• The PHP array_count_values() function is used to count the elements in the array.
• It returns the number of counting with values in associative array form.
• In returned array, key is the array's values and values are the number of occurrences.

<?php
    $ar=array(1=>"aaa",2=>"bbb",3=>"ccc",4=>"ddd",5=>"aaa",6=>"bbb",7=>"ggg");
    $arr=array_count_values($ar);
    foreach ($arr as $key=>$val)
      print_r($arr);
    echo "<br>key $key value $val";
?>
    Output

    Array ( [aaa] => 2 [bbb] => 2 [ccc] => 1 [ddd] => 1 [ggg] => 1 )
    key aaa value 2
    key bbb value 2
    key ccc value 1
    key ddd value 1
    key ggg value 1

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