Email field does not take any html email parameters, is there a way to do that? - Meta Box

This topic has 1 reply, 2 voices, and was last updated 3 years, 8 months ago by Long Nguyen.

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August 12, 2020 at 10:13 AM #21223

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For example I want to add a subject in a mailto: link using MB custom fields. I'm using the Email field, but it won't accept the ?subject=AboutMyWebsite after the actual email address.

I tried adding the attribute sanitize_callback = none on the Email field, but that didn't work.

Maybe I need to add another field for the email paramaters and then combine them somehow to form a clickable link or a button link.

Any suggestions?

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August 12, 2020 at 2:43 PM #21224
Long Nguyen
Moderator
Hi,

You can use the custom sanitize callback to add some text after the field email. See my screenshot https://share.getcloudapp.com/X6uNOn7K.
```
function custom_sanitize_email( $value ) {    
    $value = $value . '?subject=AboutMyWebsite';
    return $value;
}
```
For more information, please follow this documentation https://docs.metabox.io/sanitization/#custom-sanitize-callback.

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