我想对二维数组进行排序,但是它的键及其值。 数组就像这样
Array
(
[0] => Array
(
[Transport] => imagem3.png
)
[1] => Array
(
[Transport] => imagem2.png
)
[2] => Array
(
[Transport] => imagem1.png
)
[3] => Array
(
[First] => dscn2439.jpg
)
[4] => Array
(
[First] => dscn2454.jpg
)
[5] => Array
(
[First] => 06052010282.jpg
)
[6] => Array
(
[First] => dscn2357.jpg
)
[7] => Array
(
[Manufacture] => 120140220_191807.jpg
)
[8] => Array
(
[Manufacture] => 20140220_191429.jpg
)
)
我已经通过键对数组进行了排序,但我想做的是我想像这样的数组
<?php Array
(
[0] => Array
(
[Transport] => imagem1.png
)
[1] => Array
(
[Transport] => imagem2.png
)
[2] => Array
(
[Transport] => imagem3.png
)
[3] => Array
(
[First] => dscn2357.jpg
)
[4] => Array
(
[First] => dscn2439.jpg
)
[5] => Array
(
[First] => dscn2454.jpg
)
[6] => Array
(
[First] => 06052010282.jpg
)
[7] => Array
(
[Manufacture] => 120140220_191807.jpg
)
[8] => Array
(
[Manufacture] => 20140220_191429.jpg
)
)
?>
我按其键排序我无法按值排序请帮助我必须做的事
function getListPortfolio($params){
$dir ='./images/portfolio/';
// Open a directory, and read its contents
$folderArray=array();
$fileArray=array();
$extArray=array('.jpg', '.jpeg', '.png', '.gif');
if (is_dir($dir)){
if ($dh = opendir($dir)){
while (($subdir = readdir($dh)) !== false){
if(is_dir($dir.$subdir)){
if(!($subdir=='.' || $subdir=='..')){
$folderArray[]=$subdir;
}
}
}
arsort($folderArray);
foreach($folderArray as $key=>$value){
if($dhSub = opendir($dir.$value)){
while (($files = readdir($dhSub)) !== false){
$fileExists=$dir.$value.'/'.$files;
if(exif_imagetype($fileExists)){
if(is_file($fileExists)){
$fileArray[][$value]=$files;
}
}
}
}
}
closedir($dh);
}
}
return $fileArray;
}
我想要密钥和文件中的dir值。
解:
function getListPortfolio($params){
$dir ='./images/portfolio/';
// Open a directory, and read its contents
$folderArray=array();
$fileArray=array();
$data=array();
$extArray=array('.jpg', '.jpeg', '.png', '.gif');
if (is_dir($dir)){
if ($dh = opendir($dir)){
while (($subdir = readdir($dh)) !== false){
if(is_dir($dir.$subdir)){
if(!($subdir=='.' || $subdir=='..')){
$folderArray[]=$subdir;
}
}
}
arsort($folderArray);
foreach($folderArray as $key=>$value){
if($dhSub = opendir($dir.$value)){
while (($files = readdir($dhSub)) !== false){
$fileExists=$dir.$value.'/'.$files;
if(exif_imagetype($fileExists)){
if(is_file($fileExists)){
$fileArray[]=$files;
}
}
}
asort($fileArray);
foreach($fileArray as $index=>$filename){
$data[][$value]=$filename;
}
}
}
closedir($dh);
}
}
return $fileArray;
}
数组看起来像这样,我想排序数组[transport] =&gt; imagem2.jpg '值不是[0]这个索引。
Array
( [0] => Array ( [Transport] => imagem1.png )
[1] => Array
(
[Transport] => imagem2.png
)
[2] => Array
(
[Transport] => imagem3.png
)
[3] => Array
(
[First] => dscn2357.jpg
)
[4] => Array
(
[First] => dscn2439.jpg
)
[5] => Array
(
[First] => dscn2454.jpg
)
)
答案 0 :(得分:1)
使用此:
调用排序函数并将返回的排序数组存储在变量 $ sorted_array
中$sorted_array = sortArray($result, $p_sort_field );
排序功能:
<?php
function sortArray($arrData, $p_sort_field, $p_sort_type = false )
{
if(!empty($arrData))
{
foreach($arrData as $data)
{
$newData [] = $data;
}
for($i=0; $i<count($newData); $i++)
{
$ar_sort_field[$i]=$newData[$i][$p_sort_field];
}
array_multisort($ar_sort_field, ($p_sort_type ? SORT_DESC : SORT_ASC), $newData);
return $newData;
}
}
?>
在 $ result 中传递您的实际数组,并在 $ p_sort_field 中传递您要排序的字段名称。
答案 1 :(得分:0)
所以你想按值对数组进行排序。你怎么不用usort这样:
function cmp($a, $b)
{
if ($a == $b)
return 0;
return ($a < $b) ? -1 : 1;
}
usort($arr, 'cmp');
print_r($arr);
$ arr是您要排序的数组。