Title: wp-includes/pluggable.php | Developer.WordPress.org --- # File: wp-includes/pluggable.php * hook[wp_mail_embed_args](https://developer.wordpress.org/reference/hooks/wp_mail_embed_args/) * Filters the arguments for PHPMailer’s addEmbeddedImage() method. * Used by [1 function](https://developer.wordpress.org/reference/hooks/wp_mail_embed_args/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_mail_embed_args/#uses) | Source: [wp-includes/pluggable.php:588](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L588-L598) * hook[wp_hash_password_algorithm](https://developer.wordpress.org/reference/hooks/wp_hash_password_algorithm/) * Filters the hashing algorithm to use in the password_hash() and password_needs_rehash() functions. * Used by [2 functions](https://developer.wordpress.org/reference/hooks/wp_hash_password_algorithm/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_hash_password_algorithm/#uses) | Source: [wp-includes/pluggable.php:2785](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2785-L2785) * hook[wp_hash_password_options](https://developer.wordpress.org/reference/hooks/wp_hash_password_options/) * Filters the options passed to the password_hash() and password_needs_rehash() functions. * Used by [2 functions](https://developer.wordpress.org/reference/hooks/wp_hash_password_options/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_hash_password_options/#uses) | Source: [wp-includes/pluggable.php:2801](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2801-L2801) * function[wp_password_needs_rehash()](https://developer.wordpress.org/reference/functions/wp_password_needs_rehash/) * Checks whether a password hash needs to be rehashed. * Used by [2 functions](https://developer.wordpress.org/reference/functions/wp_password_needs_rehash/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/wp_password_needs_rehash/#uses) | Source: [wp-includes/pluggable.php:2907](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2907-L2941) * hook[password_needs_rehash](https://developer.wordpress.org/reference/hooks/password_needs_rehash/) * Filters whether the password hash needs to be rehashed. * Used by [1 function](https://developer.wordpress.org/reference/hooks/password_needs_rehash/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/password_needs_rehash/#uses) | Source: [wp-includes/pluggable.php:2940](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2940-L2940) * hook[wp_set_password](https://developer.wordpress.org/reference/hooks/wp_set_password/) * Fires after the user password is set. * Used by [3 functions](https://developer.wordpress.org/reference/hooks/wp_set_password/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_set_password/#uses) | Source: [wp-includes/pluggable.php:3130](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L3130-L3130) * hook[wp_send_new_user_notification_to_admin](https://developer.wordpress.org/reference/hooks/wp_send_new_user_notification_to_admin/) * Filters whether the admin is notified of a new user registration. * Used by [1 function](https://developer.wordpress.org/reference/hooks/wp_send_new_user_notification_to_admin/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_send_new_user_notification_to_admin/#uses) | Source: [wp-includes/pluggable.php:2296](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2296-L2296) * hook[wp_send_new_user_notification_to_user](https://developer.wordpress.org/reference/hooks/wp_send_new_user_notification_to_user/) * Filters whether the user is notified of their new user registration. * Used by [1 function](https://developer.wordpress.org/reference/hooks/wp_send_new_user_notification_to_user/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_send_new_user_notification_to_user/#uses) | Source: [wp-includes/pluggable.php:2361](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2361-L2361) * hook[wp_mail_succeeded](https://developer.wordpress.org/reference/hooks/wp_mail_succeeded/) * Fires after PHPMailer has successfully sent an email. * Used by [1 function](https://developer.wordpress.org/reference/hooks/wp_mail_succeeded/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_mail_succeeded/#uses) | Source: [wp-includes/pluggable.php:651](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L651-L651) * hook[pre_wp_mail](https://developer.wordpress.org/reference/hooks/pre_wp_mail/) * Filters whether to preempt sending an email. * Used by [1 function](https://developer.wordpress.org/reference/hooks/pre_wp_mail/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre_wp_mail/#uses) | Source: [wp-includes/pluggable.php:233](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L233-L233) * hook[x_redirect_by](https://developer.wordpress.org/reference/hooks/x_redirect_by/) * Filters the value of the `X-Redirect-By` HTTP header. * Used by [1 function](https://developer.wordpress.org/reference/hooks/x_redirect_by/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/x_redirect_by/#uses) | Source: [wp-includes/pluggable.php:1533](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L1533-L1533) * hook[wp_new_user_notification_email](https://developer.wordpress.org/reference/hooks/wp_new_user_notification_email/) * Filters the contents of the new user notification email sent to the new user. * Used by [1 function](https://developer.wordpress.org/reference/hooks/wp_new_user_notification_email/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_new_user_notification_email/#uses) | Source: [wp-includes/pluggable.php:2412](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2412-L2412) * hook[wp_password_change_notification_email](https://developer.wordpress.org/reference/hooks/wp_password_change_notification_email/) * Filters the contents of the password change notification email sent to the site admin. * Used by [1 function](https://developer.wordpress.org/reference/hooks/wp_password_change_notification_email/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_password_change_notification_email/#uses) | Source: [wp-includes/pluggable.php:2238](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2238-L2238) * hook[wp_new_user_notification_email_admin](https://developer.wordpress.org/reference/hooks/wp_new_user_notification_email_admin/) * Filters the contents of the new user notification email sent to the site admin. * Used by [1 function](https://developer.wordpress.org/reference/hooks/wp_new_user_notification_email_admin/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_new_user_notification_email_admin/#uses) | Source: [wp-includes/pluggable.php:2339](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2339-L2339) * hook[send_auth_cookies](https://developer.wordpress.org/reference/hooks/send_auth_cookies/) * Allows preventing auth cookies from actually being sent to the client. * Used by [2 functions](https://developer.wordpress.org/reference/hooks/send_auth_cookies/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/send_auth_cookies/#uses) | Source: [wp-includes/pluggable.php:1189](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L1189-L1189) * hook[wp_verify_nonce_failed](https://developer.wordpress.org/reference/hooks/wp_verify_nonce_failed/) * Fires when nonce verification fails. * Used by [1 function](https://developer.wordpress.org/reference/hooks/wp_verify_nonce_failed/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_verify_nonce_failed/#uses) | Source: [wp-includes/pluggable.php:2515](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2515-L2515) * hook[notify_moderator](https://developer.wordpress.org/reference/hooks/notify_moderator/) * Filters whether to send the site moderator email notifications, overriding the site setting. * Used by [2 functions](https://developer.wordpress.org/reference/hooks/notify_moderator/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/notify_moderator/#uses) | Source: [wp-includes/pluggable.php:2018](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2018-L2018) * hook[wp_mail_failed](https://developer.wordpress.org/reference/hooks/wp_mail_failed/) * Fires after a PHPMailer exception is caught. * Used by [1 function](https://developer.wordpress.org/reference/hooks/wp_mail_failed/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_mail_failed/#uses) | Source: [wp-includes/pluggable.php:665](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L665-L665) * hook[wp_safe_redirect_fallback](https://developer.wordpress.org/reference/hooks/wp_safe_redirect_fallback/) * Filters the redirect fallback URL for when the provided redirect is not safe ( local). * Used by [1 function](https://developer.wordpress.org/reference/hooks/wp_safe_redirect_fallback/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_safe_redirect_fallback/#uses) | Source: [wp-includes/pluggable.php:1641](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L1641-L1641) * hook[pre_get_avatar](https://developer.wordpress.org/reference/hooks/pre_get_avatar/) * Allows the HTML for a user’s avatar to be returned early. * Used by [1 function](https://developer.wordpress.org/reference/hooks/pre_get_avatar/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre_get_avatar/#uses) | Source: [wp-includes/pluggable.php:3251](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L3251-L3251) * hook[auth_cookie_bad_session_token](https://developer.wordpress.org/reference/hooks/auth_cookie_bad_session_token/) * Fires if a bad session token is encountered. * Used by [1 function](https://developer.wordpress.org/reference/hooks/auth_cookie_bad_session_token/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/auth_cookie_bad_session_token/#uses) | Source: [wp-includes/pluggable.php:906](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L906-L906) * function[wp_set_password()](https://developer.wordpress.org/reference/functions/wp_set_password/) * Updates the user’s password with a new hashed one. * Used by [3 functions](https://developer.wordpress.org/reference/functions/wp_set_password/#used-by) | Uses [5 functions](https://developer.wordpress.org/reference/functions/wp_set_password/#uses) | Source: [wp-includes/pluggable.php:3099](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L3099-L3131) * function[get_avatar()](https://developer.wordpress.org/reference/functions/get_avatar/) * Retrieves the avatar “ tag for a user, email address, MD5 hash, comment, or post. * Used by [13 functions](https://developer.wordpress.org/reference/functions/get_avatar/#used-by) | Uses [10 functions](https://developer.wordpress.org/reference/functions/get_avatar/#uses) | Source: [wp-includes/pluggable.php:3193](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L3193-L3354) * hook[get_avatar](https://developer.wordpress.org/reference/hooks/get_avatar/) * Filters the HTML for a user’s avatar. * Used by [1 function](https://developer.wordpress.org/reference/hooks/get_avatar/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/get_avatar/#uses) | Source: [wp-includes/pluggable.php:3353](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L3353-L3353) * function[wp_text_diff()](https://developer.wordpress.org/reference/functions/wp_text_diff/) * Displays a human readable HTML representation of the difference between two strings. * Used by [1 function](https://developer.wordpress.org/reference/functions/wp_text_diff/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/wp_text_diff/#uses) | Source: [wp-includes/pluggable.php:3387](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L3387-L3446) * function[wp_generate_password()](https://developer.wordpress.org/reference/functions/wp_generate_password/) * Generates a random password drawn from the defined set of characters. * Used by [22 functions](https://developer.wordpress.org/reference/functions/wp_generate_password/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/wp_generate_password/#uses) | Source: [wp-includes/pluggable.php:2960](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2960-L2986) * hook[comment_moderation_subject](https://developer.wordpress.org/reference/hooks/comment_moderation_subject/) * Filters the comment moderation email subject. * Used by [1 function](https://developer.wordpress.org/reference/hooks/comment_moderation_subject/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/comment_moderation_subject/#uses) | Source: [wp-includes/pluggable.php:2170](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2170-L2170) * hook[random_password](https://developer.wordpress.org/reference/hooks/random_password/) * Filters the randomly-generated password. * Used by [1 function](https://developer.wordpress.org/reference/hooks/random_password/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/random_password/#uses) | Source: [wp-includes/pluggable.php:2985](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2985-L2985) * hook[comment_moderation_headers](https://developer.wordpress.org/reference/hooks/comment_moderation_headers/) * Filters the comment moderation email headers. * Used by [1 function](https://developer.wordpress.org/reference/hooks/comment_moderation_headers/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/comment_moderation_headers/#uses) | Source: [wp-includes/pluggable.php:2069](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2069-L2069) * function[wp_rand()](https://developer.wordpress.org/reference/functions/wp_rand/) * Generates a random non-negative number. * Used by [7 functions](https://developer.wordpress.org/reference/functions/wp_rand/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/wp_rand/#uses) | Source: [wp-includes/pluggable.php:3005](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L3005-L3077) 1 [2](https://developer.wordpress.org/reference/files/wp-includes/pluggable.php/page/2/?output_format=md) [3](https://developer.wordpress.org/reference/files/wp-includes/pluggable.php/page/3/?output_format=md) [4](https://developer.wordpress.org/reference/files/wp-includes/pluggable.php/page/4/?output_format=md) [Next Page](https://developer.wordpress.org/reference/files/wp-includes/pluggable.php/page/2/?output_format=md)