"27","11a"=>"29","12a"=>"37","Bill"=>"35","Steve"=>"37","Peter"=>"43"); echo '排序前:
'; foreach($age as $x=>$x_value) { echo "Key=" . $x . ", Value=" . $x_value; echo "
"; } ksort($age); echo '
排序后:
'; foreach($age as $x=>$x_value) { echo "Key=" . $x . ", Value=" . $x_value; echo "
"; } echo '

PHP 基础教程 - 简单教程(www.twle.cn)

';