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<?php $str = '1-string-2-string-3-string-55-otherstring-66-otherstring'; print_r(implode('-', array_reverse(array_unique(array_reverse(explode('-', $str))))));
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.13
1-2-3-string-55-66-otherstring
preferences:
153.65 ms | 407 KiB | 5 Q