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sqlsrv_free_stmt

sqlsrv_free_stmt

Frees all resources for the specified statement

bool **sqlsrv_free_stmt** resource $stmt

Frees all resources for the specified statement. The statement cannot be used after has been called on it. If is called on an in-progress statement that alters server state, statement execution is terminated and the statement is rolled back. sqlsrv_free_stmt``sqlsrv_free_stmt

stmtThe statement for which resources are freed. Note that null is a valid parameter value. This allows the function to be called multiple times in a script.

return.success

Voorbeeld: example

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

$stmt = sqlsrv_query( $conn, "SELECT * FROM Table_1");
if( $stmt === false ) {
     die( print_r( sqlsrv_errors(), true));
}

/*-------------------------------
     Process query results here.
-------------------------------*/

/* Free the statement resources. */
sqlsrv_free_stmt( $stmt);

?>

The main difference between and is that a statement resource cancelled with can be re-executed if it was created with . A statement resource cancelled with cannot be re-executed. sqlsrv_free_stmt``sqlsrv_cancel``sqlsrv_cancel``sqlsrv_prepare``sqlsrv_free_statement

sqlsrv_cancel