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//Массив в текст в формате CSV
 function array_to_CSV($array){   
        $csv_arr = array(); 
        foreach ($array as $value)   {   
            if(is_array($value))     
            foreach ($value as $item){
             $csv_string .=$item.';' ;    
            }        
         $csv_string.="\n";
        }   
        return $csv_string;   
        }  
    // Текст формата CSV в массив
 function CSVTextToArray($csv_lines = ''){       
        if(is_array($csv_lines)){
        $cnt = count($csv_lines);
        for($i = 0; $i < $cnt; $i++){
          $line = $csv_lines[$i];
          $line = trim($line);      
          $first_char = true;
          $col_num = 0;
          $length = strlen($line);
          for($b = 0; $b < $length; $b++){   
            if($skip_char != true)
            {
              $process = true;
              //      
              if($first_char == true)
              {
                if($line[$b] == '"')
                {
                  $terminator = '";';
                  $process = false;
                }
                else
                  $terminator = ';';
                $first_char = false;
              }
    
              //  ,   
              if($line[$b] == '"'){
                $next_char = $line[$b + 1];
                // 
                if($next_char == '"')
                  $skip_char = true;
                //  
                elseif($next_char == ';')
                {
                  if($terminator == '";')
                  {
                    $first_char = true;
                    $process = false;
                    $skip_char = true;
                  }
                }
              }    
              if($process == true){
                if($line[$b] == ';')
                {
                   if($terminator == ';')
                   {
    
                      $first_char = true;
                      $process = false;
                   }
                }
              }
    
              if($process == true)
                $column .= $line[$b];
    
              if($b == ($length - 1))
              {
                $first_char = true;
              }
    
              if($first_char == true)
              {
    
                $values[$i][$col_num] = $column;
                $column = '';
                $col_num++;
              }
            }
            else
              $skip_char = false;
          }
        }
      }
    
      return $values; 
    } 
    
    
}