install_langselect.inc.php

<?php
 
if ( ! defined( '_INSTALL_L128' ) ) {
    define( '_INSTALL_L128', 'Select a language for the installation process' );
}
 
$langarr = getDirList( './language/' );
 
$php7   = ( version_compare(PHP_VERSION, '7.4.0') >= 0 );
 
foreach ( $langarr as $lang ) {
    if ( $php7 && 'english' !== $lang && '_utf8' !== substr( $lang, - 5 ) ) {
        continue;
    }
    $wizard->addArray( 'languages', $lang );
    if ( strtolower( $lang ) === $language ) {
        $wizard->addArray( 'selected', 'selected="selected"' );
    } else {
        $wizard->addArray( 'selected', '' );
    }
}
 
$wizard->render( 'install_langselect.tpl.php' );