oci_num_fields

    (PHP 5, PHP 7, PHP 8, 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 int.

    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 NUMBER

    oci_free_statement($stid);
    oci_close($conn);

    ?>
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