HTML helper class. Provides generic methods for generating various HTML tags and making output HTML safe.
Class declared in SYSPATH/classes/html.php on line 3.
array $attribute_orderpreferred order of attributes
array(28) ( 0 => string(6) "action" 1 => string(6) "method" 2 => string(4) "type" 3 => string(2) "id" 4 => string(4) "name" 5 => string(5) "value" 6 => string(4) "href" 7 => string(3) "src" 8 => string(5) "width" 9 => string(6) "height" 10 => string(4) "cols" 11 => string(4) "rows" 12 => string(4) "size" 13 => string(9) "maxlength" 14 => string(3) "rel" 15 => string(5) "media" 16 => string(14) "accept-charset" 17 => string(6) "accept" 18 => string(8) "tabindex" 19 => string(9) "accesskey" 20 => string(3) "alt" 21 => string(5) "title" 22 => string(5) "class" 23 => string(5) "style" 24 => string(8) "selected" 25 => string(7) "checked" 26 => string(8) "readonly" 27 => string(8) "disabled" )
boolean $windowed_urlsautomatically target external URLs to a new window?
bool FALSE
Create HTML link anchors. Note that the title is not escaped, to allow HTML elements within links (images, etc).
echo HTML::anchor('/user/profile', 'My Profile');
string
$uri
required - URL or URI stringstring
$title
= NULL - Link textarray
$attributes
= NULL - HTML anchor attributesmixed
$protocol
= NULL - Protocol to pass to URL::base()boolean
$index
= bool FALSE - Include the index pagestringpublic static function anchor($uri, $title = NULL, array $attributes = NULL, $protocol = NULL, $index = FALSE)
{
if ($title === NULL)
{
// Use the URI as the title
$title = $uri;
}
if ($uri === '')
{
// Only use the base URL
$uri = URL::base($protocol, $index);
}
else
{
if (strpos($uri, '://') !== FALSE)
{
if (HTML::$windowed_urls === TRUE AND empty($attributes['target']))
{
// Make the link open in a new window
$attributes['target'] = '_blank';
}
}
elseif ($uri[0] !== '#')
{
// Make the URI absolute for non-id anchors
$uri = URL::site($uri, $protocol, $index);
}
}
// Add the sanitized link to the attributes
$attributes['href'] = $uri;
return '<a'.HTML::attributes($attributes).'>'.$title.'</a>';
}Compiles an array of HTML attributes into an attribute string. Attributes will be sorted using HTML::$attribute_order for consistency.
echo '<div'.HTML::attributes($attrs).'>'.$content.'</div>';
array
$attributes
= NULL - Attribute liststringpublic static function attributes(array $attributes = NULL)
{
if (empty($attributes))
return '';
$sorted = array();
foreach (HTML::$attribute_order as $key)
{
if (isset($attributes[$key]))
{
// Add the attribute to the sorted list
$sorted[$key] = $attributes[$key];
}
}
// Combine the sorted attributes
$attributes = $sorted + $attributes;
$compiled = '';
foreach ($attributes as $key => $value)
{
if ($value === NULL)
{
// Skip attributes that have NULL values
continue;
}
if (is_int($key))
{
// Assume non-associative keys are mirrored attributes
$key = $value;
}
// Add the attribute value
$compiled .= ' '.$key.'="'.HTML::chars($value).'"';
}
return $compiled;
}Convert special characters to HTML entities. All untrusted content should be passed through this method to prevent XSS injections.
echo HTML::chars($username);
string
$value
required - String to convertboolean
$double_encode
= bool TRUE - Encode existing entitiesstringpublic static function chars($value, $double_encode = TRUE)
{
return htmlspecialchars( (string) $value, ENT_QUOTES, Kohana::$charset, $double_encode);
}Generates an obfuscated version of an email address. Helps prevent spam robots from finding email addresses.
echo HTML::email($address);
string
$email
required - Email addressstringpublic static function email($email)
{
// Make sure the at sign is always obfuscated
return str_replace('@', '@', HTML::obfuscate($email));
}Convert all applicable characters to HTML entities. All characters that cannot be represented in HTML with the current character set will be converted to entities.
echo HTML::entities($username);
string
$value
required - String to convertboolean
$double_encode
= bool TRUE - Encode existing entitiesstringpublic static function entities($value, $double_encode = TRUE)
{
return htmlentities( (string) $value, ENT_QUOTES, Kohana::$charset, $double_encode);
}Creates an HTML anchor to a file. Note that the title is not escaped, to allow HTML elements within links (images, etc).
echo HTML::file_anchor('media/doc/user_guide.pdf', 'User Guide');
string
$file
required - Name of file to link tostring
$title
= NULL - Link textarray
$attributes
= NULL - HTML anchor attributesmixed
$protocol
= NULL - Protocol to pass to URL::base()boolean
$index
= bool FALSE - Include the index pagestringpublic static function file_anchor($file, $title = NULL, array $attributes = NULL, $protocol = NULL, $index = FALSE)
{
if ($title === NULL)
{
// Use the file name as the title
$title = basename($file);
}
// Add the file link to the attributes
$attributes['href'] = URL::base($protocol, $index).$file;
return '<a'.HTML::attributes($attributes).'>'.$title.'</a>';
}Creates a image link.
echo HTML::image('media/img/logo.png', array('alt' => 'My Company'));
string
$file
required - File namearray
$attributes
= NULL - Default attributesmixed
$protocol
= NULL - Protocol to pass to URL::base()boolean
$index
= bool FALSE - Include the index pagestringpublic static function image($file, array $attributes = NULL, $protocol = NULL, $index = FALSE)
{
if (strpos($file, '://') === FALSE)
{
// Add the base URL
$file = URL::base($protocol, $index).$file;
}
// Add the image link
$attributes['src'] = $file;
return '<img'.HTML::attributes($attributes).' />';
}Creates an email (mailto:) anchor. Note that the title is not escaped, to allow HTML elements within links (images, etc).
echo HTML::mailto($address);
string
$email
required - Email address to send tostring
$title
= NULL - Link textarray
$attributes
= NULL - HTML anchor attributesstringpublic static function mailto($email, $title = NULL, array $attributes = NULL)
{
// Obfuscate email address
$email = HTML::email($email);
if ($title === NULL)
{
// Use the email address as the title
$title = $email;
}
return '<a href="mailto:'.$email.'"'.HTML::attributes($attributes).'>'.$title.'</a>';
}Generates an obfuscated version of a string. Text passed through this method is less likely to be read by web crawlers and robots, which can be helpful for spam prevention, but can prevent legitimate robots from reading your content.
echo HTML::obfuscate($text);
string
$string
required - String to obfuscatestringpublic static function obfuscate($string)
{
$safe = '';
foreach (str_split($string) as $letter)
{
switch (rand(1, 3))
{
// HTML entity code
case 1:
$safe .= '&#'.ord($letter).';';
break;
// Hex character code
case 2:
$safe .= '&#x'.dechex(ord($letter)).';';
break;
// Raw (no) encoding
case 3:
$safe .= $letter;
}
}
return $safe;
}Creates a script link.
echo HTML::script('media/js/jquery.min.js');
string
$file
required - File namearray
$attributes
= NULL - Default attributesmixed
$protocol
= NULL - Protocol to pass to URL::base()boolean
$index
= bool FALSE - Include the index pagestringpublic static function script($file, array $attributes = NULL, $protocol = NULL, $index = FALSE)
{
if (strpos($file, '://') === FALSE)
{
// Add the base URL
$file = URL::base($protocol, $index).$file;
}
// Set the script link
$attributes['src'] = $file;
// Set the script type
$attributes['type'] = 'text/javascript';
return '<script'.HTML::attributes($attributes).'></script>';
}Creates a style sheet link element.
echo HTML::style('media/css/screen.css');
string
$file
required - File namearray
$attributes
= NULL - Default attributesmixed
$protocol
= NULL - Protocol to pass to URL::base()boolean
$index
= bool FALSE - Include the index pagestringpublic static function style($file, array $attributes = NULL, $protocol = NULL, $index = FALSE)
{
if (strpos($file, '://') === FALSE)
{
// Add the base URL
$file = URL::base($protocol, $index).$file;
}
// Set the stylesheet link
$attributes['href'] = $file;
// Set the stylesheet rel
$attributes['rel'] = 'stylesheet';
// Set the stylesheet type
$attributes['type'] = 'text/css';
return '<link'.HTML::attributes($attributes).' />';
}