&reftitle.examples; These examples connect as the HR user, which is the sample "Human Resources" schema supplied with the Oracle database. The account may need to be unlocked and the password reset before you can use it. The examples connect to the XE database on your machine. Change the connect string to your database before running the examples. Basic query This shows querying and displaying results. Statements in OCI8 use a prepare-execute-fetch sequence of steps. \n"; while ($row = oci_fetch_array($stid, OCI_ASSOC+OCI_RETURN_NULLS)) { print "\n"; foreach ($row as $item) { print " " . ($item !== null ? htmlentities($item, ENT_QUOTES) : " ") . "\n"; } print "\n"; } print "\n"; oci_free_statement($stid); oci_close($conn); ?> ]]> Inserting with bind variables Bind variables improve performance by allowing reuse of execution contexts and caches. Bind variables improve security by preventing some kinds of SQL Injection problems. ]]> Inserting data into a CLOB column For large data use binary long object (BLOB) or character long object (CLOB) types. This example uses CLOB. save("A very long string"); oci_commit($conn); // Fetching CLOB data $query = 'SELECT myclob FROM mytable WHERE mykey = :mykey'; $stid = oci_parse ($conn, $query); oci_bind_by_name($stid, ":mykey", $mykey, 5); oci_execute($stid); print ''; while ($row = oci_fetch_array($stid, OCI_ASSOC)) { $result = $row['MYCLOB']->load(); print ''; } print '
'.$result.'
'; ?> ]]>
Using a PL/SQL stored function You must bind a variable for the return value and optionally for any PL/SQL function arguments. ]]> Using a PL/SQL stored procedure With stored procedures, you should bind variables for any arguments. ]]> Calling a PL/SQL function that returns a <literal>REF CURSOR</literal> Each returned value from the query is a REF CURSOR that can be fetched from. \n"; while (($row = oci_fetch_array($stid, OCI_ASSOC))) { echo "\n"; $rc = $row['MFRC']; oci_execute($rc); // returned column value from the query is a ref cursor while (($rc_row = oci_fetch_array($rc, OCI_ASSOC))) { echo " " . $rc_row['CITY'] . "\n"; } oci_free_statement($rc); echo "\n"; } echo "\n"; // Output is: // Beijing // Bern // Bombay // Geneva oci_free_statement($stid); oci_close($conn); ?> ]]>