Local History vs. Git: Which Tool Saves You in PhpStorm

1. What Local History actually is

Local History is a built in, automatic versioning feature in PhpStorm that creates a snapshot in the background every time a file is saved, entirely independent of Git and without requiring any action from the developer. Unlike a commit, no deliberate act is needed, every small change, every typo fix, and every automatic refactoring lands automatically as its own entry in the history of a file or an entire directory.

This makes Local History a safety net specifically for the state between two commits, exactly the area where Git by design stores nothing. A developer who experiments repeatedly during a longer refactoring, discards work, and starts over without committing every intermediate step relies on Local History almost constantly in practice, even though many developers never consciously notice the tool until the moment they urgently need it.

2. How Local History works technically

Local History stores its snapshots in a project internal, IDE managed directory outside the actual working tree, so they appear neither in the Git history nor in a backup of the project folder, unless that backup also includes the IDE configuration. Storage happens incrementally, so a complete copy of every file is not created on each save, only the difference from the previous state, which keeps storage requirements manageable despite very fine granularity.

Because the history is tied to the given project on the given machine, it survives neither a machine change nor deleting and re cloning the project folder. A project freshly checked out from Git always starts with an empty Local History, no matter how many commits the repository already contains, which underlines the fundamental difference to Git once more: Local History is local and transient, Git is distributed and permanent.

3. The Local History interface in practice

Access happens via a right click on a file, folder, or the entire project in the project tree, followed by Local History, Show History. PhpStorm then opens a timeline with every stored intermediate state, which can be navigated through a diff view similar to a Git comparison, including color coded lines for additions and deletions.

From this view, any earlier state can be restored directly, either the entire file via Revert, or selectively by copy pasting individual code blocks from the historical view into the current file. The same works for whole folders: an accidentally deleted subdirectory can often be fully restored via Local History at the folder level, even if not a single file within it was ever committed.

Recovery via Local History:

1. Right click on a file/folder in the Project tree
2. Local History -> Show History
3. Pick the point in time before the problem
4. Review the diff (left: current, right: historical)
5. "Revert" for the entire file
   OR: copy individual lines from the historical view

Additionally: "Local History -> Put Label" BEFORE a risky
refactoring sets a named restore point.

4. Scenarios where Local History saves you

The classic case is a file that was accidentally overwritten or deleted before it was ever committed, for instance after an overeager search and replace across multiple files that changed more than intended. Because Git by definition only knows what is in the index or in a commit, an uncommitted loss is invisible to Git, but for Local History it is a perfectly normal, retrievable intermediate state at any time.

Local History likewise saves you after an IDE crash during an ongoing, not yet saved change, because PhpStorm periodically captures intermediate states of unsaved buffers too, and after exceeding the editor's own undo limit, which eventually runs out during very long editing sessions while Local History reaches back much further. Even after accidentally discarding every change via git checkout with a double dash and a dot, which silently discards local, uncommitted changes, Local History is often the only way back.

5. Where Git is clearly superior

Git is always the right choice whenever shared, permanent, and traceable history across multiple developers and machines is needed. A commit with a meaningful message documents a deliberate, functionally coherent unit of change that can be attributed to an author via blame, tagged as a release, and discussed via a pull request, all capabilities that Local History, as a purely local, unstructured snapshot archive, fundamentally does not offer.

For branching, deliberately undoing a specific functional change via revert, merging parallel lines of work, or long term retention over years, Git has no alternative. A project that relies exclusively on Local History and never commits loses its entire history at the next machine change, while a Git repository can be cloned any number of times and thereby effectively backed up any number of times.

6. A concrete recovery workflow

A typical incident in a Magento project: a developer runs an automatic refactoring across several plugin classes in PhpStorm, then notices afterward that an important, custom adjustment in one of the files got overwritten in the process, but had not committed before the refactoring. The first step is to stay calm and avoid any further save actions on the affected file, so the relevant Local History entries are not overwritten.

Next comes a look into Local History, Show History for exactly that file, finding the point in time shortly before the refactoring by its timestamp, and a targeted diff against the current state. It is often enough to copy only the lost code block from the historical view instead of replacing the entire file, so that the changes correctly made by the refactoring in the meantime are preserved.

7. Manual labels before risky refactorings

Local History, Put Label sets a named restore point that appears clearly highlighted in the timeline and is therefore easier to find again than an automatic snapshot buried among hundreds of others. Before a larger, automated refactoring across many files, such as renaming a central interface method in a Magento module, such a label is a cheap insurance policy that costs only a few seconds.

The label does not replace a commit, but it is the faster option for an intermediate state you do not want to add to the Git repository, for instance because the code does not yet compile or is only a half finished intermediate step. Combined with an actual commit right before the refactoring, you get the strongest safety net: Git for the official last clean state, the label for the exact moment shortly before it, inside the IDE.

8. Limits and retention period

By default Local History keeps entries for a limited period, configurable under Settings, Advanced Settings, Local History with options for the maximum retention period and maximum disk space, after which older entries are automatically deleted. For a project with very active, long running development, the default setting is usually not enough to look back months, which is why Local History is never meant as a replacement for regular commits, only as a complement for the short term range.

Another limit: Local History is strictly tied to the local project directory on the given machine and cannot be transferred to another machine, shared with a colleague, or exported to a backup system outside the IDE. Anyone regularly switching between multiple machines, for example a home office and an office computer, can therefore only rely on Local History for the machine currently in use, not across the board.

9. Combining both tools in practice

In daily work the two tools complement each other rather than compete: small, frequent commits for permanent, team wide history, plus Local History as a fine grained safety net for the space between commits, where experimenting, discarding, and starting over happens. A developer who knows both tools practically never loses more than a few minutes of work, even in the worst case of an IDE crash in the middle of a complex refactoring.

The table below summarizes which tool is the right choice in which scenario, measured by reach, team capability, and the typical rescue case in a PHP or Magento project.

10. Summary

11. FAQ: Local History vs. Git: The Essentials at a Glance