Php 从现有数据数组创建新的数据数组
我有一个这样的数组Php 从现有数据数组创建新的数据数组,php,arrays,json,Php,Arrays,Json,我有一个这样的数组 [{ "image": "image1.png", "url": "link1" },{ "image": "image2.png", "url": "link2" },{ "image": "image3.png", "url": "link3" }] 如何从上面的数组创建这样的新数组 ["image1.png","image2.png","image3.png"] 这是我的代码,上面添加了json编码的$main for
[{
"image": "image1.png",
"url": "link1"
},{
"image": "image2.png",
"url": "link2"
},{
"image": "image3.png",
"url": "link3"
}]
如何从上面的数组创建这样的新数组
["image1.png","image2.png","image3.png"]
这是我的代码,上面添加了json编码的$main
foreach ($main as $key =>$value){
foreach($value as $key1 => $value1) {
if($key1==='image'&&$key1!=url){
$image=$value1;
$array12 = array( 'image' =>$image);
}
}
$array12=json_encode($array12);
print_r($array12);
}
我得到的结果是
{"image":"image1.png"}{"image":"image2.png"}{"image":"image3.png"}
我会这样做:
$array12 = [];
foreach ($main as $key =>$value){
$image=$value["image"];
array_push($array12, $image);
}
$array12=json_encode($array12);
print_r($array12);
我会这样做:
$array12 = [];
foreach ($main as $key =>$value){
$image=$value["image"];
array_push($array12, $image);
}
$array12=json_encode($array12);
print_r($array12);
应该类似于
array_column($main,'image')
就像这个例子:array_column(json_decode($your_json),'your_column')应该类似于array_column($main,'image')代码>就像这个例子:array\u column(json\u decode($your\u json),'your\u column')