PHP Reflection 是用于获取类扩展方法函数对象参数属性的详细信息
ReflectionClass 类获取类相关信息, 如获取属性方法文档注释等
- <?php
- class Person {
- /**
- * For the sake of demonstration, we"re setting this private
- */
- private $_allowDynamicAttributes = false;
- /** type=primary_autoincrement */
- protected $id = 0;
- /** type=varchar length=255 null */
- protected $name;
- /** type=text null */
- protected $biography;
- public function getId()
- {return $this->id;
- }
- public function setId($v)
- {
- $this->id = $v;
- }
- public function getName()
- {
- return $this->name;
- }
- public function setName($v)
- {
- $this->name = $v;
- }
- public function getBiography()
- {
- return $this->biography;
- }
- public function setBiography($v)
- {
- $this->biography = $v;
- }
- }
- // 导出类
- ReflectionClass::export('Person');
- $r = new ReflectionClass('Person');
- // 获取所有属性
- print_r($r->getProperties());
- /**
- * 获取指定属性
- * ReflectionProperty::IS_STATIC
- * ReflectionProperty::IS_PUBLIC
- * ReflectionProperty::IS_PROTECTED
- * ReflectionProperty::IS_PRIVATE
- */
- print_r($r->getProperties(ReflectionProperty::IS_PRIVATE));
- // 获取注释
- print_r($r->getProperty('id')->getDocComment());
- // 获取方法
- print_r($r->getMethods());
ReflectionExtension 类用于获取扩展相关信息
- $re = new ReflectionExtension('Reflection');
- print_r($re - >getClasses()); // 扩展的所有类
- print_r($re - >getClassNames()); // 扩展所有类名
- $dom = new ReflectionExtension('mysql');
- print_r($dom - >getConstants()); // 扩展常量
- print_r($dom - >getDependencies()); // 该扩展依赖
- print_r($dom - >getFunctions()); // 扩展方法
- print_r($dom - >getINIEntries()); // 扩展 ini 信息
- print_r($dom - >getName()); // 扩展名称
- print_r($dom - >getVersion()); // 扩展版本
- print_r($dom - >info()); // 扩展信息
- print_r($dom - >isPersistent()); // 是否是持久扩展
- print_r($dom - >isTemporary()); // 是否是临时扩展
ReflectionFunction 类 用户获取函数相关信息
- $rf = new ReflectionFunction('array_merge');
- foreach($rf->getParameters() as $item) {
- echo $item . PHP_EOL;
- }
ReflectionMethod 类用户获取方法相关信息
- class Person {
- public $name;
- /**
- * get name of person
- */
- public function getName()
- {
- return $this->name;
- }
- public function setName($v)
- {
- $this->name = $v;
- }
- }
- $rm = new ReflectionMethod('Person', 'getName');
- print_r($rm->isPublic());
- print_r($rm->getDocComment());
ReflectionObject 类 用于获取对象相关信息
- class Person {
- public $name;
- public function __construct($name)
- {
- $this->name = $name;
- }
- public function getName()
- {
- return $this->name;
- }
- public function setName($v)
- {
- $this->name = $v;
- }
- }
- $a = new Person('a');
- $ro = new ReflectionObject($a);
- print_r($ro->getMethods());
ReflectionParameter 获取函数或方法参数的相关信息
- class Person {
- public $name;
- public
- function __construct($name) {
- $this - >name = $name;
- }
- public
- function getName() {
- return $this - >name;
- }
- public
- function setName($v) {
- $this - >name = $v;
- }
- }
- $p = new ReflectionParameter(array('Person', 'setName'), 0);
- print_r($p - >getPosition()); //0
- print_r($p - >getName()); //v
ReflectionProperty 获取类的属性的相关信息
- class Person {
- /** 测试 */
- public $name;
- public function __construct($name)
- {
- $this->name = $name;
- }
- public function getName()
- {
- return $this->name;
- }
- public function setName($v)
- {
- $this->name = $v;
- }
- }
- $p = new ReflectionProperty('Person', 'name');
- print_r($p->getDocComment());
来源: https://www.php1.cn/detail/php-cccfef7452.html