

Or you can specify only the keys you want to get:

$options = Option::asArray(['siteurl', 'home', 'blogname']);
echo $options['home'];

Users

You can manipulate users in the same manner you work with posts:

// All users
$users = User::get();

// A specific user
$user = User::find(1);
echo $user->user_login;

Authentication

Using Laravel

Make sure you have CorcelServiceProvider provider registered in config/app.php :

'providers' => [
    // Other Service Providers

    Corcel\Laravel\CorcelServiceProvider::class,
],

And then, define the user provider in config/auth.php to allow Laravel to login with WordPress users:

'providers' => [
    'users' => [
        'driver' => 'corcel',
        'model'  => Corcel\Model\User::class,
    ],
],

Now you can use the Auth facade to authenticate users:

Auth::validate([
    'email' => '[email protected]', // or using 'username' too
    'password' => 'secret',
]);

To make Laravel's Password Reset work with Corcel, we have to override how passwords are stored in the database. To do this, you must change Auth/PasswordController.php from:

use App\Http\Controllers\Controller;
use Illuminate\Foundation\Auth\ResetsPasswords;

class PasswordController extends Controller
{
    use ResetsPasswords;

to

use App\Http\Controllers\Controller;
use Illuminate\Foundation\Auth\ResetsPasswords;
use Corcel\Laravel\Auth\ResetsPasswords as CorcelResetsPasswords;

class PasswordController extends Controller
{
    use ResetsPasswords, CorcelResetsPasswords {
        CorcelResetsPasswords::resetPassword insteadof ResetsPasswords;
    }

Not using Laravel

You can use the AuthUserProvider class to manually authenticate a user :

$userProvider = new Corcel\Laravel\Auth\AuthUserProvider;
$user = $userProvider->retrieveByCredentials(['username' => 'admin']);
if(!is_null($user) && $userProvider->validateCredentials($user, ['password' => 'admin'])) {
    // successfully login
}

Remember you can use both username and email as credentials for a User.

Running Tests

To run the phpunit tests, execute the following command :

./vendor/bin/phpunit

If you have the global phpunit command installed you can just type:

phpunit

All tests were written using Sqlite with :memory database, so it runs in your memory. All tests use factories and migrations. Take a look on tests/database/factories and tests/database/migrations directories for more information.

Contributing

All contributions are welcome to help improve Corcel.

Before you submit your Pull Request (PR) consider the following guidelines:

Fork https://github.com/corcel/corcel in Github;
Clone your forked repository (not Corcel's) locally and create your own branch based on the version you want to fix (2.1, 2.2, 2.3, 2.4 or 2.5): git checkout -b my-fix-branch 2.5;
Make all code changes. Remember here to write at least one test case for any feature you add or any bugfix (if it's not tested yet). Our goal is to have 100% of the code covered by tests, so help us to write a better code ;-) If you don' have experience with tests it's a good opportunity to learn. Just take a look into our tests cases and you'll see how simple they are.
Run the unit tests locally to make sure your changes did not break any other piece of code;
Push your new branch to your forked repository, usually git push origin HEAD should work;
In GitHub again, create a Pull Request (PR) from your custom my-fix-branch branch (from your forked repository) to the related branch (corcel:2.5, for example, not corcel:master, please;
Wait for the approval :-)

Name		Name	Last commit message	Last commit date
Latest commit History 893 Commits
.github		.github
src		src
tests		tests
.gitignore		.gitignore
.styleci.yml		.styleci.yml
.travis.yml		.travis.yml
README.md		README.md
composer.json		composer.json
composer.lock		composer.lock
phpunit.xml		phpunit.xml

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Table of Contents

Installing Corcel

Version Compatibility

Installing Corcel

Configuring (Laravel)

Database Setup

Laravel Setup

Other PHP Framework (not Laravel) Setup

Usage

Posts

Creating your own model classes

Meta Data (Custom Fields)

Querying Posts by Custom Fields (Meta)

Fields Aliases

Custom Scopes

Pagination

Advanced Custom Fields (ACF)

Custom Post Type

Configuring the returning Instance

Registering Post Types (the easy way)

Registering Post Types (the hard way)

Shortcodes

From config (Laravel)

In runtime

Shortcode Parsing

Taxonomies

Post Format

Pages

Categories and Taxonomies

Attachment and Revision

Thumbnails

Options

Menu

Multi-levels Menus

Users

Authentication

Using Laravel

Not using Laravel

Running Tests

Contributing

Licence

About

Resources

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