[wp-trac] [WordPress Trac] #56558: Fatal Error caused by Uncaught TypeError: trim(): Argument #1 ($string) must be of type string, array given in /www/example_website/public/wp-includes/class-wp-query.php:803

[WordPress Trac]

#56558: Fatal Error caused by Uncaught TypeError: trim(): Argument #1 ($string)
must be of type string, array given in /www/example_website/public/wp-
includes/class-wp-query.php:803
--------------------------+-----------------------------
 Reporter:  rlmc          |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Query         |    Version:  trunk
 Severity:  major         |   Keywords:
  Focuses:                |
--------------------------+-----------------------------
 I found this in my error.log file on my web server.  If I paste the same
 url onto my website, it does indeed cause a fatal error.  Here is the full
 entry from the error.log file...the only change I made is to disguise my
 website as example.com:

 2022/09/11 01:49:53 [error] 90419#90419: *4359495 FastCGI sent in stderr:
 "PHP message: PHP Fatal error:
 Uncaught TypeError: trim(): Argument #1 ($string) must be of type string,
 array given in /www/example_website/public/wp-includes/class-wp-
 query.php:803
 Stack trace:
 #0 /www/example_website/public/wp-includes/class-wp-query.php(803):
 trim(Array)
 #1 /www/example_website/public/wp-includes/class-wp-query.php(1792):
 WP_Query->parse_query()
 #2 /www/example_website/public/wp-includes/class-wp-query.php(3586):
 WP_Query->get_posts()
 #3 /www/example_website/public/wp-includes/class-wp.php(648):
 WP_Query->query(Array)
 #4 /www/example_website/public/wp-includes/class-wp.php(775):
 WP->query_posts()
 #5 /www/example_website/public/wp-includes/functions.php(1330):
 WP->main('')
 #6 /www/example_website/public/wp-blog-header.php(16): wp()
 #7 /www/example_website/public/index.php(17): require('/www/example...')
 #8 {main}
   thrown in /www/examplewebsite" while reading response header from
 upstream, client: 82.199.155.149, server: www.example.com,
 request: "POST
 /example_page?q=user%2Fpassword&name%5B%23post_render%5D%5B%5D=passthru&name%5B%23type%5D=markup&name%5B%23markup%5D=id
 HTTP/1.1",
 upstream: "fastcgi://unix:/var/run/php8.0-fpm-examplewebsitehhub.sock:",
 host: "www.example.com:61359"

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Ticket URL: <https://core.trac.wordpress.org/ticket/56558>
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