PHP escape_once函数代码示例

 private function _getListItemHtml($node)
 {
     if (!isset($this->deleteRestrictionLevels)) {
         $this->deleteRestrictionLevels = $this->getPropertyObject()->getDeleteReistrictionLevels();
         $this->addRestrictionLevels = $this->getPropertyObject()->getAddReistrictionLevels();
         $this->allowAdd = !(isset($this->addRestrictionLevels[0]) && $this->addRestrictionLevels[0] === '*');
         $this->allowDelete = !(isset($this->deleteRestrictionLevels[0]) && $this->deleteRestrictionLevels[0] === '*');
     }
     $listContent = '';
     $nodeName = isset($node['name']) ? __($node['name']) : __($node->getName());
     $nodeUnitId = $node->getUnitId();
     $displayNodeName = !empty($nodeUnitId) ? $nodeUnitId . " : " . $nodeName : $nodeName;
     $displayNodeName = escape_once($displayNodeName);
     $nodeDescription = isset($node['description']) ? __($node['description']) : __($node->getDescription());
     $displayNodeDescription = escape_once($nodeDescription);
     if (!empty($nodeDescription)) {
         $listContent .= "<span id=\"span_{$node['id']}\" class=\"labelNode tiptip\" title=\"{$displayNodeDescription}\">{$displayNodeName}</span>";
     } else {
         $listContent .= "<span id=\"span_{$node['id']}\" class=\"labelNode\">{$displayNodeName}</span>";
     }
     $listContent .= content_tag('a', $displayNodeName, array('href' => '#?', 'id' => 'treeLink_edit_' . $node['id'], 'class' => 'editLink'));
     $listContent .= '&nbsp;';
     if ($this->allowAdd && !in_array($node['level'], $this->addRestrictionLevels)) {
         $listContent .= content_tag('a', ' +', array('href' => '#?', 'id' => 'treeLink_addChild_' . $node['id'], 'style' => 'text-decoration: none;', 'class' => 'addButton'));
     }
     $listContent .= '&nbsp;';
     if ($node['id'] != 1 && $this->allowDelete && !in_array($node['level'], $this->deleteRestrictionLevels)) {
         $listContent .= content_tag('a', ' x', array('href' => '#?', 'id' => 'treeLink_delete_' . $node['id'], 'style' => 'text-decoration: none;', 'class' => 'deleteButton'));
     }
     return "<li id=\"node_{$node['id']}\">" . $listContent;
 }

function _tag_options($options = array())
{
    $options = _parse_attributes($options);
    $html = '';
    foreach ($options as $key => $value) {
        $html .= ' ' . $key . '="' . escape_once($value) . '"';
    }
    return $html;
}

 /**
  * Transform kanji in the input Japanese text into links to the Study area,
  * and add class for Javascript popup with the Heisig keywords.
  * 
  * @param  string  $j_text  Japanese text in utf-8 from validated post data.
  * @return string  Japanese text as HTML code.
  */
 protected function transformJapaneseText($j_text)
 {
     coreToolkit::loadHelpers('Tag');
     $j_text = escape_once(trim($j_text));
     // collect associative array of known kanji => kanji, framenum, keyword
     $kanjis = ReviewsPeer::getKnownKanji($this->getUser()->getUserId(), array('kanji', 'keyword'));
     $known = array();
     foreach ($kanjis as $i => $kanjiData) {
         $known[$kanjiData['kanji']] = $kanjiData;
     }
     // wrap known kanji in text with links to Study area and hooks for javascript tooltip
     foreach ($known as $kanji => $info) {
         $url = '/study/?search=' . $info['framenum'];
         $rep = '<a href="' . $url . '" class="j" title="' . $info['keyword'] . '">' . $kanji . '</a>';
         $j_text = str_replace($kanji, $rep, $j_text);
     }
     // assumes lines end with \r\n
     $j_text = preg_replace('/[\\r\\n]+/', '<br/>', $j_text);
     return $j_text;
 }

$t->is(tag('br', 'class=foo', false), '<br class="foo" />', 'tag() takes a string of options as its second parameters');
$t->is(tag('p', array('class' => 'foo', 'id' => 'bar'), true), '<p class="foo" id="bar">', 'tag() takes a boolean parameter as its third parameter');
//$t->is(tag('br', array('class' => '"foo"')), '<br class="&quot;foo&quot;" />');
// content_tag()
$t->diag('content_tag()');
$t->is(content_tag(''), '', 'content_tag() returns an empty string with empty input');
$t->is(content_tag('', ''), '', 'content_tag() returns an empty string with empty input');
$t->is(content_tag('p', 'Toto'), '<p>Toto</p>', 'content_tag() takes a content as its second parameter');
$t->is(content_tag('p', ''), '<p></p>', 'content_tag() takes a tag as its first parameter');
// cdata_section()
$t->diag('cdata_section()');
$t->is(cdata_section(''), '<![CDATA[]]>', 'cdata_section() returns a string wrapped into a CDATA section');
$t->is(cdata_section('foobar'), '<![CDATA[foobar]]>', 'cdata_section() returns a string wrapped into a CDATA section');
// escape_javascript()
$t->diag('escape_javascript()');
$t->is(escape_javascript("alert('foo');\nalert(\"bar\");"), 'alert(\\\'foo\\\');\\nalert(\\"bar\\");', 'escape_javascript() escapes JavaScript scripts');
// _get_option()
$t->diag('_get_option()');
$options = array('foo' => 'bar', 'bar' => 'foo');
$t->is(_get_option($options, 'foo'), 'bar', '_get_option() returns the value for the given key');
$t->ok(!isset($options['foo']), '_get_option() removes the key from the original array');
$t->is(_get_option($options, 'nofoo', 'nobar'), 'nobar', '_get_option() returns the default value if the key does not exist');
// escape_once()
$t->diag('escape_once()');
$t->is(escape_once('This a > text to "escape"'), 'This a &gt; text to &quot;escape&quot;', 'escape_once() escapes an HTML strings');
$t->is(escape_once(escape_once('This a > text to "escape"')), 'This a &gt; text to &quot;escape&quot;', 'escape_once() does not escape an already escaped string');
$t->is(escape_once('This a &gt; text to "escape"'), 'This a &gt; text to &quot;escape&quot;', 'escape_once() does not escape an already escaped string');
$t->is(escape_once("This a &gt; \"text\" to 'escape'"), "This a &gt; &quot;text&quot; to 'escape'", 'escape_once() does not escape simple quotes but escape double quotes');
// fix_double_escape()
$t->diag('fix_double_escape()');
$t->is(fix_double_escape(htmlspecialchars(htmlspecialchars('This a > text to "escape"'), ENT_QUOTES, 'UTF-8'), ENT_QUOTES, 'UTF-8'), 'This a &gt; text to &quot;escape&quot;', 'fix_double_escape() fixes double escaped strings');

/**
 * Returns a <textarea> tag, optionally wrapped with an inline rich-text JavaScript editor.
 *
 * The texarea_tag helper generates a standard HTML <textarea> tag and can be manipulated with
 * any number of standard HTML parameters via the <i>$options</i> array variable.  However, the
 * textarea tag also has the unique capability of being transformed into a WYSIWYG rich-text editor
 * such as TinyMCE (http://tinymce.moxiecode.com) very easily with the use of some specific options:
 *
 * <b>Options:</b>
 *  - rich: A rich text editor class (for example sfRichTextEditorTinyMCE for TinyMCE).
 *
 * <b>Examples:</b>
 * <code>
 *  echo textarea_tag('notes');
 * </code>
 *
 * <code>
 *  echo textarea_tag('description', 'This is a description', array('rows' => 10, 'cols' => 50));
 * </code>
 *
 * @param  string field name
 * @param  string populated field value
 * @param  array  additional HTML compliant <textarea> tag parameters
 *
 * @return string <textarea> tag optionally wrapped with a rich-text WYSIWYG editor
 */
function textarea_tag($name, $content = null, $options = array())
{
    $options = _parse_attributes($options);
    if ($size = _get_option($options, 'size')) {
        list($options['cols'], $options['rows']) = split('x', $size, 2);
    }
    // rich control?
    if ($rich = _get_option($options, 'rich', false)) {
        if (true === $rich) {
            $rich = sfConfig::get('sf_rich_text_editor_class', 'TinyMCE');
        }
        // switch for backward compatibility
        switch ($rich) {
            case 'tinymce':
                $rich = 'TinyMCE';
                break;
            case 'fck':
                $rich = 'FCK';
                break;
        }
        $editorClass = 'sfRichTextEditor' . $rich;
        if (!class_exists($editorClass)) {
            throw new sfConfigurationException(sprintf('The rich text editor "%s" does not exist.', $editorClass));
        }
        $sfEditor = new $editorClass();
        if (!in_array('sfRichTextEditor', class_parents($sfEditor))) {
            throw new sfConfigurationException(sprintf('The editor "%s" must extend sfRichTextEditor.', $editorClass));
        }
        $sfEditor->initialize($name, $content, $options);
        return $sfEditor->toHTML();
    }
    return content_tag('textarea', escape_once(is_object($content) ? $content->__toString() : $content), array_merge(array('name' => $name, 'id' => get_id_from_name(_get_option($options, 'id', $name), null)), _convert_options($options)));
}

function _data_value($arr, $key, $default = false)
{
    if ($arr && isset($arr[$key])) {
        return escape_once($arr[$key]);
    }
    return escape_once($default);
}

 /**
  * Return a story formatted for display.
  * 
  * The input story is ESCAPED before html tags are inserted for the formatting.
  * It is assumed strip_tags() was used previously. The returned string should not be escaped
  * again in the view template.
  * 
  * @param  String   $story
  * @param  String   $keyword
  * @param  Boolean  $bSubstituteLinks    True to show frame number references as links otherwise plain text.
  * @return String
  */
 public static function getFormattedStory($story, $keyword, $bSubstituteLinks = true)
 {
     // Links helper is used by getFormattedKanjiLink() call
     coreToolkit::loadHelpers(array('Tag', 'Url'));
     // minimal punctuation : upper case first beginning of text
     $s = phpToolkit::mb_ucfirst($story);
     //echo error_reporting();exit;
     // minimal punctuation : end sentence with dot.
     if (preg_match('/[^.!?]$/', $s)) {
         $s = $s . '.';
     }
     // remove extra spaces
     $s = preg_replace('/\\s\\s+/u', ' ', $s);
     // format mnemonic keyword if keyword is found within text
     $keywords = explode(rtkBook::EDITION_SEPARATOR, $keyword);
     if (count($keywords) > 1) {
         // use 4th edition keyword if multiple edition keyword
         $keyword = $keywords[1];
     }
     // remove trailing '?' or '...'
     $keyword = preg_replace('/\\s*\\.\\.\\.$|\\s*\\?$/', '', $keyword);
     // fixes highlighting keywords like "lead (metal)" or "abyss [old]"
     if (strstr($keyword, '(')) {
         $keyword = preg_replace('/\\s+\\([^\\)]+\\)/', '', $keyword);
     }
     if (strstr($keyword, '[')) {
         $keyword = preg_replace('/\\s+\\[[^\\]]+\\]/', '', $keyword);
     }
     if (strlen($keyword) == 1) {
         $keyword = $keyword . '($|\\s+)';
     }
     // escape text before adding html tags, replace the single quotes with another
     // special character because the escaping uses htmlspecialchars() inserts '
     // and then the '#' character is matched by another regexp as the #keyword# marker
     $s = str_replace('\'', '`', $s);
     $s = escape_once($s);
     $s = preg_replace('/(^|\\s+)(' . $keyword . ')/i', '<strong>$1$2</strong>', $s);
     // format mnemonic #keyword#
     $s = preg_replace('/#([^#]+)#/ui', '<strong>$1</strong>', $s);
     // format mnemonic *primitives*
     $s = preg_replace('/\\*([^\\*]+)\\*/ui', '<em>$1</em>', $s);
     //    $s = preg_replace("/{([0-9]+)}/", "<a href=\"?framenum=$1\">frame $1</a>", $s);
     if ($bSubstituteLinks) {
         $s = preg_replace_callback('/{([0-9]+)}/', array('StoriesPeer', 'getFormattedKanjiLink'), $s);
     } else {
         $s = preg_replace_callback('/{([0-9]+)}/', create_function('$matches', 'return sprintf("<em>%s</em> (FRAME %d)", KanjisPeer::getKeyword($matches[1]), $matches[1]);'), $s);
     }
     // Now restore the single quotes (as escaped single quotes)
     $s = str_replace('`', '&#039;', $s);
     return $s;
 }

<h1>Output Escaping Tests</h1>

<?php 
echo escape_once($dangerous_message);
?>

include_partial('SideColumn', array('framenum' => $framenum));
?>

  <div class="col-main col-box col-box-top">

<?php 
if (!$framenum) {
    ?>
	
	<div class="app-header">
		<h2>Search : No results</h2>
		<div class="clearboth"></div>
	</div>
	
	<p> Sorry, there are no results for "<strong><?php 
    echo escape_once($_params->get('search'));
    ?>
</strong>".</p>

<?php 
} else {
    ?>

	<div id="EditStoryComponent">
		<div class="app-header">
			<h2>Lesson <?php 
    echo $kanjiData->lessonnum;
    ?>
</h2>
			<div class="clearboth"></div>
		</div>

/**
 * Create a <textarea> element, with content.
 * 
 * @param string Name attribute
 * @param mixed  Default content
 * @param array	 Optional attributes
 */
function textarea_tag($name, $content = null, $options = array())
{
    $_request = coreContext::getInstance()->getRequest();
    // repopulate with get/post data
    $content = $_request->getParameter($name, $content);
    // add css class
    $options = _parse_attributes($options);
    $options = array_merge(array('name' => $name, 'id' => get_id_from_name($name)), $options);
    _check_field_error($name, $options);
    return content_tag('textarea', escape_once(is_object($content) ? $content->__toString() : $content), _convert_options($options));
}

function _tag_options($options = array(), $raw = false)
{
  static $sf_incremental_id = 0;
  $options = _parse_attributes($options);
  $response = sfContext::getInstance()->getResponse();
  $script = $response->getParameter('script', '', 'symfony/view/UJS');
  $html = '';
  $id = isset($options['id']) ? $options['id'] : false;
  foreach ($options as $key => $value)
  {
    if(strpos($key, 'on') !== 0 || $raw)
    {
      // regular attribute
      $html .= ' '.$key.'="'.escape_once($value).'"';
    }
    else
    {
      // event handler
      if(!$id)
      {
        $id = UJS_incremental_id();
        $html .= ' id="'.$id.'"';
      }
      use_javascript('/sfUJSPlugin/js/jquery');
      if(is_array($value))
      {
        $behaviour = array();
        foreach($value as $behaviour_single)
        {
          $behaviour[] = "function() { ".escape_once($behaviour_single)." }";
        }
        $behaviour = implode(' ,', $behaviour);
      }
      else
      {
        $behaviour = "function() { ".escape_once($value)." }";
      }
      $script .= "$('#".$id."').".
                     substr($key, 2, strlen($key) - 2).
                     "( ".$behaviour." );\n";
    }
    $response->setParameter('script', $script, 'symfony/view/UJS');
  }

  return $html;
}

    <tr><td>Timezone :</td><td><?php 
echo rtkTimezones::$timezones[(string) $user['timezone']];
?>
</td></tr>
  </table>

  <table cellspacing="0" class="blocky">
    <tr class="head">
      <th colspan="2">Member Stats</th>
    </tr>
    <tr><td>Kanji Count :</td><td><?php 
echo escape_once($kanji_count);
?>
</td></tr>
    <tr><td>Total Reviews :</td><td><?php 
echo escape_once($total_reviews);
?>
</td></tr>
    <tr><td>Joined :</td><td><?php 
echo date('j M Y', $user['ts_joindate']);
?>
</td></tr>
    <tr><td>Last Login:</td><td><?php 
echo time_ago_in_words($user['ts_lastlogin'], true);
?>
 ago</td></tr>
  </table>

<?php 
if ($forum_uid && $self_account) {
    ?>

/**
 * Inserts a page view into the supplied link's onclick attribute.
 * 
 * @throws  sfViewException if "track_as" option is absent
 * 
 * @param   sfGoogleAnalyticsTracker $tracker
 * @param   string $link
 * @param   array $options
 * 
 * @return  string
 */
function _add_onclick_tracking(sfGoogleAnalyticsTracker $tracker, $link, $options = array())
{
    if (!isset($options['track_as'])) {
        throw new sfViewException(sprintf('{%s} The "track_as" parameter is required.', basename(__FILE__)));
    }
    $tracker = sfContext::getInstance()->getRequest()->getTracker();
    if ($tracker->isEnabled()) {
        $onclick = $tracker->forgePageViewFunction($options['track_as'], $options);
        $onclick = escape_once($onclick);
        $link = str_replace('onclick="', 'onclick="' . $onclick . ' ', $link);
    }
    return $link;
}

include_partial('SideColumn', array('framenum' => $kanjiData ? $kanjiData->framenum : 0));
?>

  <div class="col-main col-box col-box-top">

<?php 
if (!$kanjiData) {
    ?>
  
  <div class="app-header">
    <h2>Search : No results</h2>
    <div class="clearboth"></div>
  </div>
  
  <p> Sorry, there are no results for "<strong><?php 
    echo escape_once($_params->get('id'));
    ?>
</strong>".</p>

<?php 
} else {
    ?>

  <div id="EditStoryComponent">
    <div class="app-header">
      <h2>Lesson <?php 
    echo $kanjiData->lessonnum;
    ?>
</h2>
      <div class="clearboth"></div>
    </div>

/**
 * Returns a <textarea> tag, optionally wrapped with an inline rich-text JavaScript editor.
 *
 * The texarea_tag helper generates a standard HTML <textarea> tag and can be manipulated with
 * any number of standard HTML parameters via the <i>$options</i> array variable.  However, the 
 * textarea tag also has the unique capability of being transformed into a WYSIWYG rich-text editor
 * such as TinyMCE (http://tinymce.moxiecode.com) very easily with the use of some specific options:
 *
 * <b>Options:</b>
 *  - rich: A rich text editor class (for example sfRichTextEditorTinyMCE for TinyMCE).
 *
 * <b>Examples:</b>
 * <code>
 *  echo textarea_tag('notes');
 * </code>
 *
 * <code>
 *  echo textarea_tag('description', 'This is a description', array('rows' => 10, 'cols' => 50));
 * </code> 
 *
 * @param  string field name
 * @param  string populated field value
 * @param  array  additional HTML compliant <textarea> tag parameters
 *
 * @return string <textarea> tag optionally wrapped with a rich-text WYSIWYG editor
 */
function textarea_tag($name, $content = null, $options = array())
{
    $options = _parse_attributes($options);
    if ($size = _get_option($options, 'size')) {
        list($options['cols'], $options['rows']) = split('x', $size, 2);
    }
    return content_tag('textarea', escape_once(is_object($content) ? $content->__toString() : $content), array_merge(array('name' => $name, 'id' => get_id_from_name(_get_option($options, 'id', $name), null)), _convert_options($options)));
}