PHP反射的一些特性

public function getByObjectId($id) {
$id &＃61; (int) $id;
if ($id) {
$SQL &＃61; "select * from {$this->__DTN} where id&＃61;$id";
$refl &＃61; new ReflectionClass(get_class($this));
return $refl->newInstance();
} else {
return false;
}
}

手册中&＃xff1a;

Classes/Object 函数

Table of Contents

• call_user_method_array — 调用一个用户方法&＃xff0c;同时传递参数数组&＃xff08;已废弃&＃xff09;
• call_user_method — 对特定对象调用用户方法&＃xff08;已废弃&＃xff09;
• class_alias — Creates an alias for a class
• class_exists — 检查类是否已定义
• get_called_class — the "Late Static Binding" class name
• get_class_methods — 返回由类的方法名组成的数组
• get_class_vars — 返回由类的默认属性组成的数组
• get_class — 返回对象的类名
• get_declared_classes — 返回由已定义类的名字所组成的数组
• get_declared_interfaces — 返回一个数组包含所有已声明的接口
• get_object_vars — 返回由对象属性组成的关联数组
• get_parent_class — 返回对象或类的父类名
• interface_exists — 检查接口是否已被定义
• is_a — 如果对象属于该类或该类是此对象的父类则返回 TRUE
• is_subclass_of — 如果此对象是该类的子类&＃xff0c;则返回 TRUE
• method_exists — 检查类的方法是否存在
• property_exists — 检查对象或类是否具有该属性

• Reflection — The Reflection class
  
  • Reflection::export — Exports
  • Reflection::getModifierNames — Gets modifier names
• ReflectionClass — The ReflectionClass class
  
  • ReflectionClass::__clone — Clones object
  • ReflectionClass::__construct — Constructs a ReflectionClass
  • ReflectionClass::export — Exports a class
  • ReflectionClass::getConstant — Gets defined constants
  • ReflectionClass::getConstants — Gets constants
  • ReflectionClass::getConstructor — Gets constructor
  • ReflectionClass::getDefaultProperties — Gets default properties
  • ReflectionClass::getDocComment — Gets doc comments
  • ReflectionClass::getEndLine — Gets end line
  • ReflectionClass::getExtension — Gets extension info
  • ReflectionClass::getExtensionName — Gets an extensions name
  • ReflectionClass::getFileName — Gets the filename of the file in which the class has been defined
  • ReflectionClass::getInterfaceNames — Gets the interface names
  • ReflectionClass::getInterfaces — Gets the interfaces
  • ReflectionClass::getMethod — Gets a ReflectionMethod
  • ReflectionClass::getMethods — Gets a list of methods
  • ReflectionClass::getModifiers — Gets modifiers
  • ReflectionClass::getName — Gets class name
  • ReflectionClass::getNamespaceName — Gets namespace name
  • ReflectionClass::getParentClass — Gets parent class
  • ReflectionClass::getProperties — Gets properties
  • ReflectionClass::getProperty — Gets property
  • ReflectionClass::getShortName — Gets short name
  • ReflectionClass::getStartLine — Gets starting line number
  • ReflectionClass::getStaticProperties — Gets static properties
  • ReflectionClass::getStaticPropertyValue — Gets static property value
  • ReflectionClass::hasConstant — Checks if constant is defined
  • ReflectionClass::hasMethod — Checks if method is defined
  • ReflectionClass::hasProperty — Checks if property is defined
  • ReflectionClass::implementsInterface — Implements interface
  • ReflectionClass::inNamespace — Checks if in namespace
  • ReflectionClass::isAbstract — Checks if class is abstract
  • ReflectionClass::isFinal — Checks if class is final
  • ReflectionClass::isInstance — Checks class for instance
  • ReflectionClass::isInstantiable — Checks if instantiable
  • ReflectionClass::isInterface — Checks if interface
  • ReflectionClass::isInternal — Checks if internal
  • ReflectionClass::isIterateable — Checks if iterateable
  • ReflectionClass::isSubclassOf — Checks if a subclass
  • ReflectionClass::isUserDefined — Checks if user defined
  • ReflectionClass::newInstance — Creates a new cass instance from given arguments.
  • ReflectionClass::newInstanceArgs — Creates a new cass instance from given arguments.
  • ReflectionClass::setStaticPropertyValue — Sets static property value
  • ReflectionClass::__toString — Returns the string representation of the ReflectionClass object.
• ReflectionExtension — The ReflectionExtension class
  
  • ReflectionExtension::__clone — Clones
  • ReflectionExtension::__construct — Constructs a ReflectionExtension
  • ReflectionExtension::export — Export
  • ReflectionExtension::getClasses — Gets classes
  • ReflectionExtension::getClassNames — Gets class names
  • ReflectionExtension::getConstants — Gets constants
  • ReflectionExtension::getDependencies — Gets dependencies
  • ReflectionExtension::getFunctions — Gets extension functions
  • ReflectionExtension::getINIEntries — Gets extension ini entries
  • ReflectionExtension::getName — Gets extension name
  • ReflectionExtension::getVersion — Gets extension version
  • ReflectionExtension::info — Gets extension info
  • ReflectionExtension::__toString — To string
• ReflectionFunction — The ReflectionFunction class
  
  • ReflectionFunction::__construct — Constructs a ReflectionFunction object
  • ReflectionFunction::export — Exports function
  • ReflectionFunction::invoke — Invokes function
  • ReflectionFunction::invokeArgs — Invokes function args
  • ReflectionFunction::isDisabled — Checks if function is disabled
  • ReflectionFunction::__toString — To string
• ReflectionFunctionAbstract — The ReflectionFunctionAbstract class
  
  • ReflectionFunctionAbstract::__clone — Clones function
  • ReflectionFunctionAbstract::getDocComment — Gets doc comment
  • ReflectionFunctionAbstract::getEndLine — Gets end line number
  • ReflectionFunctionAbstract::getExtension — Gets extension info
  • ReflectionFunctionAbstract::getExtensionName — Gets extension name
  • ReflectionFunctionAbstract::getFileName — Gets file name
  • ReflectionFunctionAbstract::getName — Gets function name
  • ReflectionFunctionAbstract::getNamespaceName — Gets namespace name
  • ReflectionFunctionAbstract::getNumberOfParameters — Gets number of parameters
  • ReflectionFunctionAbstract::getNumberOfRequiredParameters — Gets number of required parameters
  • ReflectionFunctionAbstract::getParameters — Gets parameters
  • ReflectionFunctionAbstract::getShortName — Gets function short name
  • ReflectionFunctionAbstract::getStartLine — Gets starting line number
  • ReflectionFunctionAbstract::getStaticVariables — Gets static variables
  • ReflectionFunctionAbstract::inNamespace — Checks if function in namespace
  • ReflectionFunctionAbstract::isClosure — Checks if closure
  • ReflectionFunctionAbstract::isDeprecated — Checks if deprecated
  • ReflectionFunctionAbstract::isInternal — Checks if is internal
  • ReflectionFunctionAbstract::isUserDefined — Checks if user defined
  • ReflectionFunctionAbstract::returnsReference — Checks if returns reference
  • ReflectionFunctionAbstract::__toString — To string
• ReflectionMethod — The ReflectionMethod class
  
  • ReflectionMethod::__construct — Constructs a ReflectionMethod
  • ReflectionMethod::export — Export a reflection method.
  • ReflectionMethod::getDeclaringClass — Gets declaring class for the reflected method.
  • ReflectionMethod::getModifiers — Gets the method modifiers
  • ReflectionMethod::getPrototype — Gets the method prototype (if there is one).
  • ReflectionMethod::invoke — Invoke
  • ReflectionMethod::invokeArgs — Invoke args
  • ReflectionMethod::isAbstract — Checks if method is abstract
  • ReflectionMethod::isConstructor — Checks if method is a constructor
  • ReflectionMethod::isDestructor — Checks if method is a destructor
  • ReflectionMethod::isFinal — Checks if method is final
  • ReflectionMethod::isPrivate — Checks if method is private
  • ReflectionMethod::isProtected — Checks if method is protected
  • ReflectionMethod::isPublic — Checks if method is public
  • ReflectionMethod::isStatic — Checks if method is static
  • ReflectionMethod::setAccessible — Set method accessibility
  • ReflectionMethod::__toString — Returns the string representation of the Reflection method object.
• ReflectionObject — The ReflectionObject class
  
  • ReflectionObject::__construct — Constructs a ReflectionObject
  • ReflectionObject::export — Export
• ReflectionParameter — The ReflectionParameter class
  
  • ReflectionParameter::allowsNull — Checks if null is allowed
  • ReflectionParameter::__clone — Clone
  • ReflectionParameter::__construct — Construct
  • ReflectionParameter::export — Exports
  • ReflectionParameter::getClass — Get class
  • ReflectionParameter::getDeclaringClass — Gets declaring class
  • ReflectionParameter::getDeclaringFunction — Gets declaring function
  • ReflectionParameter::getDefaultValue — Gets default parameter value
  • ReflectionParameter::getName — Gets parameter name
  • ReflectionParameter::getPosition — Gets parameter position
  • ReflectionParameter::isArray — Checks if parameter expects an array
  • ReflectionParameter::isDefaultValueAvailable — Checks if a default value is available
  • ReflectionParameter::isOptional — Checks if optional
  • ReflectionParameter::isPassedByReference — Checks if passed by reference
  • ReflectionParameter::__toString — To string
• ReflectionProperty — The ReflectionProperty class
  
  • ReflectionProperty::__clone — Clone
  • ReflectionProperty::__construct — Construct a ReflectionProperty object
  • ReflectionProperty::export — Export
  • ReflectionProperty::getDeclaringClass — Gets declaring class
  • ReflectionProperty::getDocComment — Gets doc comment
  • ReflectionProperty::getModifiers — Gets modifiers
  • ReflectionProperty::getName — Gets property name
  • ReflectionProperty::getValue — Gets value
  • ReflectionProperty::isDefault — Checks if default value
  • ReflectionProperty::isPrivate — Checks if property is private
  • ReflectionProperty::isProtected — Checks if property is protected
  • ReflectionProperty::isPublic — Checks if property is public
  • ReflectionProperty::isStatic — Checks if property is static
  • ReflectionProperty::setAccessible — Set property accessibility
  • ReflectionProperty::setValue — Set property value
  • ReflectionProperty::__toString — To string
• Reflector — The Reflector interface
  
  • Reflector::export — Exports
  • Reflector::__toString — To string