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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:
Output:
Array [ [Geeks] => 3 [for] => 2 [Welcome] => 1 ]
Reference: //php.net/manual/en/function.array-count-values.php
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In this article we will discuss about array_count_values[]function in PHP
The array_count_values[] function 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 a 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 parameters and values are the frequency of these elements in an array.
Example: PHP Program to count values in an array.
PHP
Output
Array [ [Python] => 1 => 1 => 1 => 1 ]
Example 2:
PHP
Output
Array [ [Python] => 1 => 2 => 2 => 2 [R programming] => 1 ]