Online PHP editor | output for 6YeSh

@ 2018-03-28T09:49:02Z

<?php
$html=<<<'HTML'
<div class="wrapper">
  <div class="some_useless_div">
    <p>Some useless text paragraph.</p>
    <div id="another_useless_div">
      <p>The actual important part is: SOME_DYNAMIC_TEXT what I want to put into a variable. The text around that dynamic text is static text and will not change.</p>
    </div>
  </div>
</div>
HTML;
preg_match('/The actual important part is\: (.*?) what I want to put into a variable\./',$html,$matches);
$str=$matches[1];
var_dump($str);

Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7: string(17) "SOME_DYNAMIC_TEXT"
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(17) "SOME_DYNAMIC_TEXT"

preferences:dark modelive preview