Interview Questions and Answers

21.What is the purpose of _METHOD_ constant? _METHOD_ − The class method name. (Added in PHP 5.0.0) The method name is returned as it was declared (case-sensitive).

11.What are the rules for determine the “truth” of any value not already of the Boolean type? Here are the rules for determine the “truth” of any value not already …

1.What is PHP? PHP is a recursive acronym for “PHP: Hypertext Preprocessor”. PHP is a server side scripting language that is embedded in HTML. It is used to manage dynamic …

41.How will you convert a string to a set in python? set(s) − Converts s to a set.

31.How will you get all the keys from the dictionary? Using dictionary.keys() function, we can get all the keys from the dictionary object. print dict.keys() # Prints all the keys

21.What are tuples in Python? A tuple is another sequence data type that is similar to the list. A tuple consists of a number of values separated by commas. Unlike …

11.What is the output of print str[2:5] if str = ‘Hello World!’? It will print characters starting from 3rd to 5th. Output would be llo.

1.What is Python? Python is a high-level, interpreted, interactive and object-oriented scripting language. Python is designed to be highly readable. It uses English keywords frequently where as other languages use …

41.How will you add an element to a hash? Adding a new key/value pair can be done with one line of code using simple assignment operator. #!/usr/bin/perl %data = (‘John …

31.How will you convert an array to string? join() function joins the separate strings of LIST into a single string with fields separated by the value of EXPR, and returns …