<?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 { /** * Compiles code for the {assign} tag * * @param array $args array with attributes from parser * @param object $compiler compiler object * @param array $parameter array with compilation parameter * * @return string compiled code */ public function compile($args, $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'); $_nocache = 'null'; $_scope = Smarty::SCOPE_LOCAL; // check and get attributes $_attr = $this->getAttributes($compiler, $args); // nocache ? if ($compiler->tag_nocache || $compiler->nocache) { $_nocache = 'true'; // create nocache var to make it know for further compiling if (isset($compiler->template->tpl_vars[trim($_attr['var'], "'")])) { $compiler->template->tpl_vars[trim($_attr['var'], "'")]->nocache = true; } else { $compiler->template->tpl_vars[trim($_attr['var'], "'")] = new Smarty_variable(null, true); } } // scope setup if (isset($_attr['scope'])) { $_attr['scope'] = trim($_attr['scope'], "'\""); if ($_attr['scope'] == 'parent') { $_scope = Smarty::SCOPE_PARENT; } elseif ($_attr['scope'] == 'root') { $_scope = Smarty::SCOPE_ROOT; } elseif ($_attr['scope'] == 'global') { $_scope = Smarty::SCOPE_GLOBAL; } else { $compiler->trigger_template_error('illegal value for "scope" attribute', $compiler->lex->taglineno); } } // compiled output if (isset($parameter['smarty_internal_index'])) { $output = "<?php \$_smarty_tpl->createLocalArrayVariable($_attr[var], $_nocache, $_scope);\n\$_smarty_tpl->tpl_vars[$_attr[var]]->value$parameter[smarty_internal_index] = $_attr[value];"; } else { // implement Smarty2's behaviour of variables assigned by reference if ($compiler->template->smarty instanceof SmartyBC) { $output = "<?php if (isset(\$_smarty_tpl->tpl_vars[$_attr[var]])) {\$_smarty_tpl->tpl_vars[$_attr[var]] = clone \$_smarty_tpl->tpl_vars[$_attr[var]];"; $output .= "\n\$_smarty_tpl->tpl_vars[$_attr[var]]->value = $_attr[value]; \$_smarty_tpl->tpl_vars[$_attr[var]]->nocache = $_nocache; \$_smarty_tpl->tpl_vars[$_attr[var]]->scope = $_scope;"; $output .= "\n} else \$_smarty_tpl->tpl_vars[$_attr[var]] = new Smarty_variable($_attr[value], $_nocache, $_scope);"; } else { $output = "<?php \$_smarty_tpl->tpl_vars[$_attr[var]] = new Smarty_variable($_attr[value], $_nocache, $_scope);"; } } if ($_scope == Smarty::SCOPE_PARENT) { $output .= "\nif (\$_smarty_tpl->parent != null) \$_smarty_tpl->parent->tpl_vars[$_attr[var]] = clone \$_smarty_tpl->tpl_vars[$_attr[var]];"; } elseif ($_scope == Smarty::SCOPE_ROOT || $_scope == Smarty::SCOPE_GLOBAL) { $output .= "\n\$_ptr = \$_smarty_tpl->parent; while (\$_ptr != null) {\$_ptr->tpl_vars[$_attr[var]] = clone \$_smarty_tpl->tpl_vars[$_attr[var]]; \$_ptr = \$_ptr->parent; }"; } if ($_scope == Smarty::SCOPE_GLOBAL) { $output .= "\nSmarty::\$global_tpl_vars[$_attr[var]] = clone \$_smarty_tpl->tpl_vars[$_attr[var]];"; } $output .= '?>'; return $output; } }