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PHP array_count_values() Function

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The array_count_values() is an inbuilt function in PHP which is used to count all the values inside an array. In other words we can say that array_count_values() function is used to calculate the frequency of all of the elements of an array. Syntax:
array array_count_values( $array )
Parameters: This function accepts single parameter $array. This parameter is the array for which we need to calculate the count of values present in it. Return Value: This function returns an associative array with key-value pairs in which keys are the elements of the array passed as parameter and values are the frequency of these elements in an array. Note: If the element is not a string or integer then an E_WARNING is thrown. Examples:
Input : array = ("Geeks", "for", "Geeks", "Geeks", "Welcome", "for")
Output : 
        Array
        (
          [Geeks] => 3
          [for] => 2
          [Welcome] => 1
        )

Input : array = (1, 1, 2, 3 , 1 , 2 , 4, 5)
Output :
       Array
       (
         [1] => 3
         [2] => 2
         [3] => 1
         [4] => 1
         [5] => 1
       ) 
Below program illustrates the working of array_count_values() function in PHP:
<?php
  
// PHP code to illustrate the working
// of array_count_values() function
function Counting($array){
    return(array_count_values($array));
}
  
// Driver Code
$array = array("Geeks", "for", "Geeks", "Geeks", "Welcome", "for");
print_r(Counting($array));
  
?>

                    
Output:
Array
(
    [Geeks] => 3
    [for] => 2
    [Welcome] => 1
)
Reference: http://php.net/manual/en/function.array-count-values.php

Last Updated : 20 Jun, 2023
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