请问一个PHP操作MYSQL的有关问题

请教一个PHP操作MYSQL的问题

PHP code

<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->function writeLeft(){    $retArray = array();    [color=#FF0000]$sql = "select id,name,strr from jh_lanmu";[/color]    $result = mysql_query($sql,$conn);    while($myrow = mysql_fetch_array($result,MYSQL_BOTH))    {        $retArray[] = $myrow;    }    mysql_free_result($result);    foreach($retArray as $tmp)    {        echo '

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