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[$k]); } } }}string(8) "70001101" 求助:php可以读取mysql 但不能写入 apache设置虚拟主机 请帮忙把这段小asp程序翻译成php的 xml schema validation php可否实现在线文本转mp3 php能实现j2ee中的过滤器功能吗? 一个简单的数学题 请高手过来,怎么编译php?(但这种方法不行,有那位还有什么其他的方法吗?) 怎样把上传的文件的后缀从整个名字($attachename)中取出? 刚考完三级,心里没底,散分~~~ 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"