WP replace HTML tags

replacer.php

<?php

add_filter('wpcf7_form_elements', function( $content ) {
  $dom = new DOMDocument();
  $dom->preserveWhiteSpace = false;
  $dom->loadHTML(mb_convert_encoding($content, 'HTML-ENTITIES', 'UTF-8'), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);

  $xpath = new DomXPath($dom);
  $spans = $xpath->query("//span[contains(@class, 'wpcf7-form-control-wrap')]" );

  foreach ( $spans as $span ) :
      $children = $span->firstChild;
      $span->parentNode->replaceChild( $children, $span );
  endforeach;

  return $dom->saveHTML();
});

add_filter('wpcf7_form_elements', function ($content) {
  $content = str_replace("type=\"url\"", "inputmode=\"url\" type=\"url\"", $content);
  $content = str_replace("type=\"tel\"", "inputmode=\"numeric\" type=\"tel\" autocomplete=\"tel\"", $content);
  $content = str_replace("type=\"email\"", "inputmode=\"email\" type=\"email\" autocomplete=\"email\"", $content);

  return $content;
});

add_filter('wpcf7_autop_or_not', '__return_false');