PHP mysql查询结果转换为多维数组
上面制作的数组将生成一个具有多个值的数组。数组将如下所示PHP mysql查询结果转换为多维数组,php,mysql,arrays,multidimensional-array,Php,Mysql,Arrays,Multidimensional Array,上面制作的数组将生成一个具有多个值的数组。数组将如下所示 while ($selected_row = $stmt->fetch(PDO::FETCH_ASSOC)) { $basicinfo[] = array('schlid' => $selected_row['schlid'], 'name' => $selected_row['name'], 'class' => $selected_row['class']); } 但我可以通过下面的操作删除相同的值
while ($selected_row = $stmt->fetch(PDO::FETCH_ASSOC)) {
$basicinfo[] = array('schlid' => $selected_row['schlid'], 'name' => $selected_row['name'], 'class' => $selected_row['class']);
}
但我可以通过下面的操作删除相同的值
Array
(
[0] => Array
(
[schlid] => 015-08-0011-000-01
[name] => John
[class] => Math
)
[1] => Array
(
[schlid] => 015-08-0011-000-01
[name] => John
[class] => English
)
[2] => Array
(
[schlid] => 015-08-0011-000-01
[name] => John
[class] => Math
)
[3] => Array
(
[schlid] => 015-08-0011-000-01
[name] => John
[class] => English
)
[4] => Array
(
[schlid] => 015-08-0011-000-01
[name] => John
[class] => Math
)
[5] => Array
(
[schlid] => 015-08-0011-000-01
[name] => John
[class] => English
)
[6] => Array
(
[schlid] => 015-08-0011-000-01
[name] => John
[class] => Math
)
[7] => Array
(
[schlid] => 015-08-0011-000-01
[name] => John
[class] => English
)
[8] => Array
(
[schlid] => 015-08-0011-000-01
[name] => John
[class] => Math
)
[9] => Array
(
[schlid] => 015-08-0011-000-01
[name] => John
[class] => English
)
[10] => Array
(
[schlid] => 015-08-0011-000-01
[name] => John
[class] => Math
)
[11] => Array
(
[schlid] => 015-08-0011-000-01
[name] => John
[class] => English
)
)
我会在下面看到这个
$input = array_map("unserialize", array_unique(array_map("serialize", $basicinfo)));
$new_data = array_values($input);
现在,我所做的是创建一个多维数组,其中包含与此相同的查询结果
Array
(
[0] => Array
(
[schlid] => 015-08-0011-000-01
[name] => John
[class] => Math
)
[1] => Array
(
[schlid] => 015-08-0011-000-01
[name] => John
[class] => English
)
)
从上面我得到的结果是
while ($selected_row = $stmt - > fetch(PDO::FETCH_ASSOC)) {
$tmp_key = $selected_row['schlid']; //adding a temp key
$basicinfo[$tmp_key]['name'] = $selected_row['name'];
$basicinfo[$tmp_key]['schlid'] = $selected_row['schlid'];
$sudky = (isset($basicinfo[$tmp_key]['Class'])) ? count($basicinfo[$tmp_key]['Class']) : 0;
$basicinfo[$tmp_key]['Class'][$sudky]['class'] = $selected_row['class'];
}
我想要的是
Array
(
[015-08-0011-000-01] => Array
(
[schlid] => 015-08-0011-000-01
[name] => John
[Class] => Array
(
[0] => Array
(
[class] => Math
)
[1] => Array
(
[class] => English
)
[2] => Array
(
[class] => Math
)
[3] => Array
(
[class] => English
)
[4] => Array
(
[class] => Math
)
[5] => Array
(
[class] => English
)
[6] => Array
(
[class] => Math
)
[7] => Array
(
[class] => English
)
[8] => Array
(
[class] => Math
)
[9] => Array
(
[class] => English
)
[10] => Array
(
[class] => Math
)
[11] => Array
(
[class] => English
)
)
)
)
删除多维数组中的重复元素。
上面的结果来自php中的
print_r()
,如果这是相关的您可以使用for
循环在分配学生类之前检查,或者在使用输出后处理包含重复类的数组
$basicinfo[$tmp\u key]['Class'][0]=array\u unique($basicinfo[$tmp\u key]['Class'][0])//值得一试。让我也试试不带[0]
的itTry
Array
(
[015-08-0011-000-01] => Array
(
[schlid] => 015-08-0011-000-01
[name] => John
[Class] => Array
(
[0] => Array
(
[class] => Math
)
[1] => Array
(
[class] => English
)
)
)
)
$basicinfo[$tmp_key]['Class'][0] = array_unique($basicinfo[$tmp_key]['Class'][0]); //<-The array that you don't want duplicates in. i modify the formating