Validating input php

Test cases may be prepared for software verification and software validation to determine if the product was built according to the requirements of the user.Other methods, such as reviews, may be used early in the life cycle to provide for software validation.

In other words, software verification ensures that the output of each phase of the software development process effectively carry out what its corresponding input artifact specifies (requirement - software product), while software validation ensures that the software product meets the needs of all the stakeholders (therefore, the requirement specification was correctly and accurately expressed in the first place).If the output of a process is incorrect, the developers are not building the product the stakeholders want correctly.This kind of verification is called "artifact or specification verification"." On the other hand, software validation is: "Was X what we should have built? " Building the right product implies creating a Requirements Specification that contains the needs and goals of the stakeholders of the software product.If such artifact is incomplete or wrong, the developers will not be able to build the product the stakeholders want.

In software project management, software testing, and software engineering, verification and validation (V&V) is the process of checking that a software system meets specifications and that it fulfills its intended purpose.

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Validating input php introduction

Validating input php

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