Meaning of $var->{"@$row[0]"}=" "; ???


 
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Old 01-30-2008
Meaning of $var->{"@$row[0]"}=" "; ???

while (my $row = $sth->fetchrow_arrayref) {
$var->{"@$row[0]"}=" ";
}

Can anyone help me understanding above mentioned.

i) As per my knowledge $row is taking ARRAY Refernce from the database
ii) @$row[0] is containing the value of 0th index of the array, testted the same.

but I am not able understand the meaning of below mentioned, as it looks like the we are trying to initialize the value to hash, don't know????

my $var->{"@$row[0]"}=" ";
jaigs_27
 
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FBSQL_DATA_SEEK(3)							 1							FBSQL_DATA_SEEK(3)

fbsql_data_seek - Move internal result pointer

SYNOPSIS
bool fbsql_data_seek (resource $result, int $row_number) DESCRIPTION
Moves the internal row pointer of the FrontBase result associated with the specified result identifier to point to the specified row num- ber. The next call to fbsql_fetch_row(3) would return that row. PARAMETERS
o $ result -A result identifier returned by fbsql_query(3) or fbsql_db_query(3). o $row_number - The row number. Starts at 0. RETURN VALUES
Returns TRUE on success or FALSE on failure. EXAMPLES
Example #1 fbsql_data_seek(3) example <?php $link = fbsql_pconnect("localhost", "_SYSTEM", "secret") or die("Could not connect"); fbsql_select_db("samp_db") or die("Could not select database"); $query = "SELECT last_name, first_name FROM friends;"; $result = fbsql_query($query) or die("Query failed"); // fetch rows in reverse order for ($i = fbsql_num_rows($result) - 1; $i >=0; $i--) { if (!fbsql_data_seek($result, $i)) { printf("Cannot seek to row %d ", $i); continue; } if (!($row = fbsql_fetch_object($result))) continue; echo $row->last_name . $row->first_name . "<br /> "; } fbsql_free_result($result); ?> PHP Documentation Group FBSQL_DATA_SEEK(3)