PHP interview questions and answers for freshers

Get 59 PHP Questions with answers on - http://www.ubfact.com/education/php-interview-questions-and-answers-for-freshers

Welcome !!!. In this section we are providing you some frequently asked PHP Interview Questions which will help you to win interview session easily. Candidates must read this section,Then by heart the questions and answers. Also, review sample answers and advice on how to answer these typical interview questions. PHP is an important part of the web world, and every web developer should have the basic knowledge in PHP.Common PHP interview questions, which should help you become a best PHP codder. We hope you find these questions useful. If you are an interviewer, Take the time to read the common interview questions you will most likely be asked.

1. What is PHP?
   PHP is a server side scripting language commonly used for web applications. PHP has many frameworks and cms for creating websites.Even a non technical person can cretae sites using its CMS.WordPress,osCommerce are the famus CMS of php.It is also an object oriented programming language like java,C-sharp etc.It is very eazy for learning
2. What is the use of “echo” in php?
   It is used to print a data in the webpage, Example: <?php echo ‘Car insurance'; ?> , The following code print the text in the webpage
3. How to include a file to a php page?
   We can include a file using “include() ” or “require()” function with file path as its parameter.
4. What’s the difference between include and require?
   If the file is not found by require(), it will cause a fatal error and halt the execution of the script. If the file is not found by include(), a warning will be issued, but execution will continue.
5. require_once(), require(), include().What is difference between them?
   require() includes and evaluates a specific file, while require_once() does that only if it has not been included before (on the same page). So, require_once() is recommended to use when you want to include a file where you have a lot of functions for example. This way you make sure you don’t include the file more times and you will not get the “function re-declared” error.
6. Differences between GET and POST methods ?
   We can send 1024 bytes using GET method but POST method can transfer large amount of data and POST is the secure method than GET method .
7. How to declare an array in php?
   Eg : var $arr = array(‘apple’, ‘grape’, ‘lemon’);
8. What is the use of ‘print’ in php?
   This is not actually a real function, It is a language construct. So you can use with out parentheses with its argument list.
   Example print(‘PHP Interview questions’);
   print ‘Job Interview ‘);
9. What is use of in_array() function in php ?
   in_array used to checks if a value exists in an array
10. What is use of count() function in php ?
    count() is used to count all elements in an array, or something in an object

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Source :-  http://www.ubfact.com/education/php-interview-questions-and-answers-for-freshers