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<?php print_r(ordered_combinations(Array("one", "two", "three", "four"))); function ordered_combinations($array){ if(is_array($array)){ while(count($array) > 0){ foreach($array as $element){ $string = $string . " " . $element; $output[] = $string; } $string = ""; array_shift($array); } return $output; } }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $string in /in/iTQmF on line 9 Array ( [0] => one [1] => one two [2] => one two three [3] => one two three four [4] => two [5] => two three [6] => two three four [7] => three [8] => three four [9] => four )
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: string in /in/iTQmF on line 9 Array ( [0] => one [1] => one two [2] => one two three [3] => one two three four [4] => two [5] => two three [6] => two three four [7] => three [8] => three four [9] => four )
Output for 7.3.32 - 7.3.33
Array ( [0] => one [1] => one two [2] => one two three [3] => one two three four [4] => two [5] => two three [6] => two three four [7] => three [8] => three four [9] => four )
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: string in /in/iTQmF on line 9 Array ( [0] => one [1] => one two [2] => one two three [3] => one two three four [4] => two [5] => two three [6] => two three four [7] => three [8] => three four [9] => four )

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