How can multiple checkbox selections be correctly transmitted via email in PHP?

When multiple checkbox selections are made on a form, the values are typically passed as an array in PHP. To correctly transmit these selections via email, you can use the implode() function to convert the array into a comma-separated string that can be included in the email message. 

// Assuming checkboxes with name="selection[]" in the form
$selections = implode(", ", $_POST['selection']);

// Include $selections in the email message
$email_message = "Selected options: " . $selections;

Keywords

PHP checkboxes email transmission array foreach loop

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