//已知数组
$info=array();
//输出
print_r($info);
//结果
Array
(
[0] => Array
(
[name] => 8.gif
[md5] => b68d88dbdfc9d0af2e0bbd85a4ccd28f
[saveName] => 20120602080557_452.gif
[size] => 1
[type] => image/gif
[originalHeight] => 39
[originalWidth] => 31
) [1] => Array
(
[name] => 9.gif
[md5] => 4988f85ebebf82f56d70eeaf39a67016
[saveName] => 20120602080557_776.gif
[size] => 2
[type] => image/gif
[originalHeight] => 39
[originalWidth] => 31
))我要想取出对应的 saveName 的值, 请问该如何下手
foreach($info as $value){
foreach($value as $getValue){
echo $getValue['saveName'];
}}
print_r($temp);
$a=Array( Array (
'name' => '8.gif',
'md5' => 'b68d88dbdfc9d0af2e0bbd85a4ccd28f' ,
'saveName' => '20120602080557_452.gif',
'size' => 1 ,
'type' => 'image/gif' ,
'originalHeight' => 39 ,
'originalWidth' => 31
),
Array(
'name' => '9.gif' ,
'md5' => '4988f85ebebf82f56d70eeaf39a67016',
'saveName' => '20120602080557_776.gif' ,
'size' => 2 ,
'type' => 'image/gif' ,
'originalHeight' => 39 ,
'originalWidth' => 31 ,
)) ;
foreach ($a as $k=>$v) {
if ($v['name']===$_POST['yourname']){//令$_POST['yourname']=‘8.gif’,将输出$v ['saveName']=20120602080557_452.gif
echo '$v ['.'savename'.']='.$v ['saveName'] .'<br>' ; } }
?>
echo $value['savename'];
}
你这是一个二维数组
取值方法
数组名[index][index]
数组名[index名称][index名称]
for($i = 0;$i<count($info);$i++){
echo $info[$i]["saveName"]."<br />";
}
while($value = DB::fetch($query)) {
$citys[$value['cityid']] = $value;
}
return
//应该是这样取值的。你不是只取出一行元素吗?