How to increase or decrease the maximum execution time of a php script ?What are the different ways to login to a remote server? Explain the means, advantages and disadvantages?How many ways I can redirect a PHP page?How do I find out the number of parameters passed into function ?How many ways I can register the variables into session? ~ Interview Questions & Answers

Tuesday, June 23, 2009

How to increase or decrease the maximum execution time of a php script ?

By default PHP script execution time is set for 30 seconds at php.ini file. This is the time limit set for all the files to finish its execution. If the file takes more than this set time then the execution of the script will be stopped and error message will be displayed like this. Fatal error: Maximum execution time of 30 seconds exceeded in C:\wamp\test.php on line 10 This maximum execution time limit is set inside the php.ini file like this. max_execution_time = 30 ; Maximum execution time of each script, in seconds We will use 'time...

Monday, June 22, 2009

What are the different ways to login to a remote server? Explain the means, advantages and disadvantages?

There is at least 3 ways to logon to a remote server: Use ssh or telnet if you concern with security You can also use rlogin to logon to a remote serv...

Friday, June 5, 2009

How many ways I can redirect a PHP page?

a. Header function in PHP redirects to a new URL Example: <?php header("Location: http://www.redirecturl.com/"); ?> b. http_redirect() is also used to redirect to a new page or URL. Syntax void http_redirect ( [string url [, array params [, bool session = FALSE [, int status]]]] ) Here, the URL is the path of the new page. params can be some query parameters followed by whether the session information needs to be passed and the custom response status co...

How do I find out the number of parameters passed into function ?

func_num_args() function returns the number of parameters passed ...

Wednesday, June 3, 2009

How many ways I can register the variables into session?

Global variables in PHP can be registered using the session_register() function. It accepts different number of arguments, any of which can be either a string holding the name of a variable or an array consisting of variable names or other arrays Example: Session_register(“simple”); $_session can also be used for registering variables. Example: $_SESSION['count'] =...