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mysqli_stmt::get_resultmysqli_stmt_get_result
187
void mysqli_stmt::free_result();
Procedural style
void mysqli_stmt_free_result(
mysqli_stmt stmt);
Frees the result memory associated with the statement, which was allocated by
mysqli_stmt_store_result.
Parameters
stmt
Procedural style only: A statement identifier returned by
mysqli_stmt_init.
Return Values
No value is returned.
See Also
mysqli_stmt_store_result
3.10.16 mysqli_stmt::get_resultmysqli_stmt_get_result
Copyright 1997-2014 the PHP Documentation Group.
• mysqli_stmt::get_result
mysqli_stmt_get_result
Gets a result set from a prepared statement
Description
Object oriented style
mysqli_result mysqli_stmt::get_result();
Procedural style
mysqli_result mysqli_stmt_get_result(
mysqli_stmt stmt);
Call to return a result set from a prepared statement query.
Parameters
stmt
Procedural style only: A statement identifier returned by
mysqli_stmt_init.
Return Values
Returns a resultset for successful SELECT queries, or FALSE for other DML queries or on failure. The
mysqli_errno function can be used to distinguish between the two types of failure.
MySQL Native Driver Only
Available only with mysqlnd.
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mysqli_stmt::get_resultmysqli_stmt_get_result
188
Examples
Example 3.93 Object oriented style
<?php 
$mysqli = new mysqli("127.0.0.1", "user", "password", "world"); 
if($mysqli->connect_error)
{
die("$mysqli->connect_errno: $mysqli->connect_error");
}
$query = "SELECT Name, Population, Continent FROM Country WHERE Continent=? ORDER BY Name LIMIT 1";
$stmt = $mysqli->stmt_init();
if(!$stmt->prepare($query))
{
print "Failed to prepare statement\n";
}
else
{
$stmt->bind_param("s", $continent);
$continent_array = array('Europe','Africa','Asia','North America');
foreach($continent_array as $continent)
{
$stmt->execute();
$result = $stmt->get_result();
while ($row = $result->fetch_array(MYSQLI_NUM))
{
foreach ($row as $r)
{
print "$r ";
}
print "\n";
}
}
}
$stmt->close();
$mysqli->close();
?>
Example 3.94 Procedural style
<?php 
$link = mysqli_connect("127.0.0.1", "user", "password", "world"); 
if (!$link)
{
$error = mysqli_connect_error();
$errno = mysqli_connect_errno();
print "$errno: $error\n";
exit();
}
$query = "SELECT Name, Population, Continent FROM Country WHERE Continent=? ORDER BY Name LIMIT 1";
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mysqli_stmt::get_warningsmysqli_stmt_get_warnings
189
$stmt = mysqli_stmt_init($link);
if(!mysqli_stmt_prepare($stmt, $query))
{
print "Failed to prepare statement\n";
}
else
{
mysqli_stmt_bind_param($stmt, "s", $continent);
$continent_array = array('Europe','Africa','Asia','North America');
foreach($continent_array as $continent)
{
mysqli_stmt_execute($stmt);
$result = mysqli_stmt_get_result($stmt);
while ($row = mysqli_fetch_array($result, MYSQLI_NUM))
{
foreach ($row as $r)
{
print "$r ";
}
print "\n";
}
}
}
mysqli_stmt_close($stmt);
mysqli_close($link);
?>
The above examples will output:
Albania 3401200 Europe 
Algeria 31471000 Africa 
Afghanistan 22720000 Asia 
Anguilla 8000 North America 
See Also
mysqli_prepare
mysqli_stmt_result_metadata
mysqli_stmt_fetch
mysqli_fetch_array
mysqli_stmt_store_result
mysqli_errno
3.10.17 mysqli_stmt::get_warningsmysqli_stmt_get_warnings
Copyright 1997-2014 the PHP Documentation Group.
• mysqli_stmt::get_warnings
mysqli_stmt_get_warnings
Get result of SHOW WARNINGS
Description
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mysqli_stmt::$insert_idmysqli_stmt_insert_id
190
Object oriented style
object mysqli_stmt::get_warnings(
mysqli_stmt stmt);
Procedural style
object mysqli_stmt_get_warnings(
mysqli_stmt stmt);
Warning
This function is currently not documented; only its argument list is available.
3.10.18 mysqli_stmt::$insert_idmysqli_stmt_insert_id
Copyright 1997-2014 the PHP Documentation Group.
• mysqli_stmt::$insert_id
mysqli_stmt_insert_id
Get the ID generated from the previous INSERT operation
Description
Object oriented style
int 
mysqli_stmt->insert_id ;
Procedural style
mixed mysqli_stmt_insert_id(
mysqli_stmt stmt);
Warning
This function is currently not documented; only its argument list is available.
3.10.19 mysqli_stmt::more_resultsmysqli_stmt_more_results
Copyright 1997-2014 the PHP Documentation Group.
• mysqli_stmt::more_results
mysqli_stmt_more_results
Check if there are more query results from a multiple query
Description
Object oriented style (method):
public bool mysqli_stmt::more_results();
Procedural style:
bool mysqli_stmt_more_results(
mysql_stmt stmt);
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mysqli_stmt::next_resultmysqli_stmt_next_result
191
Checks if there are more query results from a multiple query.
Parameters
stmt
Procedural style only: A statement identifier returned by
mysqli_stmt_init.
Return Values
Returns TRUE if more results exist, otherwise FALSE.
MySQL Native Driver Only
Available only with mysqlnd.
See Also
mysqli_stmt::next_result
mysqli::multi_query
3.10.20 mysqli_stmt::next_result, mysqli_stmt_next_result
Copyright 1997-2014 the PHP Documentation Group.
• mysqli_stmt::next_result
mysqli_stmt_next_result
Reads the next result from a multiple query
Description
Object oriented style (method):
public bool mysqli_stmt::next_result();
Procedural style:
bool mysqli_stmt_next_result(
mysql_stmt stmt);
Reads the next result from a multiple query.
Parameters
stmt
Procedural style only: A statement identifier returned by
mysqli_stmt_init.
Return Values
Returns TRUE on success or FALSE on failure.
Errors/Exceptions
Emits an E_STRICT level error if a result set does not exist, and suggests using
mysqli_stmt::more_results in these cases, before calling mysqli_stmt::next_result.
MySQL Native Driver Only
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mysqli_stmt::$num_rowsmysqli_stmt_num_rows
192
Available only with mysqlnd.
See Also
mysqli_stmt::more_results
mysqli::multi_query
3.10.21 mysqli_stmt::$num_rowsmysqli_stmt_num_rows
Copyright 1997-2014 the PHP Documentation Group.
• mysqli_stmt::$num_rows
mysqli_stmt_num_rows
Return the number of rows in statements result set
Description
Object oriented style
int 
mysqli_stmt->num_rows ;
Procedural style
int mysqli_stmt_num_rows(
mysqli_stmt stmt);
Returns the number of rows in the result set. The use of mysqli_stmt_num_rows depends on whether
or not you used mysqli_stmt_store_result to buffer the entire result set in the statement handle.
If you use mysqli_stmt_store_resultmysqli_stmt_num_rows may be called immediately.
Parameters
stmt
Procedural style only: A statement identifier returned by
mysqli_stmt_init.
Return Values
An integer representing the number of rows in result set.
Examples
Example 3.95 Object oriented style
<?php
/* Open a connection */
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
$query = "SELECT Name, CountryCode FROM City ORDER BY Name LIMIT 20";
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mysqli_stmt::$num_rowsmysqli_stmt_num_rows
193
if ($stmt = $mysqli->prepare($query)) {
/* execute query */
$stmt->execute();
/* store result */
$stmt->store_result();
printf("Number of rows: %d.\n", $stmt->num_rows);
/* close statement */
$stmt->close();
}
/* close connection */
$mysqli->close();
?>
Example 3.96 Procedural style
<?php
/* Open a connection */
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
$query = "SELECT Name, CountryCode FROM City ORDER BY Name LIMIT 20";
if ($stmt = mysqli_prepare($link, $query)) {
/* execute query */
mysqli_stmt_execute($stmt);
/* store result */
mysqli_stmt_store_result($stmt);
printf("Number of rows: %d.\n", mysqli_stmt_num_rows($stmt));
/* close statement */
mysqli_stmt_close($stmt);
}
/* close connection */
mysqli_close($link);
?>
The above examples will output:
Number of rows: 20.
See Also
mysqli_stmt_affected_rows
mysqli_stmt::$param_countmysqli_stmt_param_count
194
mysqli_prepare
mysqli_stmt_store_result
3.10.22 mysqli_stmt::$param_countmysqli_stmt_param_count
Copyright 1997-2014 the PHP Documentation Group.
• mysqli_stmt::$param_count
mysqli_stmt_param_count
Returns the number of parameter for the given statement
Description
Object oriented style
int 
mysqli_stmt->param_count ;
Procedural style
int mysqli_stmt_param_count(
mysqli_stmt stmt);
Returns the number of parameter markers present in the prepared statement.
Parameters
stmt
Procedural style only: A statement identifier returned by
mysqli_stmt_init.
Return Values
Returns an integer representing the number of parameters.
Examples
Example 3.97 Object oriented style
<?php
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
if ($stmt = $mysqli->prepare("SELECT Name FROM Country WHERE Name=? OR Code=?")) {
$marker = $stmt->param_count;
printf("Statement has %d markers.\n", $marker);
/* close statement */
$stmt->close();
}
/* close connection */
mysqli_stmt::preparemysqli_stmt_prepare
195
$mysqli->close();
?>
Example 3.98 Procedural style
<?php
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
if ($stmt = mysqli_prepare($link, "SELECT Name FROM Country WHERE Name=? OR Code=?")) {
$marker = mysqli_stmt_param_count($stmt);
printf("Statement has %d markers.\n", $marker);
/* close statement */
mysqli_stmt_close($stmt);
}
/* close connection */
mysqli_close($link);
?>
The above examples will output:
Statement has 2 markers.
See Also
mysqli_prepare
3.10.23 mysqli_stmt::preparemysqli_stmt_prepare
Copyright 1997-2014 the PHP Documentation Group.
• mysqli_stmt::prepare
mysqli_stmt_prepare
Prepare an SQL statement for execution
Description
Object oriented style
mixed mysqli_stmt::prepare(
string query);
Procedural style
mysqli_stmt::preparemysqli_stmt_prepare
196
bool mysqli_stmt_prepare(
mysqli_stmt stmt,
string query);
Prepares the SQL query pointed to by the null-terminated string query.
The parameter markers must be bound to application variables using mysqli_stmt_bind_param and/or
mysqli_stmt_bind_result before executing the statement or fetching rows.
Note
In the case where you pass a statement to mysqli_stmt_prepare that is longer
than max_allowed_packet of the server, the returned error codes are different
depending on whether you are using MySQL Native Driver (mysqlnd) or MySQL
Client Library (libmysqlclient). The behavior is as follows:
• mysqlnd on Linux returns an error code of 1153. The error message means “got
a packet bigger than max_allowed_packet bytes”.
• mysqlnd on Windows returns an error code 2006. This error message means
“server has gone away” ” .
• libmysqlclient on all platforms returns an error code 2006. This error
message means “server has gone away” ” .
Parameters
stmt
Procedural style only: A statement identifier returned by
mysqli_stmt_init.
query
The query, as a string. It must consist of a single SQL statement.
You can include one or more parameter markers in the SQL statement
by embedding question mark (?) characters at the appropriate positions.
Note
You should not add a terminating semicolon or
\g to the statement.
Note
The markers are legal only in certain places in
SQL statements. For example, they are allowed
in the VALUES() list of an INSERT statement
(to specify column values for a row), or in a
comparison with a column in a WHERE clause to
specify a comparison value.
However, they are not allowed for identifiers
(such as table or column names), in the select
list that names the columns to be returned by a
SELECT statement), or to specify both operands
of a binary operator such as the = equal sign.
The latter restriction is necessary because it
would be impossible to determine the parameter
type. In general, parameters are legal only in
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