[英]Formatting an Array in PHP
我从数据库中提取一个数组,它看起来像这样:
Array
(
[0] => Array
(
[tracker_id] => 28
[tracking_numbers] => hdkshwuy47937892hd
)
[1] => Array
(
[tracker_id] => 28
[tracking_numbers] => 797825464411
)
)
我需要重新格式化以使其看起来像这样:
Array
(
[0] => Array
(
[tracker_id] => 28
[tracking_numbers] => Array
(
[0] => hdkshwuy47937892hd
[1] => 797825464411
)
)
)
我似乎无法在数组或键中找到正确的搜索来为单个跟踪器ID创建数字数组。
对<PHP V5.5使用array_column()
<?php
$a=array
( array
('tracker_id' => 28,
'tracking_numbers'=> "hdkshwuy47937892hd"
),
array('tracker_id' => 28,
'tracking_numbers' => "797825464411",
) );
$a[0]['tracking_numbers']=array_column($a,"tracking_numbers");
unset($a[1]);
print_r($a);
尝试这个
$arr_output = array();
foreach($arr_input as $arr)
{
$tracker_id = $arr['tracker_id'];
$tracking_numbers = $arr['tracking_numbers'];
$arr_output[$traker_id][] = $tracking_numbers;
}
print_r($arr_output);
更新2:
$arr_output = array();
$arr_output1 = array();
foreach($arr_input as $arr)
{
$tracker_id = $arr['tracker_id'];
$tracking_numbers = $arr['tracking_numbers'];
$arr_output[$traker_id][] = $tracking_numbers;
}
$i=0;
foreach($arr_output as $key=>$value)
{
$arr_output1[$i]['tracker_id']=$key
$arr_output1[$i]['tracking_numbers']=$value
$i+=1;
}
print_r($arr_output1);
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