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Use the preg_replace function to match images and add links

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2016-07-25 09:05:451107browse
  2. $con = file_get_contents("http://bbs.it-home.org/wzjs/");
  3. $pattern="/<[img|IMG].*?src =['|"](.*?(?:[.gif|.jpg|.png]))['|"].*?[/]?>/";
  4. $new_con = preg_replace($pattern ,"$0",$con);
  5. echo $new_con;
  6. ?>
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Explanation: $0 represents this matching content, $1 represents the content matched by the first (), $2 represents the content matched by the second (), and so on! In this way, a link is added to the picture. Friends who are interested may wish to test it by themselves.

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