array(
  // 'entity' => 'char'
  'amp' => '&',
  'lt' => '<',
  'gt' => '>',
  'apos' => '\'',
  'quot' => '"'
)

include('funcs.xmlentities.php');
 
$s = '<strong>This</strong> should be safe, but don\'t assume!<br/>';
print '<Field>'.xmlentities($s).'</Field>';
// outputs: <Field>&lt;strong&gt;This&lt;/strong&gt; should be safe, but don&apos;t assume!&lt;br/&gt;</Field>

  <?php
  require('class.csv.php');
 
  header('Content-type: text/plain');
 
  $csv = new CSV('test.csv');
 
  while ($row = $csv->read()) {
    print_r($row);
  }

/**
 * setURL
 *
 * Modifies the current URL and redirects the browser
 *
 * @param string key The name of the parameter to set
 * @param mixed value The value to set the parameter to
 * @return void
 * @author Dom Hastings
 */
function setURL(key, value) {
  // set up the url separators
  var separator = {
    // site.url/controller/action/key1:value1/key2:value2
    'key': '/',
    'value': ':'
  }
 
  // get the current url
  var url = window.location.href;
  // check if the specified key already exists
  var exists = url.indexOf(separator.key + key + separator.value);
 
  // if it does
  if (exists > -1) {
    // find the next separator.key
    var last = url.indexOf(separator.key, exists + 1);
 
    // if there is one
    if (last > -1) {
      // replcae the existing value with the one passed
      url = url.substr(0, exists) + separator.key + key + separator.value + escape(value) + url.substr(last);
 
    // if not
    } else {
      // just append it
      url = url.substr(0, exists) + separator.key + key + separator.value + escape(value);
    }
 
  // if it's not already in there
  } else {
    // if the URL doesn't end with a separator.key
    if (url.substr(-1) != separator.key) {
      // append it
      url += separator.key;
    }
 
    // append the value
    url += key + separator.value + escape(value);
  }
 
  // set the url
  window.location.href = url;
}

<!-- Items per page: -->
<select onchange="setURL('limit', this.value)">
  <option value="10"<?=($params['named']['limit'] == '10') ? ' selected="selected"' : ''?>>10</option>
  <option value="20"<?=($params['named']['limit'] == '20') ? ' selected="selected"' : ''?>>20</option>
  <option value="50"<?=($params['named']['limit'] == '50') ? ' selected="selected"' : ''?>>50</option>
  <option value="100"<?=($params['named']['limit'] == '100') ? ' selected="selected"' : ''?>>100</option>
</select>
 
<!-- Page: -->
<select onchange="setURL('page', this.value)">
<?php for ($i = 1; $i <= $paginator->counter(array('format' => '%pages%')); $i++): ?>
  <option value="<?=$i?>"<?=($params['named']['page'] == $i) ? ' selected="selected"' : ''?>><?=$i?></option>
<?php endfor ?>
</select>

class CounterComponent extends Component {
  var $components = array(
    'Session'
  );
 
  function i() {
    if ($this->Session->check('Counter.i')) {
      $i = ($this->Session->read('Counter.i') + 1);
 
    } else {
      $i = 0;
    }
 
    $this->Session->write('Counter.i', $i);
 
    return $i;
  }
 
  function clear() {
    $this->Session->delete('Counter.i');
  }
}

  function edit($id) {
    if (!empty($this->data)) {
      // process it
      $this->Customer->id = $id;
 
      $this->Customer->save($this->data);
 
      $this->redirect(array(
        'controller' => 'customers',
        'action' => 'view',
        $id
      ));
 
    } else {
      $this->data = $this->Customer->find('first', array(
        'id' => $id
      ));
 
      extract($this->data);
    }
 
    $this->set(get_defined_vars());
 
    $this->render('form');
  }

      $this->redirect('/customers/view/'.$id);

      $this->redirect('http://www.google.co.uk/');

		$response = $this->Component->beforeRedirect($this, $url, $status, $exit);
 
		if ($response === false) {
			return;
		}
		if (is_array($response)) {
			foreach ($response as $resp) {
				if (is_array($resp) && isset($resp['url'])) {
					extract($resp, EXTR_OVERWRITE);
				} elseif ($resp !== null) {
					$url = $resp;
				}
			}
		}

// Component::beforeRedirect
	function beforeRedirect(&$controller, $url, $status = null, $exit = true) {
		$response = array();
 
		foreach ($this->_primary as $name) {
			$component =& $this->_loaded[$name];
 
			if ($component->enabled === true && method_exists($component, 'beforeRedirect')) {
				$resp = $component->beforeRedirect($controller, $url, $status, $exit);
				if ($resp === false) {
					return false;
				}
				$response[] = $resp;
			}
		}
		return $response;
	}

scale(400, 300);
$image->write('small-image.jpg');
 
$image2 = new Image('image2.jpg');
$image2->watermark = 'sample.png';
$image2->output();

$r = '';
$r .= $r .= $r .= 'a';

print $r; // 'aaaa'

r = ''
r += r += r += 'a'
puts r # 'a'

r = ''
r += r += r += 'a'
#   File "", line 1
#     r += r += r += 'a'
#             ^
# SyntaxError: invalid syntax

var r = '';
r += r += r += 'a';
alert(r); // 'a'

my $r = '';
$r .= $r .= $r .= 'a';
print $r; // 'aaaa'

$r = '';
$r += $r += $r += 'a';
 
// How it works:
//
// $r += 'a'; // 'a'
// $r += $r += 'a'; // 'a' + 'a';
// $r += $r += $r += 'a'; // 'aa' + ('a' + 'a')

.bold {
  font-weight: bold;
}
 
.important {
  font-weight: bold;
}

JSS({
  ".bold": {
    "font-weight": "bold"
  },
  ".important": {
    "include": ".bold"
  }
});