PHP-Handbuch: Retrieves metadata for the fields of a statement prepared by sqlsrv_prepare or sqlsrv

Beschreibung

mixed sqlsrv_field_metadata ( resource $stmt )

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 statment resource for which metadata is returned.

Rückgabewerte

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

**Array returned by sqlsrv_field_metadata**
Key	Description
Name	The name of the field.
Type	The numeric value for the SQL type.
Size	The number of characters for fields of character type, the number of bytes for fields of binary type, or `NULL` for other types.
Precision	The precision for types of variable precision, `NULL` for other types.
Scale	The scale for types of variable scale, `NULL` for other types.
Nullable	An 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

sqlsrv_client_info