php查询类的方法总结

get_class_methods($class_name)

<?php
 
class myclass {
    // constructor
    function myclass()
    {
        return(true);
    }
 
    // method 1
    function myfunc1()
    {
        return(true);
    }
 
    // method 2
    function myfunc2()
    {
        return(true);
    }
}
 
$class_methods = get_class_methods('myclass');
// or
$class_methods = get_class_methods(new myclass());
 
foreach ($class_methods as $method_name) {
    echo "$method_name<br>";
}
 
?>

<?php
 class user
 {
  var $usertable;
  function get_oneuser($field,$value)
  {
   $field_array=array("id","name");  //查询方式
   if(in_array($field,$field_array))
   {
    $sql="SELECT * FROM `$this->usertable` WHERE $field='$value'";
    $db=new database;
    $res=$db->execute($sql);
    $obj_user=mysql_fetch_object($res);
    return $obj_user;
   }
   else echo "查询方式不对";
  }
  function get_moreusers()
  {
   global $db;
   $argnums=func_num_args();
   $argarr=func_get_args();
   switch($argnums)
   {
    case 0:
     $sql="SELECT * FROM `$this->usertable`";
     break;
    case 2:
     $sql="SELECT * FROM `$this->usertable` WHERE $argarr[0]='$argarr[1]'";
     break;
    case 4:
     $sql="SELECT * FROM `$this->usertable` WHERE $argarr[0]='$argarr[1]' AND $argarr[2]='$argarr[3]'";
     break;
   }
   //$db=new database;
   $res=$this->execute($sql);
   $obj_arr=array();
   while($obj=mysql_fetch_object($res))
   {
    $obj_arr[]=$obj;
   }
   return $obj_arr;
  }
 }
?>