How to display html output in the same page?

Question

I'm writing an app to grab pictures from social networks. How can I add make sure that when the user clicks the links, the output (which consists of the grabbed pictures) is displayed in the same page?

I wrote separate php files for each of them, and they all go to separate pages. I want to put them on the same page. How can I run the php files in the same page?

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    <a href="/Gravatar/gravindex.php">Gravatar</a> 
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Answer 1

That depeneds on the link not to php. if you use target="_self" it will be open in the same page