File Input Field - Name Variable Array

Question

So this may be easy but I can't figure it out. I have a file field and the name is set dynamically with a variable. I need this name to be an array using $Var[] so that the user can select multiple files. When I try the following I keep getting errors:

"<input id='$Var' name='$Var[]' type='file' multiple/>"
"<input id='$Var' name='$Var".[]."' type='file' multiple/>"
"<input id='$Var' name='".$Var."[]' type='file' multiple/>"

I have tried all three of the above and keep getting errors. When I remove the variable and just type in the field name it works fine.

"<input id='File' name='File[]' type='file' multiple/>"

Not sure if need to escape something or what. Please help and thank you.

possible duplicate of [How can I select and upload multiple files with HTML and PHP, using HTTP POST?](http://stackoverflow.com/questions/1175347/how-can-i-select-and-upload-multiple-files-with-html-and-php-using-http-post) — Avinash R, Apr 05 '15 at 18:27

score 0 · Accepted Answer · answered Apr 05 '15 at 16:41

0

Use curly braces around your variable name:

"<input id='$Var' name='{$Var}[]' type='file' multiple/>"

answered Apr 05 '15 at 16:41

n-dru

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It's always nice to know why you have to do something. – Rizier123 Apr 05 '15 at 16:45
yeah, I agree. And even better to get to know it by oneself from credible source :) – n-dru Apr 06 '15 at 00:46

score 0 · Answer 2 · edited May 23 '17 at 12:22

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Use your variable this way;

    <?php
    $fieldName = "FileInput";
    echo "<input id='{$fieldName}' name='{$fieldName}[]' type='file' multiple/>";

And reading this answer may be helpful; https://stackoverflow.com/a/2596838/3399234

edited May 23 '17 at 12:22

Community

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answered Apr 05 '15 at 16:43

Ugur

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Thank you that fixed it. – user982853 Apr 05 '15 at 16:44

File Input Field - Name Variable Array

2 Answers2