Fixing date comparison errors in Adobe Dreamweaver usually stems from string-versus-timestamp mismatches, incorrect server-side code formatting, or local file cache synchronization bugs. Depending on whether your error is happening in your backend web development code (like PHP, ASP, or JavaScript) or inside Dreamweaver’s built-in file comparison tool, the root cause and solution will vary. 1. Code Mismatches: Comparing Strings vs. Timestamps
If your dynamic website code fails when comparing two date entries, it is usually because you are comparing plain text formatting (e.g., “12-05-2026” vs “25-05-2026”) instead of unix timestamps.
The Problem: Computers read date strings alphabetically. In string comparison, “12-05-2026” is incorrectly processed as “less than” “25-01-1990” because “1” is smaller than “2”.
The Fix (PHP): Convert both date entries into timestamps using strtotime() before running your conditional check:
\(entry_date = \)_POST[‘user_date’]; \(current_date = date('Y-m-d'); if (strtotime(\)entry_date) > strtotime($current_date)) { echo “This entry is in the future.”; } Use code with caution. The Fix (JavaScript): Instatiate actual date objects: javascript if (new Date(entryDate) > new Date(currentDate)) { … } Use code with caution. 2. Dreamweaver Built-in “Formats.xml” Server Format Bug
For those using legacy server-side tools or extensions directly within Dreamweaver (like ASP or older database connectors), a notorious internal file mapping typo can break date processing.
The Problem: The application fails to parse or compare dates from a database because an internal configuration file looks for the property Date/Time with a slash, whereas the application context exports it as DateTime. The Fix: Close Dreamweaver.
Navigate to your installation path (e.g., C:\Program Files\Adobe\Adobe Dreamweaver [Version]\configuration\ServerFormats\ASP_Vbs</code>). Open Formats.xml in a text editor.
Search for the source file reference string Date/Time and change it to DateTime (or vice versa depending on your exact version’s patch history) to fix the mapping. 3. File System Sync: “Compare with Remote” Date Bugs
If you are using Dreamweaver’s built-in Compare files for differences utility to compare local and remote file modified dates, you might get false errors where a file looks older or newer than it actually is.
The Problem: Dreamweaver sometimes misreads local OS file timestamps (such as displaying glitched dates like 01/27/90) while the finder or explorer shows the correct date. This causes file sync conflicts. The Fix:
Select your Files panel (press F5 on Windows) and click the Refresh button on the bottom left.
If the issue persists across a macOS or Windows update, clear your internal cache by resetting your preferences. Hold Windows Key + Ctrl + Shift (Windows) or Cmd + Option + Shift (Mac) while double-clicking the Dreamweaver app icon to trigger a clean preferences reset. 4. Catching Syntax Errors via Real-Time Linting
If your code logic comparing two dates breaks down due to a typo or syntax issue, use Dreamweaver’s built-in syntax parser to find the point of failure.
The Fix: Navigate to Edit > Preferences > Linting and ensure Enable Linting is checked.
When writing your date evaluation syntax, Dreamweaver will turn the line number Red or throw an alert in the bottom Output panel if an extra parenthesis, brace, or missing comparison operator breaks the logic.
To help me give you a more specific solution, could you share the programming language you are using (e.g., PHP, JavaScript, ASP) or if this is an issue with Dreamweaver’s local vs. remote file sync tool?
Compare files for differences in Dreamweaver - Adobe Help Center
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