PHP : Array To CSV

PHP : Array To CSV

/**
* Generating CSV formatted string from an array.
*/
function array_to_csv($array, $header_row = true, $col_sep = ",", $row_sep = "\n", $qut = '"')
{
    if (!is_array($array) or !is_array($array[0])) return false;
    
    //Header row.
    if ($header_row)
    {
        foreach ($array[0] as $key => $val)
        {
            //Escaping quotes.
            $key = str_replace($qut, "$qut$qut", $key);
            $output .= "$col_sep$qut$key$qut";
        }
        $output = substr($output, 1)."\n";
    }
    //Data rows.
    foreach ($array as $key => $val)
    {
        $tmp = '';
        foreach ($val as $cell_key => $cell_val)
        {
            //Escaping quotes.
            $cell_val = str_replace($qut, "$qut$qut", $cell_val);
            $tmp .= "$col_sep$qut$cell_val$qut";
        }
        $output .= substr($tmp, 1).$row_sep;
    }
    
    return $output;
}