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Upgrading from 4.6.x to 4.7.0

Please refer to the upgrade instructions corresponding to your installation method.

Breaking Changes

PHP 8.2 Required

The minimum PHP requirement has been updated to PHP 8.2.

If your current runtime is older than PHP 8.2, upgrade PHP first before upgrading CodeIgniter.

Validation regex_match Placeholders

Placeholders in the regex_match validation rule must now use double curly braces.

If you previously used single braces like regex_match[/^{placeholder}$/], update it to: regex_match[/^{{placeholder}}$/].

This avoids ambiguity with regex quantifiers such as {1,3}.

Model Primary Key Validation Timing and Exceptions

The insertBatch() and updateBatch() methods now honor model settings like updateOnlyChanged and allowEmptyInserts. This change ensures consistent handling across all insert/update operations.

Primary key values are now validated before database queries in insert()/insertBatch() (without auto-increment), update(), and delete().

Invalid primary key values now throw InvalidArgumentException instead of database-layer DatabaseException.

If your code catches DatabaseException for invalid primary keys, update it to handle InvalidArgumentException as well.

Entity Change Detection Is Now Deep

Entity::hasChanged() and Entity::syncOriginal() now perform deep comparison for arrays and objects.

If you relied on the previous shallow (reference-based) behavior, review your entity update flows and tests because nested changes are now detected.

Also, Entity::toRawArray() now recursively converts arrays of entities when $recursive is true.

Encryption Handler Key State

OpenSSLHandler and SodiumHandler no longer mutate the handler's internal key when a key is passed via $params to encrypt()/decrypt().

If your code depended on passing a key once and reusing it implicitly later, move to explicit key configuration in Config\\Encryption (or pass a custom config when creating the encrypter service).

Interface Changes

Some interface changes have been made. Classes that implement framework interfaces should update their APIs to reflect these changes.

See :ref:`ChangeLog <v470-interface-changes>` for details.

Method Signature Changes

Some method signature changes have been made. Classes that extend framework classes should update their method signatures to keep LSP compatibility.

See :ref:`ChangeLog <v470-method-signature-changes>` for details.

Property Signature Changes

Some property type signatures have changed (for example nullable Entity::$dataCaster). If you extend these classes, update your code accordingly.

See :ref:`ChangeLog <v470-property-signature-changes>` for details.

Removed Deprecated Items

Some deprecated items have been removed. If your app still uses or extends these APIs, update your code before upgrading.

See :ref:`ChangeLog <v470-removed-deprecated-items>` for details.

Project Files

Some files in the project space (root, app, public, writable) received updates. Due to these files being outside of the system scope they will not be changed without your intervention.

Note

There are some third-party CodeIgniter modules available to assist with merging changes to the project space: Explore on Packagist.

Content Changes

The following files received significant changes (including deprecations or visual adjustments) and it is recommended that you merge the updated versions with your application:

Config

  • app/Config/Migrations.php
    • Config\Migrations::$lock has been added, with a default value set to false.

These files are new in this release:

  • app/Config/Hostnames.php
  • app/Config/WorkerMode.php

All Changes

This is a list of all files in the project space that received changes; many will be simple comments or formatting that have no effect on the runtime:

  • app/Config/CURLRequest.php
  • app/Config/Cache.php
  • app/Config/ContentSecurityPolicy.php
  • app/Config/Email.php
  • app/Config/Encryption.php
  • app/Config/Format.php
  • app/Config/Hostnames.php
  • app/Config/Images.php
  • app/Config/Migrations.php
  • app/Config/Optimize.php
  • app/Config/Paths.php
  • app/Config/Routing.php
  • app/Config/Session.php
  • app/Config/Toolbar.php
  • app/Config/UserAgents.php
  • app/Config/View.php
  • app/Config/WorkerMode.php
  • public/index.php
  • spark