PHP ReflectionParameter::isPassedByReference方法代码示例

 public function exportCode()
 {
     $default_value = null;
     if ($this->_parameter->isDefaultValueAvailable()) {
         $default_value = $this->_parameter->getDefaultValue();
         if (is_scalar($default_value) && !is_numeric($default_value)) {
             $default_value = "'{$default_value}'";
         }
     } elseif ($this->_parameter->isOptional()) {
         $default_value = 'NULL';
     }
     return sprintf('%s%s$%s%s', $this->_parameter->getClass() ? "{$this->_parameter->getClass()->getName()} " : '', $this->_parameter->isPassedByReference() ? '&' : '', $this->_parameter->getName(), $default_value ? " = {$default_value}" : '');
 }

 public function __construct(ReflectionParameter $param)
 {
     if (method_exists('ReflectionParameter', 'getType')) {
         if ($type = $param->getType()) {
             $this->type_hint = (string) $type;
         }
     } else {
         if ($param->isArray()) {
             $this->type_hint = 'array';
         } else {
             try {
                 if ($this->type_hint = $param->getClass()) {
                     $this->type_hint = $this->type_hint->name;
                 }
             } catch (ReflectionException $e) {
                 preg_match('/\\[\\s\\<\\w+?>\\s([\\w]+)/s', $param->__toString(), $matches);
                 $this->type_hint = isset($matches[1]) ? $matches[1] : '';
             }
         }
     }
     $this->reference = $param->isPassedByReference();
     $this->position = $param->getPosition();
     $this->name = $param->getName();
     if ($param->isDefaultValueAvailable()) {
         $this->default = var_export($param->getDefaultValue(), true);
     }
 }

 /**
  * Creates a PHP parameter from reflection
  * 
  * @param \ReflectionParameter $ref
  * @return PhpParameter
  */
 public static function fromReflection(\ReflectionParameter $ref)
 {
     $parameter = new static();
     $parameter->setName($ref->name)->setPassedByReference($ref->isPassedByReference());
     if ($ref->isDefaultValueAvailable()) {
         $parameter->setDefaultValue($ref->getDefaultValue());
     }
     // find type and description in docblock
     $docblock = new Docblock($ref->getDeclaringFunction());
     $params = $docblock->getTags('param');
     $tag = $params->find($ref->name, function (ParamTag $t, $name) {
         return $t->getVariable() == '$' . $name;
     });
     if ($tag !== null) {
         $parameter->setType($tag->getType(), $tag->getDescription());
     }
     // set type if not found in comment
     if ($parameter->getType() === null) {
         if ($ref->isArray()) {
             $parameter->setType('array');
         } elseif ($class = $ref->getClass()) {
             $parameter->setType($class->getName());
         } elseif (method_exists($ref, 'isCallable') && $ref->isCallable()) {
             $parameter->setType('callable');
         }
     }
     return $parameter;
 }

 /**
  * @return self
  */
 public static function from(\ReflectionParameter $from)
 {
     $param = new static();
     $param->name = $from->getName();
     $param->reference = $from->isPassedByReference();
     if ($from->isArray()) {
         $param->typeHint = 'array';
     } elseif (PHP_VERSION_ID >= 50400 && $from->isCallable()) {
         $param->typeHint = 'callable';
     } else {
         try {
             $param->typeHint = $from->getClass() ? '\\' . $from->getClass()->getName() : NULL;
         } catch (\ReflectionException $e) {
             if (preg_match('#Class (.+) does not exist#', $e->getMessage(), $m)) {
                 $param->typeHint = '\\' . $m[1];
             } else {
                 throw $e;
             }
         }
     }
     $param->optional = PHP_VERSION_ID < 50407 ? $from->isOptional() || $param->typeHint && $from->allowsNull() : $from->isDefaultValueAvailable();
     $param->defaultValue = PHP_VERSION_ID === 50316 ? $from->isOptional() : $from->isDefaultValueAvailable() ? $from->getDefaultValue() : NULL;
     $namespace = $from->getDeclaringClass() ? $from->getDeclaringClass()->getNamespaceName() : NULL;
     $namespace = $namespace ? "\\{$namespace}\\" : '\\';
     if (Nette\Utils\Strings::startsWith($param->typeHint, $namespace)) {
         $param->typeHint = substr($param->typeHint, strlen($namespace));
     }
     return $param;
 }

 /**
  * @return self
  */
 public static function from(\ReflectionParameter $from)
 {
     $param = new static($from->getName());
     $param->reference = $from->isPassedByReference();
     if (PHP_VERSION_ID >= 70000) {
         $param->typeHint = $from->hasType() ? (string) $from->getType() : NULL;
     } elseif ($from->isArray()) {
         $param->typeHint = 'array';
     } elseif (PHP_VERSION_ID >= 50400 && $from->isCallable()) {
         $param->typeHint = 'callable';
     } else {
         try {
             $param->typeHint = $from->getClass() ? $from->getClass()->getName() : NULL;
         } catch (\ReflectionException $e) {
             if (preg_match('#Class (.+) does not exist#', $e->getMessage(), $m)) {
                 $param->typeHint = $m[1];
             } else {
                 throw $e;
             }
         }
     }
     $param->optional = PHP_VERSION_ID < 50407 ? $from->isOptional() || $param->typeHint && $from->allowsNull() : $from->isDefaultValueAvailable();
     $param->defaultValue = PHP_VERSION_ID === 50316 ? $from->isOptional() : $from->isDefaultValueAvailable() ? $from->getDefaultValue() : NULL;
     return $param;
 }

 /**
  * Returns whether this parameters is passed to by reference
  * @return boolean
  */
 public function isPassedByReference()
 {
     if ($this->parameter != null) {
         return $this->parameter->isPassedByReference();
     } else {
         return parent::isPassedByReference();
     }
 }

 private function getParameterInfo(\ReflectionParameter $parameter)
 {
     $paramName = '$' . $parameter->getName() . '=null';
     if ($parameter->isPassedByReference()) {
         $paramName = '&' . $paramName;
     }
     $paramType = $parameter->getClass() !== null ? $parameter->getClass()->getName() : '';
     return "{$paramType} {$paramName}";
 }

 function __construct(API_Doc_Method $method, ReflectionParameter $parameter)
 {
     $this->name = $parameter->getName();
     $this->is_passed_by_reference = $parameter->isPassedByReference();
     $this->allows_null = $parameter->allowsNull();
     $this->is_optional = $parameter->isOptional();
     $this->is_default_value_available = $parameter->isDefaultValueAvailable();
     $this->position = $parameter->getPosition();
     $this->declaring_method = $method;
 }

 public function testWrappedMethods()
 {
     $php_parameter = new \ReflectionParameter([$this, 'method'], 'param');
     $our_parameter = new ReflectionParameter($php_parameter);
     $this->assertSame($php_parameter->getName(), $our_parameter->getName());
     $this->assertSame($php_parameter->allowsNull(), $our_parameter->allowsNull());
     $this->assertSame($php_parameter->isOptional(), $our_parameter->isOptional());
     $this->assertSame($php_parameter->isDefaultValueAvailable(), $our_parameter->isDefaultValueAvailable());
     $this->assertSame($php_parameter->isVariadic(), $our_parameter->isVariadic());
     $this->assertSame($php_parameter->isPassedByReference(), $our_parameter->isPassedByReference());
     $this->assertSame($php_parameter->getDefaultValue(), $our_parameter->getDefaultValue());
 }

 /**
  * @param \ReflectionParameter $parameter
  * @return Parameter
  */
 public function parameter(\ReflectionParameter $parameter)
 {
     $phpyParam = new Parameter($parameter->getName());
     if ($parameter->isArray()) {
         $phpyParam->setTypeHint('array');
     } elseif ($class = $parameter->getClass()) {
         $phpyParam->setTypeHint('\\' . $class->getName());
     }
     if ($parameter->isDefaultValueAvailable()) {
         $phpyParam->setDefaultValue($parameter->getDefaultValue());
     }
     $phpyParam->setByRef($parameter->isPassedByReference());
     return $phpyParam;
 }

 public static function fromReflection(\ReflectionParameter $ref)
 {
     $parameter = new static();
     $parameter->setName($ref->name)->setPassedByReference($ref->isPassedByReference());
     if ($ref->isDefaultValueAvailable()) {
         $parameter->setDefaultValue($ref->getDefaultValue());
     }
     if ($ref->isArray()) {
         $parameter->setType('array');
     } elseif ($class = $ref->getClass()) {
         $parameter->setType($class->getName());
     } elseif (method_exists($ref, 'isCallable') && $ref->isCallable()) {
         $parameter->setType('callable');
     }
     return $parameter;
 }

 /**
  * Gets the details for a single method argument
  *
  * @param    \ReflectionParameter $argument Argument's ReflectionParameter instance
  * @return    ArgumentData
  */
 private function getArgumentDetails(\ReflectionParameter $argument)
 {
     $details = new ArgumentData();
     $details->name = $argument->getName();
     $details->passedByReference = $argument->isPassedByReference();
     // true if no typehinting or typehinted argument defaults to null
     $details->allowsNull = $argument->allowsNull();
     $details->dataType = $this->getArgumentType($argument);
     if ($details->dataType === 'object') {
         $classData = $this->getDefaultValueClassData($argument->__toString());
         $details->className = $classData['className'];
         $details->classNamespace = $classData['classNamespace'];
     }
     if ($argument->isOptional()) {
         $details->isRequired = false;
         $details->defaultValue = $argument->getDefaultValue();
     }
     return $details;
 }

 public static function create_from_reflection_parameter(\ReflectionParameter $rp)
 {
     $arg = new Argument($rp->getName());
     if ($rp->allowsNull()) {
         $arg->set_null_allowed(true);
     }
     if ($rp->isDefaultValueAvailable()) {
         $arg->set_default($rp->getDefaultValue());
     }
     if ($rp->isArray()) {
         $arg->set_array(true);
     } elseif ($type = $rp->getClass()) {
         $arg->set_type($type->getName());
     }
     if ($rp->isPassedByReference()) {
         $arg->set_reference(true);
     }
     return $arg;
 }

 protected function generateParameterDeclaration(\ReflectionParameter $param)
 {
     $output = '';
     if ($param->isArray()) {
         $output .= 'array ';
     } elseif (is_callable(array($param, 'isCallable')) && $param->isCallable()) {
         $output .= 'callable ';
     } elseif ($param->getClass()) {
         $output .= '\\' . $param->getClass()->getName() . ' ';
     }
     if ($param->isPassedByReference()) {
         $output .= '&';
     }
     $output .= '$' . $param->getName();
     if ($param->isDefaultValueAvailable()) {
         $output .= ' = ' . $param->getDefaultValue();
     }
     return $output;
 }

 public function __construct($method, $param)
 {
     $param = new ReflectionParameter($method, $param);
     $this->name = $param->name;
     if ($param->isDefaultValueAvailable()) {
         $default = $param->getDefaultValue();
         if ($default === NULL) {
             $this->default .= 'NULL';
         } elseif (is_bool($default)) {
             $this->default .= $default ? 'TRUE' : 'FALSE';
         } elseif (is_string($default)) {
             $this->default .= "'" . $default . "'";
         } else {
             $this->default .= print_r($default, TRUE);
         }
     }
     if ($param->isPassedByReference()) {
         $this->byref = TRUE;
     }
     if ($param->isOptional()) {
         $this->optional = TRUE;
     }
 }