I have a question about arrays.
I have made an array of id's.
The array looks a little like this.
$iIds[0] = 12
$iIds[1] = 24
$iIds[2] = 25
$iIds[3] = 25
$iIds[4] = 25
$iIds[5] = 30
Now i need code to see if any of the values are in the array multiple times. Then, if the value is in the array 3 times, inject the value into another array.
I tried using array_count_values() , but it returns with the values as keys.
Can anyone help me with this?
$iIds[0] = 12
$iIds[1] = 24
$iIds[2] = 25
$iIds[3] = 25
$iIds[4] = 25
$iIds[5] = 30
$counts = array_count_values($iIds);
$present_3_times = array();
foreach($counts as $v=>$count){
if($count==3)//Present 3 times
$present_3_times[] = $v;
}
flip the array back to how you want it
$cnt = array_count_values($iIds);
$filtered = array_filter( $cnt, create_function('$x', 'return $x == 3;'));
$final = array_flip($filtered);
or
array_flip(array_filter( array_count_values($iIds), create_function('$x', 'return $x == 3;')));
See: http://codepad.org/WLaCs5Pe
Edit
If there are chance of multiple values in the final array, i would recommend instead of flipping the filtered array, just use array_keys, so it would become:
$cnt = array_count_values($iIds);
$filtered = array_filter( $cnt, create_function('$x', 'return $x == 3;'));
$final = array_keys($filtered);
For create array unique use array_unique php function and then for rearrange keys of array use array_values php function as given below.
$iIds[0] = 12 ;
$iIds[1] = 24 ;
$iIds[2] = 25 ;
$iIds[3] = 25 ;
$iIds[4] = 25 ;
$iIds[5] = 30 ;
$unique_arr = array_unique($iIds);
$unique_array = array_values($unique_arr);
print_r($unique_array);
For getting an array of values are come 3 time in array as duplicate value
$iIds[0] = 12 ;
$iIds[1] = 24 ;
$iIds[2] = 25 ;
$iIds[3] = 25 ;
$iIds[4] = 25 ;
$iIds[5] = 30 ;
$arr = array_count_values($iIds);
$now_arr = array();
foreach($arr AS $val=>$count){
if($count == 3){
$now_arr[] = $val;
}
}
print_r($now_arr);
thanks
