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<?php $array = [4, 3.1, 4, false, 3.2, 1, 2, 1]; $result = []; foreach ($array as $index => $value) { foreach ($array as $i => $v) { if ($value === $v && $index !== $i) { continue 2; // duplicate found, stop checking this value; do not retain } } $result[] = $value; } var_export($result);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => 3.1, 1 => false, 2 => 3.2, 3 => 2, )

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