Help!

Hello;
I use some functions in another site, but when I want to use the theme Customizr, nothing works. I’m not a coder doncn I can write anything, I’m a beginner.
I would use these functions:

add_action ('pre_ping »,« mes_pings');
define ('WP_POST_REVISIONS', 2);
fonction edit_admin_bar () {
    $ wp_admin_bar mondiale;
    $ Wp_admin_bar-> remove_menu («wp-logo»); / / Logo
    $ Wp_admin_bar-> remove_menu («à propos»); / / A propos de WordPress
    $ Wp_admin_bar-> remove_menu ('wporg'); / / WordPress.org
    $ Wp_admin_bar-> remove_menu («documentation»); / / Documentation
    $ Wp_admin_bar-> remove_menu (support-forums "); / / Forum de support
    $ Wp_admin_bar-> remove_menu («feedback»); / / Remarque
    $ Wp_admin_bar-> remove_menu («vue du site»); / / Aller voir le site de
}
add_action ('wp_before_admin_bar_render »,« edit_admin_bar');
add_filter ('login_errors », create_function (' $ a '," retour "Not so fast guess guy! Give The Good info!"; "));
fonction remove_footer_admin () {
echo "Welcome | The est site";
}
fonction change_footer_version () {
    $ Current_theme_info current_theme_info = ();
    return $ current_theme_info-> nom. »- Version '. $ Current_theme_info-> Version;
}
add_filter ('sanitize_file_name »,« remove_accents');

add_filter ('update_footer »,« change_footer_version', 999);

add_filter ('admin_footer_text »,« remove_footer_admin');
add_filter ('wp_mail_from »,« new_mail_from');
add_filter ('wp_mail_from_name »,« new_mail_from_name');
fonction new_mail_from ($ old) {
retourner 'myemail@mail.com';
}
fonction new_mail_from_name ($ old) {
retourner 'MySite';
}
/ / Display the admin bar only for administrators
if (! current_user_can ('manage_options')) {
add_filter ('show_admin_bar »,« __return_false');
}
fonction next_posts_link_nofollow ($ content) {
retourner 'rel = "nofollow"';
}

add_filter ('previous_posts_link_attributes »,« next_posts_link_nofollow');
add_filter ('next_posts_link_attributes »,« next_posts_link_nofollow');

add_action ('get_header »,« gkp_html_minify_start');
fonction gkp_html_minify_start () {
    ob_start ('gkp_html_minyfy_finish');
}
add_action ('wp', 'baw_non_duplicate_content');
fonction baw_non_duplicate_content ($ wp)
{

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Can you change it for me to work with the theme Customizr?
Thank you and thank you already for the theme.