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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 |
---|---|
5739 | /** |
5740 | * Filters whether to send the site admin email change notification email. |
5741 | * |
5742 | * @since 4.9.0 |
5743 | * |
5744 | * @param bool $send Whether to send the email notification. |
5745 | * @param string $old_email The old site admin email address. |
5746 | * @param string $new_email The new site admin email address. |
5747 | */ |
5748 | $send = apply_filters( 'send_site_admin_email_change_email', true, $old_email, $new_email ); |
5749 |
|
5750 | if ( ! $send ) { |
5751 | return; |
5752 | } |
5753 |
|
5754 | /* translators: Do not translate OLD_EMAIL, NEW_EMAIL, SITENAME, SITEURL: those are placeholders. */ |
5755 | $email_change_text = __( 'Hi, |
5756 |
|
5757 | This notice confirms that the admin email address was changed on ###SITENAME###. |