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<?php $array = [ 8 => [ 'Blue', 'Red', 'Pink' ], 2 => [ 'S', 'M' ] ]; $combinations = [[]]; $comKeys = array_keys($data); for ($count = 0; $count < count($comKeys); $count++) { $tmp = []; foreach ($combinations as $v1) { foreach ($data[$comKeys[$count]] as $v2) $tmp[] = $v1 + [$comKeys[$count] => $v2]; } $combinations = $tmp; } print_r($combinations);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $data in /in/nMJWN on line 16 Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, null given in /in/nMJWN:16 Stack trace: #0 /in/nMJWN(16): array_keys(NULL) #1 {main} thrown in /in/nMJWN on line 16
Process exited with code 255.

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