Is there any way to get all GET vars with javascript?
First off, I do not want what is in the URL query. I want what PHP see's in the$_GET array.
This is because the URL query will not show all the params if mod_rewrite has been used to make pretty URLs
So is there a way to get the query string that would match exactly what is in the php $_GET array?
--
I came up with a way myself using PHP and JavaScript like so:
function query_string()
{
<?php
function assoc_array_to_string ($arr)
{
$a = array();
foreach($arr as $key => $value)
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$str = $key.'='.$value;
$a[] = $str;
}
return implode("&",$a);
}
?>
return '<?=urlencode(assoc_array_to_string($_GET))?>';
}
...but I need to do this with just javascript if possible because I can't put PHP code in a .js file.
Won't JavaScript "only see" the query string? How would client-side script know about any rewrite rules?
The only way I can think of is to use PHP -- echo it into a variable in an inline script in your main page rather than the JS file.
In your page <head>:
<script type="text/javascript">
var phpQueryParams = <?php print json_encode($_GET); ?>
</script>
Assuming at least PHP 5.2, otherwise use an external package
The query string is found in window.location.search, but that's the raw query string. So if you run something like this:
(function () {
QueryStr = {}
QueryStr.raw = window.location.search.substr(1);
var pairStrs = QueryStr.raw.split('&');
QueryStr.val = {}
for(var i=0,z=pairStrs.length; i < z; i++) {
var pair = pairStrs[i].split('=');
QueryStr.val[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
}
})();
You'd have something very much like $_GET in QueryStr.val.
Of course, you mention that you've mixed things up a bit using mod_rewrite, which is cool, but since we don't know your rewrite scheme, we can't help specifically with that.
However... you know your rewrite scheme, and you could probably modify the code I gave above to operate on some other part of window.location. My bet is that you'd want to split window.location.pathname on the / character instead of &.
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