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<?php $starting = 0; $arrayOfNumbersToSkip = [1, 3, 4, 5, 6]; $ending = 7; $availableNumbers = array_diff(range($starting+1, $ending), $arrayOfNumbersToSkip); if (!count($availableNumbers)) { echo "no numbers available\n"; } else { echo "first number available = " . array_shift($availableNumbers); } print_r($availableNumbers);
Output for git.master, git.master_jit, rfc.property-hooks
first number available = 2Array ( [0] => 7 )

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