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<?php
/**
* Smarty Internal Plugin Compile Assign
* Compiles the {assign} tag
*
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
/**
* Smarty Internal Plugin Compile Assign Class
*
* @package Smarty
* @subpackage Compiler
*/
class Smarty_Internal_Compile_Assign extends Smarty_Internal_CompileBase
{
/**
* Attribute definition: Overwrites base class.
*
* @var array
* @see Smarty_Internal_CompileBase
*/
public $option_flags = array('nocache', 'noscope');
/**
* Valid scope names
*
* @var array
*/
public $valid_scopes = array(
'local' => Smarty::SCOPE_LOCAL, 'parent' => Smarty::SCOPE_PARENT,
'root' => Smarty::SCOPE_ROOT, 'global' => Smarty::SCOPE_GLOBAL,
'tpl_root' => Smarty::SCOPE_TPL_ROOT, 'smarty' => Smarty::SCOPE_SMARTY
);
/**
* Compiles code for the {assign} tag
*
* @param array $args array with attributes from parser
* @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
* @param array $parameter array with compilation parameter
*
* @return string compiled code
* @throws \SmartyCompilerException
*/
public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
{
// the following must be assigned at runtime because it will be overwritten in Smarty_Internal_Compile_Append
$this->required_attributes = array('var', 'value');
$this->shorttag_order = array('var', 'value');
$this->optional_attributes = array('scope');
$this->mapCache = array();
$_nocache = false;
// check and get attributes
$_attr = $this->getAttributes($compiler, $args);
// nocache ?
if ($_var = $compiler->getId($_attr[ 'var' ])) {
$_var = "'{$_var}'";
} else {
$_var = $_attr[ 'var' ];
}
if ($compiler->tag_nocache || $compiler->nocache) {
$_nocache = true;
// create nocache var to make it know for further compiling
$compiler->setNocacheInVariable($_attr[ 'var' ]);
}
// scope setup
if ($_attr[ 'noscope' ]) {
$_scope = -1;
} else {
$_scope = $compiler->convertScope($_attr, $this->valid_scopes);
}
// optional parameter
$_params = '';
if ($_nocache || $_scope) {
$_params .= ' ,' . var_export($_nocache, true);
}
if ($_scope) {
$_params .= ' ,' . $_scope;
}
if (isset($parameter[ 'smarty_internal_index' ])) {
$output =
"<?php \$_tmp_array = isset(\$_smarty_tpl->tpl_vars[{$_var}]) ? \$_smarty_tpl->tpl_vars[{$_var}]->value : array();\n";
$output .= "if (!is_array(\$_tmp_array) || \$_tmp_array instanceof ArrayAccess) {\n";
$output .= "settype(\$_tmp_array, 'array');\n";
$output .= "}\n";
$output .= "\$_tmp_array{$parameter['smarty_internal_index']} = {$_attr['value']};\n";
$output .= "\$_smarty_tpl->_assignInScope({$_var}, \$_tmp_array{$_params});?>";
} else {
$output = "<?php \$_smarty_tpl->_assignInScope({$_var}, {$_attr['value']}{$_params});?>";
}
return $output;
}
}
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