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Editorial Team
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Asked: 2026-06-13T12:40:29+00:00

I am trying to send an email using the PHP mail function to multiple

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I am trying to send an email using the PHP mail function to multiple email addresses selected through a multiple select form without doing a for each loop. I am currently saving the email addresses as an array, but the PHP mail function returns an error saying it only accepts one argument. Any ideas on how to make this work?

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1 Answer

  1. Editorial Team

    I am assuming your select looks something like this:

    <select multiple="multiple" size="3" name="emails[]">
    <option value="jane@domain.com">Jane</option>
    <option value="jimmy@domain.com">Jimmy</option>
    <option value="john@domain.com">John</option>
    <option value="james@domain.com">James</option>
</select>

    In that case, the list of e-mail address would be returned as an array to your PHP (note the empty square brackets in the name attribute). To send e-mails to all the selected addresses without a loop, you can implode your array with a comma and feed it into the first argument of the PHP mail function, like so:

    <?php
    $addresses=implode(", ", $_POST["emails"]);
    mail($addresses, "Important message", "To whom it may concern, bla bla bla");
?>
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