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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 |
|---|---|
| 399 | * ###EMAIL### The new email. |
| 400 | * ###SITENAME### The name of the site. |
| 401 | * ###SITEURL### The URL to the site. |
| 402 | * |
| 403 | * @since MU |
| 404 | * |
| 405 | * @param string $email_text Text in the email. |
| 406 | * @param string $new_user_email New user email that the current user has changed to. |
| 407 | */ |
| 408 | $content = apply_filters( 'new_user_email_content', $email_text, $new_user_email ); |
| 409 | |
| 410 | $content = str_replace( '###USERNAME###', $current_user->user_login, $content ); |
| 411 | $content = str_replace( '###ADMIN_URL###', esc_url( self_admin_url( 'profile.php?newuseremail=' . $hash ) ), $content ); |
| 412 | $content = str_replace( '###EMAIL###', $_POST['email'], $content); |
| 413 | $content = str_replace( '###SITENAME###', wp_specialchars_decode( get_site_option( 'site_name' ), ENT_QUOTES ), $content ); |
| 414 | $content = str_replace( '###SITEURL###', network_home_url(), $content ); |
| 415 | |
| 416 | wp_mail( $_POST['email'], sprintf( __( '[%s] New Email Address' ), wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ) ), $content ); |
| 417 | $_POST['email'] = $current_user->user_email; |