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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 |
|---|---|
| 2740 | * |
| 2741 | * @param string $email_text Text in the email. |
| 2742 | * @param array $new_admin_email { |
| 2743 | * Data relating to the new network admin email address. |
| 2744 | * |
| 2745 | * @type string $hash The secure hash used in the confirmation link URL. |
| 2746 | * @type string $newemail The proposed new network admin email address. |
| 2747 | * } |
| 2748 | */ |
| 2749 | $content = apply_filters( 'new_network_admin_email_content', $email_text, $new_admin_email ); |
| 2750 | |
| 2751 | $current_user = wp_get_current_user(); |
| 2752 | $content = str_replace( '###USERNAME###', $current_user->user_login, $content ); |
| 2753 | $content = str_replace( '###ADMIN_URL###', esc_url( network_admin_url( 'settings.php?network_admin_hash=' . $hash ) ), $content ); |
| 2754 | $content = str_replace( '###EMAIL###', $value, $content ); |
| 2755 | $content = str_replace( '###SITENAME###', wp_specialchars_decode( get_site_option( 'site_name' ), ENT_QUOTES ), $content ); |
| 2756 | $content = str_replace( '###SITEURL###', network_home_url(), $content ); |
| 2757 | |
| 2758 | wp_mail( |