PHP SQL·µ»ØÊý×éûÓÐË÷Òý - PHP / »ù´¡±à³Ì

±íAÖÐ×Ö¶ÎtebleÓÐÁ½ÌõÊý¾Ý
²éѯA±ítable×ֶβ¢Í³¼ÆÊýÄ¿»ñµÃÁË×Ö¶ÎÃûΪnumֵΪ2
´úÂë:$temp=$data->query($sql)
ÏÖÔÚÎÒÒªÏÔʾÕâ¸öͳ¼Æecho $temp[0]['num'] µ«ÊÇ¿ÕµÄ
È»ºóÎÒÓÃprint_r($temp)ÏÔʾµÄÊÇArray ( [] => Array ( [num] => 1 ) )
ΪʲôËüûË÷ÒýÁË?

ÖØ×°Ö®ºó¾ÍÕâÑùÁË...ÊÇÎÒµÄphpiniÄÄÅäÖõÄÎÊÌâÂð?
¶ÔÁË,ÒÔÇ°ÓõÄphp°æ±¾ÊÇ5.2.9 ÖØ×°ºóÓõÄÊÇ5.2.13

$dataµÄquery·½·¨ÊÇ:
PHP code:

function query($sql){
$result = mysql_query($sql,$this->con);
while ($row = mysql_fetch_assoc($result)){
$array[$i++] = $row;
}

---

PHP code:

function query($sql)//·µ»Ø¶à¸ö¡£
{
$rss=array();
$result=mysql_query($sql);
if(mysql_num_rows($result)!=0)
{

while($row=mysql_fetch_assoc($result))
{
$rss[]=$row;
}

}
return $rss;
}

---

PHP code:
<?php
function query($sql){
$result = mysql_query($sql,$this->con);
return mysql_fetch_assoc($result);
}
?>

---

#1Â¥µÄ¿ÉÐÐ

---

ÕâÑù¾Í¿ÉÒÔÁË
function query($sql){
  $result = mysql_query($sql,$this->con);