475 lines
15 KiB
PHP
475 lines
15 KiB
PHP
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<?php
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/**
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* Smarty Internal Plugin Data
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*
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* This file contains the basic classes and methodes for template and variable creation
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*
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* @package Smarty
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* @subpackage Templates
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* @author Uwe Tews
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*/
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/**
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* Base class with template and variable methodes
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*/
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class Smarty_Internal_Data {
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// class used for templates
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public $template_class = 'Smarty_Internal_Template';
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/**
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* assigns a Smarty variable
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*
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* @param array $ |string $tpl_var the template variable name(s)
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* @param mixed $value the value to assign
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* @param boolean $nocache if true any output of this variable will be not cached
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* @param boolean $scope the scope the variable will have (local,parent or root)
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*/
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public function assign($tpl_var, $value = null, $nocache = false)
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{
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if (is_array($tpl_var)) {
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foreach ($tpl_var as $_key => $_val) {
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if ($_key != '') {
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$this->tpl_vars[$_key] = new Smarty_variable($_val, $nocache);
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}
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}
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} else {
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if ($tpl_var != '') {
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$this->tpl_vars[$tpl_var] = new Smarty_variable($value, $nocache);
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}
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}
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}
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/**
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* assigns a global Smarty variable
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*
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* @param string $varname the global variable name
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* @param mixed $value the value to assign
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* @param boolean $nocache if true any output of this variable will be not cached
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*/
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public function assignGlobal($varname, $value = null, $nocache = false)
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{
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if ($varname != '') {
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Smarty::$global_tpl_vars[$varname] = new Smarty_variable($value, $nocache);
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}
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}
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/**
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* assigns values to template variables by reference
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*
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* @param string $tpl_var the template variable name
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* @param mixed $ &$value the referenced value to assign
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* @param boolean $nocache if true any output of this variable will be not cached
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*/
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public function assignByRef($tpl_var, &$value, $nocache = false)
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{
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if ($tpl_var != '') {
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$this->tpl_vars[$tpl_var] = new Smarty_variable(null, $nocache);
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$this->tpl_vars[$tpl_var]->value = &$value;
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}
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}
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/**
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* wrapper function for Smarty 2 BC
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*
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* @param string $tpl_var the template variable name
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* @param mixed $ &$value the referenced value to assign
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*/
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public function assign_by_ref($tpl_var, &$value)
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{
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if($this->smarty->deprecation_notices)
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trigger_error("function call 'assign_by_ref' is unknown or deprecated, use 'assignByRef'", E_USER_NOTICE);
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$this->assignByRef($tpl_var, $value);
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}
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/**
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* appends values to template variables
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*
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* @param array $ |string $tpl_var the template variable name(s)
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* @param mixed $value the value to append
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* @param boolean $merge flag if array elements shall be merged
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* @param boolean $nocache if true any output of this variable will be not cached
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*/
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public function append($tpl_var, $value = null, $merge = false, $nocache = false)
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{
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if (is_array($tpl_var)) {
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// $tpl_var is an array, ignore $value
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foreach ($tpl_var as $_key => $_val) {
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if ($_key != '') {
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if (!isset($this->tpl_vars[$_key])) {
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$tpl_var_inst = $this->getVariable($_key, null, true, false);
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if ($tpl_var_inst instanceof Undefined_Smarty_Variable) {
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$this->tpl_vars[$_key] = new Smarty_variable(null, $nocache);
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} else {
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$this->tpl_vars[$_key] = clone $tpl_var_inst;
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}
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}
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if (!(is_array($this->tpl_vars[$_key]->value) || $this->tpl_vars[$_key]->value instanceof ArrayAccess)) {
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settype($this->tpl_vars[$_key]->value, 'array');
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}
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if ($merge && is_array($_val)) {
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foreach($_val as $_mkey => $_mval) {
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$this->tpl_vars[$_key]->value[$_mkey] = $_mval;
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}
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} else {
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$this->tpl_vars[$_key]->value[] = $_val;
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}
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}
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}
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} else {
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if ($tpl_var != '' && isset($value)) {
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if (!isset($this->tpl_vars[$tpl_var])) {
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$tpl_var_inst = $this->getVariable($tpl_var, null, true, false);
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if ($tpl_var_inst instanceof Undefined_Smarty_Variable) {
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$this->tpl_vars[$tpl_var] = new Smarty_variable(null, $nocache);
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} else {
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$this->tpl_vars[$tpl_var] = clone $tpl_var_inst;
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}
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}
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if (!(is_array($this->tpl_vars[$tpl_var]->value) || $this->tpl_vars[$tpl_var]->value instanceof ArrayAccess)) {
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settype($this->tpl_vars[$tpl_var]->value, 'array');
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}
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if ($merge && is_array($value)) {
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foreach($value as $_mkey => $_mval) {
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$this->tpl_vars[$tpl_var]->value[$_mkey] = $_mval;
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}
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} else {
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$this->tpl_vars[$tpl_var]->value[] = $value;
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}
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}
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}
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}
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/**
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* appends values to template variables by reference
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*
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* @param string $tpl_var the template variable name
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* @param mixed $ &$value the referenced value to append
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* @param boolean $merge flag if array elements shall be merged
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*/
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public function appendByRef($tpl_var, &$value, $merge = false)
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{
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if ($tpl_var != '' && isset($value)) {
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if (!isset($this->tpl_vars[$tpl_var])) {
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$this->tpl_vars[$tpl_var] = new Smarty_variable();
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}
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if (!@is_array($this->tpl_vars[$tpl_var]->value)) {
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settype($this->tpl_vars[$tpl_var]->value, 'array');
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}
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if ($merge && is_array($value)) {
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foreach($value as $_key => $_val) {
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$this->tpl_vars[$tpl_var]->value[$_key] = &$value[$_key];
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}
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} else {
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$this->tpl_vars[$tpl_var]->value[] = &$value;
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}
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}
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}
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/**
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*
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* @param string $tpl_var the template variable name
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* @param mixed $ &$value the referenced value to append
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* @param boolean $merge flag if array elements shall be merged
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*/
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public function append_by_ref($tpl_var, &$value, $merge = false)
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{
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if($this->smarty->deprecation_notices)
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trigger_error("function call 'append_by_ref' is unknown or deprecated, use 'appendByRef'", E_USER_NOTICE);
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$this->appendByRef($tpl_var, $value, $merge);
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}
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/**
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* Returns a single or all template variables
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*
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* @param string $varname variable name or null
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* @return string variable value or or array of variables
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*/
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function getTemplateVars($varname = null, $_ptr = null, $search_parents = true)
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{
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if (isset($varname)) {
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$_var = $this->getVariable($varname, $_ptr, $search_parents, false);
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if (is_object($_var)) {
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return $_var->value;
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} else {
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return null;
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}
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} else {
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$_result = array();
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if ($_ptr === null) {
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$_ptr = $this;
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} while ($_ptr !== null) {
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foreach ($_ptr->tpl_vars AS $key => $var) {
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$_result[$key] = $var->value;
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}
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// not found, try at parent
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if ($search_parents) {
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$_ptr = $_ptr->parent;
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} else {
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$_ptr = null;
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}
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}
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if ($search_parents && isset(Smarty::$global_tpl_vars)) {
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foreach (Smarty::$global_tpl_vars AS $key => $var) {
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$_result[$key] = $var->value;
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}
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}
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return $_result;
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}
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}
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/**
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* clear the given assigned template variable.
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*
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* @param string $ |array $tpl_var the template variable(s) to clear
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*/
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public function clearAssign($tpl_var)
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{
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if (is_array($tpl_var)) {
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foreach ($tpl_var as $curr_var) {
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unset($this->tpl_vars[$curr_var]);
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}
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} else {
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unset($this->tpl_vars[$tpl_var]);
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}
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}
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/**
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* clear all the assigned template variables.
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*/
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public function clearAllAssign()
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{
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$this->tpl_vars = array();
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}
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/**
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* load a config file, optionally load just selected sections
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*
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* @param string $config_file filename
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* @param mixed $sections array of section names, single section or null
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*/
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public function configLoad($config_file, $sections = null)
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{
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// load Config class
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$config = new Smarty_Internal_Config($config_file, $this->smarty, $this);
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$config->loadConfigVars($sections);
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}
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/**
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* gets the object of a Smarty variable
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*
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* @param string $variable the name of the Smarty variable
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* @param object $_ptr optional pointer to data object
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* @param boolean $search_parents search also in parent data
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* @return object the object of the variable
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*/
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public function getVariable($_variable, $_ptr = null, $search_parents = true, $error_enable = true)
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{
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if ($_ptr === null) {
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$_ptr = $this;
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} while ($_ptr !== null) {
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if (isset($_ptr->tpl_vars[$_variable])) {
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// found it, return it
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return $_ptr->tpl_vars[$_variable];
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}
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// not found, try at parent
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if ($search_parents) {
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$_ptr = $_ptr->parent;
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} else {
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$_ptr = null;
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}
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}
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if (isset(Smarty::$global_tpl_vars[$_variable])) {
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// found it, return it
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return Smarty::$global_tpl_vars[$_variable];
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}
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if ($this->smarty->error_unassigned && $error_enable) {
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throw new SmartyException('Undefined Smarty variable "' . $_variable . '"');
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} else {
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if ($error_enable) {
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// force a notice
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$x = $$_variable;
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}
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return new Undefined_Smarty_Variable;
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}
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}
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/**
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* gets a config variable
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*
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* @param string $variable the name of the config variable
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* @return mixed the value of the config variable
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*/
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public function getConfigVariable($_variable)
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{
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$_ptr = $this;
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while ($_ptr !== null) {
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if (isset($_ptr->config_vars[$_variable])) {
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// found it, return it
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return $_ptr->config_vars[$_variable];
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}
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// not found, try at parent
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$_ptr = $_ptr->parent;
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}
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if ($this->smarty->error_unassigned) {
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throw new SmartyException('Undefined config variable "' . $_variable . '"');
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} else {
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// force a notice
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$x = $$_variable;
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return null;
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}
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}
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/**
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* gets a stream variable
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*
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* @param string $variable the stream of the variable
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* @return mixed the value of the stream variable
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*/
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public function getStreamVariable($variable)
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{
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$_result = '';
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if ($fp = fopen($variable, 'r+')) {
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while (!feof($fp)) {
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$_result .= fgets($fp);
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}
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fclose($fp);
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return $_result;
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}
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if ($this->smarty->error_unassigned) {
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throw new SmartyException('Undefined stream variable "' . $variable . '"');
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} else {
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return null;
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}
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}
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/**
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* Returns a single or all config variables
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*
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* @param string $varname variable name or null
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* @return string variable value or or array of variables
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*/
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function getConfigVars($varname = null, $search_parents = true)
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{
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// var_dump($this);
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$_ptr = $this;
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$var_array = array();
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while ($_ptr !== null) {
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if (isset($varname)) {
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if (isset($_ptr->config_vars[$varname])) {
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return $_ptr->config_vars[$varname];
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}
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} else {
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$var_array = array_merge($_ptr->config_vars, $var_array);
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}
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// not found, try at parent
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if ($search_parents) {
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$_ptr = $_ptr->parent;
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} else {
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$_ptr = null;
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}
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}
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if (isset($varname)) {
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return '';
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} else {
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return $var_array;
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}
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}
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/**
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* Deassigns a single or all config variables
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*
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* @param string $varname variable name or null
|
||
|
|
*/
|
||
|
|
function clearConfig($varname = null)
|
||
|
|
{
|
||
|
|
if (isset($varname)) {
|
||
|
|
unset($this->config_vars[$varname]);
|
||
|
|
return;
|
||
|
|
} else {
|
||
|
|
$this->config_vars = array();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* class for the Smarty data object
|
||
|
|
*
|
||
|
|
* The Smarty data object will hold Smarty variables in the current scope
|
||
|
|
*
|
||
|
|
* @param object $parent tpl_vars next higher level of Smarty variables
|
||
|
|
*/
|
||
|
|
class Smarty_Data extends Smarty_Internal_Data {
|
||
|
|
// array of variable objects
|
||
|
|
public $tpl_vars = array();
|
||
|
|
// back pointer to parent object
|
||
|
|
public $parent = null;
|
||
|
|
// config vars
|
||
|
|
public $config_vars = array();
|
||
|
|
// Smarty object
|
||
|
|
public $smarty = null;
|
||
|
|
/**
|
||
|
|
* create Smarty data object
|
||
|
|
*/
|
||
|
|
public function __construct ($_parent = null, $smarty = null)
|
||
|
|
{
|
||
|
|
$this->smarty = $smarty;
|
||
|
|
if (is_object($_parent)) {
|
||
|
|
// when object set up back pointer
|
||
|
|
$this->parent = $_parent;
|
||
|
|
} elseif (is_array($_parent)) {
|
||
|
|
// set up variable values
|
||
|
|
foreach ($_parent as $_key => $_val) {
|
||
|
|
$this->tpl_vars[$_key] = new Smarty_variable($_val);
|
||
|
|
}
|
||
|
|
} elseif ($_parent != null) {
|
||
|
|
throw new SmartyException("Wrong type for template variables");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* class for the Smarty variable object
|
||
|
|
*
|
||
|
|
* This class defines the Smarty variable object
|
||
|
|
*/
|
||
|
|
class Smarty_Variable {
|
||
|
|
// template variable
|
||
|
|
public $value;
|
||
|
|
public $nocache;
|
||
|
|
public $scope;
|
||
|
|
/**
|
||
|
|
* create Smarty variable object
|
||
|
|
*
|
||
|
|
* @param mixed $value the value to assign
|
||
|
|
* @param boolean $nocache if true any output of this variable will be not cached
|
||
|
|
* @param boolean $scope the scope the variable will have (local,parent or root)
|
||
|
|
*/
|
||
|
|
public function __construct ($value = null, $nocache = false, $scope = Smarty::SCOPE_LOCAL)
|
||
|
|
{
|
||
|
|
$this->value = $value;
|
||
|
|
$this->nocache = $nocache;
|
||
|
|
$this->scope = $scope;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function __toString ()
|
||
|
|
{
|
||
|
|
return $this->value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* class for undefined variable object
|
||
|
|
*
|
||
|
|
* This class defines an object for undefined variable handling
|
||
|
|
*/
|
||
|
|
class Undefined_Smarty_Variable {
|
||
|
|
// return always false
|
||
|
|
public function __get ($name)
|
||
|
|
{
|
||
|
|
if ($name == 'nocache') {
|
||
|
|
return false;
|
||
|
|
} else {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|