string
'orange' (length=6)
--------------------rsort 降序排列--------------------
代码如下:
<?php
$fruits
=
array
("lemon", "orange", "banana", "apple");
rsort(
$fruits
);
var_dump(
$fruits
);
?>
结果:
array
0 =>
string
'orange' (length=6)
1 =>
string
'lemon' (length=5)
2 =>
string
'banana' (length=6)
3 =>
string
'apple' (length=5)
---------------asort 按照二维数组值的升序排列(保持 key=>value 的关联关系)-----------
代码如下:
<?php
$fruits
=
array
("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple");
asort(
$fruits
);
var_dump(
$fruits
);
?>
结果:
array
'c' =>
string
'apple' (length=5)
'b' =>
string