[ad_1] refer to in_array <?php if(isset($_GET[“poscon”])) { $_SESSION[“poscon”] = $_GET[“poscon”]; $dr=$_SESSION[‘poscon’]; if(isset($_POST[‘submit’])) { if(!empty($_GET[‘poscon’])) $_SESSION[‘poscon’] = $_POST[‘poscon’]; $part=$_GET[“poscon”]; } $poscon=mysqli_real_escape_string($link,$_GET[‘poscon’]); $p = mysqli_query($link,”select distinct PossibleCondition,Symptoms from healthguide where Subpart like ‘%$poscon%’ and PossibleCondition REGEXP ‘^[N-Z].*$’ Order by PossibleCondition “); while($r=mysqli_fetch_array($p)) { $pc=$r[“PossibleCondition”]; $sym=$r[“Symptoms”]; if(isset($_POST) && isset($_POST[‘poscon’]) && in_array($pc,$_POST[‘poscon’])) $strIsChecked=’checked=”checked”‘; else $strIsChecked=null; echo ‘<tr>’; echo ‘<td><input … Read more