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<?php $arr1 = ['one', 'two', 'three']; $arr2 = ['three', 'four']; $arr3 = ['two', 'five', 'six', 'seven']; print_r( array_unique( $arr1 + $arr2 + $arr3) );
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 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 ( [0] => one [1] => two [2] => three [3] => seven )
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] => one [1] => two [2] => three [3] => seven )

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169.61 ms | 402 KiB | 171 Q