Difference between revisions of "JHtml/"
From Joomla! Documentation
< API16:JHtml
(New page: ===Description===
Class loader method
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Revision as of 21:55, 13 May 2013
The "API16" namespace is an archived namespace. This page contains information for a Joomla! version which is no longer supported. It exists only as a historical reference, it will not be improved and its content may be incomplete and/or contain broken links.
Description[edit]
Class loader method
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Syntax[edit]
static _($type)
Parameter Name | Default Value | Description |
---|---|---|
$type | The name of helper method to load, (prefix).(class).function prefix and class are optional and can be used to load custom html helpers. |
Defined in[edit]
libraries/joomla/html/html.php
Importing[edit]
jimport( 'joomla.html.html' );
Source Body[edit]
public static function _($type)
{
$type = preg_replace('#[^A-Z0-9_\.]#i', '', $type);
// Check to see if we need to load a helper file
$parts = explode('.', $type);
$prefix = (count($parts) == 3 ? array_shift($parts) : 'JHtml');
$file = (count($parts) == 2 ? array_shift($parts) : '');
$func = array_shift($parts);
$key = strtolower($prefix.'.'.$file.'.'.$func);
if (array_key_exists($key, self::$registry))
{
$function = self::$registry[$key];
$args = func_get_args();
// remove function name from arguments
array_shift($args);
return JHtml::call($function, $args);
}
$className = $prefix.ucfirst($file);
if (!class_exists($className))
{
jimport('joomla.filesystem.path');
if ($path = JPath::find(JHtml::$includePaths, strtolower($file).'.php'))
{
require_once $path;
if (!class_exists($className))
{
JError::raiseError(500, $className.'::' .$func. ' not found in file.');
return false;
}
}
else
{
JError::raiseError(500, $prefix.$file . ' not supported. File not found.');
return false;
}
}
$toCall = array($className, $func);
if (is_callable($toCall))
{
JHtml::register($key, $toCall);
$args = func_get_args();
// remove function name from arguments
array_shift($args);
return JHtml::call($toCall, $args);
}
else
{
JError::raiseError(500, $className.'::'.$func.' not supported.');
return false;
}
}
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Examples[edit]
<CodeExamplesForm />