3v4l.org

run code in 300+ PHP versions simultaneously
<?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);

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34.39 ms | 402 KiB | 5 Q