vendor/smarty/smarty/libs/sysplugins/smarty_internal_method_gettemplatevars.php

   1 <?php
   2
   3 /**
   4  * Smarty Method GetTemplateVars
   5  *
   6  * Smarty::getTemplateVars() method
   7  *
   8  * @package    Smarty
   9  * @subpackage PluginsInternal
  10  * @author     Uwe Tews
  11  */
  12 class Smarty_Internal_Method_GetTemplateVars
  13 {
  14     /**
  15      * Valid for all objects
  16      *
  17      * @var int
  18      */
  19     public $objMap = 7;
  20
  21     /**
  22      * Returns a single or all template variables
  23      *
  24      * @api  Smarty::getTemplateVars()
  25      * @link http://www.smarty.net/docs/en/api.get.template.vars.tpl
  26      *
  27      * @param \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty $data
  28      * @param  string                                                 $varName       variable name or null
  29      * @param \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty $_ptr          optional pointer to data object
  30      * @param  bool                                                   $searchParents include parent templates?
  31      *
  32      * @return mixed variable value or or array of variables
  33      */
  34     public function getTemplateVars(Smarty_Internal_Data $data, $varName = null, Smarty_Internal_Data $_ptr = null,
  35                                     $searchParents = true)
  36     {
  37         if (isset($varName)) {
  38             $_var = $this->_getVariable($data, $varName, $_ptr, $searchParents, false);
  39             if (is_object($_var)) {
  40                 return $_var->value;
  41             } else {
  42                 return null;
  43             }
  44         } else {
  45             $_result = array();
  46             if ($_ptr === null) {
  47                 $_ptr = $data;
  48             }
  49             while ($_ptr !== null) {
  50                 foreach ($_ptr->tpl_vars AS $key => $var) {
  51                     if (!array_key_exists($key, $_result)) {
  52                         $_result[ $key ] = $var->value;
  53                     }
  54                 }
  55                 // not found, try at parent
  56                 if ($searchParents) {
  57                     $_ptr = $_ptr->parent;
  58                 } else {
  59                     $_ptr = null;
  60                 }
  61             }
  62             if ($searchParents && isset(Smarty::$global_tpl_vars)) {
  63                 foreach (Smarty::$global_tpl_vars AS $key => $var) {
  64                     if (!array_key_exists($key, $_result)) {
  65                         $_result[ $key ] = $var->value;
  66                     }
  67                 }
  68             }
  69             return $_result;
  70         }
  71     }
  72
  73     /**
  74      * gets the object of a Smarty variable
  75      *
  76      * @param \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty $data
  77      * @param string                                                  $varName       the name of the Smarty variable
  78      * @param \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty $_ptr          optional pointer to data object
  79      * @param bool                                                    $searchParents search also in parent data
  80      * @param bool                                                    $errorEnable
  81      *
  82      * @return \Smarty_Variable
  83      */
  84     public function _getVariable(Smarty_Internal_Data $data, $varName, Smarty_Internal_Data $_ptr = null,
  85                                  $searchParents = true, $errorEnable = true)
  86     {
  87         if ($_ptr === null) {
  88             $_ptr = $data;
  89         }
  90         while ($_ptr !== null) {
  91             if (isset($_ptr->tpl_vars[ $varName ])) {
  92                 // found it, return it
  93                 return $_ptr->tpl_vars[ $varName ];
  94             }
  95             // not found, try at parent
  96             if ($searchParents) {
  97                 $_ptr = $_ptr->parent;
  98             } else {
  99                 $_ptr = null;
 100             }
 101         }
 102         if (isset(Smarty::$global_tpl_vars[ $varName ])) {
 103             // found it, return it
 104             return Smarty::$global_tpl_vars[ $varName ];
 105         }
 106         /* @var \Smarty $smarty */
 107         $smarty = isset($data->smarty) ? $data->smarty : $data;
 108         if ($smarty->error_unassigned && $errorEnable) {
 109             // force a notice
 110             $x = $$varName;
 111         }
 112
 113         return new Smarty_Undefined_Variable;
 114     }
 115
 116 }