sqlsrv_fetchsqlsrv_field_metadata
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sqlsrv_field_metadata — Retrieves metadata for the fields of a statement prepared by sqlsrv_prepare() or sqlsrv_query()
Description
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.
Parameters
-
stmt -
The statment resource for which metadata is returned.
Return Values
Returns an array of arrays is returned on success. Otherwise, FALSE is returned.
Each returned array is described by the following table:
| 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. |
Examples
Example #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 />";
}
?>
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