Create and edit file javascript with "file_put_contents"?

Question

i would like to create a file.js with php but i think that in my code there are a lot of errors:

i have multidimensional array:

$report= array();   
$report= array(array(3,6),array(4,8));

that is:

Array
(
    [0] => Array
      (
        [0] => 3
        [1] => 6
      )

   [1] => Array
      (
        [0] => 4
        [1] => 8
      )
)

Set a content-type for js file

$header = "Content-type: text/javascript";
$dir = "outreport/";
$nomefile = "report.js";

//delete a file with same name if exists 
foreach (glob($dir."*".$nomefile) as $v){
  unlink($v);   
}

$percorso = $dir.$nomefile;
file_put_contents($percorso, $report);
header($header);
print($report);

There are two problems:

1) when launching the file.php asks me to download the same file but in javascript

2) in the "outvulcani" it creates the file report.js but is empty

I wish that in the file "report.js" there is the array $report but written in javascript code:

var reports = [
 [3,6]
 [4,8]
];

Kindly, you can help me out?

Thanks a lot! Sorry for my english

"when launching the file.php asks me to download the same file but in javascript" — What did you expect to be sent to the browser? — Quentin
– Quentin, Commented Aug 1, 2015 at 14:04
"in the "outvulcani" it creates the file report.js but is empty" — I can't reproduce that problem, but nowhere in your code is anything that would construct the JS you list in your desired output. — Quentin
– Quentin, Commented Aug 1, 2015 at 14:05
@Quentin and how i can construct JS list in desired output ? you can help me ? thanks a lot ! P.s. ask at your first question, why the browser ask me to download a file in js ? I thought that launching file.php merely creates "report.js" folder "outvulcani" — Giovanni-Borgia
– Giovanni-Borgia, Commented Aug 1, 2015 at 14:10

opHasNoName · Accepted Answer · 2015-08-01 14:07:07Z

1

PHP has an function to convert Arrays to JSON. You could use this code for "inspiration".

$report = array(array(3,6),array(4,8));
$javascriptContent = json_encode($report);

// Convert to string
$javascriptContent = "var reports = ". $javascriptContent . ";\n";
file_put_contents($percorso, $javascriptContent);

The reason for "Download" is the header, please remove it.

answered Aug 1, 2015 at 14:07

opHasNoName

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1 Comment

Giovanni-Borgia Over a year ago

i used your code and removed the header and now doesn't ask me to download a file, and there is js file "report.js". Thanks !

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