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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 |
|---|---|
| 1023 | $blogname = get_option( 'blogname' ); |
| 1024 | $siteurl = site_url(); |
| 1025 | restore_current_blog(); |
| 1026 | |
| 1027 | $msg = sprintf( __( 'New Site: %1s |
| 1028 | URL: %2s |
| 1029 | Remote IP: %3s |
| 1030 | |
| 1031 | Disable these notifications: %4s' ), $blogname, $siteurl, $_SERVER['REMOTE_ADDR'], $options_site_url); |
| 1032 | $msg = apply_filters( 'newblog_notify_siteadmin', $msg ); |
| 1033 | |
| 1034 | wp_mail( $email, sprintf( __( 'New Site Registration: %s' ), $siteurl ), $msg ); |
| 1035 | return true; |
| 1036 | } |
| 1037 | |
| 1038 | /** |
| 1039 | * Notifies the network admin that a new user has been activated. |
| 1040 | * |
| 1041 | * Filter 'newuser_notify_siteadmin' to change the content of |