PHP Decode

<?php include(base64_decode('Li4vaW5jbHVkZS9kYi5waHA='));include(base64_decode('Li4vaW5jbHVkZS9zZXR0aW5nLnBocA=='));include(base64_decode('Li4vaW5jbHVkZS9mdW5jdGlvbnMvZ2xvYmFsL2Z1bmN0aW9ucy5waHA='));include(base64_decode('Li4vaW5jbHVkZS9mdW5jdGlvbnMvY3Jvbi9mdW5jdGlvbnMucGhw'));header(base64_decode('QWNjZXNzLUNvbnRyb2wtQWxsb3ctT3JpZ2luOiAq'));header(base64_decode('Q29udGVudC1UeXBlOiBhcHBsaWNhdGlvbi9qc29uOyBjaGFyc2V0PVVURi04'));header(base64_decode('QWNjZXNzLUNvbnRyb2wtQWxsb3ctTWV0aG9kczogUE9TVA=='));header(base64_decode('QWNjZXNzLUNvbnRyb2wtQWxsb3ctSGVhZGVyczogQ29udGVudC1UeXBlLCBBY2Nlc3MtQ29udHJvbC1BbGxvdy1IZWFkZXJzLCBBdXRob3JpemF0aW9uLCBYLVJlcXVlc3RlZC1XaXRo'));function get_client_ip(){$ipaddress='';if(getenv(base64_decode('SFRUUF9DTElFTlRfSVA=')))$ipaddress=getenv(base64_decode('SFRUUF9DTElFTlRfSVA='));else if(getenv(base64_decode('SFRUUF9YX0ZPUldBUkRFRF9GT1I=')))$ipaddress=getenv(base64_decode('SFRUUF9YX0ZPUldBUkRFRF9GT1I='));else if(getenv(base64_decode('SFRUUF9YX0ZPUldBUkRFRA==')))$ipaddress=getenv(base64_decode('SFRUUF9YX0ZPUldBUkRFRA=='));else if(getenv(base64_decode('SFRUUF9GT1JXQVJERURfRk9S')))$ipaddress=getenv(base64_decode('SFRUUF9GT1JXQVJERURfRk9S'));else if(getenv(base64_decode('SFRUUF9GT1JXQVJERUQ=')))$ipaddress=getenv(base64_decode('SFRUUF9GT1JXQVJERUQ='));else if(getenv(base64_decode('UkVNT1RFX0FERFI=')))$ipaddress=getenv(base64_decode('UkVNT1RFX0FERFI='));else $ipaddress=base64_decode('VU5LTk9XTg==');return $ipaddress;}if(get_client_ip()!==base64_decode('MTI3LjAuMC4x')&&get_client_ip()!==base64_decode('Ojox')){$err_msg=base64_decode('dW5hdXRob3JpemUgYWNjZXNzIQ==');echo json_encode($err_msg);die();}$return_data=array();$stat=false;if(!empty($_REQUEST[base64_decode('YWN0aW9u')])||!empty($_REQUEST[base64_decode('YWN0')])){if(!empty($_REQUEST[base64_decode('YWN0')])){$_REQUEST[base64_decode('YWN0aW9u')]=$_REQUEST[base64_decode('YWN0')];}if(!empty($_REQUEST[base64_decode('YWN0aW9u')])){$_REQUEST[base64_decode('YWN0')]=$_REQUEST[base64_decode('YWN0aW9u')];}$data=array();foreach($_REQUEST as $rkey=>$rval){${$rkey}=mysqli_real_escape_string($con,$rval);$data[$rkey]=${$rkey};}if($act===base64_decode('ZGFpbHlnYW1l')||$act===base64_decode('c2NoZWR1bGVnYW1l')){$cron_act=cron_act($act,$data);$return_data=$cron_act;}}echo json_encode($return_data);?>