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Editorial Team
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Asked: 2026-06-18T08:00:15+00:00

I want to replace all emails in a string with an image of the

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I want to replace all emails in a string with an image of the email.

I already have a PHP function to create an image of the text supplied to it. So I am just looking for how to replace the emails with the corresponding basse64engoded string.

Here is what I want exactly:

"my email is example@example.com and my phone no is 349080353"

I want a function to convert the above string into following:

my email is <img src="image.php?id=ZG5zLWFkbWluQ437yifhb2dsZS5jb20="> and my phone no is 349080353

The id of the email is encoded with base64_encode. So, I want a function to search and replace email with the following img tag and encode each email with base64_encode and supply it to ‘id’.

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1 Answer

  1. Editorial Team

    Try this code

    $email_pattern = '/[a-z0-9!#$%&\'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&\'*+\/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?/';

$html = preg_replace_callback($email_pattern, "encode_email", "my email is example@example.com and my phone no is 349080353");

echo $html;

function encode_email($matches){
    return '<img src="image.php?id='. base64_encode($matches[0]) .'">';
}
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