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<?php const PERMANENT = -1; function mergeMaxAges() { $max_ages = func_get_args(); $min = FALSE; foreach ($max_ages as $age) { if ($age !== PERMANENT && ($min === FALSE || $age < $min)) { $min = $age; } } return $min !== FALSE ? $min : PERMANENT; } for ($i = 0; $i < 10000; $i++) { mergeMaxAges(0, 60); mergeMaxAges(0, 0); mergeMaxAges(0, PERMANENT); mergeMaxAges(PERMANENT, 60); mergeMaxAges(PERMANENT, PERMANENT); }
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