Online PHP editor | rfc for P9Nqq

@ 2014-08-28T09:58:02Z

<?php
  


	/**
	* @param string $date format rrrr-mm-dd
	* @return mixed - false or date format d.m.rrrr which really exists
	*/
	 function typicalFormat($date){
		/*$date = explode('-', $date);
		if(count($date) == 3){
			$year = $date[0];
			$date[1] = preg_replace('~^0~', '', $date[1]);
			$date[0] = preg_replace('~^0~', '', $date[2]);
			$date[2] = $year;
			$date = implode('.', $date);*/
				$date = date('j.n.Y', strtotime($date));
			if(existsDate($date, false) == 1){
				return $date;
			}
			return false;
	}

	/**
	* @param string $date format d.m.rrrr
	* @return bool
	* @copyright Jakub Vrána, http://php.vrana.cz/
	*/
	function existsDate($date, $millenium = true){
		$millenium = ($millenium) ? '4' : '1,';
		return preg_match('~^([1-9]|19|[12][0-8]|29(?=\\.([^2]|2\\.(([02468][048]|[13579][26])00|[0-9]{2}(0[48]|[2468][048]|[13579][26]))))|30(?=\\.[^2])|31(?=\\.([13578][02]?\\.)))\\.([1-9]|1[012])\\.[0-9]{'.$millenium.'}$~D', $date);
	}



var_dump(typicalFormat('999-02-05')); die();

Output for git.master, git.master_jit, rfc.property-hooks: string(8) "5.2.0999"

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2020-03-21 RFC: Is_Literal - declined
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