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<?php function greatestIndexWhereValueLessThan($haystack, $needle) { foreach ($haystack as $key => $value) { if ($value >= $needle) { break; } } return $key ?? null; } echo greatestIndexWhereValueLessThan([30, 60, 90, 120, 360], 73); echo "\n"; echo greatestIndexWhereValueLessThan([30, 60, 90, 120, 360], 4);
Output for git.master, git.master_jit, rfc.property-hooks
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