aarongustafson/example.php

## example.php
<?php

function example()
{
  $a = $b = 0;
}

?>

## full-test.html
<!DOCTYPE html>
<html lang="en">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
  <title>Serial value assignment and scope</title>
  <script type="text/javascript">
    (function(){
      var a = b = 0;
    })();
  </script>
</head>
<body>
  <h1>Serial variable assignment and scope test</h1>
  <h2>Create a closure:</h2>
  <pre><code class="js">(function(){
  var a = b = 0;
})();</code></pre>
  <p>Test for variables in the global scope:</p>
  <ul>
    <li>Test for <var>window.i</var>:
      <script type="text/javascript">
        try {
          document.write( 'a is defined in the global namespace and has a value of ' + a );
        }
        catch ( e )
        {
          document.write( 'a is undefined in the global namespace' );
        }
      </script>
    </li>
    <li>Test for <var>window.j</var>:
      <script type="text/javascript">
        try {
          document.write( 'b is defined in the global namespace and has a value of ' + b );
        }
        catch ( e )
        {
          document.write( 'b is undefined in the global namespace' );
        }
      </script>
    </li>
  </ul>
</body>
</html>

## pollutes.js
(function(){
  var a = b = 0;
})();

## scoped-option-1.js
(function(){
  var a = 0, b = 0;
})();

## scoped-option-2.js
(function(){
  var a = 0, b = a;
})();
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
	<title>Serial value assignment and scope</title>
	<script type="text/javascript">
	(function(){
	var a = b = 0;
	})();
	</script>
	</head>
	<body>
	<h1>Serial variable assignment and scope test</h1>
	<h2>Create a closure:</h2>
	<pre><code class="js">(function(){
	var a = b = 0;
	})();</code></pre>
	<p>Test for variables in the global scope:</p>
	<ul>
	<li>Test for <var>window.i</var>:
	<script type="text/javascript">
	try {
	document.write( 'a is defined in the global namespace and has a value of ' + a );
	}
	catch ( e )
	{
	document.write( 'a is undefined in the global namespace' );
	}
	</script>
	</li>
	<li>Test for <var>window.j</var>:
	<script type="text/javascript">
	try {
	document.write( 'b is defined in the global namespace and has a value of ' + b );
	}
	catch ( e )
	{
	document.write( 'b is undefined in the global namespace' );
	}
	</script>
	</li>
	</ul>
	</body>
	</html>