unserialize() [function.unserialize]: Error at offset
was dues to invalid serialization data
due to invalid length
Quick Fix
What you can do is is recalculating the length
of the elements in serialized array
You current serialized data
$data="a:10:{s:16:"submit_editorial";b:0;s:15:"submit_orig_url";s:13:"www.bbc.co.uk";s:12:"submit_title";s:14:"No title found";s:14:"submit_content";s:12:"dnfsdkfjdfdf";s:15:"submit_category";i:2;s:11:"submit_tags";s:3:"bbc";s:9:"submit_id";b:0;s:16:"submit_subscribe";i:0;s:15:"submit_comments";s:4:"open";s:5:"image";s:19:"C:fakepath100.jpg";}";
Example without recalculation
var_dump(unserialize($data));
Output
Notice: unserialize() [function.unserialize]: Error at offset 337 of 338 bytes
Recalculating
$data = preg_replace('!s:(\d+):"(.*?)";!e', "'s:'.strlen('$2').':\"$2\";'", $data);
var_dump(unserialize($data));
Output
array
'submit_editorial' => boolean false
'submit_orig_url' => string 'www.bbc.co.uk' (length=13)
'submit_title' => string 'No title found' (length=14)
'submit_content' => string 'dnfsdkfjdfdf' (length=12)
'submit_category' => int 2
'submit_tags' => string 'bbc' (length=3)
'submit_id' => boolean false
'submit_subscribe' => int 0
'submit_comments' => string 'open' (length=4)
'image' => string 'C:fakepath100.jpg' (length=17)
Recommendation .. I
Instead of using this kind of quick fix … i”ll advice you update the question with
-
How you are serializing your data
-
How you are Saving it ..
================================ EDIT 1 ===============================
The Error
The Error was generated because of use of double quote "
instead single quote '
that is why C:\fakepath\100.png
was converted to C:fakepath100.jpg
To fix the error
You need to change $h->vars['submitted_data']
From (Note the singe quite '
)
Replace
$h->vars['submitted_data']['image'] = "C:\fakepath\100.png" ;
With
$h->vars['submitted_data']['image'] = 'C:\fakepath\100.png' ;
Additional Filter
You can also add this simple filter before you call serialize
function satitize(&$value, $key)
{
$value = addslashes($value);
}
array_walk($h->vars['submitted_data'], "satitize");
If you have UTF Characters you can also run
$h->vars['submitted_data'] = array_map("utf8_encode",$h->vars['submitted_data']);
How to detect the problem in future serialized data
findSerializeError ( $data1 ) ;
Output
Diffrence 9 != 7
-> ORD number 57 != 55
-> Line Number = 315
-> Section Data1 = pen";s:5:"image";s:19:"C:fakepath100.jpg
-> Section Data2 = pen";s:5:"image";s:17:"C:fakepath100.jpg
^------- The Error (Element Length)
findSerializeError
Function
function findSerializeError($data1) {
echo "<pre>";
$data2 = preg_replace ( '!s:(\d+):"(.*?)";!e', "'s:'.strlen('$2').':\"$2\";'",$data1 );
$max = (strlen ( $data1 ) > strlen ( $data2 )) ? strlen ( $data1 ) : strlen ( $data2 );
echo $data1 . PHP_EOL;
echo $data2 . PHP_EOL;
for($i = 0; $i < $max; $i ++) {
if (@$data1 {$i} !== @$data2 {$i}) {
echo "Diffrence ", @$data1 {$i}, " != ", @$data2 {$i}, PHP_EOL;
echo "\t-> ORD number ", ord ( @$data1 {$i} ), " != ", ord ( @$data2 {$i} ), PHP_EOL;
echo "\t-> Line Number = $i" . PHP_EOL;
$start = ($i - 20);
$start = ($start < 0) ? 0 : $start;
$length = 40;
$point = $max - $i;
if ($point < 20) {
$rlength = 1;
$rpoint = - $point;
} else {
$rpoint = $length - 20;
$rlength = 1;
}
echo "\t-> Section Data1 = ", substr_replace ( substr ( $data1, $start, $length ), "<b style=\"color:green\">{$data1 {$i}}</b>", $rpoint, $rlength ), PHP_EOL;
echo "\t-> Section Data2 = ", substr_replace ( substr ( $data2, $start, $length ), "<b style=\"color:red\">{$data2 {$i}}</b>", $rpoint, $rlength ), PHP_EOL;
}
}
}
A better way to save to Database
$toDatabse = base64_encode(serialize($data)); // Save to database
$fromDatabase = unserialize(base64_decode($data)); //Getting Save Format