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Informations about the package laravel-model-diff

Laravel Model Diff

Tests Latest Version on Packagist Last updated

Track and display structured differences between Eloquent model versions with human-readable labels.

Requirements

Installation

Install via Composer:

The service provider and facade are registered automatically via Laravel package auto-discovery.

Publishing the config

This creates config/model-diff.php in your application.

Configuration

Usage

Comparing two model instances

Pass two instances of the same model — a "before" snapshot and an "after" snapshot — to ModelDiff::compare():

Comparing an unsaved dirty model

Use ModelDiff::fromDirty() to inspect changes on a model that has not yet been saved:

Excluding extra attributes at call-site

Filtering results

Use only() and except() to narrow a DiffResult after comparison:

Accessing individual values

Retrieve the old or new value of a single attribute without iterating:

Human-Readable Labels

Using the HasDiffLabels trait

Add the HasDiffLabels trait to any model and define a $diffLabels map:

Attributes without an explicit entry are automatically humanized: billing_address becomes Billing Address.

Retrieving a label directly

API

DiffResult

Method Return type Description
hasChanges() bool true when at least one attribute changed
changedAttributes() string[] Names of changed attributes
getChanges() AttributeChange[] All change objects
only(string[] $attributes) DiffResult New result with only the specified attributes
except(string[] $attributes) DiffResult New result excluding the specified attributes
getBefore(string $attribute) mixed Old value for an attribute (null if not in diff)
getAfter(string $attribute) mixed New value for an attribute (null if not in diff)
toArray() array Plain array — one entry per change
toHumanReadable() array Keyed by label; values formatted for display

toArray() output

toHumanReadable() output

AttributeChange

Property Type Description
$attribute string Raw attribute name
$old mixed Normalized old value
$new mixed Normalized new value
$label string Human-readable label

Cast-Aware Comparison

The package normalizes values before comparing them, so you never get false positives from type mismatches:

Cast type Normalization
date, datetime, immutable_date/datetime Parsed to Carbon and formatted with date_format config
timestamp Parsed to Carbon and formatted with date_format config
array, json, object, collection Decoded and compared by content, not by serialized string
boolean, bool Strict (bool) cast before comparison
integer, int Strict (int) cast
float, double, real Strict (float) cast
decimal:N Strict (float) cast
Backed enum (SomeEnum::class) Compared by ->value; stored as scalar in AttributeChange
Unit enum (SomeEnum::class without backing) Compared by ->name; stored as string in AttributeChange

Note: Associative arrays are compared order-insensitively — ['a' => 1, 'b' => 2] equals ['b' => 2, 'a' => 1]. Sequential (list) arrays are compared in order.

Using the Facade

The ModelDiff facade is registered automatically:

Using the Class Directly

If you prefer not to use the facade, resolve the class from the container or instantiate it directly:

Development

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License

MIT

All versions of laravel-model-diff with dependencies

PHP Build Version
Package Version
Requires php Version ^8.2
illuminate/database Version ^11.0|^12.0
illuminate/support Version ^11.0|^12.0
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