Introduction
Most migration failures are not migration failures at all — they are export failures. You move the code but leave the users behind, or you export profiles while your messages, subscriptions, and photos sit stranded in the old database. Before you switch platforms, read how to migrate your dating site to a new PHP script without losing users, data, or rankings for the full picture.
This guide covers the four data types that actually matter — profiles, messages, subscriptions, and media — plus the formats to use and the lock-down steps to run first.
Every step below assumes you hold full source code access, so you can read the schema directly and export with precision.
What You’ll Need Before You Start
- Database access — phpMyAdmin, Adminer, or MySQL/MariaDB command-line credentials.
- Server shell or FTP — to copy the uploads and media directory.
- Enough disk space — a full dump plus a media copy usually needs 2–3x the current database size.
- A staging target — a local or test server where you can verify the export before the real import.
- A maintenance window — 30–60 minutes is usually enough for a small to mid-size site.
Step-by-Step Export Guide
Step 1: Inventory What Data You Actually Hold
List every table that carries member data before you export anything. A typical dating script splits data across these groups:
| Data type | Where it lives | Export format |
|---|---|---|
| Profiles | users, profile detail, preferences, verification | CSV + SQL |
| Messages | chat, messages, conversations, reactions | SQL + JSON |
| Subscriptions & payments | subscriptions, payments, wallets, invoices | CSV + SQL |
| Media | uploads/photos and uploads/videos directories | File copy |
| Match data | likes, passes, matches, match scores | SQL + JSON |
Keep the unique user ID present in every file. It is the join key that rebuilds the relationship between a profile, its photos, and its conversation history.
Step 2: Lock Down the Site Before the Dump
Put the site in maintenance mode and stop new registrations, payments, and message writes. A live site writing to the database mid-export produces a dump that does not match your media copy. Pause traffic until the snapshot is complete.
This is also the moment to review your data obligations — see the dating app legal and compliance checklist for GDPR, age verification, and consent requirements that survive a migration.
Step 3: Export Profiles (Users)
Dump the core user and profile tables to CSV for readability, and take a full SQL dump of the same tables for a lossless restore. Include the profile ID, email, join date, and any verification or badge flags. Confirm the exported row count matches the live user count before moving on.
Step 4: Export Messages and Conversations
Export chat tables with sender ID, recipient ID, message body, and timestamp intact. These four fields are the minimum you need to rebuild a thread. If your script stores reactions or read receipts in separate tables, export those in the same pass so message state survives.
Step 5: Export Subscriptions and Payments
Export the subscriptions and payments tables with the user ID, plan, status, amount, and gateway reference. Keep the payment-gateway transaction ID — it is what lets you reconcile recurring billing on the new platform without double-charging members.
Step 6: Export Media Files
Copy the entire uploads directory, not just the files you think you need. Profile photos, gallery images, and videos usually live under a predictable path, but thumbnails and resized variants are often generated and easy to miss. Copy the directory recursively and verify the byte count on the other side.
Step 7: Verify the Export
Restore the SQL dump to a staging database and re-count every table against the live counts. Open a sample of 20–50 profiles and confirm their photos load and their conversations render. Only mark the export complete after this check passes.
Common Export Formats Compared
| Format | Best for | Lossless? | Notes |
|---|---|---|---|
| SQL (mysqldump) | Full database restore | Yes | Schema + data in one file |
| CSV | Profiles, subscriptions, remapping | Mostly | Easy to open and edit; watch encoding |
| JSON | Preferences, match scores, settings | Yes | Preserves nested structure |
| XML | Rare legacy imports | Yes | Verbose; use only if required |
Common Mistakes to Avoid
- Exporting only the users table. Profiles without messages, payments, and media are half a migration. Export all four groups together.
- Dumping a live database. Writes during the export desynchronise files from data. Always put the site in maintenance mode first.
- Skipping the media directory. A working profile that points to missing photos is worse than no profile at all. Copy the full uploads tree.
- Dropping the join keys. If user IDs do not survive the export, you cannot re-link anything after import.
- Not verifying counts. Restore to staging and re-count before you call the export done.
Tips for Success
- Export media first. It is usually the slowest step, so start it before the database dump.
- Keep three formats. SQL for restore, CSV for remapping, JSON for structured fields — each serves a different stage.
- Version the export. Name files with the date and site name so you never overwrite a good backup.
- Encrypt and restrict. A member export is personal data; store it where only you can reach it.
- Read the schema first. Full source code access means you can inspect the table structure before you export, which removes guesswork.
Before you invest the effort, understand the switch itself — see what switching platforms really costs so the export is one step in a plan, not a surprise.
When you are ready to move to a script that ships full source code with a one-time licence, source code ownership means the data and the code stay yours. A self-hosted licence is $149 one-time with free first-time installation, with the PWA available as a $100 one-time add-on and managed hosting as an optional $59/month plan on top. View MooDatingScript pricing to compare the details.