Before Applying job posting in any websites or recruiting agencies or sending resumes to job recruiters or any other employment website you need to improve your skills on general knowledge, Aptitude, Puzzles, logical reasoning, general english, database, programming as per your job profile. Job recruiters or mostly preferring job candidates who are having more stuff in those categories mentioned above. So improving more skills on your job profile always boost up your career and your performance. Even hiring companies and job recruiters who are looking for many job posting websites actually they are looking and filtering on these activities. In these php section you need to update more questions to perform well in front of job recruiters and companies. php Interview questions are most important to score in interview, Update all questions to score well in all rounds in job interview.

Php interview questions and answers

36)
What is include_once() ?

The include_once() statement includes and evaluates the specified file during the execution of the script. This is a behavior similar to the include() statement, with the only difference being that if the code from a file has already been included, it will not be included again.

37)
Define $_GET Variable ?

The $_GET variable is used to collect values from a form with method="get". The $_GET variable is an array of variable names and values sent by the HTTP GET method. The $_GET variable is used to collect values from a form with method="get". Information sent from a form with the GET method is visible to everyone.

38)
Define $_POST Variable ?

The $_POST variable is used to collect values from a form with method="post". The $_POST variable is an array of variable names and values sent by the HTTP POST method. The $_POST variable is used to collect values from a form with method="post". Information sent from a form with the POST method is invisible to others and has no limits on the amount of information to send.

39)
Define $_REQUEST Variable ?

The PHP $_REQUEST variable contains the contents of both $_GET, $_POST, and $_COOKIE. The PHP $_REQUEST variable can be used to get the result from data sent with both the GET and POST methods.

40)
What is FILTER ?

PHP filters are used to validate and filter data coming from insecure sources, like user input. Almost all web applications depend on external input. By using filters you can be sure your application gets the correct input type.