PHP method to traverse all elements contained in a class, php_PHP tutorial

php method of traversing all elements contained in a class, php

The example in this article describes the method of php traversing all elements contained in a class. Share it with everyone for your reference. The specific analysis is as follows:

Here you can get all the elements contained in the php class to be output in the form of key-value

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";
}

The running results are as follows:

TESTSTR1 => hello
TESTVAR1 => 1001
TESTVAR2 => 1002

I hope this article will be helpful to everyone’s PHP programming design.