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<?php $array1 = array('A', 'B'); $array2 = array('1', '2', '3'); $num = count($array2); //The total number of possible combinations $total = pow(2, $num); $temp = array(); //Loop through each possible combination for ($i = 0; $i < $total; $i++) { //For each combination check if each bit is set for ($j = 0; $j < $num; $j++) { //Is bit $j set in $i? if (pow(2, $j) & $i) $temp[] = $words[$j]; } } print_r($temp);
Output for 8.3.0 - 8.3.6
Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on null in /in/lGIRl on line 17 Array ( [0] => [1] => [2] => [3] => [4] => [5] => [6] => [7] => [8] => [9] => [10] => [11] => )
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on value of type null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on value of type null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on value of type null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on value of type null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on value of type null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on value of type null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on value of type null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on value of type null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on value of type null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on value of type null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on value of type null in /in/lGIRl on line 17 Warning: Undefined variable $words in /in/lGIRl on line 17 Warning: Trying to access array offset on value of type null in /in/lGIRl on line 17 Array ( [0] => [1] => [2] => [3] => [4] => [5] => [6] => [7] => [8] => [9] => [10] => [11] => )
Output for 7.4.0 - 7.4.33
Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Trying to access array offset on value of type null in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Trying to access array offset on value of type null in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Trying to access array offset on value of type null in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Trying to access array offset on value of type null in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Trying to access array offset on value of type null in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Trying to access array offset on value of type null in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Trying to access array offset on value of type null in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Trying to access array offset on value of type null in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Trying to access array offset on value of type null in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Trying to access array offset on value of type null in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Trying to access array offset on value of type null in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Trying to access array offset on value of type null in /in/lGIRl on line 17 Array ( [0] => [1] => [2] => [3] => [4] => [5] => [6] => [7] => [8] => [9] => [10] => [11] => )
Output for 7.3.32 - 7.3.33
Array ( [0] => [1] => [2] => [3] => [4] => [5] => [6] => [7] => [8] => [9] => [10] => [11] => )
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Array ( [0] => [1] => [2] => [3] => [4] => [5] => [6] => [7] => [8] => [9] => [10] => [11] => )
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Notice: Undefined variable: words in /in/lGIRl on line 17 Array ( [0] => [1] => [2] => [3] => [4] => [5] => [6] => [7] => [8] => [9] => [10] => [11] => )
preferences:
316.14 ms | 403 KiB | 459 Q