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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 |
|---|---|
| 1546 | ); |
| 1547 | |
| 1548 | /** |
| 1549 | * Filters the subject of the email sent when a change of site admin email address is attempted. |
| 1550 | * |
| 1551 | * @since 6.5.0 |
| 1552 | * |
| 1553 | * @param string $subject Subject of the email. |
| 1554 | */ |
| 1555 | $subject = apply_filters( 'new_admin_email_subject', $subject ); |
| 1556 | |
| 1557 | wp_mail( $value, $subject, $content ); |
| 1558 | |
| 1559 | if ( $switched_locale ) { |
| 1560 | restore_previous_locale(); |
| 1561 | } |
| 1562 | } |
| 1563 | |
| 1564 | /** |