php中怎么去除二维数组的某个字段? 二维数组php遍历 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 1、这样去掉$arr = array( "net" => array("on", "11", "101", "1001"), "login" => array("on", "10001","100001","1000001"));array_walk($arr, function(&$t) { $t = array_diff($t, array('on'));});print_r($arr);Array( [net] => Array ( [1] => 11 [2] => 101 [3] => 1001 ) [login] => Array ( [1] => 10001 [2] => 100001 [3] => 1000001 ))2、这样运算$arr = array( "net" => array("on", "11", "101", "1001"), "login" => array("on", "10001","100001","1000001"));$str ='';foreach ($arr as $key=>$value){ foreach ($value as $k =>$v){ if($v != 'on') $str = $str|$v; }}var_dump($str);string(7) "1111111" $arr = array("net" => array("on", "11", "101", "1001"), "login" => array("on", "10001","100001","1000001"));delon($arr);print_r($arr);function delon(&$arr){ foreach($arr as $key=>&$val){ foreach($val as $k=>$v){ if($v=='on'){ unset($val[$k]); } } }}Array( [net] => Array ( [1] => 11 [2] => 101 [3] => 1001 ) [login] => Array ( [1] => 10001 [2] => 100001 [3] => 1000001 )) 2$arr = array("net" => array("on","1", "2","4"), "login" => array("on","10001","100001","10000001"));delon($arr);$str ='';foreach ($arr as $key=>$value){ foreach ($value as $k =>$v){ $str=$str|$v; }}var_dump($str); function delon(&$arr){ foreach($arr as $key=>&$val){ foreach($val as $k=>$v){ if($v=='on'){ unset($val[$k]); } } }}string(8) "70001101" 一个数据表设计问题 关于翻页的问题 求一段删除DIV正则 怎么制作搜索串?获取佳缘登陆后的会员ID 又来提问了,想做一个功能,无法得到远程文件。 copy("1.gif","2.gif); 一会成功一会失败是什么原因引起的? php设置问题 开设服务器挂qq一问 http头里的某一个变量怎么取? Linux下用PHP连oracle,必须至少安装oracle的客户端吗? php 如何配合easyui 实现,datagrid1点击某行,然后datagrid2 进行动态查询。 中文字符串里部分夹带unicode字符的怎么转换为中文显示?
"net" => array("on", "11", "101", "1001"),
"login" => array("on", "10001","100001","1000001")
);array_walk($arr, function(&$t) {
$t = array_diff($t, array('on'));
});print_r($arr);Array
(
[net] => Array
(
[1] => 11
[2] => 101
[3] => 1001
) [login] => Array
(
[1] => 10001
[2] => 100001
[3] => 1000001
))
2、这样运算$arr = array(
"net" => array("on", "11", "101", "1001"),
"login" => array("on", "10001","100001","1000001")
);$str ='';
foreach ($arr as $key=>$value){
foreach ($value as $k =>$v){
if($v != 'on') $str = $str|$v;
}
}
var_dump($str);string(7) "1111111"
$arr = array("net" => array("on", "11", "101", "1001"),
"login" => array("on", "10001","100001","1000001"));delon($arr);
print_r($arr);
function delon(&$arr){
foreach($arr as $key=>&$val){
foreach($val as $k=>$v){
if($v=='on'){
unset($val[$k]);
}
}
}
}
Array
(
[net] => Array
(
[1] => 11
[2] => 101
[3] => 1001
) [login] => Array
(
[1] => 10001
[2] => 100001
[3] => 1000001
))
"login" => array("on","10001","100001","10000001")
);delon($arr);$str ='';
foreach ($arr as $key=>$value){
foreach ($value as $k =>$v){
$str=$str|$v;
}
}
var_dump($str);
function delon(&$arr){
foreach($arr as $key=>&$val){
foreach($val as $k=>$v){
if($v=='on'){
unset($val[$k]);
}
}
}
}string(8) "70001101"