Convert content of file to JavaScript array

Question

So I know file() returns every new line into an array.

$plugins = file("plugins.txt");
foreach($plugins as $plugin) {
    echo $plugin;
 }

Which returns

item1 item2 item3

In one line. Though, I know PHP thinks it's an array, JS doesnt, if I convert the above PHP script into a function and then do:

var pluginsList = <?php echo filetoArray(); ?>;

Which returns in console

var pluginsList = item1 item2 item3

While I was hoping for:

var pluginsList = [item1,item2,item3];

How would I make sure it reutns an array so JS can read?

EDIT: So thanks to the answers, I got an array finally. But it returns like this:

["item1\r\n","item2\r\n","item3\r\n","item4"]

Though, I want the \r\n to be removed. What I have so far: the str_replace doesn't do anything, it's the same.

    $plugins = file("plugins.txt");
    $plugins = json_encode($plugins);
    $plugins = str_replace("\n\r", "", $plugins);
    echo $plugins;

I believe something you are looking for is called JSON which gives the PHP the ability to pass PHP Code into JS, and JS into PHP — Daryl Gill
– Daryl Gill, Commented Dec 2, 2012 at 16:38

Armel Larcier · Accepted Answer · 2012-12-02 20:09:02Z

4

Easy as this:

$plugins = file("plugins.txt");
$plugins = str_replace(array("\r\n", "\r", "\n"), '', $plugins);
$output = json_encode($plugins);
print $output;

edited Dec 2, 2012 at 20:09

answered Dec 2, 2012 at 16:39

Armel Larcier

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3 Comments

devs Over a year ago

Thanks! Though now it's returning \n\r after every line, and rtrim() isn't removing is for some reason...............

Daryl Gill Over a year ago

@devs look at nl2br(); if you want to convert the \n\r to a new line. else if you want it removed all together, use str_replace("\n\r", "", $VarToReplacein);

cmbuckley Over a year ago

@ArmelLarcier your edit won't replace either, since json_encode will already convert the CR/LFs to escaped strings itself. Better to perform a str_replace before the encode: codepad.org/czjr2CHN

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