This filter is documented in wp-includes/rest-api/class-wp-rest-server.php
wp_is_xml_request
Checks whether current request is an XML request, or is expecting an XML response.
wp_is_jsonp_request
Checks whether current request is a JSONP request, or is expecting a JSONP response.
wp_finalize_scraping_edited_file_errors
Finalize scraping for edited file errors.
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wp_is_json_request
Checks whether current request is a JSON request, or is expecting a JSON response.
wp_start_scraping_edited_file_errors
Start scraping edited file errors.
file_mod_allowed
Filters whether file modifications are allowed.
wp_is_file_mod_allowed
Determines whether file modifications are allowed.
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is_wp_error
Check whether variable is a WordPress Error.
wp_doing_cron
Determines whether the current request is a WordPress cron request.
wp_doing_cron
Filters whether the current request is a WordPress cron request.
wp_using_themes
Filters whether the current request should use themes.
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wp_using_themes
Determines whether the current request should use themes.
wp_doing_ajax
Filters whether the current request is a WordPress Ajax request.
wp_doing_ajax
Determines whether the current request is a WordPress Ajax request.
