php and mysql database by sandeep kumarsbattu.weebly.com/.../7/...php__mysql.....1410014.docx ·...

PHP AND MYSQL DATABASE by sandeep kumar 2013

PROJECT REPORT

for Six Weeks Industrial Training

At

Websphere Technologies

“ PHP AND MYSQL DATABASE”

SUBMITTED TO: SUBMITTED BY:

MR.PARVEEN SHARMA ER.SANDEEP KUMAR

H.O.D IN CSE DEPTT. ROLL NO.1410014

SKIET, KURUKSHETRA CSE 3RD YEAR – A1

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SHRI KRISHAN INSTITUTE OF ENGINEERING & TECHNOLOGY

KURUKSHETRA – 136118 (HARYANA)

ACKNOWLEDGEMENT

I Would like to thank “SKIET, college” for giving me the opportunity to

experience industrial atmosphere for six week during my academic term. I can feel

that I am much better engineer after this training. I would like to thank

“WEBSPHERE TECHNOLOGIES” for accommodating me & trusting my

capability as in Engineer. I have deep regards of Mr. K.S Shillay(Guide) for taking

me under their able guidance and giving me the freedom to exercise my idea in the

best possible way such that the learning was at its peak. I could not have performed

better under any circumstances.

I wish to express my appreciation to all those with I worked/interacted and their

thoughts & insights helped me in broadening my understanding & knowledge of

working in a corporate atmosphere.

(Sandeep Kumar)

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1. COMPANY PROFILE

1.1 About Company PhilosophyTelecommunications Consultants India Ltd (TCIL) is a leading ISO - 9001:2000 certified

public sector undertaking. TCIL, a premier telecommunication consultancy consultancy

and engineering company with a strong base in Telecommunication & Information

Technology (IT), was incorporated in 1978 by Department of Telecommunications

(DOT), Government of India under the aegis of Ministry of Communications, headed by

Minister of Communications and Information Technology. There are four PSUs under

DoT. TCIL is one of them. Other being Bharat Sanchar Nigam Limited (BSNL),

Mahanagar Telephone Nigam Ltd.(MTNL) ITI Limited.Backed by the vast network of

DoT/BSNL/MTNL, in terms of trained and experienced manpower, research &

development and training facilities, TCIL has made rapid strides. Today TCIL offers total

telecom solutions for projects. TCIL has working is works in almost 45 Countries mainly

in Middle East Africa, South-East Africa, South-East Asia and Europe. The

Organizational Structure is formed with the objectives of providing globally world-class

technology and Indian expertise all fields of Telecommunications and to provide total

Quality in project execution. TCIL-IT, Information Technology is a division of TCIL

Managed by ICSI.

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http://www.itiltd-india.com/

http://www.mtnl.net.in/index.htm

http://www.bsnl.co.in/

http://www.dotindia.com/organization/director.htm


1.2 TRAINING

The business of TCIL is characterized by Hi-tech mainly in the field of Telecom and IT, and

technology in this area is advancing very fast and with the view to keep update with the latest

technology TCIL undertakes training activities either through its own resources or through

external agencies. TCIL is having strategic tie-up with Advanced Level Telecom Centre of Govt.

of India.TCIL has also established its Training Centre TCIL- IT which is running various courses

duly approved by Department of Electronics, Govt. of India.TCIL has also organized a number

of training programmes catering to specific requirements of Telecom PTTs viz. Nigeria, Kuwait,

Maldives and Republic of Yemen to develop the Telecom business in foreign countries.TCIL has

established Training centers in Afghanistan and is also in the process of training their personnel

in India.

VISION

“To excel in providing communication solutions globally by anticipating opportunities in

technology”.

IT SERVICES

Turnkey Solution to meet end-to-end customer requirements

Networking Solutions with total System Integration and Implementations

Project Consultancy services from concept to commissioning

On-site Manpower Support

IT Training

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1.3 JOINT VENTURESTo serve its clients better in different regions of the world, TCIL has entered into strategic

alliances with top national and international enterprises such as:

Hexacom India

Tamilnadu Telecom Ltd.

TCIL Bell South

TCIL Saudi

Telecom Consultants Nigeria

ICSIL

UTL

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2.INTRODUCTION

Project Title : Technical Resources with multi solutions.

Project Duration : 6 Weeks

Project category : Web Based Application.

The project named is Technical Resources with multi solutions developed using PHP during

the industrial training. This project has been developed in partial fulfilment of Requirements for

the degree of B-Tech(CSE), from Shri Krishna Institute Of Engineering and Tecchnology

kurukshetra.

The aim of this project is all about the technical resources used in todays life.This

project is to develop and deploy a web based application for online multiple solution of resources

and there information and makes it easy to undersatnd. It will help you to get infromation for the

resources and it will really help you to interact with technologyvery easily .this website is

actually a vast collection of information that makes you to have selection for the best. One more

thing that is included in this site is that it offers free..The central concept of the application is to

allow the customer to get the desired information.The information pertaining to the products are

store on an RDBMS at the server side .The server process the customers and the cards are

shipped to the address submitted by them.The application was designed into wo modules first Os

for the customers who wish to get information about product.Second is for the producer who

maintains and updates the information pertaining to the articlesand those of the customer.

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2.1 STATEMENT ABOUT PROBLEM

The main purpose of the product specification is to define the need of the product’s user.

Sometimes, the specification may be a part of a contract sign between the producer and the user.

It could also form part of the user manuals. A user‘s needs are sometimes not clearly understood

by the developer. If this is the case, a careful analysis – involving many interactions with the user

should be devoted to reaching a clear statement of requirements; in order to avoid possible

misunderstandings.

Sometimes, at the beginning of a project, even the user has no clear idea of what exactly the

desired product is. Think for instance of user interface , a user with no previous experience with

computer products may not appreciate the difference between , say menu driven interaction and

command line interface. Even an exact formation of system functions and performance may be

missing an initial description produced by an inexperienced user.

2.2 OBJECTIVES OF PROJECT

Whether your focus is personal or professional, this will gives you full information about

the resources..

I like the ‘easy going’ feeling you’ve created around only this project and the ability to

look up your team and investors. But it’s really the service itself that sets you apart.

The re-use of content across multiple web sites or pages creates an enhanced productivity

value.

There is no specific web browser that you must have or install before using.

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2.3 WORKING ENVIRONMENT

Understanding PHP

DEFINITION:

PHP is a widely-used open source general-purpose scripting language that is especially suited for

web development and can be embedded into HTML. It is not platform independent. What

distinguishes PHP from something like client-side JavaScript is that the code is executed on the

server, generating HTML which is then sent to the client. The client would receive the results of

running that script, but would not know what the underlying code was. You can even configure

your web server to process all your HTML files with PHP, and then there's really no way that

users can tell what you have up your sleeve. The best things in using PHP are that it is extremely

simple for a newcomer, but offers many advanced features.Anything, PHP is mainly focused on

server-side scripting, so you can do anything any other CGI program can do, such as collect form

data, generate dynamic page content, or send and receive cookies. There are three main areas

where PHP scripts are used:

• Server-side scripting

• Command line scripting

• Writing desktop applications

2.4 MYSQL SERVER

SQL (Structured Query Language) is a computer language used to store, manipulate, and retrieve

data stored in databases. The first manifestation of SQL appeared in 1974, when a group in IBM

developed the first sample of a relational database. The first commercial relational database was

relesed by relational software.Standards for SQL exist. However, the SQL that can be used on

each one of the major RDBMS today is in different flavors.SQL is short for Structured Query

Language and is a widely used database language, providing means of data manipulation

(store,retrieve,update,delete) and database creation.Systems like MS SQL Server, Microsoft

Access, MSDE, Oracle, DB2, Sybase, MySQL, Postgres and Informix use SQL as standard

database language. Now a word of warning here, although all those RDBMS use SQL, they use

different SQL dialects.

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For example MS SQL Server specific version of the SQL is called T-SQL, Oracle version of

SQL is called PL/SQL, MS Access version of SQL is called JET SQL, etc.

Our SQL tutorial will teach you how to use commonly used SQL commands and you will be

able to apply most of the knowledge gathered from this SQL tutorial to any of the databases

above.This SQL tutorial site lists commonly-used SQL statements, and it covers the following

sections:

1.SQL Data Manipulation Language (DML)

2.SQL Data Defination Language (DDL)

Following are some of the features of MySQL Database:

Manageability

Backup and Recovery

High availability

Business Intelligence

Content Management

Security

Data integrity/Triggers

Information Integration Features

Accepting query language statement

Optimizing queries

Managing data sharing

Managing System catalogs

The MySQL is an open source relational database management system.It is based on the

structure query language(SQL),which is used for adding,removing and modifying information in

the database.Standard SQL commands such as add,drop,insert and update can be used with

MYSQL.MySQL can be used for a variety of applications, but is most commonly found on Web

servers. A website that uses MySQL may include Web pages that access information from a

database. These pages are often referred to as dynamic meaning the content of each page is

generated from a database as the page loads. Websites that use dynamic Web pages are often

referred to as database-driven websites.

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Many database-driven websites that use MySQL also use a Web scripting language like PHP to

access information from the database. MySQL commands can be incorporated into the PHP

code, allowing part or all of a Web page to be generated from database information. Because

both MySQL and PHP are both open source, the PHP/MySQL combination has become a

popular choice for database-driven websites.

2.5 SYSTEM REQUIREMENTS SPECIFICATIONSA software requirements specification (SRS) is a complete description of the system to be

developed. It includes a set of use cases that describes all of the interactions that the users will

have with the software. Use cases are also known as functional requirements. In addition to use

cases, the SRS also contains nonfunctional or supplementary requirements. Non-functional

requirements which impose constraints on the design or implementation such as performance

requirements, quality standards, or design constraints.In system engineering and software

engineering, requirements analysis encompasses those tasks that go into determining the

requirements of a new or altered system, taking account of the possibly conflicting requirements

of the various stakeholders, such as users. Requirements analysis is critical to the success of a

project. The document that contains all the requirements of the project is termed as “Software

Requirement Specification”.

a) Input Specifications:-Input specifications refer to the kind of the input that should be

given to the system.

Design of Input

Input generally refers to what data is given to system so the system can give best output to user.

Input design must be complete, efficient and effective so that we can provide user with desired

output, which he requires.

b) Output Specifications:Output specifications refer to the kind of the output that should be

received from the system.

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Design of Output

Output as you probably know generally refers to the results and information that are generated

by the system. For many end users, output is the main reason for developing the system and the

basis on which they will evaluate the usefulness of the application. Most end users will not

actually operate the information system or enter data through workstation, but they will use the

output from the system.The arrangement of information on a display or printed documented is

termed as layout. Accomplishing the general activities listed above will require specific

decision,such as whether to use preprinted forma when preparing reports and documents, how

many lines to plan on a printed page, or whether to user graphics and color.

The output design is specified on layout forms, sheets that describe the location, characteristics

and format of the column heading and pagination. As we indicated at the beginning of the

discussion these elements are analogous to an architect’s blue-print that show the location of

each component.

Technology Used:-

PHP

JavaScript

CSS

Database Used:-

MySQL SERVER

Solution Strategy:-

The strategy for the system involved studying about the system, stating the problem and

solutions to be provided, determining requirements, hardware, software etc. The team members

sat together, discussed the problem, studied the system, gathered information about the type of

data used in the system, the flow of data, understood the user’s requirements and determine how

to solve the problems. The team leader decided to use spiral model. After developing a simple

solution of the problem, a demo of the developed project is given to the user and according to his

requirements more functionality is added to the project.

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Acceptance Criteria:-

Acceptance criteria are the key to making sure our stories are done, and have as few bugs as

possible. When the criteria are weak, not complete, unclear or misunderstood, this can be the

root of a whole host of problems.Acceptance criteria are a critical point on which a team can

focus to improve results and delivery. Acceptance criteria can be implemented as automated

acceptance tests. The PO, the developers, and the QA people on the team should all be in

agreement that the acceptance tests do illustrate that the software works as desired.Acceptance

criteria can be a tricky bit, especially if the customer and the team don't have much experience at

generating and capturing them. I would definitely consider it a process smell if I saw a

continuing pattern of low quality acceptance criteria. thus the acceptance criteria play a vital role.

Really this can kill a project if left untended to fester on its own. From what I have seen on

several teams, we should all focus more time and effort on acceptance criteria gathering and then

automating it in the sprint as part of the criteria for done.

Feasibility Analysis

The next step in analysis is to verify the feasibility of the proposed system. "All projects are

feasible given unlimited resources and infinite time ". But in reality both resources and time are

scarce. Projects should conform to time bounds and should be optimal in three consumption of

resources. This places a constant on approval any project.

Purpose

The feasibility analysis is designed to determine whether or not, given the project environment, a

project will be successful (in virtually any interpretation of that word). A feasibility analysis may

be conducted for a project with an emphasis on financial viability, environmental integrity,

cultural acceptability, or political practicability. It is a determination as to the likelihood of

success and a description of how that determination was achieved.

Application

Feasibility analyses are used to present an approach or a series of alternatives and to offer

decision-making guidance based on the climate in which the project will evolve. They often

defend a single or primary approach, incorporating extensive forecasts on the project’s

development, as well as its evolution after implementation.

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Feasibility Study Areas:Feasibility as applied to our system pertains to the following areas:

Technical feasibility

Operational feasibility

Economic feasibility

Social feasibility

Management feasibility

Legal feasibility

Technical Feasibility:

Technical feasibility centers on the existing computer systems (hardware, software) to what

extent it can support the proposed addition. For example, if the current computer is operating at

80 percent capacity then running another application could overload the system or require

additional hardware. This involves financial considerations to accommodate technical

enhancements. If budget is a serious constraint, then the project is judged not feasible.In

examining technical feasibility, configuration of the system is given more importance than the

actual make of hardware. The configuration should give the complete picture about the system

requirements. What speeds of input and output should be achieved at particular quality of

printing. The team for developing Resource Tracker System is equipped with all the modern

facilities and the latest software. Therefore as far as the equipment and the software was

concerned there was no problem. Moreover the technical skills required to complete the project

were also present in the form of competent software professionals. Thus the project was

considered technically feasible.

Operation Feasibility:

It is mainly related to human organizational aspects. In this commonly their performed the

operations of each system.

Economic Feasibility:

Economic analysis is the most frequently used technique for evaluating the effectiveness of a

proposed system. More commonly known as cost/benefit analysis, the procedure is to determine

the benefits and saving that are expected from a proposed system and compare them with cost.

If benefits outweigh cost, a decision is taken to design and implement the system.

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Implementation:

Implementation is the stage where thetheoretical design is turned into a working

system.The most crucial stage in achieving a new successful system and in giving

confidence on the new system for the users that it will work efficiently and

effectively.The system can be implemented only after through testing is done and if it is found

to work according to the specification.It involves the careful planning ,investigtion of the current

system and its constraints on imlementation,design of methods to achieve the change over and an

evaluation of changeover methods a part from plannig.Two major tasks of preparing the

implementation are education and training of the users and testing of the system.The more

complex the system being implemented,the more involved will be the system analysis and design

effort required just for implementation.The implementation phase comprises of several

activities.The required hardware and software acquisition is carried out.The system may require

some software to be developed.For this,programs are written and tested.

TESTING:

The testng phase is an important part of software development.It is the process of

finding errors and missing operations and also a complete verification to determine

whether the objectives are met and the user requirements are stisfied.Software

testing is carried out in three steps:

1)Unit Testing:

In unit testing each module is tested to provide its correctness,validity and also

determine any missing operations and to verify whether the objectives have been

met.Errors are notedown and corrected immediately.Unit testing is the important

and major part of the project.So errors are rectified easily in particular module and

program clarity is increased.In this project entire system is divided into several

modules and is developed individually.So unit testing is conducted to individual

and to ve r i fy w he the r t he ob j e c t i ve s ha ve been m e t .E r ro r s a r e no t edow n

and co r r e c t ed i mme d ia t e ly .

2)Integration Testing:

In In t eg ra t i on t e s t i ng i s t he s o f tw a re w hose modu l e s w hen run

ind iv i dua l l y and s howi ng pe r f ec t r e s u l t s ,w i l l a l s o s how pe r f e c t r e su l t s

whe n run a s a w ho le .

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The i nd iv idua l modu l e s a r e c l i pped unde r t h i s ma j o r modu le and t e s t e d

aga i n and ve r i f i ed t he r e r e s u l t s .Th i s i s due t o poo r i n t e r f a c ing ,w h ic h ma y

r e s u l t a i n da t a be ing l o s t a c ro ss an i n t e r f ac e .A modu l e can have in

ade rve r t e t , a dve r s e e f f ec t on a ny o t he r o r on t he g l oba l da t a

s t r uc tu r e s , c aus i ng se r ious p rob lem s . The final step involves validation

andt e s t i n g w h i c h d e t e r m i n e s w h i c h t h e s o f t w a r e functions as the user

expected. Here also somemod i f i ca t i ons we re . I n t he c omple t ion o f t he project

it is satisfied fully by the end user.

Maintenance and Enhancement:

As the number o f c ompu te r ba s ed sy s t e ms ,g r i eve l i b r a r i e s o f com pu te r

so f t wa re began t o expand . In hous e deve loped p ro j ec t s p roduce d to ones o f

t hous and s o f t p rog ram sou rc e s t a t e men t s .S o f tw a re p roduc t s pu rchas ed

f rom the ou t s ide a dded hund reds o f t hous and o f new s t a t e men t s . F ou r t ypes

o f change s are encountered during the maintenance phase:

Correction:

Even with the best quality assurance activities is lightly that the customer will

uncover defects in the software.Corrective maintenance changes the software to

correct defects.Maintenance is a set of software engineering activities that occur

after software has been delievered to the customer and put into operation.Software

configuration management is a set of tracking and control activities that began when

a software project begins and terminates only when the software is taken out of the

operation.

Adaption:

Over time,the original environment for which the software was developed is likely

to change.Adaptive maintenance results in modification to the software to

accommodate change to its external environment.Over time, the original

environment.

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Enhancement:

As software is used,the customer and user will recignize additional functions that

will provide benefit.Perceptive maintenance extends the siftware beyond its original

function requirements.

Prevention:

Computer software deteriorates due to change,and because of this,preventive

maintenance often called software reengineering must be conducted to enable the

software to serve the needs of its end users.

3. PROJECT PLAN

Team Structure:-

The team structure was of hierarchical type. The authorities and delegations were divided in the

hierarchical way. It followed Top to Bottom approach. In this project there is one Project

Manager, one Technical Leader and one Senior Software Engineer. Seven trainees are allotted

for this project and project is progressed under the supervision of all the team members.

Figure 1: Team Structure

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Development Schedule:-

We are divided into one team. Each one has been assigned its own module, and in team we are

assigned sub modules to different members.

At first stage we are asked to analysis our sub module requirements.

Next step involve identifying entities involve in sub module assigned

Then we were asked to make our sub modules database as well as data flow diagrams.

The DFDs well as database designed by us were checked and modified by the experts.

Finally we were asked to design our database in MYSQL.

After designing our database we are ask to design front end in PHP.

After designing here arise the most critical phase that is coding.

3.1 EXTERNAL INTERFACE AND DATA FLOWS:

Data Flow Diagrams:

In the late 1970s data-flow diagrams were introduced and popularized for structured analysis and

design. DFDs show the flow of data from external entities into the system, showed how the data

moved from one process to another, as well as its logical storage. There are only four symbols:

Squares representing external entities, which are sources or destinations of data.

Rounded rectangles representing processes, which take data as input, do something to it.

Arrows representing the data flows, which can either, be electronic data or physical items.

Open-ended rectangles representing data stores, including electronic stores such as databases

There are several common modeling rules that I follow when creating DFD’s:

All processes must have at least one data flow in and one data flow out.

All processes should modify the incoming data, producing new forms of outgoing data.

Each data store must be involved with at least one data flow.

Each external entity must be involved with at least one data flow.

A data flow must be attached to at least one process.

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DESIGN OF SOLUTION:

Level 0 DFD

Figure 2: Level 0 DFD

Level 1 DFD

Figure 3: Level 1 DFD

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Technical resourceWith mutli solution User

Admin

User

Make new account

Result on given query

Request of information

Resource plan


3.2 ENTITY- RELATIONSHIP MODEL

An Entity-Relationship Model (ERM) is an abstract and conceptual representation of data.

Entity-relationship modeling is a database modeling method, used to produce a type of

conceptual schema or semantic data model of a system, often a relational database, and its

requirements in a top-down fashion.The entity-relationship model is a way of graphically

representing the logical relationships of entities in order to create a database. The ER model was

first proposed by Peter Pin-Shan Chen of Massachusetts Institute of Technology (MIT) in the

1970s.

In ER modeling, the structure for a database is portrayed as a diagram, called an entity-

relationship diagram , that resembles the graphical breakdown of a sentence into its grammatical

parts. Entities are rendered as points, polygons, circles, or ovals. Relationships are portrayed as

lines connecting the points, polygons, circles, or ovals. Any ER diagram has an equivalent

relational table, and any relational table has an equivalent ER diagram. ER diagramming is an

invaluable aid to engineers in the design, optimization, and debugging of database programs.

Entities and Entity Sets:

An entity is an object that exists and is distinguishable from other objects. For instance,

John Harris with S.I.N. 890-12-3456 is an entity, as he can be uniquely identified as one

particular person in the universe.

An entity may be concrete or abstract.

An entity set is a set of entities of the same type.

Entity sets need not be disjoint.

An entity is represented by a set of attributes.

Formally, an attribute is a function which maps an entity set into a domain.

a) Mapping Constraints:An E-R scheme may define constraints to which the contents of a

database must conform.

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Mapping Cardinalities: Express the number of entities to which another entity can be

associated via a relationship. For binary relationship sets between entity sets A and B, the

mapping cardinality must be one of:

1. One-to-one: An entity in A is associated with at most one entity in B, and an entity in B

is associated with at most one entity in A.

2. One-to-many: An entity in A is associated with any number in B. An entity in B is

associated with at most one entity in A.

3. Many-to-one: An entity in A is associated with at most one entity in B. An entity in B is

associated with any number in A.

4. Many-to-many: Entities in A and B are associated with any number from each other.

3.3 RELATIONS IN THE DATABASE FOR ABOUT.ME

The following are the relations we have designed to manage the database. Here we have

followed a convention of having the table names with tb as a prefix, and the remaining name of

the table represent the description of the data inside that table.

Table 1: List of tables

1)Tbaboutus

2)Tbadcm

3)Tbadmin

4)Tbadmin_login

5)Tbcse

6)Tbcus

7)Tbhardware_news

8)Tbit_latest

9)Tbit_news

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10)Tbit_news_comments

11)Tbit_old

12)Tblatests_software

13)Tbnews

14)Tb os

15)Tbsoftwares

16)Tbsugestions

17)Tbtechnew

18)Tbuserlogin

19)Tbuserquery

20)Tbycse

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3.4 TABLES WITH E-R DIAGRAMS

Table1.1: Tbadmin

Field Datatype Description

username Varchar(23)

password Varchar(33)

Figure 3: tbreg

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Table 1.2 : create a new account

id Int

Name varchar

Email varchar

Password varchar

Reenter password Varchar

DOB Varchar

Mobile no. Varchar

Security question Varchar

Your answer varchar

Figure 4:

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4.MODULES WITH SNAP SHOTS

4.1 Creating new database for Technical resources with multisolution:

It is the start up page of website.

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4.2 Structure of the database:

25


Here page is for the structure of the database which has been created having all the records.

4.3 Admin of the database:

26


Here shows the admin of the database.

4.4 Structure of the admin:

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It shows the structure of the database.

4.5 Register and login page :

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In this we have to register for a new account and open the registered account.

4.6 WampServer for project selection:

29


This shows the WampServer from where we select our project ONLINE CARD.

4.8 Index of /technical resources:

30


This shows the index of the technical resources with multi solutions

4.9 Home screen of the project OnlineStore:

31


This shows the home screen of the project and the related pages .

4.10 cs computer science page:

32


This is the first page of the computer science….

33


4.10sugestionbox:

This gives the information from user as feed back..

34


5.CONCLUSION:

The central concept of the application is to allow the custom to shop virtually using the internet

and allow customer to buy the cards of their desire.The information pertaining to the productsare

stores on an RDBMS at the server side.The server process the customers and the cards are

shipped to the address submitted by them.

The application was designed into two modules first Os for the customers who wish to buy the

articles.Second is for the storekeepers who maintains and updates the information pertaining to

the articles and those of the customers.

Data entry into the application can bed one through various screens designed for various levels

of users.Once the authorized personnel feed the relevant data into the system,several reports

could be generated aspect the requirements.This system offers information relevant to the user

accessing the application thus avoiding unnecessary overloading and at the same time

maintaining the security.

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6. Bibliography:

http://www.phpf1.com

http://www.php.net

http://www.google.com

http://www.shwetankeducation.com

Php Reference by Shwetank K Gupta

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http://www.shwetankeducation.com/

http://www.google.com/

http://www.php.net/

http://www.phpf1.com/

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