The get_the_author_{$field} WordPress PHP filter allows you to modify the value of the requested user metadata. The filter name is dynamic and depends on the $field parameter of the function.
Usage
add_filter( 'get_the_author_meta', function( $value, $user_id, $original_user_id ) {
// your custom code here
return $value;
}, 10, 3 );
Parameters
$value(string) – The value of the metadata.$user_id(int) – The user ID for the value.$original_user_id(int|false) – The original user ID, as passed to the function.
More information
See WordPress Developer Resources: get_the_author_{$field}
Examples
Change display name to uppercase
This example changes the display name of the author to uppercase.
add_filter( 'get_the_author_display_name', function( $value, $user_id, $original_user_id ) {
return strtoupper( $value );
}, 10, 3 );
Add prefix to user email
This example adds a prefix to the author’s email.
add_filter( 'get_the_author_user_email', function( $value, $user_id, $original_user_id ) {
return 'prefix_' . $value;
}, 10, 3 );
Modify user URL
This example adds a custom path to the author’s URL.
add_filter( 'get_the_author_user_url', function( $value, $user_id, $original_user_id ) {
return $value . '/custom-path';
}, 10, 3 );
Change author’s first name
This example changes the author’s first name to “John”.
add_filter( 'get_the_author_first_name', function( $value, $user_id, $original_user_id ) {
return 'John';
}, 10, 3 );
Append text to author’s description
This example appends custom text to the author’s description.
add_filter( 'get_the_author_description', function( $value, $user_id, $original_user_id ) {
return $value . ' - Custom text';
}, 10, 3 );