229 lines
6.9 KiB
PHP
229 lines
6.9 KiB
PHP
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<?php
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/**
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* Smarty Internal Plugin Compile ForeachSection
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* Shared methods for {foreach} {section} tags
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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 ForeachSection 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_Private_ForeachSection extends Smarty_Internal_CompileBase
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{
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/**
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* Name of this tag
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*
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* @var string
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*/
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public $tagName = '';
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/**
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* Valid properties of $smarty.xxx variable
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*
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* @var array
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*/
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public $nameProperties = array();
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/**
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* {section} tag has no item properties
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*
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* @var array
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*/
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public $itemProperties = null;
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/**
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* {section} tag has always name attribute
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*
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* @var bool
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*/
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public $isNamed = true;
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/**
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* @var array
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*/
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public $matchResults = array();
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/**
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* Preg search pattern
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*
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* @var string
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*/
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private $propertyPreg = '';
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/**
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* Offsets in preg match result
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*
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* @var array
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*/
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private $resultOffsets = array();
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/**
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* Start offset
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*
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* @var int
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*/
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private $startOffset = 0;
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/**
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* Scan sources for used tag attributes
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*
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* @param array $attributes
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* @param \Smarty_Internal_TemplateCompilerBase $compiler
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*
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* @throws \SmartyException
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*/
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public function scanForProperties($attributes, Smarty_Internal_TemplateCompilerBase $compiler)
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{
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$this->propertyPreg = '~(';
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$this->startOffset = 1;
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$this->resultOffsets = array();
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$this->matchResults = array('named' => array(), 'item' => array());
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if (isset($attributes[ 'name' ])) {
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$this->buildPropertyPreg(true, $attributes);
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}
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if (isset($this->itemProperties)) {
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if ($this->isNamed) {
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$this->propertyPreg .= '|';
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}
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$this->buildPropertyPreg(false, $attributes);
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}
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$this->propertyPreg .= ')\W~i';
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// Template source
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$this->matchTemplateSource($compiler);
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// Parent template source
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$this->matchParentTemplateSource($compiler);
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// {block} source
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$this->matchBlockSource($compiler);
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}
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/**
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* Build property preg string
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*
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* @param bool $named
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* @param array $attributes
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*/
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public function buildPropertyPreg($named, $attributes)
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{
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if ($named) {
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$this->resultOffsets[ 'named' ] = $this->startOffset = $this->startOffset + 3;
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$this->propertyPreg .= "(([\$]smarty[.]{$this->tagName}[.]" .
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($this->tagName === 'section' ? "|[\[]\s*" : '') .
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"){$attributes['name']}[.](";
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$properties = $this->nameProperties;
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} else {
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$this->resultOffsets[ 'item' ] = $this->startOffset = $this->startOffset + 2;
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$this->propertyPreg .= "([\$]{$attributes['item']}[@](";
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$properties = $this->itemProperties;
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}
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$propName = reset($properties);
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while ($propName) {
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$this->propertyPreg .= "{$propName}";
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$propName = next($properties);
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if ($propName) {
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$this->propertyPreg .= '|';
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}
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}
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$this->propertyPreg .= '))';
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}
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/**
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* Find matches in source string
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*
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* @param string $source
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*/
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public function matchProperty($source)
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{
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preg_match_all($this->propertyPreg, $source, $match);
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foreach ($this->resultOffsets as $key => $offset) {
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foreach ($match[ $offset ] as $m) {
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if (!empty($m)) {
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$this->matchResults[ $key ][ strtolower($m) ] = true;
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}
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}
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}
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}
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/**
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* Find matches in template source
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*
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* @param \Smarty_Internal_TemplateCompilerBase $compiler
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*/
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public function matchTemplateSource(Smarty_Internal_TemplateCompilerBase $compiler)
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{
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$this->matchProperty($compiler->parser->lex->data);
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}
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/**
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* Find matches in all parent template source
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*
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* @param \Smarty_Internal_TemplateCompilerBase $compiler
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*
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* @throws \SmartyException
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*/
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public function matchParentTemplateSource(Smarty_Internal_TemplateCompilerBase $compiler)
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{
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// search parent compiler template source
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$nextCompiler = $compiler;
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while ($nextCompiler !== $nextCompiler->parent_compiler) {
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$nextCompiler = $nextCompiler->parent_compiler;
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if ($compiler !== $nextCompiler) {
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// get template source
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$_content = $nextCompiler->template->source->getContent();
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if ($_content !== '') {
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// run pre filter if required
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if ((isset($nextCompiler->smarty->autoload_filters[ 'pre' ]) ||
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isset($nextCompiler->smarty->registered_filters[ 'pre' ]))
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) {
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$_content = $nextCompiler->smarty->ext->_filterHandler->runFilter(
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'pre',
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$_content,
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$nextCompiler->template
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);
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}
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$this->matchProperty($_content);
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}
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}
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}
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}
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/**
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* Find matches in {block} tag source
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*
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* @param \Smarty_Internal_TemplateCompilerBase $compiler
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*/
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public function matchBlockSource(Smarty_Internal_TemplateCompilerBase $compiler)
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{
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}
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/**
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* Compiles code for the {$smarty.foreach.xxx} or {$smarty.section.xxx}tag
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*
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* @param array $args array with attributes from parser
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* @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
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* @param array $parameter array with compilation parameter
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*
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* @return string compiled code
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* @throws \SmartyCompilerException
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*/
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public function compileSpecialVariable($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
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{
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$tag = strtolower(trim($parameter[ 0 ], '"\''));
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$name = isset($parameter[ 1 ]) ? $compiler->getId($parameter[ 1 ]) : false;
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if (!$name) {
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$compiler->trigger_template_error("missing or illegal \$smarty.{$tag} name attribute", null, true);
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}
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$property = isset($parameter[ 2 ]) ? strtolower($compiler->getId($parameter[ 2 ])) : false;
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if (!$property || !in_array($property, $this->nameProperties)) {
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$compiler->trigger_template_error("missing or illegal \$smarty.{$tag} property attribute", null, true);
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}
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$tagVar = "'__smarty_{$tag}_{$name}'";
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return "(isset(\$_smarty_tpl->tpl_vars[{$tagVar}]->value['{$property}']) ? \$_smarty_tpl->tpl_vars[{$tagVar}]->value['{$property}'] : null)";
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}
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}
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