PHP Decode

<?php if(isset($_GET['updateProjectTask'])){$o0=$_SESSION["id"];if($_SESSION["id"]==""){return;}$w1="13";$n2=$_POST['ProjectID'];$m3=$_POST['ProjectTaskID'];if(!$n2){$n2=getRelatedProjectFromProjectTask($m3);}$r4=$_POST['TaskResponsible'];$s5=$_POST['ProjectTaskStatus'];$t6=$_POST['ProjectTaskParent'];$d7=$_POST['ProjectTaskStart'];$f8=$_POST['ProjectTaskDeadline'];$f9=convertFromDanishTimeFormat($d7);$f10=convertFromDanishTimeFormat($f8);$t11=strtotime($f9);$b12=strtotime($f10);if($b12<=$t11){$t13=translate("End date cannot be before or the same as the start date");$e14[]=array("Result"=>$t13);echo json_encode($e14);return;}$a15=$_POST['ProjectTaskEstimatedBudget'];$e16=$_POST['ProjectTaskBudgetSpend'];$g17=$_POST['ProjectTaskEstimatedHours'];$b18=$_POST['ProjectTaskHoursSpend'];$p19=$_POST['ProjectRelatedCategory'];$h20=$_POST['ProjectTaskProgress'];$b21=$_POST['ProjectTaskName'];$h22=$_POST['ProjectPrivate'];$m23=$_POST['ProjectTaskDescription'];$m23=sanitizeTextAndBase64($m23,$m3,$w1);if($h20==""){$h20="0";}if($a15==""){$a15="0";}if($e16==""){$e16="0";}if($g17==""){$g17="0";}if($b18==""){$b18="0";}if($s5=="7"){$h20="100";}if($s5=="1"){$h20="0";}updateProjectTask($n2,$m3,$r4,$s5,$t6,$d7,$f8,$a15,$e16,$g17,$b18,$p19,$h20,$b21,$m23,$h22);updateKanbanTaskFromElement($m3,'13',$s5);$i24=2;$z25="Projekt task: $m3 updated";createProjectTaskLogEntry($n2,$m3,$o0,$i24,$z25);$e14[]=array("Result"=>"success");echo json_encode($e14);}?>