1, requirements: Have the following two-dimensional array, how to remove the field of this array "on" to generate a new array $arr 2
$arr = Array ("net" = = Array ("On", "11", "101", "1001"),
"Login" = = Array ("On", "10001", "100001", "1000001"));
$arr 2 = Array ("net" = = Array ("11", "101", "1001"),
"Login" = = Array ("10001", "100001", "1000001"));
Or go through the time to remove on.
2, can achieve this effect can also
$arr = Array ("net" = = Array ("On", "1", "2", "4"),
"Login" = = Array ("On", "10001", "100001", "10000001")
);
$str = ";
foreach ($arr as $key = = $value) {
foreach ($value as $k = = $v) {
$str = $str | $v;
}
}
Var_dump ($STR);
After the value operation, the number or operation gets the value $str, "On" this field is not able to participate in the operation
Reply to discussion (solution)
1, so remove
$arr = Array ("net" = = Array ( "on", "one", "101", "1001"), "Login" = = Array ("On", "10001", "100001", "1000001" ); Array_walk ($arr, function (& $t) { $t = Array_diff ($t, Array (' on '));}); Print_r ($arr);
Array ( [NET] = = Array ( [1] = = [ 2] = = 101 [3] = = 1001 ) [Login] = array< c10/> ( [1] = 10001 [2] = 100001 [3] = 1000001 ))
2. Such arithmetic
$arr = Array ("net" = = Array ( "on", "one", "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"
$arr = Array ("net" = = Array ("On", "one", "101", "1001"), "Login" = = Array ("On", "10001", "100001", "1000001")); Delon ($arr);p Rint_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
)
)
Okay, grey, thank you very much.
2
$arr = Array ("net" = = Array ("On", "1", "2", "4"), "login" + = Array ("On", "10001", "100001", "10000001"));d Elon ($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"