我的表有10條記錄,mysql_num_rows表示mysql資源中有10行,在phpMyAdmin中我可以看到10行, 但是當mysql_fetch_array被調用時,前兩次這個工作正常,然後最後8次它返回FALSE。當mysql_num_rows說有數據時,mysql_fetch_array返回false,爲什麼?
爲什麼?
$query = "SELECT * FROM building_types";
$building_types = mysql_query($query) or die(mysql_error());// works
echo mysql_num_rows($building_types); // prints 10
$num_rows = mysql_num_rows($building_types);
for ($i = 0 ; $i < $num_rows ;$i++)
{
echo"hi1"; // this is printed 10 times
$building_type = mysql_fetch_array($building_types);
echo $building_type; // prints Array 2 times not 10 times ...
if ($building_type === FALSE) echo"hi2"; //this is printed the last 8 times ...
感謝,
問題解決了,罪魁禍首是一個重載的變量, 紙條給別人,檢查超載變量:) – dje1990 2012-03-29 14:56:40