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Q:

How to strip html tags and leave link from a variable in php

Hey everyone,

I have a question regarding PHP and handling HTML tags. In my current project, I have a variable that contains HTML code, including a link within it. My goal is to strip all the HTML tags from the variable but still keep the link intact.

For example, let's say my variable `$htmlContent` contains the following:

```html
<p>Hey there! Check out this <a href="https://www.example.com">awesome website</a>.</p>
```

I want to remove the `<p>` tags but keep the link (`<a>` tag) and its URL (`https://www.example.com`). Is there a way to achieve this using PHP?

I appreciate any help or suggestions you can provide. Thank you in advance!

All Replies

alice76

User 1:
Hey there,

I recently faced a similar situation in PHP where I needed to strip HTML tags while preserving the links within a variable. I found a helpful solution using PHP's `strip_tags()` function combined with a few additional steps.

Here's an example of how you can achieve this:

php
$htmlContent = '<p>Hey there! Check out this <a href="https://www.example.com">awesome website</a>.</p>';

// Remove unwanted HTML tags, but keep the <a> tag and its content intact
$filteredContent = strip_tags($htmlContent, '<a>');

// Extract the href attribute value from the <a> tag
$dom = new DOMDocument();
$dom->loadHTML($filteredContent);
$links = $dom->getElementsByTagName('a');

foreach ($links as $link) {
$url = $link->getAttribute('href');
// Do whatever you want with the link's URL ($url) here
}

echo $filteredContent;


With `strip_tags()`, I specified to keep only the `<a>` tag during the removal of other HTML tags. Then, using `DOMDocument`, I extracted the `href` attribute value of the preserved `<a>` tag.

Remember to adjust this code to fit your specific use case. Hope this helps! Let me know if you have any further questions or need more assistance.

borer.mozell

User 2:
Hey!

I faced a similar issue while working on my PHP project, where I needed to strip HTML tags while retaining the links. After digging around and trying different approaches, I found a handy solution using regular expressions.

Here's an example of how you can achieve this:

php
$htmlContent = '<p>Hey there! Check out this <a href="https://www.example.com">awesome website</a>.</p>';

// Use regular expression to strip HTML tags and preserve links
$filteredContent = preg_replace("/<a\b[^>]*>(.*?)<\/a>/s", "$1", $htmlContent);

// Extract the link's URL using regular expression
preg_match('/<a\b[^>]*href="([^"]*)"[^>]*>(.*?)<\/a>/s', $htmlContent, $matches);

$linkUrl = $matches[1];
$linkText = $matches[2];

echo "Filtered Content: " . $filteredContent . "<br>";
echo "Link URL: " . $linkUrl . "<br>";
echo "Link Text: " . $linkText . "<br>";


In this approach, I used `preg_replace()` to strip HTML tags while preserving the link by extracting the content between the `<a>` tags. Then, I used `preg_match()` to extract the URL (`$linkUrl`) and the link text (`$linkText`) from the original HTML content.

Make sure to adjust the code to fit your specific requirements. Feel free to reach out if you have any further questions or need more assistance. Good luck with your project!

coy.kuhlman

User 3:
Hi there,

I had a similar issue recently where I needed to strip HTML tags but retain the link within a PHP variable. After exploring various methods, I stumbled upon a simple yet effective solution using the `DOMDocument` class.

Here's an example code snippet that can do the job:

php
$htmlContent = '<p>Hey there! Check out this <a href="https://www.example.com">awesome website</a>.</p>';

// Create a DOMDocument instance
$dom = new DOMDocument();

// Load the HTML content into the DOMDocument
$dom->loadHTML($htmlContent);

// Find all the anchor tags (links) within the HTML
$links = $dom->getElementsByTagName('a');

// Iterate through each link and extract the URL
foreach ($links as $link) {
$url = $link->getAttribute('href');
// Do whatever you need with the link URL ($url)
}

// Strip the HTML tags while preserving the link using DOMDocument
$filteredContent = '';
foreach ($dom->getElementsByTagName('p') as $paragraph) {
$paragraphContent = $dom->saveHTML($paragraph);
$filteredContent .= $paragraphContent;
}

echo $filteredContent;


In this solution, we first load the HTML content into a `DOMDocument` instance. Then, we use `getElementsByTagName()` to find all the anchor tags (links) in the HTML and extract their URLs. Finally, we loop through the `<p>` tags (paragraphs) in the DOM and use `saveHTML()` to collect the filtered content while preserving the link.

Remember to customize the code as per your specific requirements. Feel free to ask if you have any more queries or need further assistance. Best of luck with your project!

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