How to Suppress PHP Notices Despite Disabling `display_errors`?

Disabling PHP Notice Output

Despite disabling display_errors in php.ini, users may encounter ongoing PHP notice messages such as "Constant DIR_FS_CATALOG already defined." This issue persists even after adding display_errors = Off.

To resolve this and suppress notice output, it is suggested to set error reporting level to E_ALL & ~E_NOTICE; using either the error_reporting ini setting or the error_reporting() function.

However, it is important to note that notices, while annoying, can serve a crucial purpose. In this case, the notice indicates an attempt to define a constant twice, which will ultimately fail and prevent the constant from being modified. It is advisable to address the underlying issue rather than simply suppressing the notice.

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