exec(）和传递到Python脚本的变量的问题

在HTML中编写一些简单的嵌入式PHP来执行python脚本，该脚本根据HTML表单中多个文件输入的可能性使用一些循环来多次运行该脚本。它对单数很好，但就目前情况而言，当运行多个文件时，似乎会重复一些，并进行更仔细的检查，python脚本第一次接收到的变量似乎不正确。我不知道它为什么这么做，这可能非常明显。感谢所有的帮助。

$len = count($_FILES["inputFile"]["name"]);
 echo "length";
 echo $len;
 for($i = 0; $i < $len; $i++){
    $dataIn = $_FILES["inputFile"]["tmp_name"][$i];
    $originalName = $_FILES["inputFile"]["name"][$i];
    echo "TMP Name:";
    echo $dataIn;
    echo "OriginalName";
    echo $originalName;
    exec("python /home/will/public_html/OrderAnalyser.py '$dataIn' '$originalName' 2>&1",$output);
    foreach ($output as $out){
        echo $out;
        echo "<br />"; 
    }
 }

输出如下：

    Executing...
length2TMP Name:/var/www/tmp/phpHzJFtQOriginalNamemicro_b001.jsonAnalysis Starting on file:
Input File: /var/www/tmp/phpHzJFtQ
Original Name: micro_b001.json
"nodeID":20,
firstNode:
20
Finished Finding Argument Order,
List is as follows:
['20', '21', '22', '23', '24']
Top Node is:
24

There is NO subargument of node:
24

Analysis Complete
TMP Name:/var/www/tmp/php9vQumSOriginalNamemicro_b002.jsonAnalysis Starting on file:
Input File: /var/www/tmp/phpHzJFtQ
Original Name: micro_b001.json
"nodeID":20,
firstNode:
20
Finished Finding Argument Order,
List is as follows:
['20', '21', '22', '23', '24']
Top Node is:
24

There is NO subargument of node:
24

Analysis Complete
Analysis Starting on file:
Input File: /var/www/tmp/php9vQumS
Original Name: micro_b002.json
"nodeID":20,
firstNode:
20
Finished Finding Argument Order,
List is as follows:
['20', '21', '22', '23', '24']
Top Node is:
22

20
is child of
22

21
is child of
22

Subargument of node:
22
is:
Post Order

There is NO subargument of node:
20

There is NO subargument of node:
21

Analysis Complete
Completed...

从这里可以看出，一旦它完成了第一个文件（micro_b001.json），它就应该移到micro_b002上。PHP中的echo显示PHP中的变量是正确的，但从python脚本中看到的print显示它使用初始变量（micro_b001）再次运行。为什么会发生这种情况？正如你所看到的，一旦它出于某种原因再次运行了第一个，它就会正确地运行第二个，然后完成。为什么它会做这种奇怪的重复？我就是想不通。

（此外，我意识到这是易受攻击的代码等，现在并不重要）