我正在尝试在每个循环中使用新的"WHERE (AND)"子句查询数据库。新子句只是循环的编号。
我需要将每个循环返回的行数保存在我正在努力处理的数组中。
例如,如果有两个循环,则第一个循环返回 2 行,第二个循环返回 3 行。我希望数组本质上是:
$portfolio_list = array(2,3);
这是我设法得到的,毫不奇怪它无法正常工作。
任何帮助都会很棒!
$portfolios = 2;
$i = 1;
$portfolios_list = array();
while ($i <= $portfolios) {
$portfolio_sql = "
SELECT COUNT(portfolio_number) AS portfolio_uploaded_images
FROM exp_submissions
WHERE member_id = $member_id
AND type_id = '1'
AND portfolio_number = $i
";
$query = $this->EE->db->query($portfolio_sql);
$return = $query->result();
$portfolios_list[] = $return;
$i++;
}
请尝试这个
$portfolios = 2;
for ($i = 1; $i < $portfolios+1; $i++) { //this runs 2 times
$where_array = array('member_id' => $member_id, 'type_id' => '1', 'portfolio_number' => $i);
$this->db->where( $where_array );
//$this->db->select('*'); // I guess you do not need select for this
$portfolio_list[$i] = $this->db->get('exp_submissions')->num_rows();
}
var_dump($portfolio_list);
试试这个
$portfolios = 2;
$i = 1;
while ($i <= $portfolios) {
$portfolio_sql = "
SELECT COUNT(portfolio_number) AS portfolio_uploaded_images
FROM exp_submissions
WHERE member_id = $member_id
AND type_id = '1'
AND portfolio_number = $i
";
$query = $this->db->query($portfolio_sql);
$portfolios_list[$i] = $query->num_rows; // This will give the No of rows fetched
$i++;
}
foreach($portfolios_list as $row => $no)
{
echo "The Results Fetched from query no ".$row." is ".$no;
}