lmysql_usage.php

<?php 
$sql = "INSERT INTO table ( a , b , c ) VALUES ( ? , ? , ? )";

// prepared statement without the wrapper function
if ( $stmt = $mysql->prepare( $sql ) )
{
    if ( $stmt->bind_param( "iis" , 1 , 2 , "string" ) ) 
    {
        if ( $stmt->execute() ) 
        {
            $stmt->close();
            echo "success";
        }
        else
        {
            $stmt->close();
            echo "execute error";
        }
    }
    else
    {
        $stmt->close();
        echo "bind_param error";
    }
}
else
{
    echo "prepare error";
}

// prepared statement with the wrapper function
if ( lmysql_execute( $mysql , $sql , "iis" , 1 , 2 , "string" ) )
{
    echo "success";
}
else
{
    echo "fail";
}

// normal query
if ( $mysql->query( "INSERT INTO table ( a , b , c ) VALUES ( 1 , 2 , 'string' )" ) )
{
    echo "success";
}
else
{
    echo "fail";
}

// select example
if ( $result = lmysql_select( $mysql , "SELECT * FROM table WHERE ID=?" , "i" , 123 ) )
{
    while ( $row = $result->fetch_assoc() )
    {
        var_dump( $row );
    }
}
else 
{
    echo "fail";
}
?>