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Users can input URLs using a HTML form on my website, so they might enter something like this:, it can be anything. I need to extract the value of a certain query parameter, in this case 'test' (the value 123). Is there a way to do this?



You can use parse_url and parse_str like this:

$query = parse_url('', PHP_URL_QUERY);
parse_str($query, $params);
$test = $params['test'];

parse_url allows to split an URL in different parts (scheme, host, path, query, etc); here we use it to get only the query (test=123&random=abc). Then we can parse the query with parse_str.

Thursday, August 4, 2022

The Arabic regex is:


Actually, ?-? is a subset of this Arabic range, so I think you can remove them from the pattern.

So, in JS it will be


See regex demo

Tuesday, October 11, 2022

If you're using *nix, have you tried XPDF?

There is a blog post here about how someone has used it for a customer of their's - whether it will be of any help I'm unsure.

EDIT: There seems to be some code here that could help - a simple class that reads a PDF into plaintext. Unsure if it supports decryption.

EDIT2: There are also a number of resources in PHP documentation that may help you. Click.

EDIT3: FPDF and FPDI may also help. Probably your best bet after some research.

Wednesday, December 7, 2022

According to the docs of route object, you have access to a $route object from your components, which exposes what you need. In this case

//from your component
console.log(this.$route.query.test) // outputs 'yay'
Friday, September 9, 2022

For this PHP regex:

$str = preg_replace ( '{(.)1+}', '$1', $str );
$str = preg_replace ( '{[ '-_()]}', '', $str )

In Java:

str = str.replaceAll("(.)\1+", "$1");
str = str.replaceAll("[ '-_\(\)]", "");

I suggest you to provide your input and expected output then you will get better answers on how it can be done in PHP and/or Java.

Sunday, October 9, 2022
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