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php - URL losing plus sign

I realize that in a URL, the + symbol represents a space, however I need to keep the plus sign. How can I do this? My URL and code are as follows:

http://www.example.com/path/test.php?test=2+2

<?php
$test = $_GET['test'];

echo $test;
?>

This prints out 2 2

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  • is intepreted as a space in a URL. To use a + you need %2B.

http://example.com/path/test.php?test=2%2B2


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