title: Getting error in writing variable
body: <p>I am writing this code in php</p>
  
  <pre><code>$a = 1 + 2 + 3 − 4 + 5;
  echo $a;
  </code></pre>
  
  <p>getting error</p>
  
  <blockquote>
    <p>Parse error: syntax error, unexpected 'âˆ’' (T_STRING) in
    E:\xampp\htdocs\practice\test\index.php on line 2</p>
  </blockquote>
  
  <p>what's the problem what's the right code</p>