}
?>
</table>
函数next()
描述:
将数组的指向指到下一组数据
函数pos()
描述:
传回数组的当前的数据
函数prev()
描述:
传回数组的前一条的数据
函数reset()
描述:
数组的指针指到第一条
函数rsort ()
描述:
以倒序方式排列一个数组
Example 1. rsort() example
$fruits = array("lemon","orange","banana","apple");
rsort($fruits);
for(reset($fruits); ($key,$value) = each($fruits); ) {
echo "fruits[$key] = ".$value."\n";
}
This example would display: fruits[0] = orange fruits[1] = lemon fruits[2] = banana fruits[3] = apple The fruits have been sorted in reverse alphabetical order.
函数sizeof()
描述:
取得一个数组的大小和元素的数目
函数sort()
描述:
排序数组
Example 1. sort() example
$fruits = array("lemon","orange","banana","apple");
sort($fruits);
for(reset($fruits);
$key = key($fruits);
next($fruits)) {
echo "fruits[$key] = ".$fruits[$key]."\n";
}
This example would display: fruits[0] = apple fruits[1] = banana fruits[2] = lemon fruits[3] = orange The fruits have been sorted in alphabetical order.
函数uasort()
描述:
以自定义的方式排列一个数组且序列不变。
函数uksort()
描述:
以自定义的方式以key排列
This function will sort the keys of an array using a user-supplied comparison function. If the array you wish to sort needs to be sorted by some non-trivial criteria, you should use this function. Example 1.
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