PHP protocol_version() / mysqli_get_proto_info() Function
Example - Object Oriented style
Return the MySQL protocol version:
<?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();
}
echo $mysqli -> protocol_version;
$mysqli -> close();
?>
Look at example of procedural style at the bottom.
Definition and Usage
The mysqli_get_proto_info() function returns the MySQL protocol version.
Syntax
Object oriented style:
$mysqli ->
protocol_version
Procedural style:
mysqli_get_proto_info(connection)
Parameter Values
| Parameter | Description |
|---|---|
| connection | Required. Specifies the MySQL connection to use |
Technical Details
| Return Value: | Returns an integer that represents the MySQL protocol version |
|---|---|
| PHP Version: | 5+ |
Example - Procedural style
Return the MySQL protocol version:
<?php
$con = mysqli_connect("localhost","my_user","my_password","my_db");
if (mysqli_connect_errno()) {
echo "Failed to connect to MySQL: " . mysqli_connect_error();
exit();
}
echo mysqli_get_proto_info($con);
mysqli_close($con);
?>
❮ PHP MySQLi Reference
