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Reports: Avoid deprecation notice when fields is not an array - #2236
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`filter_input()` with `FILTER_REQUIRE_ARRAY` returns `false` for a non-array value, and appending `Name` to it triggers "Automatic conversion of false to array is deprecated". This runs on every `admin_init`, so anonymous admin-ajax requests with a string `fields` param fill the logs. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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WordCamp_Details::export_to_file()runs on everyadmin_init, including anonymousadmin-ajax.phprequests. Whenfieldsis sent as a string,filter_input( ..., FILTER_REQUIRE_ARRAY )returnsfalse, and$fields[] = 'Name'logsAutomatic conversion of false to array is deprecated. Bots probing other plugins trigger it.This treats a non-array
fieldsas an empty array. Nothing changes for real form submissions.Testing
curl -X POST -d 'action=foo&fields=bar' https://events.wordpress.test/wp-admin/admin-ajax.php.class-wordcamp-details.php. After: no notice.🤖 Generated with Claude Code