Convert ARRAY to STRING! (of anders)

function getkey()
	{
	    	$lengte = 5;
			$array1 = array (range (1, 9));
			$array2 = array (range ('a', 'z'));
			$tekens = array_merge($array1, $array2);
			//$tekens = array (range (1, 9), range ('a', 'z'));
			$key="";

			for ($i = 0; $i < $lengte; $i++)
			{
	  		 	$key .= $tekens[rand(0, sizeof ($tekens))];
			}
			$key = strtoupper($key);
			echo $key;
    }

function getkey()
	{
	    	$lengte = 5;
			$array1 = array (range (1, 9));
			$array2 = array (range ('a', 'z'));
			$tekens = array_merge($array1, $array2);
			//$tekens = array (range (1, 9), range ('a', 'z'));
			$key="";
 
			for ($i = 0; $i < $lengte; $i++)
			{
	  		 	$key .= $tekens[rand(0, sizeof ($tekens))];
			}
			$key = strtoupper($key);
			echo $key;
    }

$array1 = array (range (1, 9));

$array1 = array (range (1, 9));

array(
0 => array(
  0 => 1,
  1 => 2,
  2 => 3,
  ...
  8 => 9
  )
)

array(
0 => array(
  0 => 1,
  1 => 2,
  2 => 3,
  ...
  8 => 9
  )
)

echo "<pre>".print_r($je_array, 1)."</pre>";

echo "<pre>".print_r($je_array, 1)."</pre>";

	function getkey()
	{
	    	$lengte = 5;
			$array1 = range (1, 9);
			$array2 = range ('a', 'z');
			$tekens = array_merge($array1, $array2);
			$key = "";

			for ($i = 0; $i < $lengte; $i++)
			{
	  		 	$key .= $tekens[rand(0, count($tekens)-1 )];
			}
			$key = strtoupper($key);
    		return($key);
    }

function getkey()
	{
	    	$lengte = 5;
			$array1 = range (1, 9);
			$array2 = range ('a', 'z');
			$tekens = array_merge($array1, $array2);
			$key = "";
 
			for ($i = 0; $i < $lengte; $i++)
			{
	  		 	$key .= $tekens[rand(0, count($tekens)-1 )];
			}
			$key = strtoupper($key);
    		return($key);
    }