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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 |
|---|---|
| 1007 | $blogname = get_option( 'blogname' ); |
| 1008 | $siteurl = site_url(); |
| 1009 | restore_current_blog(); |
| 1010 | |
| 1011 | $msg = sprintf( __( 'New Site: %1$s |
| 1012 | URL: %2$s |
| 1013 | Remote IP: %3$s |
| 1014 | |
| 1015 | Disable these notifications: %4$s' ), $blogname, $siteurl, wp_unslash( $_SERVER['REMOTE_ADDR'] ), $options_site_url); |
| 1016 | $msg = apply_filters( 'newblog_notify_siteadmin', $msg ); |
| 1017 | |
| 1018 | wp_mail( $email, sprintf( __( 'New Site Registration: %s' ), $siteurl ), $msg ); |
| 1019 | return true; |
| 1020 | } |
| 1021 | |
| 1022 | /** |
| 1023 | * Notifies the network admin that a new user has been activated. |
| 1024 | * |
| 1025 | * Filter 'newuser_notify_siteadmin' to change the content of |