Delete array has repeated values

Delete Array has duplicate values
There is a value $a =array (a,b,c) in the original array A;
Compares the value $b =array (b) in array B;

The two phases are compared to get $c= array (a,c);

Excuse me, how does this work?
------Solution--------------------
Cycle judgment or removal
------Solution--------------------
With Array_diff ($array _a, $array _b)
------Solution--------------------
Array_diff, Array subtraction
------Solution--------------------

$a = array (a,b,c);
$b = Array (b);
Print_r (Array_diff ($a, $b));

Array
(
[0] = a
[2] = C
)

------Solution--------------------
Reference:

with Array_diff ($array _a, $array _b)

`
------Solution--------------------
Http://baike.baidu.com/view/4067743.htm
------Solution--------------------
In fact, you mean to find out the middle difference set of 2 arrays, Array_diff () This system function can
------Solution--------------------
The Array_diff () manual has

------Solution--------------------
Reference:

with Array_diff ($array _a, $array _b)

$c = Array_diff ($a, $b);
echo "C = {";
foreach ($c as $key = $value)
{
echo $value. ",";
}
echo "}
\ n ";
------Solution--------------------
Reference:

with Array_diff ($array _a, $array _b)

Read more about the function of the handbook

