Execute below code that will help you.
$arr_ids = array(array('id'=>10,'group'=> '1'),
array('id'=>20,'group'=> '1'),
array('id'=>30,'group'=> '2'),
array('id'=>40,'group'=> '3'),
array('id'=>50,'group'=> '3'),
array('id'=>60,'group'=> '3'),
array('id'=>70,'group'=> '4'),
);
foreach($arr_ids as $ids)
{
$arr_groups[] = $ids['group'];
}
$count_arr = array_count_values($arr_groups);
print"<pre>";
print_r($arr_groups);
print_r($count_arr);
foreach($count_arr as $group=>$count)
{
echo "Group ".$group." = ".$count."<br>";
}
print"</pre>";
1
solved Total number members in a group [closed]