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Thread: Renaming file on upload if exists

  1. #1
    Join Date
    Jul 2005
    Posts
    5

    Question Renaming file on upload if exists

    I bought this program which works fine as it is right now. The only problem is the scri[pt will automatically over write existing files without renaming it to something else. So what I need is for someone to help me have this script rename a image file on upload if it exists already. And also to make sure the sql part inserts new renamed code. I'm only a beginner and I've tried all the rename & str_replace codes but I keep getting error. Please help

    Here is original code:
    Code:
    <?
    	include("include/common.php");
    
    	if(!$loggedin){
    		ob_start();
    		header("Location: login.php");
    	}
    	include("include/header.php");
    	include("include/accmenu.php");
    
    	if($submit){
    		if($_POST['delimg']){
    			mysql_query("UPDATE bio SET imagefile='' WHERE user='$myuid'");
    			if(file_exists("./uploads/".$_POST['delimg']))@unlink("./uploads/".$_POST['delimg']);
    		}
    
    		if($oid){
    			$sql = "UPDATE bio SET aboutme='$caboutme',contact='$ccontact'";
    			if( $_FILES['image']['name'] ){
    				$sql .= ",imagefile='".$_FILES['image']['name']."'";
    			}
    			$sql .= " WHERE user='$myuid'";
    
    		}else{
    			$sql = "INSERT INTO bio SET aboutme='$caboutme',contact='$ccontact',user='$myuid'"; 
    			if( $_FILES['image']['name'] ){
    				$sql .= ",imagefile='".$_FILES['image']['name']."'";
    			}
    		}
    		mysql_query($sql) or die( mysql_error()."<br>$sql<bR>" );
    		if(!$oid){
    			$oid = mysql_insert_id();
    		}
    		if( $_FILES['image']['name'] ){
    			if($_POST['oldimg'])unlink("./uploads/".$_POST['oldimg']);
    			$match=0;
    			$sent=move_uploaded_file($_FILES['image']['tmp_name'], "./uploads/".$_FILES['image']['name']);
    			if(!$sent){
    				echo ("<script>window.alert('File upload has failed.');</script>");
    			}else{
    				echo ("<script>window.alert('File upload of file type $type was sucessfull');</script>");
    			}
    		}		
    ?>
    		<h3>Edit your Bio</h3>
    		<form method=post ENCTYPE="multipart/form-data">
    		<?=$table2?>
    		<tr align=center>
    			<td colspan=2>Your Bio has been saved.</td>
    		</tr>
    <?
    		echo "</table>";
    	}else{
    		$this->c=mysql_query("select * from bio where user='$myuid'");
    		$this->d=mysql_fetch_object($this->c);
    		if(is_object($this->d)) {
    			$cid = $this->d->id;
    			$caboutme = $this->d->aboutme;
    			$ccontact = $this->d->contact;
    			$imagefile = $this->d->imagefile;
    		}
    ?>
    		<h3>Edit your Bio</h3>
    		<form method=post ENCTYPE="multipart/form-data">
    <?		if($cid)echo "<input type='hidden' name='oid' value='$cid'";	?>
    		<?=$table2?>
    		<tr>
    			
        <td colspan=2>
    <table width="500" border="0" cellspacing="0" cellpadding="2">
            <tr> 
              <td colspan="2">Edit your Bio and then click the submit button below. 
              </td>
            </tr>
            <tr> 
              <td width="322">About me:</td>
              <td width="170"><textarea name=caboutme cols=50 rows=10><?=$caboutme?></textarea></td>
            </tr>
            <tr> 
              <td>My Image:</td>
              <td><input name="image" type="file">
                <?
    	if($imagefile){
    		echo "&nbsp; 
    			<input type=hidden name=oldimg value='$imagefile'> 
    			<input type=checkbox class=checkbox name=delimg value='$imagefile'> 
    			Delete image (<a href='$siteurl/uploads/$imagefile","' target=_blank>See current</a>)";
    	}
    ?>
              </td>
            </tr>
            <tr> 
              <td>&nbsp;</td>
              <td><input type=submit name=submit value='Submit Changes'></td>
            </tr>
            <tr> 
              <td>&nbsp;</td>
              <td>&nbsp;</td>
            </tr>
          </table>
    
    </form>
    <?
    	}
    	include("include/footer.php");
    ?>
    Last edited by makesnocents; 07-23-2005 at 08:28 AM.

  2. #2
    Join Date
    Jul 2005
    Posts
    5

    Question so far....

    OK ..so I fgured out how to get the file renamed by changing
    Code:
    $sent=move_uploaded_file($_FILES['image']['tmp_name'], "./uploads/".$_FILES['image']['name']);
    to
    Code:
    $new_file = substr(sha1(rand(10, time())), 0, 8) . '.' . jpg;
    $sent=move_uploaded_file($_FILES['image']['tmp_name'], "./uploads/".$new_file);
    ...But I'm still having problems on getting that renamed file to be inserted into SQL table

    Help please!!!!!!!!

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