mirror of
https://github.com/smarty-php/smarty.git
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237 lines
9.7 KiB
PHP
237 lines
9.7 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 $compiler compiler object
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*
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* @return bool true
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* @throws \SmartyCompilerException
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*/
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public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler)
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{
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// check and get attributes
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$_attr = $this->getAttributes($compiler, $args);
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if ($_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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if (!preg_match('/^[a-zA-Z0-9_\x80-\xff]+$/', $_name)) {
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$compiler->trigger_template_error("Function name contains invalid characters: {$_name}", null, true);
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}
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$compiler->parent_compiler->tpl_function[ $_name ] = array();
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$save = array(
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$_attr, $compiler->parser->current_buffer, $compiler->template->compiled->has_nocache_code,
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$compiler->template->caching
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);
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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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$compiler->template->compiled->has_nocache_code = false;
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$compiler->saveRequiredPlugins(true);
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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 $compiler compiler object
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*
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* @return bool true
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*/
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public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler)
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{
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$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->tpl_function[ $_name ][ 'compiled_filepath' ] =
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$compiler->parent_compiler->template->compiled->filepath;
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$compiler->parent_compiler->tpl_function[ $_name ][ 'uid' ] = $compiler->template->source->uid;
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$_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->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_Internal_Template \$_smarty_tpl,\$params) {\n";
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$output .= "ob_start();\n";
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$output .= $compiler->compileRequiredPlugins();
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$output .= "\$_smarty_tpl->compiled->has_nocache_code = true;\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, \$_smarty_tpl->isRenderingCache);\n}\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 .= "\\\$_smarty_tpl->smarty->ext->_tplFunction->saveTemplateVariables(\\\$_smarty_tpl, '{$_name}');\nforeach (\$params as \\\$key => \\\$value) {\n\\\$_smarty_tpl->tpl_vars[\\\$key] = new Smarty_Variable(\\\$value, \\\$_smarty_tpl->isRenderingCache);\n}\n?>";
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$output .= "/*/%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/\";?>";
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$compiler->parser->current_buffer->append_subtree(
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$compiler->parser,
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new Smarty_Internal_ParseTree_Tag(
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$compiler->parser,
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$output
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)
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);
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$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 .= "\\\$_smarty_tpl->smarty->ext->_tplFunction->restoreTemplateVariables(\\\$_smarty_tpl, '{$_name}');?>\n";
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$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 .= "}\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(
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$compiler->parser,
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new Smarty_Internal_ParseTree_Tag(
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$compiler->parser,
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$output
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)
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);
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$_functionCode = new Smarty_Internal_ParseTree_Tag(
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$compiler->parser,
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preg_replace_callback(
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"/((<\?php )?echo '\/\*%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%\*\/([\S\s]*?)\/\*\/%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%\*\/';(\?>\n)?)/",
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array($this, 'removeNocache'),
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$_functionCode->to_smarty_php($compiler->parser)
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)
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);
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}
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$compiler->parent_compiler->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_Internal_Template \$_smarty_tpl,\$params) {\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, \$_smarty_tpl->isRenderingCache);\n}\n";
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$output .= $compiler->compileCheckPlugins(array_merge($compiler->required_plugins[ 'compiled' ],
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$compiler->required_plugins[ 'nocache' ]));
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$output .= "?>\n";
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$compiler->parser->current_buffer->append_subtree(
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$compiler->parser,
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new Smarty_Internal_ParseTree_Tag(
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$compiler->parser,
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$output
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)
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);
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$compiler->parser->current_buffer->append_subtree($compiler->parser, $_functionCode);
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$output = "<?php\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(
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$compiler->parser,
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new Smarty_Internal_ParseTree_Tag(
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$compiler->parser,
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$output
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)
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);
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$compiler->parent_compiler->blockOrFunctionCode .= $compiler->parser->current_buffer->to_smarty_php($compiler->parser);
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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->restoreRequiredPlugins();
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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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* Remove nocache code
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*
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* @param $match
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*
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* @return string
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*/
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public function removeNocache($match)
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{
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$code =
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preg_replace(
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"/((<\?php )?echo '\/\*%%SmartyNocache:{$this->compiler->template->compiled->nocache_hash}%%\*\/)|(\/\*\/%%SmartyNocache:{$this->compiler->template->compiled->nocache_hash}%%\*\/';(\?>\n)?)/",
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'',
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$match[ 0 ]
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);
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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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