How to use strings from php array in postgresql query?

Question

need help with using php variables in postgresql query. I am trying to make several queries to postgresql database using php array elements, but it does't work. Can anybody help?

// $nums array with strings like - "983458999893440"  

for ($i=0; $i<count($nums); $i++){  

 $tm = pg_escape_string($nums[$i]);  

 $sql = "SELECT SUM(sp.summ) FROM tk.sp_tran sp WHERE sp.long_pan ='{$tm}'";  

   $panSum = dbCon::conn($sql);//return result of pg_fetch_all();  

//Code above don't work  
//Code below is ok   

 $tm = pg_escape_string("983458999893440");  

 $sql = "SELECT SUM(sp.summ) FROM tk.sp_tran sp WHERE sp.long_pan ='{$tm}'";  

   $panSum = dbCon::conn($sql);//return result of pg_fetch_all();  

//Please help to understand what is wrong?   

Answer 1

I find a space symbol before first letter of the string in csv file. So code is ok. It is just my an inattention(((