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@benenoo

Try to use this code snippet for UTF-8 safe display name capitalization.

Install into your active theme’s functions.php file
or use the “Code Snippets” plugin.

add_filter( 'um_user_display_name_filter', 'um_user_display_name_filter_custom', 10, 3 );

function um_user_display_name_filter_custom( $name, $user_id, $html ) {

    $chars = mb_str_split( $name );
    $cap_name = '';
    $cap = true;
    foreach( $chars as $char ) {
        if( $cap ) {
            $cap_name .= mb_strtoupper( $char );
            $cap = false;
        } else {
            $cap_name .= $char;
            if( $char == ' ' || $char == '-' ) $cap = true;
        }
    }

    return $cap_name;
}

Thanks, but this code give me error blank page

@benenoo

It’s probably an issue with the Multibyte String library is missing in PHP.

If you have access to cPanel you can add this library as mbstring to your current PHP installation.

Ok will ask to the hosting and tell you

@benenoo

I have added a test to exit without capitalizing the display name if the PHP Multibyte Extension is not loaded.

add_filter( 'um_user_display_name_filter', 'um_user_display_name_filter_custom', 10, 3 );

function um_user_display_name_filter_custom( $name, $user_id, $html ) {

    if( !extension_loaded('mbstring')) return $name;

    $chars = mb_str_split( $name );
    $cap_name = '';
    $cap = true;
    foreach( $chars as $char ) {
        if( $cap ) {
            $cap_name .= mb_strtoupper( $char );
            $cap = false;
        } else {
            $cap_name .= $char;
            if( $char == ' ' || $char == '-' ) $cap = true;
        }
    }

    return $cap_name;
}

I get the same error

@benenoo

How do you install the code snippet?

@benenoo

More changes:
New function name if you already have a conflict with a function with previous name.
Changing the display name all characters to lowercase before capitalizing.
Keep lowercase for these attributes: von, de, duc, d’, da, del, y

add_filter( 'um_user_display_name_filter', 'um_user_display_name_filter_capitalization', 10, 3 );

function um_user_display_name_filter_capitalization( $name, $user_id, $html ) {

    if( !extension_loaded( 'mbstring' )) return $name;

    $chars = mb_str_split( mb_strtolower( $name ));

    $cap = true;
    $cap_flags = array( ' ', '-', "'" );
    $cap_name = '';

    foreach( $chars as $char ) {
        if( $cap ) {
            $cap_name .= mb_strtoupper( $char );
            $cap = false;
        } else {
            $cap_name .= $char;
            if( in_array( $char, $cap_flags )) $cap = true;
        }
    }

    $cap_language = array();
    $cap_language['lower'] = array( ' von ', ' de ', ' duc ', " d'", ' da ', ' del ', ' y ' );
    $cap_language['upper'] = array( ' Von ', ' De ', ' Duc ', " D'", ' Da ', ' Del ', ' Y ' );

    $cap_name = str_replace( $cap_language['upper'], $cap_language['lower'], $cap_name );

    return $cap_name;
}

Hello, thanks working well thanks ??
I make a test with my name, its OK

But its working for all fisrt and last name ? And for all language ? ( my website is in FR/EN/ES/DE/IT/PT )

because of this line : Keep lowercase for these attributes: von, de, duc, d’, da, del, y

Thanks very much

Michel

• This reply was modified 2 years, 5 months ago by benenoo.

@benenoo

But its working for all fisrt and last name ? And for all language ? ( my website is in FR/EN/ES/DE/IT/PT )

because of this line : Keep lowercase for these attributes: von, de, duc, d’, da, del, y

I used this guide for defining these attributes:

https://libguides.dickinson.edu/citing/mla7capitalization

Maybe I should make these attributes easy to add new or delete in UM Settings?

• This reply was modified 2 years, 5 months ago by missveronica.

@benenoo

More changes:
Now Mc will be followed by a capital character like in McDonald

add_filter( 'um_user_display_name_filter', 'um_user_display_name_filter_capitalization', 10, 3 );

function um_user_display_name_filter_capitalization( $name, $user_id, $html ) {

    if( !extension_loaded( 'mbstring' )) return $name;

    $chars = mb_str_split( mb_strtolower( $name ));

    $cap = true;
    $cap_flags = array( ' ', '-', "'" );
    $cap_name = '';

    foreach( $chars as $char ) {
        if( $cap ) {
            $cap_name .= mb_strtoupper( $char );
            $cap = false;
        } else {
            $cap_name .= $char;
            if( in_array( $char, $cap_flags )) $cap = true;
        }
    }

    $cap_language = array();
    $cap_language['lower'] = array( ' von ', ' de ', ' duc ', " d'", ' da ', ' del ', ' y ' );
    $cap_language['upper'] = array( ' Von ', ' De ', ' Duc ', " D'", ' Da ', ' Del ', ' Y ' );

    $cap_name = str_replace( $cap_language['upper'], $cap_language['lower'], $cap_name );

    if( mb_strpos( $cap_name, 'Mc' ) !== false ) {
        $strings = explode( 'Mc', $cap_name );        
        $cap_name = $strings[0] . 'Mc' . mb_strtoupper( mb_substr( $strings[1], 0, 1 )) . mb_substr( $strings[1], 1 );
    }

    return $cap_name;
}

Thanks works well ??

@benenoo

UM new feature request:

https://github.com/ultimatemember/ultimatemember/issues/1079

@benenoo

Now you can download and replace this code snippet with the UM improved version:

“Force Capitalization of Display Name( First and Last Names )”

from the UM free Extended plugins at:

https://github.com/ultimatemember/Extended