Automatically Spam Proof Emails on a WordPress Site

wp-spam-proof-emails.php

function security_remove_emails($content) {
    $pattern = '/([a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4})/i';
    $fix = preg_replace_callback($pattern,
"security_remove_emails_logic", $content);

    return $fix;
}
function security_remove_emails_logic($result) {
    return antispambot($result[1]);
}
add_filter( 'the_content', 'flex_remove_emails', 20 );
add_filter( 'widget_text', 'flex_remove_emails', 20 );