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<?php include("includes/css.php");
if(isset($_POST['update']))
{ extract($_POST);
$id=$_POST["id"];
$data1 = htmlentities( $_POST['data']);
$sql1 ="UPDATE  homeservice SET title='$title',data='$data1' WHERE id='$id'"; 
$res=mysqli_query($conn,$sql1) or die(mysqli_error());
if($res){
$sqlg = "SELECT * from homeservice where id = '$id'";
  $resultg = mysqli_query($conn,$sqlg) or die(mysqli_error());
  $resg = mysqli_fetch_object($resultg);
	if($_FILES["blog_img"]["name"] != ""){
	$oname=$_FILES["blog_img"]["name"];
	$pos = strrpos($oname, ".");
	$extension=substr($oname,$pos+1);
	$tn = $_FILES["blog_img"]["tmp_name"];
	$path = "images/".$resg->id.'.'.$extension;
	$upath = "images/".$resg->icon;
	unlink($upath);
	 move_uploaded_file($tn,$path);
	 $blog_image = $resg->id.'.'.$extension;
	} else {
	  $blog_image = $resg->icon;
	}
  $sqlup ="UPDATE homeservice SET icon='$blog_image' WHERE  id = $resg->id";
	$resultup = mysqli_query($conn,$sqlup) or die(mysqli_error());
     echo "<script>window.location.href='home-service-detail.php'</script>"; 
   }
}
?>

<body class="hold-transition skin-blue sidebar-mini">
	<div class="wrapper">
		<?php include("includes/header.php")?>
		<?php include("includes/sidebar.php")?>
		
		<div class="content-wrapper">
			
			
			<section class="content">
				<div class="row">
					<div class="col-md-12">
						<div class="box box-primary">
							<div class="box-header with-border"> 
									<h3 class="box-title">Edit Why Choose Us</h3> 
							</div>
							
							<div class="box-body">
								<form method="post" action="" enctype="multipart/form-data"> 
									<?php $id=$_GET['editid'];
									  $sql2="select * from homeservice where id='$id'";
                      $exe2=mysqli_query($conn,$sql2);
                     $res=mysqli_fetch_array($exe2); ?>
									  <input type="hidden" value="<?php echo $res['id'];?>" class="form-control" name="id" id="id">
									<div class="form-group"> 
										<div class="col-md-12">
											<label> Title:</label>
											<div class="input-group">
												<div class="input-group-addon">
													<i class="fa fa-suitcase"></i>
												</div>
												<input type="text" class="form-control" rows="2" name="title" value="<?php echo $res['title'];?>" placeholder="Enter Title">
											</div>
										</div> 
										
                    <div class="col-md-4">
											<label> Image:(800px x 600px)</label>
											<div class="input-group">
												<div class="input-group-addon">
													<i class="fa fa-suitcase"></i>
												</div>
												 <img src="images/<?php echo $res['icon']; ?>" width="40px">
												<input type="file" name="blog_img" class="form-control" >
											</div>  
										</div>
										<div class="col-md-12">
											<label> Description:</label>
											<div class="input-group">
												<div class="input-group-addon">
													<i class="fa fa-suitcase"></i>
												</div> 
												<textarea name="data" class="summernote" id="summernote" style="height:200px"><?php echo html_entity_decode($res['data']);  ?></textarea>
											</div>
										</div> 
										<div class="clearfix"></div> 
										<div class="col-md-2">
											<input type="submit" name="update" class="btn btn-success btn-md btn-search mt-30" value="Add Blog Data">
										</div>
									</div>
								</form>
							</div>
						</div>
					</div>
				</div>
			</section>
		</div>
		<?php include("includes/footer.php")?>
	</div>
	<?php include("includes/js.php")?>
</body>

</html>

Editing File: edit-home-service.php