for ($count = 1; $row = $result->fetch_row(); ++$count) 这句话怎
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for ($count = 1; $row = $result->fetch_row(); ++$count) 这句话怎么解释?它是怎么循环的?
function get_user_urls($username)
{
//extract from the database all the URLs this user has stored
$conn = db_connect();
$result = $conn->query( "select bm_URL
from bookmark
where username = '$username'");
if $result)
return false;
//create an array of the URLs
$url_array = array();
for ($count = 1; $row = $result->fetch_row(); ++$count)
{
$url_array[$count] = $row[0];
}
return $url_array;
}
for ($count = 1; $row = $result->fetch_row(); ++$count) 这句话怎么解释?它是怎么循环的?
$count =1,为什么不是0,可以为0不?
function get_user_urls($username)
{
//extract from the database all the URLs this user has stored
$conn = db_connect();
$result = $conn->query( "select bm_URL
from bookmark
where username = '$username'");
if $result)
return false;
//create an array of the URLs
$url_array = array();
for ($count = 1; $row = $result->fetch_row(); ++$count)
{
$url_array[$count] = $row[0];
}
return $url_array;
}
for ($count = 1; $row = $result->fetch_row(); ++$count) 这句话怎么解释?它是怎么循环的?
$count =1,为什么不是0,可以为0不?
fetch_row()函数的作用是:从结果集中取得一行作为数值型数组
获取数据之后,mysql_fetch_row()函数将移动到下一条记录;如果函数成功执行,它将获取一行信息(该行是通过执行mysql_query()函数取得的)并返回该行信息
所以循环从数据集中选出数据,存到指定位置,直到数据集中没有数据
获取数据之后,mysql_fetch_row()函数将移动到下一条记录;如果函数成功执行,它将获取一行信息(该行是通过执行mysql_query()函数取得的)并返回该行信息
所以循环从数据集中选出数据,存到指定位置,直到数据集中没有数据
for ($count = 1; $row = $result->fetch_row(); ++$count) 这句话怎
php里 for($count=1;$row=$result->fetch_row();++$count){ $url_
for (count=MAX_NUMBER+1; count!=0; count--) 这句什么意思
int[] a = {1,2,3,4,5}; for (int count = 0; count < 5; count+
count+=count++是什么意思?
int count=0; for (int i = 0; i < 10; i++) { count=count++; }
void send(void) { uchar count; bitmsb=x; for(count=0;count
Int[] a={1,2,3,4,5}; For(int count=0;count
对于for(int Count=1;Count,5;){;},其循环体执行情况是?
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