how to add a custom attributes with PHP Simple HTML DOM Parser

Question

I am working with a project that require the use of PHP Simple HTML Dom Parser, and I need a way to add a custom attribute to a number of elements based on class name.

I am able to loop through the elements with a foreach loop, and it would be easy to set a standard attribute such as href, but I can't find a way to add a custom attribute.

The closest I can guess is something like:

foreach($html -> find(".myelems") as $element) {
     $element->myattr="customvalue";
}

but this doesn't work.

I have seen a number of other questions on similar topics, but they all suggest using an alternative method for parsing html (domDocument etc.). In my case this is not an option, as I must use Simple HTML DOM Parser.

masud_moni · Accepted Answer · 2017-03-02 12:38:20Z

7

Did you try it? Try this example (Sample: adding data tags).

include 'simple_html_dom.php';

$html_string = '
<style>.myelems{color:green}</style>
<div>
    <p class="myelems">text inside 1</p>
    <p class="myelems">text inside 2</p>
    <p class="myelems">text inside 3</p>
    <p>simple text 1</p>
    <p>simple text 2</p>
</div>
';

$html = str_get_html($html_string);
foreach($html->find('div p[class="myelems"]') as $key => $p_tags) {
    $p_tags->{'data-index'} = $key;
}

echo htmlentities($html);

Output:

<style>.myelems{color:green}</style> 
<div> 
    <p class="myelems" data-index="0">text inside 1</p> 
    <p class="myelems" data-index="1">text inside 2</p> 
    <p class="myelems" data-index="2">text inside 3</p> 
    <p>simple text 1</p> 
    <p>simple text 2</p> 
</div>

edited Mar 2, 2017 at 12:38

masud_moni

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answered Jul 4, 2014 at 13:56

user1978142

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1 Comment

Ahmad Over a year ago

Well, it converts tags to entities. like it will convert <p> into <p>

Ain · Accepted Answer · 2019-09-19 09:22:20Z

1

Well, I think it's too old post but still i think it will help somebody like me :)

So in my case I added custom attribute to an image tag

$markup = file_get_contents('pathtohtmlfile');

//Create a new DOM document
$dom = new DOMDocument;

//Parse the HTML. The @ is used to suppress any parsing errors
//that will be thrown if the $html string isn't valid XHTML.
@$dom->loadHTML($markup);

//Get all images tags
$imgs = $dom->getElementsByTagName('img');

//Iterate over the extracted images
foreach ($imgs as $img)
{
    $img->setAttribute('customAttr', 'customAttrVal');
}

answered Sep 19, 2019 at 9:22

Ain

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