如何在<a>标签之间的所有行添加标签[重复]

Question

This question already has an answer here:

• How do you parse and process HTML/XML in PHP? 30 answers

$update_text= preg_replace("/(<a[^>]*>)\s*(.*?)\s*(<\/a>)/s", "$1
\t$2
$3", $text);

Have this :

<a href="#" class="example">
<img src="bg1.jpg">
text text
</a>
<a href="#" class="example">
text text
<img src="bg2.jpg">
text text
</a>
<a href="#" class="example">
<img src="bg3.jpg">
</a>

Want this :

<a href="#" class="example">
  <img src="bg1.jpg">
  text text
</a>
<a href="#" class="example">
  text text
  <img src="bg2.jpg">
  text text
</a>
<a href="#" class="example">
  <img src="bg3.jpg">
</a>

https://regex101.com/r/qo2N22/3

I want to add \t all $2 lines but only applied to the first line. Could anyone help me? Thanks.

</div>

Answer 1

I did it with preg_replace_callback. Thanks @chris85 for suggestion.

$update_text= preg_replace_callback("/(<a[^>]*>)\s*(.*?)\s*(<\/a>)/s", function($match) {
      $values = explode("
",$match[2]);
      foreach ($values as $value) {
          $newmatch .= "
\t".$value;
      }
      return $match[1].$newmatch."
".$match[3];
    }, $text);