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<?php $strs = array('', 'test', new stdClass(), 1234, 'false', 'true', true, false, null); foreach ($strs as $str) { var_dump($str ?: null); var_dump(!empty($str) ? $str : null); }
Output for git.master, git.master_jit, rfc.property-hooks
NULL NULL string(4) "test" string(4) "test" object(stdClass)#1 (0) { } object(stdClass)#1 (0) { } int(1234) int(1234) string(5) "false" string(5) "false" string(4) "true" string(4) "true" bool(true) bool(true) NULL NULL NULL NULL

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