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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 |
---|---|
1387 |
|
1388 | /** |
1389 | * Filter the comment notification email text. |
1390 | * |
1391 | * @since 1.5.2 |
1392 | * |
1393 | * @param string $notify_message The comment notification email text. |
1394 | * @param int $comment_id Comment ID. |
1395 | */ |
1396 | $notify_message = apply_filters( 'comment_notification_text', $notify_message, $comment_id ); |
1397 |
|
1398 | /** |
1399 | * Filter the comment notification email subject. |
1400 | * |
1401 | * @since 1.5.2 |
1402 | * |
1403 | * @param string $subject The comment notification email subject. |
1404 | * @param int $comment_id Comment ID. |
1405 | */ |