Heim >Backend-Entwicklung >PHP-Tutorial >PHP ReflectionClass

PHP ReflectionClass

WBOY
WBOYOriginal
2016-08-08 09:31:301113Durchsuche

<span> 1</span> <?<span>php
</span><span> 2</span> <span>/*</span><span>*
</span><span> 3</span> <span> * @desc test reflectionclass
</span><span> 4</span> <span> * @author songweiqing
</span><span> 5</span> <span> * @create_time 2015-01-7
</span><span> 6</span> <span> *
</span><span> 7</span>  <span>*/</span>
<span> 8</span>  <span>class</span><span> Test{
</span><span> 9</span>     <span>public</span> <span>$attr1</span> = 'attr1'<span>;
</span><span>10</span>     <span>protected</span> <span>$attr2</span> = 'attr2'<span>;
</span><span>11</span>     <span>private</span> <span>$attr3</span> = 'attr3'<span>;
</span><span>12</span>     <span>const</span> ATTR4 = 'I AM THE ATTRIBUTE 4'<span>;
</span><span>13</span>     <span>public</span> <span>static</span> <span>$attr5</span> = 'attr5'<span>;
</span><span>14</span>     
<span>15</span>     <span>public</span> <span>function</span><span> __construct(){
</span><span>16</span>         
<span>17</span>         self::<span>$attr5</span> = 'I love you baby'<span>;
</span><span>18</span> <span>    }
</span><span>19</span>     <span>public</span> <span>function</span><span> getAttr1(){
</span><span>20</span>         
<span>21</span>         <span>echo</span> <span>$this</span>-><span>attr1;
</span><span>22</span> <span>    }
</span><span>23</span>     <span>//</span><span>获取属性2</span>
<span>24</span>     <span>protected</span> <span>function</span><span> getAttr2(){
</span><span>25</span>         
<span>26</span>         <span>echo</span> <span>$this</span>-><span>attr2;
</span><span>27</span> <span>    } 
</span><span>28</span>     <span>/*</span><span>*
</span><span>29</span> <span>     * @desc 获取属性3
</span><span>30</span> <span>     * @return string 
</span><span>31</span>      <span>*/</span>
<span>32</span>     <span>private</span> <span>function</span><span> getAttr3(){
</span><span>33</span>         <span>echo</span> <span>$this</span>-><span>attr3;
</span><span>34</span> <span>    }
</span><span>35</span>     
<span>36</span>     <span>public</span> <span>static</span> <span>function</span><span> getAttr5(){
</span><span>37</span>         <span>echo</span> self::<span>$attr5</span><span>;
</span><span>38</span> <span>    }
</span><span>39</span> <span>}
</span><span>40</span> 
<span>41</span> <span>$reflection</span> = <span>new</span> ReflectionClass('Test'<span>);
</span><span>42</span> <span>//</span><span>var_dump($reflection->getName());//获取类名getName();
</span><span>43</span> <span>//var_dump($reflection->getConstant("ATTR4"));//获取指定的常量名
</span><span>44</span> <span>//var_dump($reflection->getConstants());//获取一组常量名
</span><span>45</span> <span>//var_dump($reflection->getConstructor());//获取构造函数,没有构造函数返回null
</span><span>46</span> <span>//var_dump($reflection->getDefaultProperties());//获取默认属性,常量属性不包括
</span><span>47</span> <span>//var_dump($reflection->getDocComment());//获取针对该类的注释,对于类中法中的注释,忽略,没有返回false
</span><span>48</span> <span>//var_dump($reflection->getEndLine());//获取类中最后一行行数
</span><span>49</span> <span>//var_dump($reflection->getFileName());//获取定义类的类名
</span><span>50</span> <span>//var_dump($reflection->getMethods());//获取所有类中的方法
</span><span>51</span> <span>//var_dump($reflection->getProperties());//获取所有属性,不包含常量属性
</span><span>52</span> <span>//$instance = $reflection->newInstanceArgs();//实例化反射的该类
</span><span>53</span> <span>//$instance = $reflection->newInstance('Test');实例化指定的类</span>
Code anzeigen

Das Obige hat PHP ReflectionClass eingeführt, einschließlich einiger Aspekte davon. Ich hoffe, dass es für Freunde hilfreich sein wird, die sich für PHP-Tutorials interessieren.

Stellungnahme:
Der Inhalt dieses Artikels wird freiwillig von Internetnutzern beigesteuert und das Urheberrecht liegt beim ursprünglichen Autor. Diese Website übernimmt keine entsprechende rechtliche Verantwortung. Wenn Sie Inhalte finden, bei denen der Verdacht eines Plagiats oder einer Rechtsverletzung besteht, wenden Sie sich bitte an admin@php.cn