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<?php function join_words($words) { $return = []; for ($i=0; $i < count($words); $i++) { $return[] = implode(' ', array_slice($words, 0, $i+1)); } return $return; } $words = ['THIS', 'IS', 'AN', 'EXAMPLE']; $result = []; $result = array_merge($result, array_reverse(join_words($words))); $result = array_merge($result, array_reverse(join_words(array_reverse($words)))); print_r($result);
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Array ( [0] => THIS IS AN EXAMPLE [1] => THIS IS AN [2] => THIS IS [3] => THIS [4] => EXAMPLE AN IS THIS [5] => EXAMPLE AN IS [6] => EXAMPLE AN [7] => EXAMPLE )
preferences:
107.2 ms | 1418 KiB | 4 Q