获得php类包含的所有元素以key-value的形式输出
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";
}
