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');
28 * Attribute definition: Overwrites base class.
31 * @see Smarty_Internal_CompileBase
33 public $optional_attributes = array('assign');
36 * Attribute definition: Overwrites base class.
39 * @see Smarty_Internal_CompileBase
41 public $shorttag_order = array('var', 'assign');
44 * Compiles code for the {eval} tag
46 * @param array $args array with attributes from parser
47 * @param object $compiler compiler object
49 * @return string compiled code
51 public function compile($args, $compiler)
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:'." . $_attr[ 'var' ] .
62 ", \$_smarty_tpl->smarty, \$_smarty_tpl);";
63 //was there an assign attribute?
64 if (isset($_assign)) {
65 $_output .= "\$_smarty_tpl->assign($_assign,\$_template->fetch());";
67 $_output .= "echo \$_template->fetch();";
70 return "<?php $_output ?>";