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Grab first image on post - wordpress

/ Published in: PHP
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Use this to grab the first image in a post

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  1. function catch_that_image() {
  2.   global $post, $posts;
  3.   $first_img = '';
  4.   ob_start();
  5.   ob_end_clean();
  6.   $output = preg_match_all('/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $post->post_content, $matches);
  7.   $first_img = $matches [1] [0];
  8.  
  9.   if(empty($first_img)){ //Defines a default image
  10.     $first_img = "/images/default.jpg";
  11.   }
  12.   return $first_img;
  13. }

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