Web Development ➔ Jnr PHP/Codeigniter Developer Job Interview Questions and Answers

Jnr PHP/Codeigniter Developer interview preparation guide for freshers and experienced professionals. Explore these number of Jnr PHP/Codeigniter Developer frequently asked questions(FAQs) extracted from many job interviews

★ Tell me what Is a Persistent Cookie?
★ Tell me do you use Composer? If yes, what benefits have you found in it?
★ Tell me does PHP support multiple inheritance?
★ Do you know what is Polymorphism?
★ Tell us can you send an Ajax request to another domain?
★ Explain me what’s the difference between unset() and unlink()?
★ Tell me will comparison of string "10" and integer 11 work in PHP?
★ Tell us can you extend a Final defined class?
★ Explain me what is the difference between the functions unlink and unset?
★ Tell me what is Memcache?
★ Tell me what’s the difference between the include() and require() functions?
★ Explain me what’s the full form of PHP?
★ List out different types of the hook point in Codeigniter?
★ Explain how can we get the browser properties using PHP?
★ Explain me in PHP what is the difference between a Class and an Interface?
★ What is routing in Codeigniter?
★ Tell me how you can extend the class in Codeigniter?
★ Tell us what are the __construct() and __destruct() methods in a PHP class?
★ Tell me the different types of errors in PHP?
★ Tell me what are the 3 scope levels available in PHP and how would you define them?
★ Tell me how you can link images/CSS/JavaScript from a view in code igniter?
★ Explain echo vs. print statement?
★ Tell me what are PSRs? Choose 1 and briefly describe it?
★ Tell me what are the main error types in PHP and how do they differ?
★ Tell me how you can prevent CodeIgniter from CSRF?
★ Tell me why is there a need to configure the URL routes?
★ Tell me how we can get the number of elements in an array?
★ Tell me what does a special set of tags <?=$variable ?> do in PHP?
★ Do you know what are the popular frameworks in PHP?
★ What is the PHP split() function?
★ Tell me what does MVC stand for and what does each component do?
★ Explain me what are Traits?
★ Explain me what is the default URL pattern used in Codeigniter framework?
★ Tell me how you will load or add a model in CodeIgniter?
★ Who is the Rasmus Lerdorf?
★ Tell us what are the popular Content Management Systems (CMS) in PHP?
★ Tell me what does break 2 / continue 2 do?
★ Tell me what are hooks in CodeIgniter?
★ Do you know what is the difference between GET and POST?
★ Tell me the value of the variable input is a string 1,2,3,4,5,6,7.   How would you get the sum of the integers contained inside input?
★ Tell me why would you use === instead of ==?
★ Do you know in a PHP class, what are the three visibility keywords of a property or method?
★ Tell me what do you mean by having PHP as whitespace insensitive?
★ Explain me the differences in comparison of variable values?
★ Tell me what is the difference between $var and $$var?
★ Tell me can you use include ("abc.php") two or more times?
★ Do you know what PSR Standards do you follow? Why would you follow a PSR standard?
★ Explain me what are getters and setters and why are they important?
★ Do you know how can we get the IP address of the client?
★ Please explain what are the security parameter for XSS in CodeIgniter?
★ Do you know what is CodeIgniter?
★ Please explain what is the main problem in comparison of floating point numbers?
★ Tell me are objects in PHP 5+ passed by value or reference?
★ Tell us how do you create a persistent cookie in php?
★ Explain me what do you call the constructor of a parent class?
★ Do you know what are SQL Injections, how do you prevent them and what are the best practices?
★ Explain me how would you declare a function that receives one parameter name hello?
★ Do you know how can you enable error reporting in PHP?
★ Tell me how you can enable CSRF (Cross Site Request Forgery) in CodeIgniter?
★ Do you know what is inhibitor in CodeIgniter?
★ Tell us what helpers in CodeIgniter are and how you can load a helper file?

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