PHP method to traverse all elements contained in a class_PHP tutorial

php method of traversing all elements contained in a class

This example 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

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1 2 3 4 5 6 7 8 9 10 11 12 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 => $valuen"; } 1 2 3 1 2 3 TESTSTR1 => hello TESTVAR1 => 1001 TESTVAR2 => 1002 4 5 6 7 8 9 10 11 12

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 => $valuen"; }

The running results are as follows: 　?

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

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