Comparison of ORM frameworks for PHP

This study deals with a comparison of object relational mapping frameworks for PHP program language. On theoretical review, it describes the possibilities of mapping and available design patterns for mapping are presented. Basic principles of object oriented programming and relational databases are surveyed. For a comparison of tools, a model case of a library is suggested and implemented in chosen tools. Based on specified criteria, a comparison of selected frameworks is given. The main goal is to evaluate features of chosen frameworks, demonstrate their usage on the model case of a library and summarize the possibilities of object relational mapping on PHP platform