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@boluda
Created Jul 21, 2022
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/* Force email lowercase on WordPress registration
------------------------------------------------------------------ */
function filter_pre_user_email( $raw_user_email ) {
$raw_user_email = strtolower($raw_user_email);
return $raw_user_email;
};
// add the filter
add_filter( 'pre_user_email', 'filter_pre_user_email', 10, 1 );
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