title: Error while installing PHP 7.1 for Mac (with Homebrew)
body: <p>I'm trying to install PHP 7.1 with Homebrew.</p>
  
  <p>According to the Homebrew site I should type</p>
  
  <p><code>brew install exolnet/deprecated/php@7.1</code></p>
  
  <p>and all I get is</p>
  
  <p><code>configure: error: Please reinstall the iconv library.</code></p>
  
  <p>Reinstall does not help. Current version libiconv is 1.16.</p>
  
  <p>How fix this error?</p>