PHP programming, after the form query data, data-specific display method solve?

For example: Form Form1 has ID, age, Sex field, corresponding to an input text box, enter the ID value, click the Query button, action submitted to the PHP processing page (MySQL database query), Display the query result and ID field value into the input text box of the Form1 relative field, how do I implement this display function? Novice solver? Tokyu Thank you!

Reply to discussion (solution)

Input value= "$row [ID]"

Suppose the data you've queried is saved in the row array.
It's written in your HTML code.

Other analogy

Problem solving, thank you!

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