3 * Smarty Internal Plugin Compile Assign
4 * Compiles the {assign} tag
12 * Smarty Internal Plugin Compile Assign Class
15 * @subpackage Compiler
17 class Smarty_Internal_Compile_Assign extends Smarty_Internal_CompileBase
20 * Compiles code for the {assign} tag
22 * @param array $args array with attributes from parser
23 * @param object $compiler compiler object
24 * @param array $parameter array with compilation parameter
26 * @return string compiled code
28 public function compile($args, $compiler, $parameter)
30 // the following must be assigned at runtime because it will be overwritten in Smarty_Internal_Compile_Append
31 $this->required_attributes = array('var', 'value');
32 $this->shorttag_order = array('var', 'value');
33 $this->optional_attributes = array('scope');
35 $_scope = Smarty::SCOPE_LOCAL;
36 // check and get attributes
37 $_attr = $this->getAttributes($compiler, $args);
39 if ($compiler->tag_nocache || $compiler->nocache) {
41 // create nocache var to make it know for further compiling
42 if (isset($compiler->template->tpl_vars[trim($_attr['var'], "'")])) {
43 $compiler->template->tpl_vars[trim($_attr['var'], "'")]->nocache = true;
45 $compiler->template->tpl_vars[trim($_attr['var'], "'")] = new Smarty_variable(null, true);
49 if (isset($_attr['scope'])) {
50 $_attr['scope'] = trim($_attr['scope'], "'\"");
51 if ($_attr['scope'] == 'parent') {
52 $_scope = Smarty::SCOPE_PARENT;
53 } elseif ($_attr['scope'] == 'root') {
54 $_scope = Smarty::SCOPE_ROOT;
55 } elseif ($_attr['scope'] == 'global') {
56 $_scope = Smarty::SCOPE_GLOBAL;
58 $compiler->trigger_template_error('illegal value for "scope" attribute', $compiler->lex->taglineno);
62 if (isset($parameter['smarty_internal_index'])) {
63 $output = "<?php \$_smarty_tpl->createLocalArrayVariable($_attr[var], $_nocache, $_scope);\n\$_smarty_tpl->tpl_vars[$_attr[var]]->value$parameter[smarty_internal_index] = $_attr[value];";
65 // implement Smarty2's behaviour of variables assigned by reference
66 if ($compiler->template->smarty instanceof SmartyBC) {
67 $output = "<?php if (isset(\$_smarty_tpl->tpl_vars[$_attr[var]])) {\$_smarty_tpl->tpl_vars[$_attr[var]] = clone \$_smarty_tpl->tpl_vars[$_attr[var]];";
68 $output .= "\n\$_smarty_tpl->tpl_vars[$_attr[var]]->value = $_attr[value]; \$_smarty_tpl->tpl_vars[$_attr[var]]->nocache = $_nocache; \$_smarty_tpl->tpl_vars[$_attr[var]]->scope = $_scope;";
69 $output .= "\n} else \$_smarty_tpl->tpl_vars[$_attr[var]] = new Smarty_variable($_attr[value], $_nocache, $_scope);";
71 $output = "<?php \$_smarty_tpl->tpl_vars[$_attr[var]] = new Smarty_variable($_attr[value], $_nocache, $_scope);";
74 if ($_scope == Smarty::SCOPE_PARENT) {
75 $output .= "\nif (\$_smarty_tpl->parent != null) \$_smarty_tpl->parent->tpl_vars[$_attr[var]] = clone \$_smarty_tpl->tpl_vars[$_attr[var]];";
76 } elseif ($_scope == Smarty::SCOPE_ROOT || $_scope == Smarty::SCOPE_GLOBAL) {
77 $output .= "\n\$_ptr = \$_smarty_tpl->parent; while (\$_ptr != null) {\$_ptr->tpl_vars[$_attr[var]] = clone \$_smarty_tpl->tpl_vars[$_attr[var]]; \$_ptr = \$_ptr->parent; }";
79 if ($_scope == Smarty::SCOPE_GLOBAL) {
80 $output .= "\nSmarty::\$global_tpl_vars[$_attr[var]] = clone \$_smarty_tpl->tpl_vars[$_attr[var]];";