sorting in array

[weetat <weetat.yeo@xxxxxxxxx>]

Hi all ,

 I have array value as shown below, i have paste my test php code below:
 I have problem when doing usort() when 'country' = '', i would like to 
display records where country = '' last. Any ideas how to do that ?

Thanks

  $arraytest= array(
     array
        (
            'country' => '',
        )
     ,
     array
        (
            'country' => 'Thailand',
        )
     ,
     array
        (
            'country' => 'Singapore',
        )
     ,
     array
        (
            'country' => 'Singapore',
        )
     ,
     array
        (
            'country' => '',
        )
      ,
	  array
        (
            'country' => '',
        )
	,
	array
        (
            'country' => '',
        )

     );


  function cmpcountry($a, $b)
  {

        $country1 = $a['country'];
        $country2 = $b['country'];

         return ($country1 < $country2) ? -1 : 1;
  }

    usort($arraytest,"cmpcountry");
    while(list($name,$value)=each($arraytest)){
	   echo $name."<br><br>";

	   while(list($n,$v) = each($arraytest[$name])){
	       echo $v."<br><br>";
	   }
     }

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