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Diffstat (limited to 'lib/prado/framework/Util/TDateTimeStamp.php')
| -rw-r--r-- | lib/prado/framework/Util/TDateTimeStamp.php | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/lib/prado/framework/Util/TDateTimeStamp.php b/lib/prado/framework/Util/TDateTimeStamp.php new file mode 100644 index 0000000..2bc2a9f --- /dev/null +++ b/lib/prado/framework/Util/TDateTimeStamp.php @@ -0,0 +1,202 @@ +<?php +/** + * TDateTimeStamp class file. + + * @author Fabio Bas ctrlaltca[AT]gmail[DOT]com + * @link https://github.com/pradosoft/prado + * @copyright Copyright © 2005-2015 The PRADO Group + * @license https://github.com/pradosoft/prado/blob/master/COPYRIGHT + * @package System.Util + */ + +/** + * TDateTimeStamp Class + * + * TDateTimeStamp Class is a wrapper to DateTime: http://php.net/manual/book.datetime.php + * Prado implemented this class before php started shipping the DateTime extension. + * This class is deprecated and left here only for compatibility for legacy code. + * Please note that this class doesn't support automatic conversion from gregorian to + * julian dates anymore. + * + * @author Fabio Bas ctrlaltca[AT]gmail[DOT]com + * @package System.Util + * @since 3.0.4 + * @deprecated since 3.2.1 + */ +class TDateTimeStamp +{ + protected static $_month_normal = array("",31,28,31,30,31,30,31,31,30,31,30,31); + protected static $_month_leaf = array("",31,29,31,30,31,30,31,31,30,31,30,31); + + /** + * Returns the day of the week (0=Sunday, 1=Monday, .. 6=Saturday) + * @param int year + * @param int month + * @param int day + */ + public function getDayofWeek($year, $month, $day) + { + $dt = new DateTime(); + $dt->setDate($year, $month, $day); + return (int) $dt->format('w'); + } + + /** + * Checks for leap year, returns true if it is. No 2-digit year check. Also + * handles julian calendar correctly. + * @param float year to check + * @return boolean true if is leap year + */ + public function isLeapYear($year) + { + $year = $this->digitCheck($year); + $dt = new DateTime(); + $dt->setDate($year, 1, 1); + return (bool) $dt->format('L'); + } + + /** + * Fix 2-digit years. Works for any century. + * Assumes that if 2-digit is more than 30 years in future, then previous century. + * @return integer change two digit year into multiple digits + */ + protected function digitCheck($y) + { + if ($y < 100){ + $yr = (integer) date("Y"); + $century = (integer) ($yr /100); + + if ($yr%100 > 50) { + $c1 = $century + 1; + $c0 = $century; + } else { + $c1 = $century; + $c0 = $century - 1; + } + $c1 *= 100; + // if 2-digit year is less than 30 years in future, set it to this century + // otherwise if more than 30 years in future, then we set 2-digit year to the prev century. + if (($y + $c1) < $yr+30) $y = $y + $c1; + else $y = $y + $c0*100; + } + return $y; + } + + public function get4DigitYear($y) + { + return $this->digitCheck($y); + } + + /** + * @return integer get local time zone offset from GMT + */ + public function getGMTDiff($ts=false) + { + $dt = new DateTime(); + if($ts) + $dt->setTimeStamp($ts); + else + $dt->setDate(1970, 1, 2); + + return (int) $dt->format('Z'); + } + + /** + * @return array an array with date info. + */ + function parseDate($txt=false) + { + if ($txt === false) return getdate(); + + $dt = new DateTime($txt); + + return array( + 'seconds' => (int) $dt->format('s'), + 'minutes' => (int) $dt->format('i'), + 'hours' => (int) $dt->format('G'), + 'mday' => (int) $dt->format('j'), + 'wday' => (int) $dt->format('w'), + 'mon' => (int) $dt->format('n'), + 'year' => (int) $dt->format('Y'), + 'yday' => (int) $dt->format('z'), + 'weekday' => $dt->format('l'), + 'month' => $dt->format('F'), + 0 => (int) $dt->format('U'), + ); + } + + /** + * @return array an array with date info. + */ + function getDate($d=false,$fast=false) + { + if ($d === false) return getdate(); + + $dt = new DateTime(); + $dt->setTimestamp($d); + + return array( + 'seconds' => (int) $dt->format('s'), + 'minutes' => (int) $dt->format('i'), + 'hours' => (int) $dt->format('G'), + 'mday' => (int) $dt->format('j'), + 'wday' => (int) $dt->format('w'), + 'mon' => (int) $dt->format('n'), + 'year' => (int) $dt->format('Y'), + 'yday' => (int) $dt->format('z'), + 'weekday' => $dt->format('l'), + 'month' => $dt->format('F'), + 0 => (int) $dt->format('U'), + ); + } + + /** + * @return boolean true if valid date, semantic check only. + */ + public function isValidDate($y,$m,$d) + { + if ($this->isLeapYear($y)) + $marr =& self::$_month_leaf; + else + $marr =& self::$_month_normal; + + if ($m > 12 || $m < 1) return false; + + if ($d > 31 || $d < 1) return false; + + if ($marr[$m] < $d) return false; + + if ($y < 1000 && $y > 3000) return false; + + return true; + } + + /** + * @return string formatted date based on timestamp $d + */ + function formatDate($fmt,$ts=false,$is_gmt=false) + { + $dt = new DateTime(); + if($is_gmt) + $dt->setTimeZone(new DateTimeZone('UTC')); + $dt->setTimestamp($ts); + + return $dt->format($fmt); + } + + /** + * @return integer|float a timestamp given a local time + */ + function getTimeStamp($hr,$min,$sec,$mon=false,$day=false,$year=false,$is_gmt=false) + { + $dt = new DateTime(); + if($is_gmt) + $dt->setTimeZone(new DateTimeZone('UTC')); + $dt->setDate($year!==false ? $year : date('Y'), + $mon!==false ? $mon : date('m'), + $day!==false ? $day : date('d')); + $dt->setTime($hr, $min, $sec); + return (int) $dt->format('U'); + } +} + |