How to compare in php class objects

This article will explain in detail how to compare php objects. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

Comparison of php Class objects

Note: the passing of objects is address passing

Equality: the structure is the same as the saved value

Congruence: congruence only when pointing to the same object

Class Student {} $stu1= new Student;$stu2 = new Student;var_dump ($stu1==$stu2); / / bool (true), compare the structure and value of the object var_dump ($stu1===$stu2); / / bool (false), $stu1 and $st2 are not the same object $stu3 = $stu2; / / the object passes the address var_dump ($stu2===$stu3) / / bool (true), $stu2 and $st3 are the same object. This is the end of the article on "how to compare in php objects". I hope the above content can be helpful to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.