3 * Smarty Internal Plugin Compile Eval
4 * Compiles the {eval} tag.
12 * Smarty Internal Plugin Compile Eval Class
15 * @subpackage Compiler
17 class Smarty_Internal_Compile_Eval extends Smarty_Internal_CompileBase
20 * Attribute definition: Overwrites base class.
23 * @see Smarty_Internal_CompileBase
25 public $required_attributes = array('var');
27 * Attribute definition: Overwrites base class.
30 * @see Smarty_Internal_CompileBase
32 public $optional_attributes = array('assign');
34 * Attribute definition: Overwrites base class.
37 * @see Smarty_Internal_CompileBase
39 public $shorttag_order = array('var', 'assign');
42 * Compiles code for the {eval} tag
44 * @param array $args array with attributes from parser
45 * @param object $compiler compiler object
47 * @return string compiled code
49 public function compile($args, $compiler)
51 $this->required_attributes = array('var');
52 $this->optional_attributes = array('assign');
53 // check and get attributes
54 $_attr = $this->getAttributes($compiler, $args);
55 if (isset($_attr['assign'])) {
56 // output will be stored in a smarty variable instead of being displayed
57 $_assign = $_attr['assign'];
60 // create template object
61 $_output = "\$_template = new {$compiler->smarty->template_class}('eval:'." . $_attr['var'] . ", \$_smarty_tpl->smarty, \$_smarty_tpl);";
62 //was there an assign attribute?
63 if (isset($_assign)) {
64 $_output .= "\$_smarty_tpl->assign($_assign,\$_template->fetch());";
66 $_output .= "echo \$_template->fetch();";
69 return "<?php $_output ?>";