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<?php $arr = [ 'b1' => '0000', 'b2' => '1010', 'b3' => '1011', 'b4' => '1101', ]; $arr = array_values($arr); // turn into indexed array $bits = strlen($arr[0]); // get length (# bits) $response = []; for ($i = 0; $i < $bits; $i++) { foreach ($arr as $value) { $response[$i][] = $value[$i]; // store } } print_r($response);
Output for 7.3.0 - 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 - 8.3.4, 8.3.6 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Array ( [0] => Array ( [0] => 0 [1] => 1 [2] => 1 [3] => 1 ) [1] => Array ( [0] => 0 [1] => 0 [2] => 0 [3] => 1 ) [2] => Array ( [0] => 0 [1] => 1 [2] => 1 [3] => 0 ) [3] => Array ( [0] => 0 [1] => 0 [2] => 1 [3] => 1 ) )
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 Array ( [0] => Array ( [0] => 0 [1] => 1 [2] => 1 [3] => 1 ) [1] => Array ( [0] => 0 [1] => 0 [2] => 0 [3] => 1 ) [2] => Array ( [0] => 0 [1] => 1 [2] => 1 [3] => 0 ) [3] => Array ( [0] => 0 [1] => 0 [2] => 1 [3] => 1 ) )

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117.71 ms | 1501 KiB | 4 Q