PHP (3) Only record My Learning history HTML (text flag)

 
 Text flags
 
 
The largest title
 
 
Title of the third largest
The smallest title
Boldface from text
Italic text
Add an underlined text below
Typewriter-style text
Text that refers to text
underlined text
Aggravated text
Text with a size of 1,color as red

1.

...

One until

...

They represent a total of 1 to 6 headings of different sizes

2 .... . Indicates the output of boldface character

3 .... . Represents italic text

4 .... . A text that is underlined below

5 .... . Typewriter-style text

6 .... . Text that refers to text

7 .... . underlined text

8 .... . Aggravated text

9. The text that indicates how many numbers and what colors are set

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