数组取值,举例:
$a = array(1 => 'one', 2 => 'two', 3 => array('a'=>'three','b'=>'4'));
echo $a[1];//显示 one
echo $a[3]['b'];//显示 4
数组取值,举例:
$a = array(1 => 'one', 2 => 'two', 3 => array('a'=>'three','b'=>'4'));
echo $a[1];//显示 one
echo $a[3]['b'];//显示 4