CODEWITHSUNDEEP
phplaravel
Nguyen Hung
Nguyen Hung

Reputation: 127

Import library of php to laravel project

I had a problem importing libraries into the Laravel project. I want to use the image_QRCode-0.1.3 library coded in php used in Project Laravel.

https://pear.php.net/package/Image_QRCode/download

but when I use the require command in class QRCodeController 

<?php


namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;

require_once "../../../Library/Image_QRCode-0.1.3/Image_QRCode-0.1.3/Image/QRCode.php";

class QRCodeController extends Controller {
    public function genQRCode()
    {
        $QR = new \Image_QRCode();
        $option = array(
            'module_size' => 4,
            'image_type' => 'png',
            'output_type' => 'display',
            'error_correct' => 'H',
        );

        $qrcode = $QR->makeCode(htmlspecialchars("https://blog.shnr.net/?p=526", ENT_QUOTES), $option);
    } 
}

The program did not run and reported an error.

Please help me, thanks you so much !

Upvotes: 4

Views: 11465

Answers (1)

rkg
rkg

Reputation: 881

To use external classes or any other PHP library into your Laravel project, you have to do the following steps:

1. Create a folder somewhere in your Laravel app that will contain the PHP files you're going to use:

For example you have a custom class, create a folder in the directory app/libraries. Inside app/libraries, paste the PHP files you'll be using (the library files you've downloaded).

2. In your composer.json file, add the folder/directory into your autoload classmap:

"autoload": {
        "classmap": [
            "app/commands",
            "app/controllers",
            "app/models",
            "app/libraries", <------------------ YOUR CUSTOM DIRECTORY
            "app/database/migrations",
            "app/database/seeds",
        ]
    }

3. Once you're done, just run composer dump-autoload and you should be able to call your class as follows:

Assuming your class name is SomeClass.php and it's inside the app/libraries directory and you're properly namespaced the class you've just copied over, you can now use SomeClass.php anywhere you need it.

$class = new \some_class_namespace\SomeClass();

You can also give it an alias in your config/app.php file:

/*
|--------------------------------------------------------------------------
| Class Aliases
|--------------------------------------------------------------------------
|
| This array of class aliases will be registered when this application
| is started. However, feel free to register as many as you wish as
| the aliases are "lazy" loaded so they don't hinder performance.
|
*/

'aliases' => [
    ....
    'SomeAlias' => 'app\libraries\SomeClass',
    ....
],

After then you can instantiate the class from anywhere in your application just like any other classes:

$class = new SomeAlias();

Upvotes: 11

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