Php interview questions ebook free download

By default the maximum size of a file that can be uploaded is 2MB. By default the maximum execution time of a PHP script is 30sec. If you want to change the following setup go inside php. It returns the session id for the current session.

The submit function is used to submit form. Who is the father of PHP? What is the difference between unlink and unset function? How can we get the properties of browswer? What is the maximum filesize that can be uploaded in PHP and how can we increase it? When you are going for interview these below questions and answers are must for every one. You can also enjoy free PDF to download with.

It returns True — when the operation complete successfully or false — if operation is not completed. It does not produce any error. Initializing first and second number as 0 and 1. So third number will be the sum of the first two numbers.

References makes it possible for two variables to refer to the same content. In other words, a variable points to its content rather than becoming that content. Passing by reference allows two variables to point to the same content under different names.

Also find out more Interview and Questions for getting regular information now! Tags: basic php interview questions and answers for freshers core php interview questions and answers for 1 year experience core php interview questions and answers for freshers pdf general php interview questions interview questions and answers on php 5 for freshers logical programming interview questions in php php array interview questions and answers php basic interview questions php interview questions php interview questions php interview questions and answers for 1 year experience pdf php interview questions and answers for 1 year experience pdf free download php interview questions and answers for 2 year experience php interview questions and answers for beginners php interview questions and answers for freshers pdf free download php programming interview questions and answers for freshers php programming interview questions pdf php viva questions and answers pdf php5 interview questions pdf.

April 24, June 20, July 31, What is PHP? PHP is server side scripting language. Will comparison of string "10" and integer 11 work in PHP?

Answer: Yes, internally PHP will cast everything to the integer type, so numbers 10 and 11 will be compared. When are you supposed to use endif to end the conditional statement? Answer: When the original if was followed by : and then the code block without braces.

Explain the ternary conditional operator in PHP? Answer: Expression preceding the? How do I find out the number of parameters passed into function in PHP? Answer: In PHP, :: is allowed to access methods that can perform static operations, i. Are objects passed by value or by reference? Answer: Everything is passed by value.

How do you call a constructor for a parent class? Would you initialize your strings with single quotes or double quotes in PHP? Answer: Since the data inside the single-quoted string is not parsed for variable substitution, it"s always a better idea speed-wise to initialize a string with single quotes, unless you specifically need variable substitution.

I am writing an application in PHP that outputs a printable version of driving directions. It contains some long sentences, and I am a neat freak, and would like to make sure that no line exceeds 50 characters. How do I accomplish that with PHP? What"s the output of the ucwords function in the example below? To avoid this, and get a properly formatted string, it"s worth using strtolower first.