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PHP protocol_version() / mysqli_get_proto_info() Function

PHP MySQLi Reference : Return the MySQL protocol version

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);
?>

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