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<?php function foo() {} function bar() {return null;} $x=foo(); $y=bar(); echo gettype($x)."\n"; echo gettype($y)."\n"; echo isset($x)?"true\n":"false\n"; echo isset($y)?"true\n":"false\n"; echo is_null($x)?"true\n":"false\n"; echo is_null($y)?"true\n":"false\n";
Output for git.master, git.master_jit, rfc.property-hooks
NULL NULL false false true true

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