PHP array_count_values() Function

PHP array_count_values() Function

The array_count_values() function in PHP counts all the values present in the specified array and returns an array using the values of the array as keys and their frequency in the array as values.

Syntax

array_count_values ( array $array )

Parameter

array(required)- This parameter represents the array of values to count.

Return

This function returns an array using the values of the array as keys and their count as values.

Errors/Exception

This function throws E_WARNING for every element which is not string or integer.

Example 1

Output

Array
 (
     [PHP] => 3
     [Java] => 2
     [Python] => 3
     [C#] => 1
 ) 

Example 2

Output

Array
 (
     [1] => 3
     [hello] => 2
     [world] => 1
     [PHP] => 1
 ) 

Example 3

Output

Array
 (
     [Reema] => 3
     [Tina] => 1
     [Bikash] => 3
 ) 

Example 4

Output

PHP Warning:  array_count_values(): Can only count STRING
and INTEGER values! in /workspace/Main.php on line 5
PHP Warning:  array_count_values(): Can only count STRING and INTEGER values! in /workspace/Main.php on line 5
PHP Warning:  array_count_values(): Can only count STRING and INTEGER values! in /workspace/Main.php on line 5