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  • Coherence between date and format
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Stored procedures
Converts a date in character string format to a date in YYYYMMDD format.
Remark: The conversion performed by StringToDate consists in identifying, in the initial character string, the different components of the date to build the result string.
Example
Res = StringToDate("25/12/2001")  // Res = "20011225"
Res = StringToDate("25-12-2001")  // Res = "20011225"
StringToDate("")                  // Returns ""
Res = StringToDate("12-25-2001", "MM-DD-YYYY")  // Res = "20011225"
Res = StringToDate("12-25-01", "MM-DD-YY")      // Res = "20011225"
Res = StringToDate("12-25-2001", "MM-DD-YY")    // Res = ""
Res = StringToDate("12-25-01", "MM-DD-YY")      // Res = "20011225"
Res = StringToDate("Sun, 25 Nov 2012 12:11:55 +0100", maskDateEmail) // Res = "20121125121155"
Res = StringToDate("Sat, 25 Aug 2012 12:11:55 +0200", maskDateEmail) // Res = "20120825121155"
Res = StringToDate("Sun, 24 Nov 2019 23:00:00 +0000", maskDateEmailUTC) // Res = "20191124230000000"
Res = StringToDate("2019-08-25T00:00:00.000+02:00", maskDateInternet) // Res = "20190825000000000"
Res = StringToDate("2019-08-24T22:00:00.000Z", maskDateInternetUTC) // Res = "20190824220000000"
Syntax
<Result> = StringToDate(<Date> [, <Format>])
<Result>: Character string or Date variable
  • Date in YYYYMMDD format (YYYY corresponds to the year, MM to the month and DD to the day).
  • Empty string ("") if a problem occurs.
<Date>: Character string
Date in the format specified in <Format>.
<Format>: Optional character string or optional constant
Format of the date to convert:
  • in string format:
    In this string:
    • YYYY represents a 4-digit year.
    • YY represents a 2-digit year. The years will be included between 1951 and 2050.
    • M represents the month as a number without a leading zero.
    • MM represents a 2-digit month.
    • MMM represents a 3-letter month (e.g., Jan). The case used depends on the linguistic options of the project.
      WEBDEV - Browser code This notation is not case sensitive.
    • Mmm represents a 3-letter month with the first letter in uppercase (e.g., Jan).
      AndroidAndroid Widget JavaPHP This notation is not available.

      WEBDEV - Browser code This notation is not case sensitive.
    • mmm represents a 3-letter month with the first letter in lowercase (e.g., jan)
      AndroidAndroid Widget JavaPHP This notation is not available.

      WEBDEV - Browser code This notation is not case sensitive.
    • MMMM represents the month as a full name (e.g., January). The case used depends on the linguistic options of the project.
      AndroidAndroid Widget JavaPHP This notation is not available.
      WEBDEV - Browser code This notation is not case sensitive.
    • Mmmm represents the month as a full name with the first letter in uppercase (e.g., January)
      AndroidAndroid Widget JavaPHP This notation is not available.
      WEBDEV - Browser code This notation is not case sensitive.
    • mmmm represents the month as a full name with the first letter in lowercase (e.g., january)
      AndroidAndroid Widget JavaPHP This notation is not available.
      WEBDEV - Browser code This notation is not case sensitive.
    • D represents the day without a leading zero,
    • DD represents a 2-digit day,
    • DDD represents a 3-letter day (e.g., Mon). The case used depends on the linguistic options of the project.
    • Ddd represents a 3-letter day with the first letter in uppercase (e.g., Mon)
      AndroidAndroid Widget JavaPHP This notation is not available.
    • ddd represents a 3-letter day with the first letter in lowercase (e.g., mon)
      AndroidAndroid Widget JavaPHP This notation is not available.
    • DDDD represents the day as a full name (e.g., Monday). The case used depends on the linguistic options of the project.
    • Dddd represents the day as a full name with the first letter in uppercase (e.g., Monday)
      AndroidAndroid Widget JavaPHP This notation is not available.
    • dddd represents the day as a full name with the first letter in lowercase (e.g., monday)
      AndroidAndroid Widget JavaPHP This notation is not available.
    • M represents the first letter of the day (e.g., M,T,W,T,F,S,S)
      AndroidAndroid Widget JavaPHP This notation is not available.
  • via the following constants:
    maskDateEmailThe format used corresponds to the date format of the RFC-5322 standard used to encrypt an email, an RSS feed, ...
    The result is expressed in the local time zone.
    WEBDEV - Browser codeAndroidJavaPHP Not available.
    maskDateEmailUTCThe format used corresponds to the date format of the RFC-5322 standard used to encrypt an email, an RSS feed, ...
    The result is expressed in universal time (UTC).
    WEBDEV - Browser codeAndroidJavaPHP Not available.
    maskDateInternetThe format used corresponds to the RFC-3339 standard used for international communications.
    The result is expressed in the local time zone.
    maskDateInternetUTCThe format used corresponds to the RFC-3339 standard used for international communications.
    The result is expressed in universal time (UTC).
    WEBDEV - Browser code Not available.
    maskDateSystemThe format used corresponds to the format defined in the project description for the current language:
    1. On the "Project" tab, in the "Project" group, click "Description".
    2. Select the "Languages" tab then the "Date" tab.
    3. The format used corresponds to:
      • the settings of the operating system,
      • the specified parameters (with the defined days and months).
If this parameter is not specified, the format used by default is DD/MM/YYYY (DD + a specific character + MM + a specific character + YYYY).
Remarks

Coherence between date and format

You must check whether the <Date> and the specified <Format> are coherent. Therefore:
  • If <Date> = "This monument was inaugurated on February 10, 1995", the following format must be used:
    <Format> = "This monument was inaugurated on MMMM DD, YYYY".
  • If <Date> = "11/03/1970", the following format must be used:
    <Format> = "MM/DD/YYYY".
Related Examples:
The EXIF functions Unit examples (WINDEV): The EXIF functions
[ + ] Using the ImageXXX functions.
These functions are used to access the EXIF information of an image.
The EXIF information is included in the JPEG or TIFF images.
It can be for example the snapshot date, the orientation of the device when taking the photo, the make and model of the camera, a miniature of the image...
Business / UI classification: Neutral code
Component: wd270std.dll
Minimum version required
  • Version 9
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