<?php
class PregReplaceCallbackClass {

private $DefaultPattern = '/(<<)(\w+)(>>)/im';
public $Pattern = '';
public $FormatName = '';
public $TemplateArrayName = '';
public $FuncName = '';

public function __construct ($Pattern='') {
      if (empty($Pattern)){
           $this->Pattern = $this->DefaultPattern;
      }
}

public function SetCallBackProcedureName ($FunctionName) {
      $this->FuncName = $FunctionName;
}

public function SetTemplateArray ($TemplateArrayName){
     $this->TemplateArrayName = $TemplateArrayName;

return true;
}

public function SetFormatName($FormatName) {
     $this->FormatName = $FormatName;

}


public function PregReplaceCallback () {
    //assigning template array from session var
    $my_template_array = $_SESSION[$this->TemplateArrayName];

    if ($this->FuncName != '') {
         $result = preg_replace_callback($this->Pattern,$this->FuncName,$my_template_array[$this->FormatName]);
    } else {
         $result = preg_replace_callback($this->Pattern,create_function('$matches',
         '$my_var_array = $_SESSION[\'ARRAY_ADDR_VAR\'];return $my_var_array[$matches[2]];'),
         $my_template_array[$this->FormatName]);
    }

return $result;
}


}


?>