php将日期格式转换成xx天前的格式

0) { $c[$p[$w]] += $c[$p[$w-1]] * $factor[$w]; $d[$p[$w]] += $d[$p[$w-1]] * $factor[$w]; } if ($c[$p[$w]] - $d[$p[$w]] > 1) { return ($c[$p[$w]] - $d[$p[$w]]).' '.$display[$w].'s ago'; } } return ''; } // you can replace this if need be. // This converts my dates returned from a mysql date string // into an array object similar to that returned by getdate(). function datetoarr($d) { preg_match("/([0-9]{4})(-)([0-9]{2})(-)([0-9]{2})([0-9]{2})(:)([0-9]{2})(:)([0-9]{2})/",$d,$matches); return array( 'seconds' => $matches[10],'minutes' => $matches[8],'hours' => $matches[6],'mday' => $matches[5],'mon' => $matches[3],'year' => $matches[1],); }