sqlsrv_field_metadata

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    sqlsrv_field_metadata — Retrieves metadata for the fields of a statement prepared by sqlsrv_prepare() or sqlsrv_query()

    Beschreibung

    sqlsrv_field_metadata(resource$stmt): mixed

    Retrieves metadata for the fields of a statement prepared by sqlsrv_prepare() or sqlsrv_query(). sqlsrv_field_metadata() can be called on a statement before or after statement execution.

    Parameter-Liste

    stmt

    The statement resource for which metadata is returned.

    Rückgabewerte

    Returns an array of arrays on success. Otherwise, false is returned. Each returned array is described by the following table:

    Array returned by sqlsrv_field_metadata
    KeyDescription
    NameThe name of the field.
    TypeThe numeric value for the SQL type.
    SizeThe number of characters for fields of character type, the number of bytes for fields of binary type, or null for other types.
    PrecisionThe precision for types of variable precision, null for other types.
    ScaleThe scale for types of variable scale, null for other types.
    NullableAn enumeration indicating whether the column is nullable, not nullable, or if it is not known.
    For more information, see » sqlsrv_field_metadata in the Microsoft SQLSRV documentation.

    Beispiele

    Beispiel #1 sqlsrv_field_metadata() example

    <?php
    $serverName     = "serverName\sqlexpress";
    $connectionInfo = array( "Database"=>"AdventureWorks", "UID"=>"username", "PWD"=>"password");
    $conn = sqlsrv_connect( $serverName, $connectionInfo);
    if(     $conn === false ) {
    die(     print_r( sqlsrv_errors(), true));
    }

    $sql = "SELECT * FROM Table_1";
    $stmt = sqlsrv_prepare( $conn, $sql );

    foreach(     sqlsrv_field_metadata( $stmt ) as $fieldMetadata ) {
    foreach(     $fieldMetadata as $name => $value) {
    echo     "$name: $value<br />";
    }
    echo     "<br />";
    }
    ?>

    Siehe auch

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