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<?php function BinSearch($needle, $haystack){ (int) $m = ceil(count($haystack) / 2); $midpoint = $haystack[$m]; $lower_half = array_slice($haystack, 0, $m); $upper_half = array_slice($haystack, -$m, count($haystack)); if ($needle == $midpoint){ return $haystack[$needle]; } else if ($needle < $midpoint) { return BinSearch($needle, $lower_half); } else if ($needle > $midpoint) { return BinSearch($needle, $upper_half); } } $x = range(0,9999); BinSearch(8273,$x);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key 8273 in /in/WNd1u on line 11

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