laravel_ioc_container_sample.php

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

class Foo
{
    /**
     * @var string
     */
    protected $message;

    /**
     * @var string $message
     */
    public function __construct($message = '')
    {
        $this->message = $message;
    }

    /**
     * @return string
     */
    public function getMessage()
    {
        return $this->message;
    }
}


$app = new \Illuminate\Foundation\Application();

// make
$foo = $app->make('Foo'); // message = ''
assert($foo->getMessage() === '');

$foo = $app->make('Foo', ['Hello']); // message = 'Hello'
assert($foo->getMessage() === 'Hello');

$foo = $app['Foo']; // message = ''
assert($foo->getMessage() === '');

// bind
$app->bind('foo_bind', 'Foo');
$foo = $app->make('foo_bind');
assert($foo->getMessage() === '');

$app->bind('foo_bind', function($app) {
    return new Foo('foo_bind');
});
$foo = $app->make('foo_bind');
assert($foo->getMessage() === 'foo_bind');

$foo1 = $app->make('foo_bind');
assert($foo !== $foo1);

// bindShared
$app->bindShared('foo_bind_shared', function($app) {
    return new Foo('foo_bind_shared');
});
$foo1 = $app->make('foo_bind_shared');
$foo2 = $app->make('foo_bind_shared');
assert($foo1 === $foo2);

// bindIf
$app->bindIf('foo_bind', function($app) {
    return new Foo('foo_bind_if');
});
$foo = $app->make('foo_bind'); // not changed

// instance
$app->instance('foo_instance', new Foo('instance'));
$foo = $app->make('foo_instance'); // message == 'instance'
assert($foo->getMessage() === 'instance');

$foo1 = $app->make('foo_instance'); // message == 'instance'
assert($foo === $foo1);

// singleton
$app->singleton('foo_singleton', 'Foo');
$foo1 = $app->make('foo_singleton'); // message == 'foo_singleton'
$foo2 = $app->make('foo_singleton'); // message == 'foo_singleton'
assert($foo1 === $foo2);

$app->singleton('foo_singleton_closure', function($app) {
    return new Foo('foo_singleton_closure');
});
$foo1 = $app->make('foo_singleton_closure'); // message == 'foo_singleton_closure'
$foo2 = $app->make('foo_singleton_closure'); // message == 'foo_singleton_closure'
assert($foo1 === $foo2);

// alias
$app->alias('foo', 'bar');
$bar = $app->make('bar'); // message == 'foo'
assert(get_class($bar) === 'Foo');

// array
$app['foo_set'] = function() {
    return new Foo('foo_set');
};
$foo = $app->make('foo_set');
assert($foo->getMessage() === 'foo_set');

// extend
$app->extend('foo_bind', function($foo, $app) {
    $foo->extend = 'ex';
    return $foo;
});
$foo = $app->make('foo_bind'); // message == 'foo_bind', extend = 'ex'
assert($foo->getMessage() === 'foo_bind');
assert($foo->extend === 'ex');