php中mysql_fetch_row() 和mysql_fetch_array之间有什么区别
2014-06-23 17:38
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mysql_fetch_row是从结果集取出1行数组,作为枚举
mysql_fetch_array是从结果集取出一行数组作为关联数组,或数字数组,两者兼得
eg:
$sql="select abc,def from a";
$res=mysql_query($sql);
那么:
$row=mysql_fetch_row($res);
$row结果是两个:$row[0]和$row[1]
那么:
$row=mysql_fetch_array($res);
$row结果是4个:$row[0]、$row[1]、$row["abc"]和$row["def"]
mysql_fetch_array是从结果集取出一行数组作为关联数组,或数字数组,两者兼得
eg:
$sql="select abc,def from a";
$res=mysql_query($sql);
那么:
$row=mysql_fetch_row($res);
$row结果是两个:$row[0]和$row[1]
那么:
$row=mysql_fetch_array($res);
$row结果是4个:$row[0]、$row[1]、$row["abc"]和$row["def"]
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