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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 |
|---|---|
| 1219 | Disable these notifications: %4$s' ), $blogname, $siteurl, wp_unslash( $_SERVER['REMOTE_ADDR'] ), $options_site_url); |
| 1220 | /** |
| 1221 | * Filter the message body of the new site activation email sent |
| 1222 | * to the network administrator. |
| 1223 | * |
| 1224 | * @since MU |
| 1225 | * |
| 1226 | * @param string $msg Email body. |
| 1227 | */ |
| 1228 | $msg = apply_filters( 'newblog_notify_siteadmin', $msg ); |
| 1229 | |
| 1230 | wp_mail( $email, sprintf( __( 'New Site Registration: %s' ), $siteurl ), $msg ); |
| 1231 | return true; |
| 1232 | } |
| 1233 | |
| 1234 | /** |
| 1235 | * Notifies the network admin that a new user has been activated. |
| 1236 | * |
| 1237 | * Filter 'newuser_notify_siteadmin' to change the content of |