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how to not overwrite image using php copy command

Posted on 2010-08-30
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Last Modified: 2012-05-10
Hello,
I'm using the below snippet of php to copy a file from one directory to another, but if the $file already exists in the $upload_directory_to it just overwrites it.  I would rather it keep the original and rename it filename(1) or something like that.  The reason being that I'm inserting a record in my DB each time as even though the $file has the same name, it may be a different file.  Any recommendations?
if (!copy($upload_directory_from.$file, $upload_directory_to.$file)) {
    echo "failed to copy $file...\n";
}

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Question by:cgray1223
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3 Comments
 
LVL 9

Expert Comment

by:Snarfles
ID: 33564436
Try this
if (file_exists($upload_directory_to.$file)) {
    $file = $file."2";
//or rename it however you like in this section
}

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LVL 9

Expert Comment

by:Snarfles
ID: 33564440
Hmm for your filename we need to put it before the extension...
if (file_exists($upload_directory_to.$file)) {

$info = pathinfo($file);
$file_name =  basename($file,'.'.$info['extension']);
$file = $file_name."_2".$info['extension'];
}

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LVL 111

Accepted Solution

by:
Ray Paseur earned 2000 total points
ID: 33566167
Getting the paths sorted out is fairly important, but if you've got good code for that you can do something like this.
// NAME OF THE NEW PATH/TO/FILE
$my_new = $upload_directory_to.$file;

// IF IT ALREADY EXISTS
if (file_exists($upload_directory_to.$file))
{
    // CREATE A TIMESTAMPED BACKUP COPY
    $now    = date("Y-m-d\THis'");
    $my_bak = $my_new . '.' . $now . '.bak';
    if (!copy($my_new, $my_bak))
    {
        echo "<strong>Attempted Backup Failed for $my_new!</strong>\n";
    }
}

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