จริงเหรอ ที่มีคนบอก ภาษา PHP ง่ายสุด ( procedural, OOP )

<?php
class mysql_config { 
    
  var $dbconfig = array(  
                          'hostname' => NULL ,  
                          'username' => NULL ,  
                          'password' => NULL ,  
                          'database' => NULL ,  
                          'collation_connection' => NULL ,  
                          'character_set' => NULL 
                                         ); 
                             
    function mysql_config(){       
        $GLOBALS['global_mysql_querydb_timer'] = 0; 
        $GLOBALS['global_mysql_querydb_counter'] = 0;         
    } 
      
    function get_querydb_timer() { 
         
        global $static_query_timer;    
      
        if(isset($static_query_timer)) return $static_query_timer; 
        else return $GLOBALS['global_mysql_querydb_timer']; 
         
    } 
     
    function get_querydb_counter() {         
        global $static_querydb_count;   
       
        if(isset($static_querydb_count)) return $static_querydb_count; 
        else return $GLOBALS['global_mysql_querydb_counter']; 
    } 
     
    function set_querydb_timer($value) {         
        global $static_query_timer;         
 
        if(isset($static_query_timer)) $static_query_timer = $value; 
        else $GLOBALS['global_mysql_querydb_timer'] = $value;         
    } 
 
    function set_querydb_counter($value) {         
        global $static_querydb_count;         
 
        if(isset($static_querydb_count)) $static_querydb_count = $value; 
        else $GLOBALS['global_mysql_querydb_counter'] = $value; 
    }     
    
    function set_hostname($value) { 
   $this->dbconfig['hostname'] = $value; 
  } 
 
  function set_username($value) { 
   $this->dbconfig['username'] = $value; 
  } 
 

  function set_password($value) { 
   $this->dbconfig['password'] = $value; 
  } 
 
  function set_database($value) { 
   $this->dbconfig['database'] = $value; 
  } 
 
  function set_collation_connection($value) { 
   $this->dbconfig['collation_connection'] = $value; 
  } 
 
  function set_character_set($value) { 
   $this->dbconfig['character_set'] = $value; 
  } 
 
  function get_configdb() { 
   return $this->dbconfig; 
  } 
 
} 
 
class mysql_operator extends mysql_config { 
   
  var $link = NULL; 
 
  var $result = NULL; 
 
  var $mysql_version = NULL; 
   
  var $string_error = array(); 
 
  function set_configdb(&$array_dbconfig) { 
 
   $this->set_hostname($array_dbconfig['hostname']); 
   $this->set_username($array_dbconfig['username']); 
   $this->set_password($array_dbconfig['password']); 
   $this->set_database($array_dbconfig['database']); 
          $this->set_collation_connection(             
                    $array_dbconfig['collation_connection']  
                 ); 
         $this->set_character_set($array_dbconfig['character_set']); 
 
  } 
   
  function set_error_msg($string){         
      array_push($this->string_error, $string);       
  } 
   
  function get_error_msg(){         
      while (count($this->string_error) - 1)  
             $string_output = '<b>MySQL Error : </b> '. 
                              array_pop($this->string_error).'<br />';       
   return $string_output;    
  }   
 
  function mysql_operator(&$dbconfig) { 
         if(is_array($dbconfig)) $this->set_configdb($dbconfig); 
         else $this->set_configdb($dbconfig->get_configdb()); 
  } 
  function set_mysql_version($value) { 
   $this->mysql_version = $value; 
  } 

   
  function get_mysql_version() { 
   return $this->mysql_version; 
  } 
   
  function opendb($newlink = FALSE) { 
   $this->link = mysql_connect($this->dbconfig['hostname'],  
                                      $this->dbconfig['username'],  
                                      $this->dbconfig['password'],  
                                      $newlink);    
   if (!$this->link)  
              $this->set_error_msg( 
                       mysql_errno($this->link).':'. 
                       mysql_error($this->link) 
                     ); 
   $this->set_mysql_version(mysql_get_server_info());    
   if (!mysql_select_db ($this->dbconfig['database']))  
          $this->set_error_msg( 
                  mysql_errno($this->link).':'. 
                  mysql_error($this->link) 
                ); 
        if(!empty($this->dbconfig['character_set'])) { 
    $this->querydb("SET CHARACTER SET ". 
                          $this->dbconfig['character_set'].";" 
                       ); 
    $this->querydb_counter_decrement(); 
           } 
           if(!empty($this->dbconfig['collation_connection'])) { 
        $this->querydb("SET collation_connection = ". 
                          $this->dbconfig['collation_connection'].";"); 
    $this->querydb_counter_decrement(); 
        } 
  } 
 
  function closedb() {    
   if (!mysql_close($this->link))  
                 $this->set_error_msg(mysql_errno($this->link).':'. 
                                      mysql_error($this->link) 
                        ); 
  } 
 
  function querydb($string_query) { 
       
     $start_time = array_sum(explode(chr(32), microtime())); 
     $this->result = mysql_query ($string_query);    
     $end_time = array_sum(explode(chr(32), microtime())); 
 
        if (!$this->result)  
      $this->set_error_msg( 
                mysql_errno($this->link).':'.mysql_error($this->link) 
               ); 
         
        $this->set_querydb_timer( 
                $this->get_querydb_timer() + ($end_time - $start_time) 
               );         
        $this->querydb_counter_increment(); 
  } 
 
 
  function list_fields($table) { 
   $fields = mysql_list_fields( 
                       $this->dbconfig['database'], $table, $this->link 
                    ); 

   $columns = mysql_num_fields($fields); 
   for ($i = 0; $i < $columns; $i++) 
       $array_fields_in_table[$i] = mysql_field_name($fields, $i); 
 
   return $array_fields_in_table; 
  } 
   
  function querydb_counter_increment() { 
        $this->set_querydb_counter($this->get_querydb_counter()+1); 
  } 
 
  function querydb_counter_decrement() { 
        $this->set_querydb_counter($this->get_querydb_counter()-1); 
  } 
   
  function querydb_transac_begin() { 
   if($this->get_mysql_version() > 3) 
           $this->querydb("START TRANSACTION;"); 
  } 
 
  function querydb_transac_commit() { 
   if($this->get_mysql_version() > 3) $this->querydb("COMMIT;"); 
  } 
   
  function querydb_transac_rollback() { 
   if($this->get_mysql_version() > 3) $this->querydb("ROLLBACK;"); 
  } 
 
  function querydb_transac_set_autocommit_to_zero() { 
   if($this->get_mysql_version() > 3)  
          $this->querydb("SET AUTOCOMMIT=0;"); 
  } 
   
  function querydb_transac_check_for_rollback_or_commit() { 
   if(!($this->get_resultdb())$this->querydb_transac_rollback(); 
   else $this->querydb_transac_commit(); 
  } 
 
  function num_rows_in_table($table, $condition = NULL) { 
   $num_rows = new mysql_operator($this->get_configdb()); 
   $num_rows->opendb(); 
   $num_rows->querydb("SELECT COUNT(*) FROM $table $condition;"); 
   $num_rows->closedb(); 
   return mysql_result($num_rows->get_resultdb(), 0); 
  } 
 
  function has_data_in_table($table, $field, $value) { 
   $value = trim($value); 
 
   if(empty($field) or empty($value)) $sql_condtion = NULL; 
   else $sql_condtion = "WHERE ".$field."='".$value."'"; 
 
   if($this->num_rows_in_table($table, $sql_condtion) > 0)return TRUE; 
   else return FALSE; 
  } 
 
  function reset_querydb() { 
   $this->set_resultdb(NULL); 
  } 
   
  function set_resultdb($resource) { 
   $this->result = $resource; 
  } 

   
  function get_resultdb() { 
   return $this->result; 
  } 
 
  function get_resultdb_fetch_data() { 
   return mysql_fetch_array($this->get_resultdb()); 
  } 
 
  function get_resultdb_num_rows() { 
   return mysql_num_rows($this->get_resultdb()); 
  } 
   
  function get_resultdb_num_fields() { 
   return mysql_num_fields($this->get_resultdb()); 
  } 
   
  function get_last_insert_id(){       
      return mysql_insert_id();      
  } 
 
  function get_resultdb_atrow($row = 0) { 
   return mysql_result($this->get_resultdb(), $row); 
  } 
} 
?>

<?php
$obj_dbconfig = new mysql_config(); 
$obj_dbconfig->set_hostname("localhost"); 
$obj_dbconfig->set_username("root"); 
$obj_dbconfig->set_password(""); 
$obj_dbconfig->set_database("test"); 
$obj_dbconfig->set_character_set("utf8"); 
$obj_dbconfig->set_collation_connection("utf8_general_ci"); 
$obj_db = new mysql_operator($obj_dbconfig->get_configdb()); 
$obj_db->opendb(); 
$obj_db->querydb("SELECT * FROM table;"); 
$obj_db->closedb();    
echo $obj_db->get_resultdb_num_rows(); 
while ($row = $obj_db->get_resultdb_fetch_data()) { 
  echo $row[0]; 
?>