<?php
function valueSeparator(array $array) {
$maxIterations = count($array);
$counted = array_count_values($array);
arsort($counted);
$iteration = 0;
$result = [];
while (max($counted) > 1 && $iteration < $maxIterations) {
$count = reset($counted);
$value = key($counted);
$result[] = $value;
unset($counted[$value]);
arsort($counted);
if ($count > 1) {
$counted = array_merge(
array_splice($counted, 0, 1),
[$value => $count - 1],
$counted
);
}
++$iteration;
}
array_push($result, ...array_keys($counted));
var_export($result);
}
$arrays = [
['Retail', 'Retail', 'Food', 'Food', 'Retail'],
['Retail', 'Retail', 'Food', 'Charity', 'Entertainment', 'Entertainment', 'Transport', 'Cosmetics'],
['Food'],
['Retail', 'Retail', 'Food', 'Retail'],
['Retail', 'Retail', 'Retail', 'Food', 'Food', 'Food', 'Charity', 'Charity', 'Charity'],
['Charity', 'Entertainment', 'Retail', 'Retail' ,'Retail']
];
foreach ($arrays as $array) {
valueSeparator($array);
echo "\n---\n";
}
preferences:
48.67 ms | 402 KiB | 5 Q