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docs: add "Error Handling" in "Upgrading from 3.x to 4.x" #8350

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Merged
kenjis merged 4 commits into from
Dec 25, 2023
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docs: add "Error Handling" in "Upgrading from 3.x to 4.x" #8350

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12a8c6e
docs: add "Error Handling" in "Upgrading from 3.x to 4.x"
kenjis Dec 20, 2023
8f32623
docs: use list for readablitily
kenjis Dec 22, 2023
7e35646
docs: fix RST format and improve the description
kenjis Dec 22, 2023
5b142ff
docs: fix by proofreading
kenjis Dec 22, 2023
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22 changes: 22 additions & 0 deletions user_guide_src/source/installation/upgrade_4xx.rst
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Expand Up @@ -165,6 +165,28 @@ Hooks
- The hook point ``post_system`` has moved just before sending the final rendered
page.

Error Handling
==============

- The behavior in CI4 has been slightly changed.
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@paulbalandan paulbalandan Dec 21, 2023

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At first glance, I don't quite understand it well. Can we make it in tabular form?


- In CI3 the behavior is set in the **index.php** file:

- errors with the error level set by ``error_reporting()`` are logged (but
depending on the ``log_threshold`` setting, they may not be written to
the log file).
- errors with an error level of
``E_ERROR | E_PARSE | E_COMPILE_ERROR | E_CORE_ERROR | E_USER_ERROR``
stopped framework processing, regardless of the error level set in
``error_reporting()``.
- In CI4, the behavior is set in the **app/Config/Boot/{environment}.php** file:

- errors with the error level set by ``error_reporting()`` are logged (but
depending on the ``Config\Logger::$threshold`` setting, they may not be
written to the log file).
- all errors that are not ignored by ``error_reporting()`` will stop the
framework processing.

Extending the Framework
=======================

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