php遍历类中包含的所有元素的方法_PHP教程

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Release: 2016-07-13 09:53:38
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php遍历类中包含的所有元素的方法

   本文实例讲述了php遍历类中包含的所有元素的方法。分享给大家供大家参考。具体分析如下:

  这里可获得php类包含的所有元素以key-value的形式输出

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class MyTestClass{

const TESTVAR1 = 1001;

const TESTVAR2 = 1002;

const TESTSTR1 = 'hello';

}

$rc = new ReflectionClass('MyTestClass');

$v = $rc->getConstants();

asort($v);// sort by value

//ksort($v);// sort by key

foreach ( $v as $name => $value){

echo "$name => $value\n";

}

  运行结果如下:

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TESTSTR1 => hello

TESTVAR1 => 1001

TESTVAR2 => 1002

  希望本文所述对大家的php程序设计有所帮助。

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