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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 1856 | * |
| 1857 | * @type string $to The intended recipient - site admin email address. |
| 1858 | * @type string $subject The subject of the email. |
| 1859 | * @type string $message The body of the email. |
| 1860 | * @type string $headers The headers of the email. |
| 1861 | * } |
| 1862 | * @param WP_User $user User object for new user. |
| 1863 | * @param string $blogname The site title. |
| 1864 | */ |
| 1865 | $wp_new_user_notification_email_admin = apply_filters( 'wp_new_user_notification_email_admin', $wp_new_user_notification_email_admin, $user, $blogname ); |
| 1866 | |
| 1867 | @wp_mail( |
| 1868 | $wp_new_user_notification_email_admin['to'], |
| 1869 | wp_specialchars_decode( sprintf( $wp_new_user_notification_email_admin['subject'], $blogname ) ), |
| 1870 | $wp_new_user_notification_email_admin['message'], |
| 1871 | $wp_new_user_notification_email_admin['headers'] |
| 1872 | ); |
| 1873 | |
| 1874 | if ( $switched_locale ) { |