PHP mysqli stmt_init() Function

Example - Object Oriented style

Initialize a statement and return an object to use with stmt_prepare():

<?php
$mysqli = new mysqli("localhost","my_user","my_password","my_db");

if ($mysqli -> connect_errno) {
echo "Failed to connect to MySQL: " . $mysqli -> connect_error;
exit();
}

$city="Sandnes";

// Create a prepared statement
$stmt = $mysqli -> stmt_init();

if ($stmt -> prepare("SELECT District FROM City WHERE Name=?")) {
// Bind parameters
$stmt -> bind_param("s", $city);

// Execute query
$stmt -> execute();

// Bind result variables
$stmt -> bind_result($district);

// Fetch value
$stmt -> fetch();

printf("%s is in district %s", $city, $district);

// Close statement
$stmt -> close();
}

$mysqli -> close();
?>

Look at example of procedural style at the bottom.

Definition and Usage

The stmt_init() / mysqli_stmt_init() function initializes a statement and returns an object suitable for mysqli_stmt_prepare().

Syntax

Object oriented style:

$mysqli -> stmt_init()

Procedural style:

mysqli_stmt_init(connection)

Parameter Values

Parameter	Description
connection	Required. Specifies the MySQL connection to use

Technical Details

Return Value:	Returns an object
PHP Version:	5+

Example - Procedural style

Initialize a statement and return an object to use with mysqli_stmt_prepare():

<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");

if (mysqli_connect_errno()) {
echo "Failed to connect to MySQL: " . mysqli_connect_error();
exit;
}

$city="Sandnes";

// Create a prepared statement
$stmt = mysqli_stmt_init($con);

if (mysqli_stmt_prepare($stmt, "SELECT District FROM City WHERE Name=?")) {
// Bind parameters
mysqli_stmt_bind_param($stmt, "s", $city);

// Execute query
mysqli_stmt_execute($stmt);

// Bind result variables
mysqli_stmt_bind_result($stmt, $district);

// Fetch value
mysqli_stmt_fetch($stmt);

printf("%s is in district %s", $city, $district);

// Close statement
mysqli_stmt_close($stmt);
}

mysqli_close($con);
?>

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