Checks whether current request is a JSON request, or is expecting a JSON response.
wp_finalize_scraping_edited_file_errors
Finalize scraping for edited file errors.
wp_start_scraping_edited_file_errors
Start scraping edited file errors.
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_using_themes
Determines whether the current request should use themes.
wp_doing_ajax
Determines whether the current request is a WordPress Ajax request.
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wp_is_ini_value_changeable
Determines whether a PHP ini value is changeable at runtime.
wp_convert_hr_to_bytes
Converts a shorthand byte value to an integer byte value.
is_ssl
Determines if SSL is used.
wp_installing
Check or set whether WordPress is in “installation” mode.
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wp_load_translations_early
Attempt an early load of translations.
get_current_network_id
Retrieves the current network ID.
get_current_blog_id
Retrieve the current site ID.