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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 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.4, 8.3.6 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 0 => 3.1, 1 => false, 2 => 3.2, 3 => 2, )
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 ( 0 => 3.1, 1 => false, 2 => 3.2, 3 => 2, )
preferences:
103.66 ms | 1393 KiB | 4 Q