title: find and replace unicode character 0x1a
body: <p>I got error:" PHP Fatal error:  Uncaught SoapFault exception: [soapenv:Client] An invalid XML character (Unicode: 0x1a) was found in the element content of the document."</p>
  
  <p>How to search which value contains this 01xa character? in PHP or in some text editor?</p>
  
  <p>Tried this one, but not working...</p>
  
  <pre><code>$test = strstr($value, '\u001a');
      if($test){
          echo $test;
          exit();
      }
  </code></pre>