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<?php class Foo { private $a = "foo", $b = null, $c = null, $d = "bar", $e = null; public function echoAllProperties() { foreach ($this as $key=>$value) { if (!empty($value)) echo $key." => ".$value."\n"; } } } $foo = new Foo(); $foo->echoAllProperties();
Output for git.master, git.master_jit, rfc.property-hooks
a => foo d => bar

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