Php 创建自定义多维数组
我对此感到困惑了一段时间,想知道是否有办法将这些数据转换为自定义多维数组 我在我的表上运行一个查询,它会输出一个如下的数组Php 创建自定义多维数组,php,arrays,multidimensional-array,Php,Arrays,Multidimensional Array,我对此感到困惑了一段时间,想知道是否有办法将这些数据转换为自定义多维数组 我在我的表上运行一个查询,它会输出一个如下的数组 SELECT id_cms_category, name FROM cms_category_lang ORDER BY id_cms_category ASC array 0 => array 'id_cms' => string '4' (length=1) 'id_cms_category' => string '1' (length=1
SELECT id_cms_category, name FROM cms_category_lang ORDER BY id_cms_category ASC
array
0 =>
array
'id_cms' => string '4' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'About us' (length=8)
1 =>
array
'id_cms' => string '6' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'Contact Us' (length=10)
2 =>
array
'id_cms' => string '1' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'Delivery' (length=8)
3 =>
array
'id_cms' => string '2' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'Legal Notice' (length=12)
4 =>
array
'id_cms' => string '5' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'Secure payment' (length=14)
5 =>
array
'id_cms' => string '3' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'Terms and conditions of use' (length=27)
6 =>
array
'id_cms' => string '10' (length=2)
'id_cms_category' => string '2' (length=1)
'meta_title' => string 'FAQ - UltraTech IBC Spill Pallet Plus' (length=37)
7 =>
array
'id_cms' => string '9' (length=1)
'id_cms_category' => string '2' (length=1)
'meta_title' => string 'FAQ - UltraTech P2 Plus 2-Drum Hard Top Spill Pallet' (length=52)
8 =>
array
'id_cms' => string '7' (length=1)
'id_cms_category' => string '2' (length=1)
'meta_title' => string 'XR-5, Urethane & Copolymer 2000' (length=31)
foreach($title as $key => $value)
{
<li>$value</li>
foreach($value as $id_cms => $page)
{
<li><a href="$id_cms">$page</a></li>
}
}
Home
home 1
home 2
home 3
Test
test 1
test 2
test 3
生成的数组如下所示
array
0=>
array
'id_cms_category'=> 1
'name'=>'Home'
1=>
array
'id_cms_category'=> 2
'name'=>'Test'
然后我在cms表上运行查询
SELECT cl.id_cms, c.id_cms_category, cl.meta_title
FROM cms_lang cl
LEFT JOIN cms c ON (c.id_cms = cl.id_cms)
LEFT JOIN cms_link ci ON (ci.id_cms = cl.id_cms)
ORDER BY c.id_cms_category, cl.meta_title ASC
我得到一个这样的数组
SELECT id_cms_category, name FROM cms_category_lang ORDER BY id_cms_category ASC
array
0 =>
array
'id_cms' => string '4' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'About us' (length=8)
1 =>
array
'id_cms' => string '6' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'Contact Us' (length=10)
2 =>
array
'id_cms' => string '1' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'Delivery' (length=8)
3 =>
array
'id_cms' => string '2' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'Legal Notice' (length=12)
4 =>
array
'id_cms' => string '5' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'Secure payment' (length=14)
5 =>
array
'id_cms' => string '3' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'Terms and conditions of use' (length=27)
6 =>
array
'id_cms' => string '10' (length=2)
'id_cms_category' => string '2' (length=1)
'meta_title' => string 'FAQ - UltraTech IBC Spill Pallet Plus' (length=37)
7 =>
array
'id_cms' => string '9' (length=1)
'id_cms_category' => string '2' (length=1)
'meta_title' => string 'FAQ - UltraTech P2 Plus 2-Drum Hard Top Spill Pallet' (length=52)
8 =>
array
'id_cms' => string '7' (length=1)
'id_cms_category' => string '2' (length=1)
'meta_title' => string 'XR-5, Urethane & Copolymer 2000' (length=31)
foreach($title as $key => $value)
{
<li>$value</li>
foreach($value as $id_cms => $page)
{
<li><a href="$id_cms">$page</a></li>
}
}
Home
home 1
home 2
home 3
Test
test 1
test 2
test 3
我想尝试获取所有这些数据,并以某种方式创建一个这样的多维数组
array
0 => 'Home'
array
id_cms => meta_title
1 => 'Test'
array
id_cms => meta_title
那样的话,我就可以做这样的事情了
SELECT id_cms_category, name FROM cms_category_lang ORDER BY id_cms_category ASC
array
0 =>
array
'id_cms' => string '4' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'About us' (length=8)
1 =>
array
'id_cms' => string '6' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'Contact Us' (length=10)
2 =>
array
'id_cms' => string '1' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'Delivery' (length=8)
3 =>
array
'id_cms' => string '2' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'Legal Notice' (length=12)
4 =>
array
'id_cms' => string '5' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'Secure payment' (length=14)
5 =>
array
'id_cms' => string '3' (length=1)
'id_cms_category' => string '1' (length=1)
'meta_title' => string 'Terms and conditions of use' (length=27)
6 =>
array
'id_cms' => string '10' (length=2)
'id_cms_category' => string '2' (length=1)
'meta_title' => string 'FAQ - UltraTech IBC Spill Pallet Plus' (length=37)
7 =>
array
'id_cms' => string '9' (length=1)
'id_cms_category' => string '2' (length=1)
'meta_title' => string 'FAQ - UltraTech P2 Plus 2-Drum Hard Top Spill Pallet' (length=52)
8 =>
array
'id_cms' => string '7' (length=1)
'id_cms_category' => string '2' (length=1)
'meta_title' => string 'XR-5, Urethane & Copolymer 2000' (length=31)
foreach($title as $key => $value)
{
<li>$value</li>
foreach($value as $id_cms => $page)
{
<li><a href="$id_cms">$page</a></li>
}
}
Home
home 1
home 2
home 3
Test
test 1
test 2
test 3
$newArray=array()代码>
if(isset($newArray[$row['id\u cms\u category'))
$newArray[$row['id\u cms\u category']=array($row);
$newArray[$row['id\u cms\u category'][=$row;
就是这样!如果你的CMS返回一个数字索引数组(这是你帖子中的声音),你可以使用你想要的任何键重新索引数组
$array = array(0 => array('id_cms' => 4, 'id_cms_category' => 1, 'meta_title' => 'About us'));
$newArray = array();
foreach ( $array as $v ) {
$newArray[$v['meta_title']] = $v;
}
var_dump($newArray);
数组在PHP编程中是至关重要的,所以在进一步研究之前,您最好先了解一下它们。我不会为此进行两次查询 我将更改您的第二个查询,使您在同一个结果集中同时获得类别和页面名称。它应该类似于:
SELECT cl.id_cms, c.id_cms_category, catlang.name, cl.meta_title
FROM cms_lang cl
LEFT JOIN cms c
ON (c.id_cms = cl.id_cms)
LEFT JOIN cms_link ci
ON (ci.id_cms = cl.id_cms)
LEFT JOIN cms_category_lang catlang
ON (catlang.id_cms_category = cl.id_cms_category)
ORDER BY c.id_cms_category, catlang.name, cl.meta_title ASC;
然后,您可以创建一个循环,只需在每次迭代中检查类别。如果它找到一个新的类别,请结束上一个块并开始一个新的类别:
$currentCategory = '';
$output = '';
foreach ($rows as $row) {
if ($currentCategory != $row['name']) {
$output .= '</li><li>' . $row['name'];
}
$currentCategory = $row['name'];
$output .= '<li><a href="' . $row['id_cms'] . '">' . $row['meta_title'] . '</li>';
}
// Trim off our unnecessary </li>
$output = substr($output, 4);
$currentCategory='';
$output='';
foreach($行作为$行){
如果($currentCategory!=$row['name'])){
$output.=''.$row['name'];
}
$currentCategory=$row['name'];
$output.=' 。$row['meta_title']. ;
}
//剪掉不必要的头发
$output=substr($output,4);
您使用哪种获取方法来检索结果?@FabienWarniez这是使用电子商务平台Prestashop,他们使用PDO,在他们的DB类中,他们的对象被称为executeS,它执行sql查询,并使结果中的所有数据在多维数组中可用。我明白了。我的答案见下文。这是行不通的工作。当“id\u cms\u category”不是每个记录的唯一项时,为什么要使用它作为键?您如何知道代码使用$row?它不是每个记录的唯一项,确切地说,OP要做的是按类别对其记录进行分组。这就是为什么我使用id\u cms\u category作为键,并且该值是包含属于该类别的记录的数组血淋淋的。为什么是$row?因为它代表一条记录/行。当我说“检查结果”时,很容易理解你必须做一个foreach($result as$row),你可以用你想要的任何东西替换$result和$row…这只是一个变量名。让我们试试这个。请解释一下你的想法“$newArray[$row['id\u cms\u category']=]$row'Dos.$row['id\u cms\u category']是OP想要分组的类别,即“Home”,“Test”。该行添加$row作为数组的新对象,该数组包含类别“Home”的所有条目。例如,$array从何而来?它是一个定义为示例的PHP变量。其中包含静态内容?