<?php
class get_param{
public $preparate;
public $city;
public $category=array();
public $strSql;
public $flag;
public $pat;
public $test;
public function __construct ($preparate,$city,$category) {
		//...........
		if ($a==2){	$this->flag=1;}	
		elseif($a==3) {$this->flag=1;}
		else {$this->flag=4;}}

public function patern_top(){
if ($this->flag==1 || $this->flag==2) 
echo '<th>1</th>
	<th>2</th>';
elseif ($this->flag==3)
echo '<th>2</th>
	<th>3</th>';
else return false;
}
public function patern_bottom(){
if ($this->flag==1|| $this->flag==2){
echo '<tr>
	<td BGCOLOR="'.$color.'">'.$row['Recipe'].'</td>
	</tr>';}
elseif ($this->flag==3){
echo '<tr>
<td BGCOLOR="'.$color.'">'.$row['min_price'].'</td>
<td BGCOLOR="'.$color.'">'.$row['max_price'].'</td>
</tr>';}
else {return false;}
}
public function query_conect(){
	mysql_connect("localhost", "root", "") or die (mysql_error ());
	mysql_select_db("xxx") or die(mysql_error());
	mysql_set_charset( 'Utf8' ); 
	if(($rs = mysql_query($this->strSql))==0) return false;
	if(($num_rows =  mysql_num_rows($rs)) ==0) return false;
	$this->patern_top();
	while($row = mysql_fetch_assoc($rs))
	{
	$this->patern_bottom();
}	
	mysql_close();
}
}
$obj=new get_param(2,3,4);
$obj->query_conect ();
?>