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2809 rexy 1 
<?php
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/**
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 * Smarty Internal Plugin Compile Eval
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 * Compiles the {eval} tag.
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 *
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 * @package    Smarty
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 * @subpackage Compiler
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 * @author     Uwe Tews
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 */
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/**
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 * Smarty Internal Plugin Compile Eval Class
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 *
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 * @package    Smarty
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 * @subpackage Compiler
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 */
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class Smarty_Internal_Compile_Eval extends Smarty_Internal_CompileBase
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{
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    /**
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     * Attribute definition: Overwrites base class.
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     *
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     * @var array
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     * @see Smarty_Internal_CompileBase
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     */
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    public $required_attributes = array('var');
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    /**
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     * Attribute definition: Overwrites base class.
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     *
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     * @var array
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     * @see Smarty_Internal_CompileBase
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     */
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    public $optional_attributes = array('assign');
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    /**
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     * Attribute definition: Overwrites base class.
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     *
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     * @var array
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     * @see Smarty_Internal_CompileBase
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     */
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    public $shorttag_order = array('var', 'assign');
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    /**
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     * Compiles code for the {eval} tag
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     *
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     * @param array  $args     array with attributes from parser
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     * @param object $compiler compiler object
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     *
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     * @return string compiled code
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     */
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    public function compile($args, $compiler)
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    {
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        // check and get attributes
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        $_attr = $this->getAttributes($compiler, $args);
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        if (isset($_attr[ 'assign' ])) {
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            // output will be stored in a smarty variable instead of being displayed
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            $_assign = $_attr[ 'assign' ];
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        }
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        // create template object
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        $_output =
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            "\$_template = new {$compiler->smarty->template_class}('eval:'.{$_attr[ 'var' ]}, \$_smarty_tpl->smarty, \$_smarty_tpl);";
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        //was there an assign attribute?
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        if (isset($_assign)) {
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            $_output .= "\$_smarty_tpl->assign($_assign,\$_template->fetch());";
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        } else {
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            $_output .= 'echo $_template->fetch();';
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        }
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        return "<?php $_output ?>";
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    }
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}