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This is a little bit more efficient version of regins entity converter. ;-)
Access: Public      Tags: php, xml, xhtml, entities
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<?php
function xmlEntities($string)
{
    $return = '';    

    for($i = 0; $i < strlen($string); $i++)
    {
        $ascii = ord($string{$i});
        
        if(($ascii >= 48 && $ascii <= 57) ||
            ($ascii >= 65 && $ascii <= 90) ||
            ($ascii >= 97 && $ascii <= 122))
        {
            $return .= $string{$i};
        }
        else
        {
            $return .= '&#'.$ascii.';';
        }
    }

    return $return;
}
?>
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Floriam

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