[adriandmitroca]

Problem

On PHP 8.4 and later, every request on a site with the plugin active logs two notices:

Deprecated: Constant E_STRICT is deprecated since 8.4, the error level was removed in .../src/Plugin.php on line 233
Deprecated: Constant E_STRICT is deprecated since 8.4, the error level was removed in .../src/Settings.php on line 130

Plugin::buildIncludedErrno() and the "Logging Level" options in Settings read the E_STRICT constant. PHP 8.4 deprecated the constant itself, so just reading it raises E_DEPRECATED. With WP_DEBUG on, this adds two log lines per request; on busy sites it becomes the largest source of PHP log volume.

Fix

Add Plugin::E_STRICT = 2048 (the value of E_STRICT) and use it in both places, without reading the global constant.

• The bitmask built by buildIncludedErrno() is identical on every supported PHP version (E_STRICT === 2048).
• Saved settings that hold 2048 keep working, and the option keeps its label.
• PHP has not raised E_STRICT errors since 8.0, so including the bit has no effect beyond backward compatibility.

Test

• php -l on both changed files.
• On PHP 8.5, the two deprecation notices no longer appear after the change. The included bitmask for each logging level is unchanged.

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