artnik7

vtxyzzy
I’m already solve the problem but it was to complexly. In general I need to disable whole plugin for specific category (with slug “blog”). But any of default WP functions doesn’t works in the begin of plugin file, maybe thats because them should be used using add_filter or add_actions.

I wrote a function

function is_blog() {
	$current_post_categs = get_the_category();
	$is_blog = false;
	foreach ($current_post_categs as $categ) {
		if ($categ->category_nicename == 'blog' || $categ->slug == 'blog') {
			$is_blog = true;
		}
	}
	return $is_blog;
}

And now I’m use this function in the begin of any plugin function. For example:

my_function() {
	if (is_blog()) return;
	// function content
}
add_filter('get_comment_link', 'my_function');

It works, but there are many functions in this plugin and for each of them I’ve add “if (is_blog()) return;”.

I’m trying to do something like this:

if (is_category('9') {
    // plugin content
})

sabinou1
Thanks! I have deactivate all plugins though phpMyAdmin and now control panel works. It remains to find a plugin which probably is not compatible with new version of WordPress.

Thank you, sabinou1!

header(“Content-type: text/html; charset=UTF-8”); will not halp to.
I’v already solved the problem in .htaccess file, that I’v upload in my WP home directory.
So… Create a file .htaccess with this code

AddDefaultCharset utf-8
AddCharset utf-8 *
<IfModule mod_charset.c>
    CharsetSourceEnc utf-8
    CharsetDefault utf-8
</IfModule>

and upload it into your site home directory, and it will work well!