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<?php function testDateFormat($input) { $date = DateTime::createFromFormat('Y-m-d', $input); if($date) { return $date->format("Y-m-d"); } else { return "Invalid format"; } } echo testDateFormat("2014-5-5") . "\n"; echo testDateFormat("2014-5") . "\n"; echo testDateFormat("2014") . "\n";
Output for git.master, git.master_jit, rfc.property-hooks
2014-05-05 Invalid format Invalid format

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