PHP implementation method of getting the most repeated elements in an array, php array
The example in this article describes the implementation method of PHP to obtain the most repeated elements in an array. Share it with everyone for your reference. The specific method is as follows:
Copy code The code is as follows:
/**
*
* Created on 2014-4-1
* @param array $array
* @param int [optional] $length
* @return array
*/
function mostRepeatedValues($array,$length=0){
If(emptyempty($array) or !is_array($array)){
return false;
}
//1. Calculate the repeated values of the array
$array = array_count_values($array);
//2. Sort in reverse order based on duplicate values
arsort($array);
If($length>0){
//3. Return the previous $length repeated value
$array = array_slice($array, 0, $length, true);
}
Return $array;
}
$array = array(1, 1, 1, 54, 3,4, 3,4, 3, 14, 3,4, 3,7,8,9,12,45,66,5,7,8,9 ,2,45);
$counts=mostRepeatedValues($array,5);
print_r($counts);
/*The output result is:
Array
(
[3] => 5
[4] => 3
[1] => 3
[9] => 2
[45] => 2
)
*/
?>
I hope this article will be helpful to everyone’s PHP programming design.
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