Echo Images inside a Post into the Loop

Here is a useful trick. Want to call or echo an image into your blog post with our using the custom fields? Well this could be tricky, but I know of a way.

All you have to do is print these lines of code into your
index.php or home.php inside the loop:

<?php
$id =$post->ID;
$the_content =$wpdb->get_var("SELECT post_content FROM $wpdb->posts WHERE ID = $id");
$home = get_option('home');
$pattern = '!<img.*?src="'.$home.'(.*?)"!';
preg_match_all($pattern, $the_content, $matches);
$image_src = $matches['1'][0]; ?>

then after write:

<?php if($image_src != '') { ?>
<a href="<?php echo the_permalink() ?>" rel="bookmark" title="Link to <?php the_title(); ?>"><?php the_title(); ?></a><br />
<a href="<?php the_permalink() ?>" rel="bookmark" title="<?php the_title(); ?>"><img src="<?php echo $image_src; ?>" alt="<?php the_title(); ?>" /></a>
<?php }  ?>

That’s all! This will look for the first image in your post and echo it in the loop, could be used to show off those pretty thumbnails for the post..