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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 |
|---|---|
| 4744 | * |
| 4745 | * @type WP_User_Request $request User request object. |
| 4746 | * @type string $email The email address this is being sent to. |
| 4747 | * @type string $description Description of the action being performed so the user knows what the email is for. |
| 4748 | * @type string $confirm_url The link to click on to confirm the account action. |
| 4749 | * @type string $sitename The site name sending the mail. |
| 4750 | * @type string $siteurl The site URL sending the mail. |
| 4751 | * } |
| 4752 | */ |
| 4753 | $content = apply_filters( 'user_request_action_email_content', $content, $email_data ); |
| 4754 | |
| 4755 | $content = str_replace( '###DESCRIPTION###', $email_data['description'], $content ); |
| 4756 | $content = str_replace( '###CONFIRM_URL###', sanitize_url( $email_data['confirm_url'] ), $content ); |
| 4757 | $content = str_replace( '###EMAIL###', $email_data['email'], $content ); |
| 4758 | $content = str_replace( '###SITENAME###', $email_data['sitename'], $content ); |
| 4759 | $content = str_replace( '###SITEURL###', sanitize_url( $email_data['siteurl'] ), $content ); |
| 4760 | |
| 4761 | $headers = ''; |
| 4762 | |