$required_attributes
$required_attributes : array
Attribute definition: Overwrites base class.
Smarty Internal Plugin Compile Eval Class
getAttributes(object $compiler, array $attributes) : array
This function checks if the attributes passed are valid
The attributes passed for the tag to compile are checked against the list of required and optional attributes. Required attributes must be present. Optional attributes are check against the corresponding list. The keyword '_any' specifies that any attribute will be accepted as valid
| object | $compiler | compiler object |
| array | $attributes | attributes applied to the tag |
of mapped attributes for further processing
closeTag(object $compiler, array|string $expectedTag) : mixed
Pop closing tag
Raise an error if this stack-top doesn't match with expected opening tags
| object | $compiler | compiler object |
| array|string | $expectedTag | the expected opening tag names |
any type the opening tag's name or saved data
<?php
/**
* Smarty Internal Plugin Compile Eval
*
* Compiles the {eval} tag.
*
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
/**
* Smarty Internal Plugin Compile Eval Class
*
* @package Smarty
* @subpackage Compiler
*/
class Smarty_Internal_Compile_Eval extends Smarty_Internal_CompileBase {
/**
* Attribute definition: Overwrites base class.
*
* @var array
* @see Smarty_Internal_CompileBase
*/
public $required_attributes = array('var');
/**
* Attribute definition: Overwrites base class.
*
* @var array
* @see Smarty_Internal_CompileBase
*/
public $optional_attributes = array('assign');
/**
* Attribute definition: Overwrites base class.
*
* @var array
* @see Smarty_Internal_CompileBase
*/
public $shorttag_order = array('var','assign');
/**
* Compiles code for the {eval} tag
*
* @param array $args array with attributes from parser
* @param object $compiler compiler object
* @return string compiled code
*/
public function compile($args, $compiler)
{
$this->required_attributes = array('var');
$this->optional_attributes = array('assign');
// check and get attributes
$_attr = $this->getAttributes($compiler, $args);
if (isset($_attr['assign'])) {
// output will be stored in a smarty variable instead of beind displayed
$_assign = $_attr['assign'];
}
// create template object
$_output = "\$_template = new {$compiler->smarty->template_class}('eval:'.".$_attr['var'].", \$_smarty_tpl->smarty, \$_smarty_tpl);";
//was there an assign attribute?
if (isset($_assign)) {
$_output .= "\$_smarty_tpl->assign($_assign,\$_template->fetch());";
} else {
$_output .= "echo \$_template->fetch();";
}
return "<?php $_output ?>";
}
}
?>