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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 |
---|---|
3376 | * |
3377 | * @type WP_User_Request $request User request object. |
3378 | * @type string $email The email address this is being sent to. |
3379 | * @type string $description Description of the action being performed so the user knows what the email is for. |
3380 | * @type string $confirm_url The link to click on to confirm the account action. |
3381 | * @type string $sitename The site name sending the mail. |
3382 | * @type string $siteurl The site URL sending the mail. |
3383 | * } |
3384 | */ |
3385 | $subject = apply_filters( 'user_request_action_email_subject', $subject, $email_data['sitename'], $email_data ); |
3386 |
|
3387 | return wp_mail( $email_data['email'], $subject, $content ); |
3388 | } |
3389 |
|
3390 | /** |
3391 | * Returns a confirmation key for a user action and stores the hashed version for future comparison. |
3392 | * |
3393 | * @since 4.9.6 |
3394 | * |