[英]php mysqli_multi_query not getting data
我嘗試從db進行自動完成搜索的結果。 我使用此代碼獲取名稱,在db中我有一行包含四列可以包含搜索關鍵字。
function search_results($conn,$str){
$sql = "SELECT g_custom_1 as str FROM gallery WHERE g_custom_1 LIKE '%{$str}%'";
$sql .= "SELECT g_custom_2 as str FROM gallery WHERE g_custom_2 LIKE '%{$str}%'";
$sql .= "SELECT g_custom_3 as str FROM gallery WHERE g_custom_3 LIKE '%{$str}%'";
$sql .= "SELECT g_custom_4 as str FROM gallery WHERE g_custom_4 LIKE '%{$str}%'";
//$sub_data=array();
if (mysqli_multi_query($conn,$sql))
{
$data=array();
do
{
// Store first result set
if ($result=mysqli_store_result($conn)) {
// Fetch one and one row
while ($row=mysqli_fetch_row($result))
{
$data[]=$row['str'];
}
// Free result set
mysqli_free_result($result);
}
}
while (mysqli_next_result($conn));
}
else{
echo "error";
}
$data_unique=array_unique($data);
return $data_unique;
}
您需要使用分號分隔每個查詢。 這是您當前的字符串:
$sql="SELECT g_custom_1 as str FROM gallery WHERE g_custom_1 LIKE '%{$str}%'SELECT g_custom_2 as str FROM gallery WHERE g_custom_2 LIKE '%{$str}%'SELECT g_custom_3 as str FROM gallery WHERE g_custom_3 LIKE '%{$str}%'SELECT g_custom_4 as str FROM gallery WHERE g_custom_4 LIKE '%{$str}%'";
注意后續查詢中的SELECT如何被粉碎到上一個查詢的后端?
我可能會建議:
$sql[]="SELECT g_custom_1 as str FROM gallery WHERE g_custom_1 LIKE '%{$str}%'";
$sql[]="SELECT g_custom_2 as str FROM gallery WHERE g_custom_2 LIKE '%{$str}%'";
$sql[]="SELECT g_custom_3 as str FROM gallery WHERE g_custom_3 LIKE '%{$str}%'";
$sql[]="SELECT g_custom_4 as str FROM gallery WHERE g_custom_4 LIKE '%{$str}%'";
if(mysqli_multi_query($conn,implode(';',$sql))){
您可能還會發現此答案提供信息: 嚴格標准:mysqli_next_result()錯誤與mysqli_multi_query
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