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Asked: 2026-05-28T05:06:04+00:00

Using PHP I need I will have an array of tag name => tag

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Using PHP I need I will have an array of tag name => tag URL I need to somehow scan a text input (will be somewhat large, a blog post) and find all tag names in the text and replace them with the URL link. To complicate it though, if the tag name is inside <h1>, <h2>, or <code> and <pre> tags it will not do it. Possibly to simplify, I could say it has to be inside a <p> tag for the switch to take place.

I am not sure how to accomplish this, I know I will need regex but I am a bit lost at the moment, if anyone could help me some I would greatly appreciate it

so a PHP tag would be turned into <a href="link here">PHP</a>

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1 Answer

  1. Editorial Team

    You can use an XML parser like:

    $array_of_tags = (array) simplexml_load_string($html);

    OR

    $xml_object = simplexml_load_string($html);

    The first approach will give you your tags in a searchable array. The second will give you a SimpleXMLElement object.

    You can then use a simple foreach loop to iterate over the elements in your array or reference the variables in your SimpleXMLElement object. Have a look at the simplexml_load_string tutorial by W3C it’s very straight forward.

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