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pre_user_description

Filters a user’s description before the user is created or updated.

pre_user_display_name

Filters a user’s display name before the user is created or updated.

pre_user_first_name

Filters a user’s first name before the user is created or updated.

pre_user_last_name

Filters a user’s last name before the user is created or updated.

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pre_user_nickname

Filters a user’s nickname before the user is created or updated.

pre_user_url

Filters a user’s URL before the user is created or updated.

pre_user_email

Filters a user’s email before the user is created or updated.

pre_user_nicename

Filters a user’s nicename before the user is created or updated.

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pre_category_nicename

Filters the category nicename before it is sanitized.

wp_hash

Get hash of given string.

wp_create_nonce

Creates a cryptographic token tied to a specific action, user, user session, and window of time.

wp_verify_nonce

Verifies that a correct security nonce was used with time limit.

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check_ajax_referer

Verifies the Ajax request to prevent processing requests external of the blog.

wp_set_current_user

Changes the current user by ID or name.