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sqlsrv_fetch_array

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sqlsrv_fetch_arrayReturns a row as an array

Descrição

array sqlsrv_fetch_array ( resource $stmt [, int $fetchType [, int $row [, int $offset ]]] )

Returns the next available row of data as an associative array, a numeric array, or both (the default).

Parâmetros

stmt

A statement resource returned by sqlsrv_query or sqlsrv_prepare.

fetchType

A predefined constant specifying the type of array to return. Possible values are SQLSRV_FETCH_ASSOC, SQLSRV_FETCH_NUMERIC, and SQLSRV_FETCH_BOTH (the default).

A fetch type of SQLSRV_FETCH_ASSOC should not be used when consuming a result set with multiple columns of the same name.

row

Specifies the row to access in a result set that uses a scrollable cursor. Possible values are SQLSRV_SCROLL_NEXT, SQLSRV_SCROLL_PRIOR, SQLSRV_SCROLL_FIRST, SQLSRV_SCROLL_LAST, SQLSRV_SCROLL_ABSOLUTE and, SQLSRV_SCROLL_RELATIVE (the default). When this parameter is specified, the fetchType must be explicitly defined.

offset

Specifies the row to be accessed if the row parameter is set to SQLSRV_SCROLL_ABSOLUTE or SQLSRV_SCROLL_RELATIVE. Note that the first row in a result set has index 0.

Valor Retornado

Returns an array on success, NULL if there are no more rows to return, and FALSE if an error occurs.

Exemplos

Exemplo #1 Retrieving an associative array.

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

$sql "SELECT FirstName, LastName FROM SomeTable";
$stmt sqlsrv_query$conn$sql );
if( 
$stmt === false) {
    die( 
print_rsqlsrv_errors(), true) );
}

while( 
$row sqlsrv_fetch_array$stmtSQLSRV_FETCH_ASSOC) ) {
      echo 
$row['LastName'].", ".$row['FirstName']."<br />";
}

sqlsrv_free_stmt$stmt);
?>

Exemplo #2 Retrieving a numeric array.

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

$sql "SELECT FirstName, LastName FROM SomeTable";
$stmt sqlsrv_query$conn$sql );
if( 
$stmt === false) {
    die( 
print_rsqlsrv_errors(), true) );
}

while( 
$row sqlsrv_fetch_array$stmtSQLSRV_FETCH_NUMERIC) ) {
      echo 
$row[0].", ".$row[1]."<br />";
}

sqlsrv_free_stmt$stmt);
?>

Notas

Not specifying the fetchType or explicity using the SQLSRV_FETCH_TYPE constant in the examples above will return an array that has both associative and numeric keys.

If more than one column is returned with the same name, the last column will take precedence. To avoid field name collisions, use aliases.

If a column with no name is returned, the associative key for the array element will be an empty string ("").

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User Contributed Notes 1 note

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1
Anonymous
3 months ago
Note that while the docs say to avoid SQLSRV_FETCH_ASSOC when dealing with result sets where multiple fields have the same name, there are cases when this is perfectly valid to do.

Consider the following query:

SELECT * FROM a INNER JOIN b ON a.id = b.id

For any row, if you fetch NUMERIC you'll get a field for both a.id and b.id, which probably isn't very useful.

If you fetch ASSOC, you'll get one field for "id", and given that it's always the same in both tables (because your query insists it is so), you're not at risk of losing anything.

If you're generating output based on an unknown number of fields, the ASSOC behavior might be preferred.
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