mirror of
https://github.com/smarty-php/smarty.git
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211 lines
10 KiB
PHP
211 lines
10 KiB
PHP
<?php
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/**
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* Smarty Internal Plugin Compile Function
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* Compiles the {function} {/function} 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 Function 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_Function 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('name');
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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('name');
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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('_any');
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/**
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* Compiles code for the {function} 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 $parameter array with compilation parameter
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*
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* @return bool true
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* @throws \SmartyCompilerException
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*/
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public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
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{
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$compiler->loopNesting++;
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// check and get attributes
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$_attr = $this->getAttributes($compiler, $args);
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if ($_attr['nocache'] === true) {
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$compiler->trigger_template_error('nocache option not allowed', null, true);
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}
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unset($_attr['nocache']);
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$_name = trim($_attr['name'], "'\"");
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$compiler->parent_compiler->template->tpl_function[$_name] = array();
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$save = array($_attr, $compiler->parser->current_buffer, $compiler->template->compiled->has_nocache_code,
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$compiler->template->caching);
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$this->openTag($compiler, 'function', $save);
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// Init temporary context
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$compiler->parser->current_buffer = new Smarty_Internal_ParseTree_Template();
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$compiler->template->compiled->has_nocache_code = false;
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return true;
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}
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}
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/**
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* Smarty Internal Plugin Compile Functionclose 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_Functionclose extends Smarty_Internal_CompileBase
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{
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/**
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* Compiler object
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*
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* @var object
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*/
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private $compiler = null;
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/**
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* Compiles code for the {/function} tag
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*
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* @param array $args array with attributes from parser
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* @param object|\Smarty_Internal_TemplateCompilerBase $compiler compiler object
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* @param array $parameter array with compilation parameter
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*
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* @return bool true
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*/
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public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
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{
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$compiler->loopNesting--;
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$this->compiler = $compiler;
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$saved_data = $this->closeTag($compiler, array('function'));
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$_attr = $saved_data[0];
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$_name = trim($_attr['name'], "'\"");
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$compiler->parent_compiler->template->tpl_function[$_name]['called_functions'] = $compiler->called_functions;
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$compiler->parent_compiler->template->tpl_function[$_name]['compiled_filepath'] = $compiler->parent_compiler->template->compiled->filepath;
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$compiler->parent_compiler->template->tpl_function[$_name]['uid'] = $compiler->template->source->uid;
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$compiler->called_functions = array();
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$_parameter = $_attr;
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unset($_parameter['name']);
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// default parameter
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$_paramsArray = array();
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foreach ($_parameter as $_key => $_value) {
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if (is_int($_key)) {
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$_paramsArray[] = "$_key=>$_value";
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} else {
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$_paramsArray[] = "'$_key'=>$_value";
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}
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}
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if (!empty($_paramsArray)) {
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$_params = 'array(' . implode(",", $_paramsArray) . ')';
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$_paramsCode = "\$params = array_merge($_params, \$params);\n";
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} else {
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$_paramsCode = '';
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}
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$_functionCode = $compiler->parser->current_buffer;
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// setup buffer for template function code
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$compiler->parser->current_buffer = new Smarty_Internal_ParseTree_Template();
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$_funcName = "smarty_template_function_{$_name}_{$compiler->template->compiled->nocache_hash}";
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$_funcNameCaching = $_funcName . '_nocache';
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if ($compiler->template->compiled->has_nocache_code) {
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$compiler->parent_compiler->template->tpl_function[$_name]['call_name_caching'] = $_funcNameCaching;
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$output = "<?php\n";
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$output .= "/* {$_funcNameCaching} */\n";
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$output .= "if (!function_exists('{$_funcNameCaching}')) {\n";
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$output .= "function {$_funcNameCaching} (\$_smarty_tpl,\$params) {\n";
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$output .= "ob_start();\n";
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$output .= "\$_smarty_tpl->compiled->has_nocache_code = true;\n";
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$output .= $_paramsCode;
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$output .= "\$_smarty_tpl->_cache['saved_tpl_vars'][] = \$_smarty_tpl->tpl_vars;\n";
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$output .= "foreach (\$params as \$key => \$value) {\n\$_smarty_tpl->tpl_vars[\$key] = new Smarty_Variable(\$value);\n}";
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$output .= "\$params = var_export(\$params, true);\n";
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$output .= "echo \"/*%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/<?php ";
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$output .= "\\\$saved_tpl_vars = \\\$_smarty_tpl->tpl_vars;\nforeach (\$params as \\\$key => \\\$value) {\n\\\$_smarty_tpl->tpl_vars[\\\$key] = new Smarty_Variable(\\\$value);\n}\n?>";
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$output .= "/*/%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/\n\";?>";
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$compiler->parser->current_buffer->append_subtree($compiler->parser, new Smarty_Internal_ParseTree_Tag($compiler->parser, $output));
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$compiler->parser->current_buffer->append_subtree($compiler->parser, $_functionCode);
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$output = "<?php echo \"/*%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/<?php ";
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$output .= "foreach (Smarty::\\\$global_tpl_vars as \\\$key => \\\$value){\n";
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$output .= "if (\\\$_smarty_tpl->tpl_vars[\\\$key] === \\\$value) \\\$saved_tpl_vars[\\\$key] = \\\$value;\n}\n";
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$output .= "\\\$_smarty_tpl->tpl_vars = \\\$saved_tpl_vars;?>\n";
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$output .= "/*/%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/\";\n?>";
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$output .= "<?php echo str_replace('{$compiler->template->compiled->nocache_hash}', \$_smarty_tpl->compiled->nocache_hash, ob_get_clean());\n";
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$output .= "\$_smarty_tpl->tpl_vars = array_pop(\$_smarty_tpl->_cache['saved_tpl_vars']);\n}\n}\n";
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$output .= "/*/ {$_funcName}_nocache */\n\n";
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$output .= "?>\n";
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$compiler->parser->current_buffer->append_subtree($compiler->parser, new Smarty_Internal_ParseTree_Tag($compiler->parser, $output));
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$_functionCode = new Smarty_Internal_ParseTree_Tag($compiler->parser, preg_replace_callback("/((<\?php )?echo '\/\*%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%\*\/([\S\s]*?)\/\*\/%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%\*\/';(\?>\n)?)/", array($this,
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'removeNocache'), $_functionCode->to_smarty_php($compiler->parser)));
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}
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$compiler->parent_compiler->template->tpl_function[$_name]['call_name'] = $_funcName;
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$output = "<?php\n";
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$output .= "/* {$_funcName} */\n";
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$output .= "if (!function_exists('{$_funcName}')) {\n";
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$output .= "function {$_funcName}(\$_smarty_tpl,\$params) {\n";
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$output .= "\$saved_tpl_vars = \$_smarty_tpl->tpl_vars;\n";
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$output .= $_paramsCode;
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$output .= "foreach (\$params as \$key => \$value) {\n\$_smarty_tpl->tpl_vars[\$key] = new Smarty_Variable(\$value);\n}?>";
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$compiler->parser->current_buffer->append_subtree($compiler->parser, new Smarty_Internal_ParseTree_Tag($compiler->parser, $output));
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$compiler->parser->current_buffer->append_subtree($compiler->parser, $_functionCode);
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$output = "<?php foreach (Smarty::\$global_tpl_vars as \$key => \$value){\n";
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$output .= "if (\$_smarty_tpl->tpl_vars[\$key] === \$value) \$saved_tpl_vars[\$key] = \$value;\n}\n";
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$output .= "\$_smarty_tpl->tpl_vars = \$saved_tpl_vars;\n}\n}\n";
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$output .= "/*/ {$_funcName} */\n\n";
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$output .= "?>\n";
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$compiler->parser->current_buffer->append_subtree($compiler->parser, new Smarty_Internal_ParseTree_Tag($compiler->parser, $output));
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$compiler->parent_compiler->blockOrFunctionCode .= $compiler->parser->current_buffer->to_smarty_php($compiler->parser);
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// nocache plugins must be copied
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if (!empty($compiler->template->compiled->required_plugins['nocache'])) {
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foreach ($compiler->template->compiled->required_plugins['nocache'] as $plugin => $tmp) {
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foreach ($tmp as $type => $data) {
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$compiler->parent_compiler->template->compiled->required_plugins['compiled'][$plugin][$type] = $data;
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}
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}
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}
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// restore old buffer
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$compiler->parser->current_buffer = $saved_data[1];
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// restore old status
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$compiler->template->compiled->has_nocache_code = $saved_data[2];
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$compiler->template->caching = $saved_data[3];
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return true;
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}
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/**
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* @param $match
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*
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* @return mixed
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*/
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function removeNocache($match)
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{
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$code = preg_replace("/((<\?php )?echo '\/\*%%SmartyNocache:{$this->compiler->template->compiled->nocache_hash}%%\*\/)|(\/\*\/%%SmartyNocache:{$this->compiler->template->compiled->nocache_hash}%%\*\/';(\?>\n)?)/", '', $match[0]);
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$code = str_replace(array('\\\'', '\\\\\''), array('\'', '\\\''), $code);
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return $code;
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}
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}
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