How to solve the problem that the html code of php output is not parsed

How to solve the problem that the output html code of php is not parsed? for this problem, this article introduces the corresponding analysis and solution in detail, hoping to help more partners who want to solve this problem to find a more simple and feasible method.

Php output html code does not parse the solution: 1, use PHP to set encoding, code such as "header (" Content-type:...charset=utf-8 ")"; 2, set coding with meta tag, code such as "".

This article operating environment: Windows7 system, PHP7.1 version, DELL G3 computer

What if the php output html code is not parsed?

The content of php echo html has been parsed. What's going on, as shown in the picture?

After checking, it is because of header ('Content-Type:text/plain;charset=utf-8'); this sentence of code affects.

Here, we need to distinguish between text/html and text/plain:text/html output in the form of html. For example, a text box will be displayed on the page, while the code will be displayed as is on the page in plain form.

Then there are two ways to modify it.

1. Set the encoding with PHP