[3.10] [PHP 8.1] Fixing mod_search Passing null to type string

[beat]

Pull Request for Issue # none

Summary of Changes

Fixes Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /home/beat/www/j/modules/mod_search/mod_search.php on line 44

Testing Instructions

Code review is enough.

But to reproduce, use PHP 8.1 with Debug ON and all (incl. deprecation) php warnings on, in fronted see warning with mod_search enabled.

Actual result BEFORE applying this Pull Request

Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /home/beat/www/j/modules/mod_search/mod_search.php on line 44

Expected result AFTER applying this Pull Request

that warning disappears

Documentation Changes Required

none.

[alikon]

I have tested this item ✅ successfully on 60cbce4

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[richard67]

I have tested this item ✅ successfully on 60cbce4

Code review.

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[richard67]

RTC

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[zero-24]

Merging thanks

[MrTJTwee]

I have tested this item ✅ successfully on 60cbce4

Thanks. Tested successfully.

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