V diplomski nalogi smo predstavili funkcionalnosti in naredili primerjavo med petimi PHP ogrodiji: Zend, CakePHP, Codeigniter, Symfony in Seagull. Ogrodja smo uporabili pri izdelavi spletne aplikacije in jih primerjali glede na njihovo učinkovitost pri izdelavi spletnih aplikacij, zmoglivost in varnost spletnih aplikacij ter ustreznost njihove dokumentacije.In this thesis we presented the functionalities and made the comparison between the five PHP frameworks: Zend, CakePHP, Codeigniter, Symfony and Seagull.. Comparison is made regarding to the effectiveness in designing, performace and security of web applications and the adequacy of their documentation