PHP Classes

Date Convert: Convert and validate date values

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dc 1.1Freeware5PHP 5, Time and Date, Validation
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This package is specific mainly for applications used in Germany Germany .

This class can convert and validate date values.

It can convert date values between formates like the German format and the ISO 9075 format used by databases like MySQL.

The class can also get the individual date elements like year, month, day and week day of the current date or another given date.

It can also validate a given date string and determine if it is the current year or month, get the age relative to a given date, get the date of the previous or next day or month.

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/************************************************************************** * * Class: Class 'Date' (class_date.inc.php) * * Version: 1.1 * * Copyright: (c) 2010 Volker Rubach - All rights reserved * * Description: This class contains functions, to convert dates between * German format and ISO 9075 standard (MySQL format), and * some other functions for the evaluation of a date or to * format a date in different versions. * *************************************************************************/ Include class ------------- <code> include( '../ <path> /class_date.inc.php' ); </code> Create instance --------------- <code> $date = new Date(); </code> Error handling ---------------- trigger_error( 'FUNCTION <name>: '<message>', E_USER_NOTICE ); trigger_error( 'FUNCTION <name>: '<message>', E_USER_WARNING ); trigger_error( 'FUNCTION <name>: '<message>', E_USER_ERROR ); Overview -------- createTimestamp Create timestamp (MySQL format) tsDateIso Get ISO date from timestamp tsDateGer Get GER date from Timestamp curDateIso Get current date in ISO format curDateGer Get current date in GER format curTimeLong Get current time (long) curTimeShort Get current time (short) daysInMonth Get days in month getWeek Get current week getWeekday Get current weekday getDayName Get day name (eng or ger / long or short) getMonName Get month name (eng or ger / long or short) splitDate Splitting date in components checkDate Checking date (numbers, correct date) dateInCurMonth Checking if date is in current month dateInCurYear Checking if date is in current year compDate Comparing date with current date isWeekday Checking if particular weekday iso2ger Change Date Format From ISO To GER ger2iso Change Date Format From GER To ISO dateWD Date with weekday (eng or ger / long or short) dateMN Date with month name (eng or ger / long or short) dateSWDLM Date with short weekday and long month name calcAge Calculate age prevDay Calculate the previous day nextDay Calculate the next day prevMonth Calculate the previous month nextMonth Calculate the next month addDatePart Add a predefined value to a part of date subDatePart Subtract a predefined value from a part of date createTimestamp -> Create timestamp (MySQL format) -------------------------------------------------- @input Nothing @return Timestamp (yyyy-mm-dd hh:mm:ss) <code> $<var name> = $date->createTimestamp(); </code> tsDateIso -> Get ISO date from timestamp ---------------------------------------- @input Timestamp (yyyy-mm-dd hh:mm:ss) @return ISO Date (yyyy-mm-dd) <code> $<var name> = $date->tsDateIso($<var name>); </code> tsDateGer -> Get GER date from timestamp ---------------------------------------- @input Timestamp (yyyy-mm-dd hh:mm:ss) @return GER Date (dd.mm.yyyy) <code> $<var name> = $date->tsDateGer($<var name>); </code> curDateIso -> Get current date in ISO format -------------------------------------------- @input Nothing @return ISO Date (yyyy-mm-dd) <code> $<var name> = $date->curDateIso(); </code> curDateGer -> Get current date in GER format -------------------------------------------- @input Nothing @return GER Date (dd-mm-yyyy) <code> $<var name> = $date->curDateGer(); </code> curTimeLong -> Get current time (long) -------------------------------------- @input Nothing @return Long Time (hh:mm:ss) <code> $<var name> = $date->curTimeLong(); </code> curTimeShort -> Get current time (short) ---------------------------------------- @input Nothing @return Short Time (hh:mm) <code> $<var name> = $date->curTimeShort(); </code> daysInMonth -> Get days in month -------------------------------- @input Nothing @return Days (number) <code> $<var name> = $date->daysInMonth(>); </code> getWeek -> Get days in month -------------------------------- @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return Week (number) <code> $<var name> = $date->getWeek($<var name>); </code> getWeekday -> Get weekday ------------------------- @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return Weekday (number) WkDays: 0 = Sunday 1 = Monday 2 = Tuesday 3 = Wednesday 4 = Thursday 5 = Friday 6 = Saturday <code> $<var name> = $date->getWeekday($<var name>); </code> getDayName -> Get day name -------------------------- @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return Day name (eng or ger / long or short) Lang.: 'e' = english day name 'g' = german day name Length: 'l' = long day name 's' = short day name <code> $<var name> = $date->getDayName($<var name>, <language>, <length>); </code> getMonName -> Get month name ---------------------------- @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return Month name (eng or ger / long or short) Lang.: 'e' = english day name 'g' = german day name Length: 'l' = long day name 's' = short day name <code> $<var name> = $date->getMonName($<var name>, <language>, <length>); </code> splitDate -> Splitting date in components ----------------------------------------- @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return Array with Day (dd), Month (mm) and Year(yyyy) <code> $dateArr = $date->splitDate($<var name>); </code> Array: $dateArr[0] = Day $dateArr[1] = Month $dateArr[2] = Year checkDate -> Checking date (correct input and correct date) ----------------------------------------------------------- @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return True or False <code> if ($date->checkDate($<var name>)) { ... } ; else { ... } ; </code> dateInCurMonth -> Checking if date is in current month ------------------------------------------------------ @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return True or False <code> if ($date->dateInCurMonth($<var name>)) { ... } ; else { ... } ; </code> dateInCurYear -> Checking if date is in current year ---------------------------------------------------- @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return True or False <code> if ($date->dateInCurYear($<var name>)) { ... } ; else { ... } ; </code> compDate -> Comparing date with current date -------------------------------------------- @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return True or False <code> if ($date->compDate($<var name>)) { ... } ; else { ... } ; </code> isWeekday -> Checking if particular weekday ------------------------------------------- @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return True or False WkDays: 0 = Sunday 1 = Monday 2 = Tuesday 3 = Wednesday 4 = Thursday 5 = Friday 6 = Saturday <code> if ($date->isWeekday($<var name>, <weekday number>)) { ... } ; else { ... } ; </code> iso2ger -> Change date format from ISO to GER --------------------------------------------- @input ISO date (yyyy-mm-dd) @return GER date (dd.mm.yyyy) <code> $<var name> = $date->iso2ger($<var name>); </code> ger2iso -> Change date format from GER to ISO --------------------------------------------- @input GER date (dd.mm.yyyy) @return ISO date (yyyy-mm-dd) <code> $<var name> = $date->ger2iso($<var name>); </code> dateWD -> Date with weekday --------------------------- @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return Date (DDD dd.mm.yyyy or DDDDD dd.mm.yyyy) Lang.: 'e' = english day name 'g' = german day name Length: 'l' = long day name 's' = short day name <code> $<var name> = $date->dateWD($<var name>, <language>, <length>); </code> dateMN -> Date with month name ------------------------------ @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return Date (dd. MMM yyyy or dd. MMMMM yyyy) Lang.: 'e' = english day name 'g' = german day name Length: 'l' = long day name 's' = short day name <code> $<var name> = $date->dateMN($<var name>, <language>, <length>); </code> dateSWDLM -> Date with short weekday and long month name -------------------------------------------------------- @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return Date (DDD dd. MMMMM yyyy) Lang.: 'e' = english day name 'g' = german day name <code> $<var name> = $date->dateSWDLM($<var name>, <language>); </code> calcAge -> Calculate age ------------------------ @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return Age (number) <code> $<var name> = $date->calcAge($<var name>); </code> prevDay -> Calculate the previous day ------------------------------------- @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) <code> $<var name> = $date->prevDay($<var name>); </code> nextDay -> Calculate the next day --------------------------------- @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) <code> $<var name> = $date->nextDay($<var name>); </code> prevMonth -> Calculate the previous month ----------------------------------------- @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) <code> $<var name> = $date->prevMonth($<var name>); </code> nextMonth -> Calculate the next month ------------------------------------- @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) <code> $<var name> = $date->nextMonth($<var name>); </code> addDatePart -> Add a predefined value to a part of date ------------------------------------------------------- @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) Part: d = add value at day m = add value at month y = add value at year <code> $<var name> = $date->addDatePart($<var name>, <part>, <value>); </code> subDatePart -> Subtract a predefined value from a part of date -------------------------------------------------------------- @input ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) @return ISO date (yyyy-mm-dd) / GER date (dd.mm.yyyy) Part: d = add value at day m = add value at month y = add value at year <code> $<var name> = $date->subDatePart($<var name>, <part>, <value>); </code>
  Files folder image Files  
File Role Description
Plain text file class_date.inc.php Class Class
Accessible without login Plain text file ReadMe.txt Doc. ReadMe

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