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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 |
|---|---|
| 936 | * |
| 937 | * @since MU |
| 938 | * |
| 939 | * @param string $subject Subject of the notification email. |
| 940 | * @param string $user User login name. |
| 941 | * @param string $user_email User email address. |
| 942 | * @param string $key Activation key created in wpmu_signup_user(). |
| 943 | * @param array $meta Signup meta data. |
| 944 | */ |
| 945 | apply_filters( 'wpmu_signup_user_notification_subject', |
| 946 | __( '[%1$s] Activate %2$s' ), |
| 947 | $user, $user_email, $key, $meta |
| 948 | ), |
| 949 | $from_name, |
| 950 | $user |
| 951 | ); |
| 952 | wp_mail( $user_email, wp_specialchars_decode( $subject ), $message, $message_headers ); |
| 953 | return true; |
| 954 | } |