You have several ways to access the return values of an SQL query, but the following functions are used most often in practice: oci_fetch_assoc() returns the current row in the resultset as an associative array. oci_fetch_object() returns the current row in the resultset as an object. oci_fetch_row() returns the current row in the resultset as a numeric array. oci_fetch_all() returns the complete resultset as an array of associative arrays. However, five parameters are required: the statement object from oci_parse(), the array that is used for the return data, the number of lines to skip, the maximum number of rows to be returned (-1 means infinite), and whether to return a numeric (OCI_NUM) or associative (OCI_ASSOC) array.
The listing in this phrase uses a while loop and oci_fetch_object() to retrieve all data in the table. Retrieving Data from Oracle (oci_fetch.php; excerpt) <table> <tr><th>#</th><th>Quote</th><th>Author</th><th>Year< /th></tr> <?php if ($db = @oci_connect('scott', 'tiger', 'orcl')) { $stmt = oci_parse($db, 'SELECT * FROM quotes'); oci_execute($stmt, OCI_COMMIT_ON_SUCCESS); while ($row = oci_fetch_object($stmt)) { printf( '<tr><td>%s</td><td>%s</td><td>%s</td><td>%s</td></ tr>', htmlspecialchars($row->ID), htmlspecialchars($row->QUOTE), htmlspecialchars($row->AUTHOR), htmlspecialchars($row->YEAR) ); } oci_close($db); } else { echo '<tr><td colspan="4">Connection failed.</td></tr>'; } ?> </table>
NOTE Oracle always returns column names in uppercase. Therefore, you have to use uppercase object properties or uppercase associative array keys when accessing the return values of an SQL query. |
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