pre_user_login
Filter Hook: Filters a username after it has been sanitized.
Source: wp-includes/user.php:2134
pre_user_nicename
Filter Hook: Filters a user’s nicename before the user is created or updated.
Source: wp-includes/user.php:2182
pre_user_nickname
Filter Hook: Filters a user’s nickname before the user is created or updated.
Source: wp-includes/user.php:2262
pre_user_query
Action Hook: Fires after the WP_User_Query has been parsed, and before the query is executed.
Source: wp-includes/class-wp-user-query.php:818
pre_user_url
Filter Hook: Filters a user’s URL before the user is created or updated.
Source: wp-includes/user.php:2234
pre_wp_filesize
Filter Hook: Filters the result of wp_filesize before the PHP function is run.
Source: wp-includes/functions.php:3536
pre_wp_is_site_initialized
Filter Hook: Filters the check for whether a site is initialized before the database is accessed.
Source: wp-includes/ms-site.php:927
pre_wp_list_authors_post_counts_query
Filter Hook: Filters whether to short-circuit performing the query for author post counts.
Source: wp-includes/author-template.php:481
pre_wp_load_alloptions
Filter Hook: Filters the array of alloptions before it is populated.
Source: wp-includes/option.php:315
pre_wp_mail
Filter Hook: Filters whether to preempt sending an email.
Source: wp-includes/pluggable.php:214