Download the PHP package techdev-solutions/exar without Composer

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Informations about the package exar

exar-framework

A lightweight AOP layer for PHP.

Installation

The simplest way to use Exar is to install it via Composer.

Create a composer.json file in your project root and define the dependency:

{
    "require": {
        "techdev-solutions/exar": "dev-master"
    },
    "minimum-stability": "dev"
}

Install Composer in your project:

curl -s http://getcomposer.org/installer | php

Tell Composer to download and install the dependencies:

php composer.phar install

Now you are ready to code with Exar!

Creating a simple PHP application using Exar

Create a package with a PHP class (e.g. /lib/MyProject/Person.php) that will become AOP features provided by Exar:

namespace MyProject;

/**
 * @Exar
 */
class Person {
    private $firstName;
    private $lastName;

    public function __construct($firstName, $lastName) {
        $this->firstName = $firstName;
        $this->lastName = $lastName;
    }

    /**
     * @Track
     */
    public function setFirstName($firstName) {
        $this->firstName = $firstName;
    }

    public function getFirstName() {
        return $this->firstName;
    }

    public function getLastName() {
        return $this->lastName;
    }
}

Create index.php file in the project root which will be the main file of your application:

/** load Composer dependencies */
require_once 'vendor/autoload.php';

/** add your class directory (where MyProject/Person.php is) to the include path */
set_include_path(dirname(__FILE__) . '/lib/' . PATH_SEPARATOR . get_include_path());

/** register namespaces that will be loaded by Exar (the namespace of Person.php) */
Exar\Autoloader::register(dirname(__FILE__) . '/_cache', array('MyProject'));

$person = new MyProject\Person('John', 'Smith');
echo 'first name = '.$person->getFirstName() . PHP_EOL;
echo 'last name = '.$person->getLastName() . PHP_EOL;

$person->setFirstName('Jim');
echo 'first name = '.$person->getFirstName() . PHP_EOL;
echo 'last name = '.$person->getLastName() . PHP_EOL;

Now run index.php and see the console output:

first name = John
last name = Smith
Before invocation: MyProject\Person->setFirstName (03.07.2014 11:45:48)
After returning: MyProject\Person->setFirstName (03.07.2014 11:45:48)
After invocation: MyProject\Person->setFirstName (03.07.2014 11:45:48)
first name = Jim
last name = Smith

What happened?

You created a Person object and printed the first and the last name. After that, you set the first name again. Since the method setFirstName is annotated with @Track, Exar intercepts the method execution and invokes the correspondent interceptor code. In this case, @Track just echoes the class and the name of the intercepted method, with the current timestamp. This example shows how Exar works: It adds functionality to your PHP classes on the basis of annotations within docblocks.

Stay tuned for more docs and examples!


All versions of exar with dependencies

PHP Build Version
Package Version
Requires php Version >=5.3
ext-tokenizer Version *
nikic/php-parser Version 1.0.*@dev
nikic/fast-route Version master
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