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<?php $array = array( 'foo' => null, 'bar' => '', 'baz' => FALSE, ); echo 'foo: ' . (string) isset($array['foo']); echo "\n"; echo 'bar: ' . (string) isset($array['bar']); echo "\n"; echo 'baz: ' . (string) isset($array['baz']); echo "\n"; echo 'fizz: ' . (string) isset($array['fizz']);
Output for git.master, git.master_jit, rfc.property-hooks
foo: bar: 1 baz: 1 fizz:

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