PHP get the item in an array that has the most duplicates

Question

I have an array of strings and I am looking for a way to find the most common string in the array.

$stuff = array('orange','banana', 'apples','orange');

I would want to see orange.

<nitpick>array( ... );, not { ... }</nitpick> :P

BoltClock
– BoltClock

2010-12-05 16:16:34 +00:00
Commented Dec 5, 2010 at 16:16 — BoltClock
– BoltClock, Commented Dec 5, 2010 at 16:16

user187291 · Accepted Answer · 2010-12-05 16:26:46Z

41

$c = array_count_values($stuff); 
$val = array_search(max($c), $c);

answered Dec 5, 2010 at 16:26

user187291

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shamittomar · Accepted Answer · 2010-12-05 17:15:50Z

10

Use array_count_values and get the key of the item:

<?php
$stuff = array('orange','banana', 'apples','orange', 'xxxxxxx');

$result = array_count_values($stuff);
asort($result);
end($result);
$answer = key($result);

echo $answer;
?>

Output:

orange

edited Dec 5, 2010 at 17:15

answered Dec 5, 2010 at 16:16

shamittomar

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2 Comments

BoltClock Over a year ago

Nice, bear in mind due to unstable sort it's unpredictable if multiple elements have the same highest frequency in the array.

Gigala Over a year ago

you can also do array_slice() after doing arsort() if you want the top 5 results for example

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