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<?php $str = "800"; function getCombinations($array) { //initalize array $results = [[]]; //get all combinations foreach ($array as $k => $element) { foreach ($results as $combination) $results[] = $combination + [$k => $element]; } //return filtered array return array_values(array_filter($results)); } $arr = getCombinations(str_split($str, "")); foreach($arr as $v) echo implode(" ", $v) . "<br />";
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught TypeError: str_split(): Argument #2 ($length) must be of type int, string given in /in/h0TBV:23 Stack trace: #0 /in/h0TBV(23): str_split('800', '') #1 {main} thrown in /in/h0TBV on line 23
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught TypeError: str_split(): Argument #2 ($length) must be of type int, string given in /in/h0TBV:23 Stack trace: #0 /in/h0TBV(23): str_split('800', '') #1 {main} thrown in /in/h0TBV on line 23
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: str_split() expects parameter 2 to be int, string given in /in/h0TBV on line 23 Warning: Invalid argument supplied for foreach() in /in/h0TBV on line 12
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Warning: str_split() expects parameter 2 to be integer, string given in /in/h0TBV on line 23 Warning: Invalid argument supplied for foreach() in /in/h0TBV on line 12
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Warning: str_split() expects parameter 2 to be long, string given in /in/h0TBV on line 23 Warning: Invalid argument supplied for foreach() in /in/h0TBV on line 12
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192.63 ms | 402 KiB | 330 Q