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<?php var_dump(array_unique(array(14, 21, 3, 4, 6, 14, 15, 17, 21, 22, 23, 24), SORT_NUMERIC));
Output for 5.2.9 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 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 - 8.3.6
array(10) { [0]=> int(14) [1]=> int(21) [2]=> int(3) [3]=> int(4) [4]=> int(6) [6]=> int(15) [7]=> int(17) [9]=> int(22) [10]=> int(23) [11]=> int(24) }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.8
Warning: Wrong parameter count for array_unique() in /in/VX6gX on line 3 NULL

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215.11 ms | 402 KiB | 346 Q