title: VScode PHPCS Extension Error: Referenced Sniff "WordPress-Core" does not exist
body: <p><strong>I want to add PHP CodeSniffer to VScode.</strong> </p>
  
  <p>Within VScode I am getting the error <code>'phpcs: Referenced sniff "WordPress-Core" does not exist'</code> </p>
  
  <p>However when I run the following command in the terminal: <br><br>
  <code>phpcs --standard="WordPress-Core" dropdowns.php</code><br><br>
  PHP CodeSniffer works as expected with the following terminal output:</p>
  
  <pre><code>--------------------------------------------------------------------------------
  FOUND 34 ERRORS AND 17 WARNINGS AFFECTING 51 LINES
  --------------------------------------------------------------------------------
    15 | WARNING | [x] Array double arrow not aligned correctly; expected 10
       |         |     space(s) between "'id'" and double arrow, but found 1.
    17 | WARNING | [x] Array double arrow not aligned correctly; expected 4
       |         |     space(s) between "'taxonomy'" and double arrow, but found
       |         |     1.
    18 | WARNING | [x] Array double arrow not aligned correctly; expected 5
       |         |     space(s) between "'orderby'" and double arrow, but found
       |         |     1.
    34 | WARNING | [x] Equals sign not aligned with surrounding assignments;
       |         |     expected 10 spaces but found 1 space
    35 | WARNING | [x] Equals sign not aligned with surrounding assignments;
       |         |     expected 7 spaces but found 1 space
    36 | ERROR   | [x] Short array syntax is not allowed
    44 | WARNING | [x] Equals sign not aligned with surrounding assignments;
       |         |     expected 2 spaces but found 1 space
    84 | WARNING | [x] Equals sign not aligned with surrounding assignments;
       |         |     expected 2 spaces but found 1 space
  </code></pre>
  
  <p>My settings.json file looks like this:</p>
  
  <pre><code>{
      "workbench.colorTheme": "Default Light+",
      "window.zoomLevel": 0,
      "phpcs.standard": "WordPress",
      "phpcs.executablePath": "/Users/michelle/.composer/vendor/bin/phpcs",
      "phpcs.enable": true,
      "phpcs.showWarnings": true,
      "phpcs.showSources": true,
  }
  </code></pre>
  
  <p>My phpcs.ruleset.xml looks like this:</p>
  
  <pre><code>&lt;?xml version="1.0"?&gt;
  &lt;ruleset name="WordPress Theme Coding Standards"&gt;
      &lt;description&gt;My Project's Coding Standards&lt;/description&gt;
      &lt;rule ref="~/.composer/vendor/wp-coding-standards/wpcs/WordPress-Docs"/&gt;
      &lt;rule ref="~/.composer/vendor/wp-coding-standards/wpcs/WordPress-Extra"/&gt;
      &lt;rule ref="~/.composer/vendor/wp-coding-standards/wpcs/WordPress"/&gt;
      &lt;rule ref="~/.composer/vendor/wp-coding-standards/wpcs/WordPress-Core"/&gt;
      &lt;rule ref="~/.composer/vendor/wp-coding-standards/wpcs/WordPressVIPMinimum"/&gt;
      &lt;rule ref="~/.composer/vendor/wp-coding-standards/wpcs/WordPress-VIP-Go"/&gt;
  &lt;/ruleset&gt;
  </code></pre>