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<?php function test1($unset = false) { static $bar = 'test1'; echo $bar; if ($unset) { unset($bar); } } function test2($unset = false) { global $bar; if (!isset($bar)) { $bar = 'test2'; } echo $bar; if ($unset) { unset($bar); } } test1(); test1(); test1(true); test1(); test2(); test2(); test2(true); test2();
Output for git.master, git.master_jit, rfc.property-hooks
test1test1test1test1test2test2test2test2

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