php foreach method to delete an array: first create a PHP sample file; then define an array; finally delete through "foreach($db as $k=>$v){...}" That’s it.
The operating environment of this article: Windows7 system, PHP7.1 version, DELL G3 computer
Specific questions:
How to delete an array in php foreach?
PHP foreach delete array
Array output, I want to delete one value and display the remaining values.
Array:
Array
(
[0] => Array
(
[uid] => 1
[tid] => 0
[username] => 123
[truename] => 3333
[groupid] => 1
)
[1] => Array
(
[uid] => 2
[tid] => 0
[username] => 321
[truename] => 5
[groupid] => 1
)
[2] => Array
(
[uid] => 4
[tid] => 0
[username] => 456
[truename] => 5
[groupid] => 2
)I only want to display the array of [groupid] => 2, and delete [groupid] => 1.
foreach($db as $v){
if($v['groupid'] == 1){
unset($db[$v['groupid']]);
}
｝Implementation method:
foreach($db as $k=>$v){
if($v['groupid'] == 1){ unset($db[$k]);
}
｝Recommended learning: "PHP Video Tutorial"
The above is the detailed content of How to delete array in php foreach. For more information, please follow other related articles on the PHP Chinese website!
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
