- var_dump: documentation ( source)
<?php
$arr = [
'foo',
'foo',
'bar',
'baZ',
'baz',
'fÖo'
];
$collator = new Collator('en');
$collator->setStrength(Collator::PRIMARY);
$arr2 = [];
foreach ($arr as $v) {
foreach ($arr2 as $v) {
if ($collator->compare($v, $v2) === 0) {
continue 2;
}
}
$arr2[] = $v;
}
var_dump($arr2);