how to update the record without change the image field.

Question

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if i change the image it store the values into data base. if won't give it does not save the edited record. Now I want to update record without change image and also i want to update records by only changing the image. my code as follow

PHP

<?php 
	if(isset($_POST['submit']))
	{
		$var=$_GET['a_id'];
		$file=$_SERVER['DOCUMENT_ROOT'].'myproject/cp/image/'.$img['a_image'];
		unlink($file);
		$var1=$_POST['Title'];
		$var2=$_POST['Description'];
		$image=$_FILES['imageupload']['name'];
		$root=$_SERVER['DOCUMENT_ROOT'].'/myproject/cp/image/'; 
		$file_exts = array("jpg", "bmp", "jpeg", "gif", "png");
		$expo=explode(".", $_FILES["imageupload"]["name"]); 
		$upload_exts = end($expo);
			if ((($_FILES["imageupload"]["type"] == "image/gif")|| ($_FILES["imageupload"]["type"] == "image/jpeg")|| ($_FILES["imageupload"]["type"] == "image/png")|| ($_FILES["imageupload"]["type"] == "image/jpg"))&& ($_FILES["imageupload"]["size"] < 2000000)&& in_array($upload_exts,$file_exts))
			{
					if ($_FILES["imageupload"]["error"] > 0)
					{
						echo "Return Code: " . $_FILES["imageupload"]["error"] . "<br>";
					}
					else
					{
						$image= rand(0,9999).'.'.$upload_exts;
						move_uploaded_file($_FILES["imageupload"]["tmp_name"],$root.$image);
						$sql=mysql_query("UPDATE about SET a_title='".$var1."',a_description='".$var2."',a_image='".$image."' WHERE a_id='".$var."'") or die(mysql_error());
						echo "<meta http-equiv=refresh content=\"0; URL=about.php\">";
					}
			}		
	}
?>

please help me to over come from this problem.

Posted 1-Jul-15 3:26am

Mageshkumar Rajendran

Updated 5-Sep-22 1:06am

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Mageshkumar Rajendran · Accepted Answer · 2015-07-02T19:50:00

First get the previously saved image using the following

and then your code has to like this

PHP

<?php <br mode="hold" /?>	if(isset($_POST['submit']))
	{
		$var=$_GET['h_id'];
		$file=$_SERVER['DOCUMENT_ROOT'].'myproject/cp/image/'.$img['h_image'];
		$var1=$_POST['Title'];
		$var2=$_POST['Description'];
		$image=$_FILES['imageupload']['name'];
		$root=$_SERVER['DOCUMENT_ROOT'].'/myproject/cp/image/'; 
		$file_exts = array("jpg", "bmp", "jpeg", "gif", "png");
		$expo=explode(".", $_FILES["imageupload"]["name"]); 
		$upload_exts = end($expo);
			$image = '';
			if(isset($_FILES["imageupload"]['name']) && !empty($_FILES["imageupload"]['name']))//check image set or not.
			{
				if (!(($_FILES["imageupload"]["type"] == "image/gif")|| ($_FILES["imageupload"]["type"] == "image/jpeg")|| ($_FILES["imageupload"]["type"] == "image/png")|| ($_FILES["imageupload"]["type"] == "image/jpg")))
				{
					$error = "Invalid image";
				}else
				{
					$image= rand(0,9999).'.'.$upload_exts;
					move_uploaded_file($_FILES["imageupload"]["tmp_name"],$root.$image);	
				}
				unlink($file);//place unlink function here.
			}
			else
			{
				
				$image = $_POST['old_image'];
			}
				
			$sql=mysql_query("UPDATE home SET h_title='".$var1."',h_description='".$var2."',h_image='".$image."' WHERE h_id='".$var."'") or die(mysql_error());			

			echo "<meta http-equiv=refresh content=\"0; URL=home.php\">";
					
					
	}  
?>

thank u.