error: SQLSTATE[HY000] [2002] No such file or directory
Error al conectar a la base de datos. SQLSTATE[HY000] [2002] No such file or
directory

<?php
     $DB_host="localhost";
     $DB_user="root";
     $DB_pass="pass";
     $DB_name="aviwebco_supera_tu_crisis";

            try {

                 $DB_con = new PDO("mysql:host={$DB_host};dbname={$DB_name}", $DB_user,$DB_pass);
                 $DB_con->exec("SET CHARACTER SET utf8");
                 $DB_con->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

                } catch (PDOException $e) {

                 print "¡Error!: " . $e->getMessage() . "<br/>";
                 echo "Error al conectar a la base de datos. " . $e->getMessage() . "<br/>";
}

?>