What is the difference between get and post in PHP and when to use a post to explain

What is the difference between get and post in PHP and when to use a post to explain

difference:

1, get is generally the data transmitted after the hyperlink, the amount of data transmitted is small, can not be greater than 2KB.

2, post is generally the form of data transmission, data volume is large, generally default to unrestricted. In theory, however, the maximum number of IIS4 is 100KB in 80KB,IIS5.

3, get security is very low, post security is high. But the execution efficiency is better than the Post method.

Recommendations:

The security of Get way is less than post way, contain confidential information, suggest to use post data to submit a way. in doing the data query, it is recommended to use get way , and in doing data add, modify or delete, it is recommended to use POST method ;