PHP array_count_values() Function

PHP array_count_values() Function


Hello folks! welcome back to a new section of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP array_count_values() Function.

The built-in array_count_values() function in PHP returns an associative array of values using values of the input array as keys and their frequency in input array as values.

Syntax

Following below is the syntax to use this function -

array array_count_values ( array $input );


Parameter Details

Sr.NoParameter & Description
1

input (mandatory)

The input array of values to count


Return Value

This built-in function returns an associative array of values from input as keys and their count as values.

PHP Version

This function was first lunched as part of core PHP v 4.0.0.

Errors/Exceptions

This function will throw an E_WARNING for every element that is not a string or integer.

Example1

Try the following example below -

<?php
   $input = array("orange", "mango", "banana", "orange", "banana" );
   print_r(array_count_values($input));
?>

Output

When the above code is executed, it will produce the following result -

Array
(
    [orange] => 2
    [mango] => 1
    [banana] => 2
)

Example2

Try the following example below with all integer values -

<?php
   $input = array(10, 15, 30, 15, 10);
   print_r(array_count_values($input));
?>

Output

When the above code is executed, it will produce the following result -

Array
(
    [10] => 2
    [15] => 2
    [30] => 1
)


Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about PHP array_diff() Function.

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