PHP :: Bug #70851 :: Iteration bug

Bug #70851	Iteration bug
Submitted:	2015-11-04 11:51 UTC	Modified:	2015-11-15 04:22 UTC
From:	ponce dot josue94 at gmail dot com	Assigned:
Status:	No Feedback	Package:	*General Issues
PHP Version:	Irrelevant	OS:	Linux
Private report:	No	CVE-ID:	None

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From:	ponce dot josue94 at gmail dot com
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[2015-11-04 11:51 UTC] ponce dot josue94 at gmail dot com

Description:
------------
When you use the variable $row in an for iteration or foreach the last element ech time become the current element and at end of iteration become empty. I think is an issue about the name of variable but nobody knows that, maybe you can introduce a warning in the documentation or resolve this problem

Test script:
---------------
$jsonString = '{"head":["Vehicle Name","2015-10-05","2015-10-06","2015-10-07","2015-10-08","2015-10-09","2015-10-13","2015-10-15","2015-10-16","2015-10-17","2015-10-18","2015-10-19"],"body":[[["V CLASS","1"],["40","","6","2015-10-05"],["41","prova2_2 prova2_2","2","2015-10-06"],["64","","2","2015-10-07"],["65","","2","2015-10-08"],["66","","2","2015-10-09"],["69","","2","2015-10-13"],["35","","6","2015-10-15"],["36","","6","2015-10-16"],["37","","6","2015-10-17"],["38","","6","2015-10-18"],["39","","6","2015-10-19"]],[["CARAVELLE[AB123CD]","2"],["","","","2015-10-05"],["","","","2015-10-06"],["","","","2015-10-07"],["","","","2015-10-08"],["","","","2015-10-09"],["","","","2015-10-13"],["4","Driver_6 Driver_6","8","2015-10-15"],["","","","2015-10-16"],["","","","2015-10-17"],["","","","2015-10-18"],["","","","2015-10-19"]],[["MAGELYS","5"],["42","driverFront office","54","2015-10-05"],["","","","2015-10-06"],["","","","2015-10-07"],["","","","2015-10-08"],["","","","2015-10-09"],["","","","2015-10-13"],["","","","2015-10-15"],["","","","2015-10-16"],["","","","2015-10-17"],["","","","2015-10-18"],["","","","2015-10-19"]],[["NN","12"],["70","Autista 2 driver 2.0","25","2015-10-05"],["","","","2015-10-06"],["71","","6","2015-10-07"],["","","","2015-10-08"],["","","","2015-10-09"],["","","","2015-10-13"],["49","prova_3 prova_3","25","2015-10-15"],["","","","2015-10-16"],["48","","25","2015-10-17"],["","","","2015-10-18"],["","","","2015-10-19"]],[["NN","16"],["50","prova asdasd","25","2015-10-05"],["","","","2015-10-06"],["","","","2015-10-07"],["","","","2015-10-08"],["","","","2015-10-09"],["","","","2015-10-13"],["","","","2015-10-15"],["","","","2015-10-16"],["","","","2015-10-17"],["","","","2015-10-18"],["","","","2015-10-19"]],[["E CLASS","17"],["","","","2015-10-05"],["","","","2015-10-06"],["","","","2015-10-07"],["","","","2015-10-08"],["","","","2015-10-09"],["55","","2","2015-10-13"],["57","","2","2015-10-15"],["58","","2","2015-10-16"],["59","","2","2015-10-17"],["60","","2","2015-10-18"],["61","","2","2015-10-19"]],[["E CLASS","19"],["","","","2015-10-05"],["51","","3","2015-10-06"],["52","","3","2015-10-07"],["53","","3","2015-10-08"],["54","","3","2015-10-09"],["","","","2015-10-13"],["","","","2015-10-15"],["","","","2015-10-16"],["","","","2015-10-17"],["","","","2015-10-18"],["","","","2015-10-19"]],[["V CLASS","25"],["","","","2015-10-05"],["","","","2015-10-06"],["","","","2015-10-07"],["","","","2015-10-08"],["","","","2015-10-09"],["","","","2015-10-13"],["","","","2015-10-15"],["","","","2015-10-16"],["","","","2015-10-17"],["","","","2015-10-18"],["","","","2015-10-19"]],[["S CLASS","30"],["","","","2015-10-05"],["","","","2015-10-06"],["","","","2015-10-07"],["","","","2015-10-08"],["","","","2015-10-09"],["","","","2015-10-13"],["","","","2015-10-15"],["","","","2015-10-16"],["","","","2015-10-17"],["","","","2015-10-18"],["","","","2015-10-19"]],[["VIANO","31"],["","","","2015-10-05"],["","","","2015-10-06"],["","","","2015-10-07"],["","","","2015-10-08"],["","","","2015-10-09"],["","","","2015-10-13"],["","","","2015-10-15"],["","","","2015-10-16"],["","","","2015-10-17"],["","","","2015-10-18"],["","","","2015-10-19"]],[["S CLASS","33"],["","","","2015-10-05"],["","","","2015-10-06"],["","","","2015-10-07"],["","","","2015-10-08"],["","","","2015-10-09"],["","","","2015-10-13"],["","","","2015-10-15"],["","","","2015-10-16"],["","","","2015-10-17"],["","","","2015-10-18"],["","","","2015-10-19"]],[["SPRINTER","34"],["","","","2015-10-05"],["","","","2015-10-06"],["","","","2015-10-07"],["","","","2015-10-08"],["","","","2015-10-09"],["","","","2015-10-13"],["","","","2015-10-15"],["","","","2015-10-16"],["","","","2015-10-17"],["","","","2015-10-18"],["","","","2015-10-19"]],[["prova_1","35"],["","","","2015-10-05"],["","","","2015-10-06"],["","","","2015-10-07"],["","","","2015-10-08"],["","","","2015-10-09"],["","","","2015-10-13"],["","","","2015-10-15"],["","","","2015-10-16"],["","","","2015-10-17"],["","","","2015-10-18"],["","","","2015-10-19"]],[["S CLASS","37"],["","","","2015-10-05"],["","","","2015-10-06"],["","","","2015-10-07"],["","","","2015-10-08"],["","","","2015-10-09"],["","","","2015-10-13"],["","","","2015-10-15"],["","","","2015-10-16"],["","","","2015-10-17"],["","","","2015-10-18"],["","","","2015-10-19"]],[["CARAVELLE","38"],["","","","2015-10-05"],["","","","2015-10-06"],["","","","2015-10-07"],["","","","2015-10-08"],["","","","2015-10-09"],["","","","2015-10-13"],["","","","2015-10-15"],["","","","2015-10-16"],["","","","2015-10-17"],["","","","2015-10-18"],["","","","2015-10-19"]]],"total":"15"}';
$json = json_decode($jsonString, true);
for($i = 0; $i < count($json["body"]); $i ++){
        $row = $json["body"][$i];
        echo "$i -> ".$row[0][0]."   |   ".$json["body"][count($json["body"])-1][0][0]."\n";
    }

Expected result:
----------------
0 -> V CLASS   |   CARAVELLE
1 -> CARAVELLE[AB123CD]   |   CARAVELLE
2 -> MAGELYS   |   CARAVELLE
3 -> NN   |   CARAVELLE
4 -> NN   |   CARAVELLE
5 -> E CLASS   |   CARAVELLE
6 -> E CLASS   |   CARAVELLE
7 -> V CLASS   |   CARAVELLE
8 -> S CLASS   |   CARAVELLE
9 -> VIANO   |   CARAVELLE
10 -> S CLASS   |   CARAVELLE
11 -> SPRINTER   |   CARAVELLE
12 -> prova_1   |   CARAVELLE
13 -> S CLASS   |   CARAVELLE
14 -> CARAVELLE   |   CARAVELLE

Actual result:
--------------
0 -> V CLASS   |   V CLASS
1 -> CARAVELLE[AB123CD]   |   CARAVELLE[AB123CD]
2 -> MAGELYS   |   MAGELYS
3 -> NN   |   NN
4 -> NN   |   NN
5 -> E CLASS   |   E CLASS
6 -> E CLASS   |   E CLASS
7 -> V CLASS   |   V CLASS
8 -> S CLASS   |   S CLASS
9 -> VIANO   |   VIANO
10 -> S CLASS   |   S CLASS
11 -> SPRINTER   |   SPRINTER
12 -> prova_1   |   prova_1
13 -> S CLASS   |   S CLASS
14 -> S CLASS   |   S CLASS

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[2015-11-04 18:09 UTC] requinix@php.net

-Status: Open +Status: Feedback

[2015-11-04 18:09 UTC] requinix@php.net

Thank you for this bug report. To properly diagnose the problem, we
need a short but complete example script to be able to reproduce
this bug ourselves. 

A proper reproducing script starts with <?php and ends with ?>,
is max. 10-20 lines long and does not require any external 
resources such as databases, etc. If the script requires a 
database to demonstrate the issue, please make sure it creates 
all necessary tables, stored procedures etc.

Please avoid embedding huge scripts into the report.

https://3v4l.org/vUhFj

[2015-11-05 08:27 UTC] zjoclips at gmail dot com

Hi, I don't know how modify this test script but is all an php script so you can surround it with php tag and it works.

[2015-11-05 09:17 UTC] requinix@php.net

Yeah. It works. That's the problem. Check the link I gave.

Can't fix whatever bug you're trying to report if you can't show us a SHORT script that demonstrates it.

[2015-11-15 04:22 UTC] php-bugs at lists dot php dot net

No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Re-Opened". Thank you.

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