<?
$a[0][0] = "乙";
$a[0][1] = "2002-2-1";
$a[1][0] = "甲";
$a[1][1] = "2002-1-1";
$a[2][0] = "丁";
$a[2][1] = "2002-4-1";
$a[3][0] = "丙";
$a[3][1] = "2002-3-1";
print_r($a);
echo "<br>";ksort($a);print_r($a);
?>
祇能按索引來排序
按天干地支,還是手工吧
$a[0][0] = "乙";
$a[0][1] = "2002-2-1";
$a[1][0] = "甲";
$a[1][1] = "2002-1-1";
$a[2][0] = "丁";
$a[2][1] = "2002-4-1";
$a[3][0] = "丙";
$a[3][1] = "2002-3-1";
print_r($a);
echo "<br>";ksort($a);print_r($a);
?>
祇能按索引來排序
按天干地支,還是手工吧
$a[0][0] = "乙";
$a[0][1] = "2002-2-1";
$a[1][0] = "甲";
$a[1][1] = "2002-1-1";
$a[2][0] = "丁";
$a[2][1] = "2002-4-1";
$a[3][0] = "丙";
$a[3][1] = "2002-3-1";function cmp($a,$b)
{
$t1=explode('-',$a);
$t2=explode('-',$b); if ($t1[0]>$t1[0])
return 1;
else if ($t1[1]>$t2[1])
return 1;
else if ($t1[2]>$t2[2])
return 1;
else
return 0;
}
function mysort()
{
global $a; for ($i=0;$i<3;$i++)
{
for ($j=$i+1;$j<=3;$j++)
{
if (cmp($a[$i][1],$a[$j][1]) == 1 )
{
$t0=$a[$i][0];
$t1=$a[$i][1]; $a[$i][0]=$a[$j][0];
$a[$i][1]=$a[$j][1]; $a[$j][0]=$t0;
$a[$j][1]=$t1;
}
}
}
}function output()
{
global $a; for ($i=0;$i<=3;$i++)
echo $a[$i][0],' ',$a[$i][1],'<br>'; echo '<br>';
}output();
mysort();
output();
?>-------------
你看看合不合你意了.基本思路就是这样.自己写排序.
如果可以的话...多给我一点分...我先谢你...
array(thekey=>'1',date=>"2002-1-1"),
array(thekey=>'4',date=>"2002-4-1"),
array(thekey=>'3',date=>"2002-3-1")
); asort($a);
reset($a);
while(list($key,$subarray)=each($a))
{
while (list($key,$val)=each($subarray))
{
echo "$key:$val <br>";
}
}
?>
function cmp ($a, $b) {
return (-strcmp($a[1], $b[1]));
}
$fruits[0][0] = "CCC";
$fruits[0][1] = "2002-3-1";
$fruits[1][0] = "AAA";
$fruits[1][1] = "2002-1-1";
$fruits[2][0] = "BBB";
$fruits[2][1] = "2002-2-1";usort($fruits, "cmp");echo $fruits[0][0]."<br>";
echo $fruits[0][1]."<br>";
echo $fruits[1][0]."<br>";
echo $fruits[1][1]."<br>";
echo $fruits[2][0]."<br>";
echo $fruits[2][1]."<br>";
?>