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Editorial Team
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Asked: 2026-05-12T17:31:06+00:00

Current image looks like <img src=images/example.jpg /> Now if img src do not have

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Current image looks like

<img src="images/example.jpg" />

Now if img src do not have the alt="", the code itself will replace the image like

<img src="images/example.jpg" alt="" />

How can be done with php?

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1 Answer

  1. Editorial Team

    Here’s an example of doing this with SimpleXML.

    <?php

$html = '<html>
    <body>
        <img src="foo.jpg" />
    </body>
</html>';

$xml = new SimpleXMLElement($html);

foreach ($xml->xpath('//img') as $img) {
    if (!array_key_exists('alt', $img->attributes())) {
        $img->addAttribute('alt', '');
    }
}

echo $xml->asXML();

    The output will be:

    <?xml version="1.0"?>
<html>
    <body>
        <img src="foo.jpg" alt=""/>
    </body>
</html>
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