php count unique values in array code example
Example 1: array_unique
<?php
$input = array("a" => "green", "red", "b" => "green", "blue", "red");
$result = array_unique($input);
print_r($result);
?>
Array
(
[a] => green
[0] => red
[1] => blue
)
Example 2: php count amount of times a value appears in array
$tmp = array_count_values($uid);
$cnt = $tmp[12];
//Or
$cnt = count(array_filter($uid,function($a) {return $a==12;}));
//In both cases $var will be a number