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<?php $a = range(3, 9); foreach ($a as $b) { switch($b) { case 3: $b = 7; case 7: $b = 3; default: // do nothing } } echo implode('-', $a) . PHP_EOL; $a = range(3, 9); foreach ($a as $key => $b) { switch($b) { case 3: $a[$key] = 7; case 7: $a[$key] = 3; default: // do nothing } } echo implode('-', $a) . PHP_EOL; $a = range(3, 9); foreach ($a as &$b) { switch($b) { case 3: $b = 7; case 7: $b = 3; default: // do nothing } } echo implode('-', $a) . PHP_EOL;
Output for git.master, git.master_jit, rfc.property-hooks
3-4-5-6-7-8-9 3-4-5-6-3-8-9 3-4-5-6-3-8-9

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