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<?php $arr = [ 'foo', 'foo', 'bar', 'baZ', 'baz', 'fÖo', 'foeo' ]; $collator = new Collator('de'); $collator->setStrength(Collator::PRIMARY); $arr2 = []; foreach ($arr as $v) { foreach ($arr2 as $v2) { if ($collator->compare($v, $v2) === 0) { continue 2; } } $arr2[] = $v; } var_dump($arr2);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(4) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baZ" [3]=> string(4) "foeo" }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(4) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baZ" [3]=> string(4) "foeo" }
Output for 8.0.13
Fatal error: Uncaught Error: Class "Collator" not found in /in/1U4hf:13 Stack trace: #0 {main} thrown in /in/1U4hf on line 13
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.33
Fatal error: Uncaught Error: Class 'Collator' not found in /in/1U4hf:13 Stack trace: #0 {main} thrown in /in/1U4hf on line 13
Process exited with code 255.
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