Check for same Array values

Question

I want to check in a single statement, if the contents of array are same or not. This is actually a challenge for me, but I am not able to check for the uniqueness of the values inside an array.

Also I want to make sure that the values are same as, say "S". Example array:

$myArray = array("S", "S", "S");  // true
$myArray = array("S", "S", "s");  // false

Is it possible using a single statement? Thanks in advance.

Yes, possible with array_count_values. Is this what you are looking for? — Praveen Kumar Purushothaman
– Praveen Kumar Purushothaman, Commented Jan 28, 2016 at 11:35
There are many ways. i think you did not do any efforts to solve this. — Monty Khanna
– Monty Khanna, Commented Jan 28, 2016 at 11:37

Praveen Kumar Purushothaman · Accepted Answer · 2016-01-28 11:58:18Z

2

Yes, possible with array_count_values. Is this what you are looking for?

The function array_count_values() will count the number of unique values in the array. If you get the count of it to be 1, it is then unique like you said.

count(array_count_values($myArray)) == 1

Also, you can check one of the array values to be whatever value you wanted to check.

$myArray[0] == "S"

So combining these two in a single condition:

count(array_count_values($myArray)) == 1 && $myArray[0] == "S"

This will return true or false.

Full Working Code

<?php
    // Let's have two arrays.
    $myArray1 = array("S", "S", "S");  // Should return true
    $myArray2 = array("S", "S", "s");  // Should return false

    // Our function
    function checkArray($theArray, $value) {
      return count(array_count_values($myArray)) == 1 && $myArray[0] == $value;
    }

    // Checks
    checkArray($myArray1, "S"); // true
    checkArray($myArray2, "s"); // false

edited Jan 28, 2016 at 11:58

answered Jan 28, 2016 at 11:37

Praveen Kumar Purushothaman

167k27 gold badges215 silver badges261 bronze badges

Sign up to request clarification or add additional context in comments.

6 Comments

John Blake Over a year ago

This is exactly what I wanted, minus the function. Thanks a lot.

Praveen Kumar Purushothaman Over a year ago

@JohnBlake Woah.. Awesome... Glad to help. Welcome! :)

deceze Over a year ago

Why $myArray[1]!? What about arrays containing only one element?

Praveen Kumar Purushothaman Over a year ago

@deceze LoL. My bad. :P Wanted it to be fancy! :P

Praveen Kumar Purushothaman Over a year ago

@bpoiss The idea is to check all elements of array are same. So, if there are no elements, the first condition fails. My code works. :) Basically there should be at least one element to make the array look good. Right?

|

Collectives™ on Stack Overflow

Check for same Array values

1 Answer 1

6 Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

6 Comments

Your Answer

Sign up or log in

Post as a guest

Related