ibase_fetch_row

(PHP 3 >= 3.0.6, PHP 4, PHP 5)

ibase_fetch_row -- Fetch a row from an InterBase database

Description

array ibase_fetch_row ( resource result_identifier [, int fetch_flag] )

Returns an array that corresponds to the fetched row, or FALSE if there are no more rows.

ibase_fetch_row() fetches one row of data from the result associated with the specified result_identifier. The row is returned as an array. Each result column is stored in an array offset, starting at offset 0.

Subsequent calls to ibase_fetch_row() return the next row in the result set, or FALSE if there are no more rows.

fetch_flag is a combination of the constants IBASE_TEXT and IBASE_UNIXTIME ORed together. Passing IBASE_TEXT will cause this function to return BLOB contents instead of BLOB ids. Passing IBASE_UNIXTIME will cause this function to return date/time values as Unix timestamps instead of as formatted strings.

See also ibase_fetch_assoc() and ibase_fetch_object().


add a note add a note User Contributed Notes
richard at wojthegame dot com
16-Mar-2006 10:06
If you have a query

"select ... from table1 where ..."

and would like to know the cardinality of the result set by issuing a separate query

"select count(*) from table1 where ..."

then you might end up with an incorrect value since an insert or delete can occur between the running of these queries (unlikely, but possible).
The only way i can think of getting the correct value would be something along the lines of

<?php

$qry
= "select ... from table1 where ...";
$result = ibase_query($tr, $qry) // assume $tr is a transaction

$count = 0;
while (
$row[$count] = ibase_fetch_assoc($result))
  
$count++;

?>

then $count is the cardinality, and $row the result set.
Then you can work with the result set:

<?php

for ($i = 0; $i < $count; $i++)
{
 
// do something with $row[$i]
}

?>
gurroa at gurroa dot cz
09-Jul-2003 03:41
I had some troubles with moving php application from one dbase to another. From SyBase to Interbase.
Especially with missing function "ibase_num_rows($result)".

These are functions that helped me.
<?php
...
$dbh = ibase_connect ($host, $username, $password);
...
$ar_count_queries = array();

function
ibasequery($query) {
 
$cquery = preg_replace("/SELECT(.*?)FROM(.*?)/","SELECT COUNT(*) FROM \\2",$query);
  if (
$cquery != $query) {
  
$crow=get_object_vars( ibase_fetch_object( ibase_query( $GLOBALS["dbh"], $cquery ) ) );
   }
  @
$res = ibase_query($GLOBALS["dbh"],$query);
  if (isset(
$res)) {
   if (isset(
$crow)) {
    
$GLOBALS["ar_count_queries"][$res] = $radcountselect["COUNT"];
   }
   return
$res;
  }
   return
false;
}

function
ibasenumrows($result) {
  return
$GLOBALS["ar_count_queries"][$res];
}

function
ibasefetchrow($result) {
  return
get_object_vars(ibase_fetch_object($result));
}

// example
$result = ibasequery("SELECT * FROM TABLE");
$numrows = ibasenumrows($result);
echo
"Number of rows: $numrows.\nContent: \n";
while (
$onerow = ibasefetchrow($res)) {
  foreach(
$onerow as $key => $value) {
   echo
$key.": ".$value.", ";
  }
  echo
"\n";
}
?>
Gurroa