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Editorial Team
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Asked: 2026-05-12T22:32:04+00:00

I have a generic function that returns URLs. (It’s a plugin function that returns

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I have a generic function that returns URLs. (It’s a plugin function that returns URLs to resources [images, stylesheets] within a plugin).

I use GET parameters in those URLs.

If I want to use these URLs within a HTML page, to pass W3C validation, I need to mask ampersands as & 

/plugin.php?plugin=xyz&resource=stylesheet&....

but, if I want to use the URL as the “url” parameter for a AJAX call, the ampersand is not interpreted correctly, screwing up my calls.

Can I do something get & work in AJAX calls?

I would very much like to avoid adding parameters to th URL generating function (intendedUse=”ajax” or whatever) or manipulating the URL in Javascript, as this plugin model will be re-used many times (and possibly by many people) and I want it as simple as possible.

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1 Answer

  1. Editorial Team

    It seems to me that you’re running into the problem of having one piece of your application cross multiple layers. In this case it’s the plugin.

    A URL as specified by RFC 1738 states that a URL should use a & token to separate key/value pairs from one another. However ampersand is a reserved token in HTML and therefore should be escaped into &. Since escaping the ampersands is an artifact of HTML, your plugin should probably not be escaping them directly. Instead you should have a function or something that escapes a canonical URL so that it can be embedded in HTML markup.

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