How To Detect If A Post Has At Least One Image In WordPress

Nowadays, it’s almost essential to use images to illustrate your blog posts: it’s a great additional eye-candy for your readers. However you might not want to include images in all of your posts. In that case, you might want to detect in a post has at least one image, for example to grab it and display it.

You can use the following piece of code on several pages of your blog: index.php, search.php, archive.php, author.php… Simply paste the following code within the loop:

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<?php
$content = $post->post_content;
$searchimages = '~<img [^>]* />~';
preg_match_all( $searchimages, $content, $pics );
$DukeoNumberOfPics = count($pics[0]);
if ( $DukeoNumberOfPics > 0 ) {
	// Your post includes one or more images.

} else {
	// Your post doesn't include any image.

}
?>