Php/docs/function.oci-num-fields
oci_num_fields
(PHP 5, PHP 7, PECL OCI8 >= 1.1.0)
oci_num_fields — Returns the number of result columns in a statement
Description
oci_num_fields
( resource $statement
) : int
Gets the number of columns in the given statement.
Parameters
statement- A valid OCI statement identifier.
Return Values
Returns the number of columns as an integer, or FALSE on errors.
Examples
Example #1 oci_num_fields() example
<?php// Create the table with:// CREATE TABLE mytab (id NUMBER, quantity NUMBER);$conn = oci_connect("hr", "hrpwd", "localhost/XE");if (!$conn) { $m = oci_error(); trigger_error(htmlentities($m['message']), E_USER_ERROR);}$stid = oci_parse($conn, "SELECT * FROM mytab");oci_execute($stid, OCI_DESCRIBE_ONLY); // Use OCI_DESCRIBE_ONLY if not fetching rows$ncols = oci_num_fields($stid);for ($i = 1; $i <= $ncols; $i++) { echo oci_field_name($stid, $i) . " " . oci_field_type($stid, $i) . "<br>\n";}// Outputs:// ID NUMBER// QUANTITY NUMBERoci_free_statement($stid);oci_close($conn);?>
Notes
Note:
In PHP versions before 5.0.0 you must use ocinumcols() instead. This name still can be used, it was left as alias of oci_num_fields() for downwards compatability. This, however, is deprecated and not recommended.
