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<?php $array = array( 0 => 110, 1 => 111, 2 => 112, 3 => 113, 4 => 109, 5 => 114, 6 => 115, 7 => 116, 8 => 117, 9 => 118, 10 => 120, 11 => 119, 12 => 121, 13 => 122, 14 => 123, 15 => 124, 16 => 125, 17 => 163, 18 => 164, 19 => 165, 20 => 166, 21 => 167, 22 => 168, 23 => 126, 24 => 127, 25 => 128, 26 => 129, 27 => 130, 28 => 131, 29 => 132, 30 => 149, 31 => 150 ); function mapArrayToBin(array $values) { $bin_value = 0; if (is_array($values)) { foreach (array_keys($values) as $val) { $bin_value += (1 << ($val - 1)); } } return $bin_value; } var_dump(mapArrayToBin($array));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArithmeticError: Bit shift by negative number in /in/8cI7h:13 Stack trace: #0 /in/8cI7h(20): mapArrayToBin(Array) #1 {main} thrown in /in/8cI7h on line 13
Process exited with code 255.

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