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<?php $array = [ "QLogic BCM57810 10 Gigabit Ethernet (NDIS VBD Client)", "Microsoft Network Adapter Multiplexor Driver", "Microsoft Network Adapter Multiplexor Driver Simplified", "QLogic BCM57810 10 Gigabit Ethernet (NDIS VBD Client) #75", "QLogic BCM57810 10 Gigabit Ethernet (NDIS VBD Client)", "Microsoft Network Adapter Multiplexor Driver", "QLogic BCM57810 10 Gigabit Ethernet (NDIS VBD Client)", "QLogic BCM57810 10 Gigabit Ethernet (NDIS VBD Client)", ]; $lookup = []; foreach (array_count_values($array) as $value => $count) { if ($count > 1) { $lookup[$value] = 0; } } foreach ($array as &$value) { $value .= (isset($lookup[$value]) ? "_" . ++$lookup[$value] : ''); } var_export($array);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => 'QLogic BCM57810 10 Gigabit Ethernet (NDIS VBD Client)_1', 1 => 'Microsoft Network Adapter Multiplexor Driver_1', 2 => 'Microsoft Network Adapter Multiplexor Driver Simplified', 3 => 'QLogic BCM57810 10 Gigabit Ethernet (NDIS VBD Client) #75', 4 => 'QLogic BCM57810 10 Gigabit Ethernet (NDIS VBD Client)_2', 5 => 'Microsoft Network Adapter Multiplexor Driver_2', 6 => 'QLogic BCM57810 10 Gigabit Ethernet (NDIS VBD Client)_3', 7 => 'QLogic BCM57810 10 Gigabit Ethernet (NDIS VBD Client)_4', )

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