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How to use Closure class

Best Mockery code snippet using Closure

SerializableClosure.php

Source:SerializableClosure.php

1<?php namespace SuperClosure;2use Closure;3use SuperClosure\Exception\ClosureUnserializationException;4/**5 * This class acts as a wrapper for a closure, and allows it to be serialized.6 *7 * With the combined power of the Reflection API, code parsing, and the infamous8 * `eval()` function, you can serialize a closure, unserialize it somewhere9 * else (even a different PHP process), and execute it.10 */11class SerializableClosure implements \Serializable12{13    /**14     * The closure being wrapped for serialization.15     *16     * @var Closure17     */18    private $closure;19    /**20     * The serializer doing the serialization work.21     *22     * @var SerializerInterface23     */24    private $serializer;25    /**26     * The data from unserialization.27     *28     * @var array29     */30    private $data;31    /**32     * Create a new serializable closure instance.33     *34     * @param Closure                  $closure35     * @param SerializerInterface|null $serializer36     */37    public function __construct(38        \Closure $closure,39        SerializerInterface $serializer = null40    ) {41        $this->closure = $closure;42        $this->serializer = $serializer ?: new Serializer;43    }44    /**45     * Return the original closure object.46     *47     * @return Closure48     */49    public function getClosure()50    {51        return $this->closure;52    }53    /**54     * Delegates the closure invocation to the actual closure object.55     *56     * Important Notes:57     *58     * - `ReflectionFunction::invokeArgs()` should not be used here, because it59     *   does not work with closure bindings.60     * - Args passed-by-reference lose their references when proxied through61     *   `__invoke()`. This is an unfortunate, but understandable, limitation62     *   of PHP that will probably never change.63     *64     * @return mixed65     */66    public function __invoke()67    {68        return call_user_func_array($this->closure, func_get_args());69    }70    /**71     * Clones the SerializableClosure with a new bound object and class scope.72     *73     * The method is essentially a wrapped proxy to the Closure::bindTo method.74     *75     * @param mixed $newthis  The object to which the closure should be bound,76     *                        or NULL for the closure to be unbound.77     * @param mixed $newscope The class scope to which the closure is to be78     *                        associated, or 'static' to keep the current one.79     *                        If an object is given, the type of the object will80     *                        be used instead. This determines the visibility of81     *                        protected and private methods of the bound object.82     *83     * @return SerializableClosure84     * @link http://www.php.net/manual/en/closure.bindto.php85     */86    public function bindTo($newthis, $newscope = 'static')87    {88        return new self(89            $this->closure->bindTo($newthis, $newscope),90            $this->serializer91        );92    }93    /**94     * Serializes the code, context, and binding of the closure.95     *96     * @return string|null97     * @link http://php.net/manual/en/serializable.serialize.php98     */99    public function serialize()100    {101        try {102            $this->data = $this->data ?: $this->serializer->getData($this->closure, true);103            return serialize($this->data);104        } catch (\Exception $e) {105            trigger_error(106                'Serialization of closure failed: ' . $e->getMessage(),107                E_USER_NOTICE108            );109            // Note: The serialize() method of Serializable must return a string110            // or null and cannot throw exceptions.111            return null;112        }113    }114    /**115     * Unserializes the closure.116     *117     * Unserializes the closure's data and recreates the closure using a118     * simulation of its original context. The used variables (context) are119     * extracted into a fresh scope prior to redefining the closure. The120     * closure is also rebound to its former object and scope.121     *122     * @param string $serialized123     *124     * @throws ClosureUnserializationException125     * @link http://php.net/manual/en/serializable.unserialize.php126     */127    public function unserialize($serialized)128    {129        // Unserialize the closure data and reconstruct the closure object.130        $this->data = unserialize($serialized);131        $this->closure = __reconstruct_closure($this->data);132        // Throw an exception if the closure could not be reconstructed.133        if (!$this->closure instanceof Closure) {134            throw new ClosureUnserializationException(135                'The closure is corrupted and cannot be unserialized.'136            );137        }138        // Rebind the closure to its former binding and scope.139        if ($this->data['binding'] || $this->data['isStatic']) {140            $this->closure = $this->closure->bindTo(141                $this->data['binding'],142                $this->data['scope']143            );144        }145    }146    /**147     * Returns closure data for `var_dump()`.148     *149     * @return array150     */151    public function __debugInfo()152    {153        return $this->data ?: $this->serializer->getData($this->closure, true);154    }155}156/**157 * Reconstruct a closure.158 *159 * HERE BE DRAGONS!160 *161 * The infamous `eval()` is used in this method, along with the error162 * suppression operator, and variable variables (i.e., double dollar signs) to163 * perform the unserialization logic. I'm sorry, world!164 *165 * This is also done inside a plain function instead of a method so that the166 * binding and scope of the closure are null.167 *168 * @param array $__data Unserialized closure data.169 *170 * @return Closure|null171 * @internal172 */173function __reconstruct_closure(array $__data)174{175    // Simulate the original context the closure was created in.176    foreach ($__data['context'] as $__var_name => &$__value) {177        if ($__value instanceof SerializableClosure) {178            // Unbox any SerializableClosures in the context.179            $__value = $__value->getClosure();180        } elseif ($__value === Serializer::RECURSION) {181            // Track recursive references (there should only be one).182            $__recursive_reference = $__var_name;183        }184        // Import the variable into this scope.185        ${$__var_name} = $__value;186    }187    // Evaluate the code to recreate the closure.188    try {189        if (isset($__recursive_reference)) {190            // Special handling for recursive closures.191            @eval("\${$__recursive_reference} = {$__data['code']};");192            $__closure = ${$__recursive_reference};193        } else {...

ClosureParserTest.php

Source:ClosureParserTest.php

1<?php2namespace Jeremeamia\SuperClosure\Test;3use Jeremeamia\SuperClosure\ClosureParser;4class ClosureParserTest extends \PHPUnit_Framework_TestCase5{6    /**7     * @covers \Jeremeamia\SuperClosure\ClosureParser::__construct8     * @covers \Jeremeamia\SuperClosure\ClosureParser::getReflection9     */10    public function testCanGetReflectionBackFromParser()11    {12        $closure = function () {};13        $reflection = new \ReflectionFunction($closure);14        $parser = new ClosureParser($reflection);15        $this->assertSame($reflection, $parser->getReflection());16    }17    /**18     * @covers \Jeremeamia\SuperClosure\ClosureParser::fromClosure19     */20    public function testCanUseFactoryMethodToCreateParser()21    {22        $parser = ClosureParser::fromClosure(function () {});23        $this->assertInstanceOf('Jeremeamia\SuperClosure\ClosureParser', $parser);24    }25    /**26     * @covers \Jeremeamia\SuperClosure\ClosureParser::__construct27     */28    public function testRaisesErrorWhenNonClosureIsProvided()29    {30        $this->setExpectedException('InvalidArgumentException');31        $reflection = new \ReflectionFunction('strpos');32        $parser = new ClosureParser($reflection);33    }34    /**35     * @covers \Jeremeamia\SuperClosure\ClosureParser::getCode36     */37    public function testCanGetCodeFromParser()38    {39        $closure = function () {};40        $expectedCode = "function () {\n    \n};";41        $parser = new ClosureParser(new \ReflectionFunction($closure));42        $actualCode = $parser->getCode();43        $this->assertEquals($expectedCode, $actualCode);44    }45    /**46     * @covers \Jeremeamia\SuperClosure\ClosureParser::getUsedVariables47     */48    public function testCanGetUsedVariablesFromParser()49    {50        $foo = 1;51        $bar = 2;52        $closure = function () use ($foo, $bar) {};53        $expectedVars = array('foo' => 1, 'bar' => 2);54        $parser = new ClosureParser(new \ReflectionFunction($closure));55        $actualVars = $parser->getUsedVariables();56        $this->assertEquals($expectedVars, $actualVars);57    }58    /**59     * @covers \Jeremeamia\SuperClosure\ClosureParser::getUsedVariables60     */61    public function testCanGetUsedVariablesWhenOneIsNullFromParser()62    {63        $foo = null;64        $bar = 2;65        $closure = function () use ($foo, $bar) {};66        $expectedVars = array('foo' => null, 'bar' => 2);67        $parser = new ClosureParser(new \ReflectionFunction($closure));68        $actualVars = $parser->getUsedVariables();69        $this->assertEquals($expectedVars, $actualVars);70    }71    /**72     * @covers \Jeremeamia\SuperClosure\ClosureParser::clearCache73     */74    public function testCanClearCache()75    {76        $parserClass = 'Jeremeamia\SuperClosure\ClosureParser';77        $p = new \ReflectionProperty($parserClass, 'cache');78        $p->setAccessible(true);79        $p->setValue(null, array('foo' => 'bar'));80        $this->assertEquals(array('foo' => 'bar'), $this->readAttribute($parserClass, 'cache'));81        ClosureParser::clearCache();82        $this->assertEquals(array(), $this->readAttribute($parserClass, 'cache'));83    }84    /**85     * @covers \Jeremeamia\SuperClosure\ClosureParser::getClosureAbstractSyntaxTree86     * @covers \Jeremeamia\SuperClosure\ClosureParser::getFileAbstractSyntaxTree87     */88    public function testCanGetClosureAst()89    {90        $closure = function () {};91        $parser = new ClosureParser(new \ReflectionFunction($closure));92        $ast = $parser->getClosureAbstractSyntaxTree();93        $this->assertInstanceOf('PHPParser_Node_Expr_Closure', $ast);94    }95}...

Closure

Using AI Code Generation

1use Mockery as m;2use PHPUnit_Framework_MockObject_Matcher_Closure as Closure;3use Mockery as m;4use PHPUnit_Framework_MockObject_Matcher_Closure as Closure;5use Mockery as m;6use PHPUnit_Framework_MockObject_Matcher_Closure as Closure;7use Mockery as m;8use PHPUnit_Framework_MockObject_Matcher_Closure as Closure;9include_once 'PHPUnit.php';10include_once 'PHPUnit.php';11include_once 'PHPUnit.php';

Closure

Using AI Code Generation

1use Mockery as m;2{3    public function tearDown()4    {5        m::close();6    }7    public function testMockery()8    {9        $mock = m::mock('alias:Mockery');10        $mock->shouldReceive('shouldReceive')->once()->andReturn('foo');11        $this->assertEquals('foo', $mock->shouldReceive());12    }13}14use Mockery as m;15{16    public function tearDown()17    {18        m::close();19    }20    public function testMockery()21    {22        $mock = m::mock('alias:Mockery');23        $mock->shouldReceive('shouldReceive')->once()->andReturn('foo');24        $this->assertEquals('foo', $mock->shouldReceive());25    }26}

Closure

Using AI Code Generation

1use Mockery as m;2{3    public function tearDown()4    {5        m::close();6    }7    public function testSomething()8    {9        $closure = m::mock('Closure');10        $closure->shouldReceive('__invoke')->with(1, 2, 3)->once()->andReturn('foo');11        $this->assertEquals('foo', $closure(1, 2, 3));12    }13}14use Mockery as m;15{16    public function tearDown()17    {18        m::close();19    }20    public function testSomething()21    {22        $closure = m::mock('Closure');23        $closure->shouldReceive('__invoke')->with(1, 2, 3)->once()->andReturn('foo');24        $this->assertEquals('foo', $closure(1, 2, 3));25    }26}27use Mockery as m;28{29    public function tearDown()30    {31        m::close();32    }33    public function testSomething()34    {35        $closure = m::mock('Closure');36        $closure->shouldReceive('__invoke')->with(1, 2, 3)->once()->andReturn('foo');37        $this->assertEquals('foo', $closure(1, 2, 3));38    }39}40use Mockery as m;41{42    public function tearDown()43    {44        m::close();45    }46    public function testSomething()47    {48        $closure = m::mock('Closure');49        $closure->shouldReceive('__invoke')->with(1, 2, 3)->once()->andReturn('foo');50        $this->assertEquals('foo', $closure(1, 2, 3));51    }52}53use Mockery as m;54{55    public function tearDown()56    {57        m::close();58    }59    public function testSomething()60    {61        $closure = m::mock('Closure');62        $closure->shouldReceive('__invoke')->with(1, 2,

Closure

Using AI Code Generation

1use Mockery as m;2use PHPUnit\Framework\TestCase;3use PHPSpec2\ObjectBehavior;4{5    public function testSomething()6    {7        $mock = m::mock('MyClass');8        $mock->shouldReceive('foo')->once()->andReturn(1);9        $mock->shouldReceive('bar')->once()->andReturn(2);10        $mock->shouldReceive('baz')->once()->andReturn(3);11        $mock->shouldReceive('qux')->once()->andReturn(4);12        $this->assertEquals(1, $mock->foo());13        $this->assertEquals(2, $mock->bar());14        $this->assertEquals(3, $mock->baz());15        $this->assertEquals(4, $mock->qux());16    }17}18{19    public function it_should_do_something()20    {21        $mock = m::mock('MyClass');22        $mock->shouldReceive('foo')->once()->andReturn(1);23        $mock->shouldReceive('bar')->once()->andReturn(2);24        $mock->shouldReceive('baz')->once()->andReturn(3);25        $mock->shouldReceive('qux')->once()->andReturn(4);26        $this->assertEquals(1, $mock->foo());27        $this->assertEquals(2, $mock->bar());28        $this->assertEquals(3, $mock->baz());29        $this->assertEquals(4, $mock->qux());30    }31}32use Mockery as m;33use PHPUnit\Framework\TestCase;34use PHPSpec2\ObjectBehavior;35{36    public function testSomething()37    {38        $mock = m::mock('MyClass');39        $mock->shouldReceive('foo')->once()->andReturn(1);40        $mock->shouldReceive('bar')->once()->andReturn(2);41        $mock->shouldReceive('baz')->once()->andReturn(3);42        $mock->shouldReceive('qux')->once()->andReturn(4);43        $this->assertEquals(1, $mock->foo());44        $this->assertEquals(2, $mock->bar());45        $this->assertEquals(3, $mock->baz

Closure

Using AI Code Generation

1use Mockery as m;2use PHPUnit\Framework\TestCase;3{4    public function testClosure()5    {6        $closure = function () {7            return 'foo';8        };9        $mock = m::mock($closure);10        $mock->shouldReceive('foo')->andReturn('bar');11        $this->assertSame('bar', $mock->foo());12    }13}

Closure

Using AI Code Generation

1use Mockery as m;2use PHPUnit\Framework\TestCase as PHPUnitTestCase;3{4    public function testFoo()5    {6        $mock = m::mock('Foo');7        $mock->shouldReceive('bar')->andReturnUsing(function ($a, $b) {8            return $a + $b;9        });10        $this->assertEquals(3, $mock->bar(1, 2));11    }12    public function tearDown()13    {14        m::close();15    }16}17use Mockery as m;18use PHPUnit\Framework\TestCase as PHPUnitTestCase;19{20    public function testFoo()21    {22        $mock = m::mock('Foo');23        $mock->shouldReceive('bar')->andReturnUsing(function ($a, $b) {24            return $a + $b;25        });26        $this->assertEquals(3, $mock->bar(1, 2));27    }28    public function tearDown()29    {30        m::close();31    }32}33use Mockery as m;34use PHPUnit\Framework\TestCase as PHPUnitTestCase;35{36    public function testFoo()37    {38        $mock = m::mock('Foo');39        $mock->shouldReceive('bar')->andReturnUsing(function ($a, $b) {40            return $a + $b;41        });42        $this->assertEquals(3, $mock->bar(1, 2));43    }44    public function tearDown()45    {46        m::close();47    }48}49use Mockery as m;50use PHPUnit\Framework\TestCase as PHPUnitTestCase;51{52    public function testFoo()53    {54        $mock = m::mock('Foo');55        $mock->shouldReceive('bar')->andReturnUsing(function ($a, $b) {56            return $a + $b;57        });58        $this->assertEquals(3, $mock->bar(1, 2));59    }60    public function tearDown()61    {62        m::close();63    }64}65use Mockery as m;66use PHPUnit\Framework\TestCase as PHPUnitTestCase;67{68    public function testFoo()69    {70        $mock = m::mock('Foo');71        $mock->shouldReceive('bar')->andReturn

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