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<?php
$tn[] = 'Sofia';
$tn[] = 'Roman';

/*
print "$tn[0] \n";
print "$tn[1] \n";
*/

$tn2 = array(
   'Sofia'   => array('alter' => 54, 'ps' => ''),
   'Roman'   => array('alter' => 37, 'ps' => 'php'),
   'Honglei' => array('alter' => 15, 'ps' => 'VB'),
   'Ludwig'  => array('alter' => 52, 'ps' => 'java'),
   'Franz'   => array('alter' => 49, 'ps' => 'c++'),
   'Mario'   => array('alter' => 52, 'ps' => 'vba'),
   'Bernhard'=> array('alter' => 43, 'ps' => 'perl'),
   );

$tn2['Mark'] = array('alter' => 34, 'ps' => 'perl');

print_r($tn2);

foreach ($tn2 as $teilnehmer => $p) {
    printf("%s: Alter: %s PS: %s\n",
	$teilnehmer, $p['alter'], $p['ps']);
}

foreach ($tn2 as $teilnehmer => $p) {
    printf("Teilnehmer: %s \n", $teilnehmer);
	foreach ($p as $eigenschaft => $wert) {
    printf("Eigenschaft: %s Wert: %s\n",
	      $eigenschaft, $wert);
    }	
}

?>