The Top PHP Interview Questions blog is segmented into three divisions: Q5. HTTP (hyper text transfer protocol) is a stateless protocol. An exception that interrupts the script while running is called a runtime exception. Can sessions work without cookies? We use the operator '==' to test is two objects are instanced from the same class and have same attributes and equal values. This is used to initialize the variables for the particular object in consideration. If the client browser does not support cookies, the unique php session id is displayed in the URL; Sessions have the capacity to store relatively large data compared to cookies. 'final' is introduced in PHP5. 82) What is the differences between $a != $b and $a !== $b? require(), and require_once() perform the same task except that the second function checks if the PHP script is already included or not before executing it. There are four basic steps that are used to create a new MySQL database in PHP. To be able to display the output directly to … Q : What are Cookies in ASP.NET? It is very easy to implement. Magic methods are member functions that are available to all the instances of a class. All magic methods need to be declared as public. They do not require the PHP syntax of starting with the conventional $ sign. 75) How can we change the maximum size of the files to be uploaded? An interface is a contract to provide the implementation of different … 3600 sec. Type hinting is used in PHP when there is a requirement to explicitly define the data type of an argument when passing it through a function. If so, how does a session work without cookies enabled in PHP? How are constants defined in PHP? gather data from files, save data to a file, thru email you can send data, return data to the user. On the OnClick event of a label in the form, a JavaScript function can be called to submit the form. Just use the PHP command line interface (CLI) and specify the file name of the script to be executed as follows: 7) How to run the interactive PHP shell from the command line interface? To use a method, it should be defined within the class or the program scope. 30) How be the result set of Mysql handled in PHP? mysql_pconnect() ensure a persistent connection to the database, it means that the connection does not close when the PHP script ends. 94) What are the three classes of errors that can occur in PHP? A file, containing one or more configuration directives, is placed in a particular document directory; the directives apply to that directory and all subdirectories thereof. One way would be to place a cookie in the user’s browser; on every request the cookie is sent server-side, where PHP can be used to determine which information is sent back and displayed to the client. If the directive session.cookie_lifetime is set to 3600, the cookie will live until.. answer choices . Next up on these core PHP interview questions, you need to know the difference between an indexed and an associative array. Form handling, alongside features that involve file handling concepts and email integration, is used widely. Single-line comments can be used using the conventional ‘#’ sign. In the case of opening a file, the fopen() function is used. Here, red is at index 0, green at 1, and blue at 2. Yes, it's possible to integrate (Distributed) Component Object Model components ((D)COM) in PHP scripts which is provided as a framework. PHP is a web language based on scripts that allow developers to dynamically create generated web pages. Next up on these PHP interview questions for freshers, you need to understand what PEAR is. It is possible to use the dedicated function, ctype_alnum to check whether it is an alphanumeric value or not. PHP scripts have the ability to generate HTML mode and move around information very easily. Really useful tips especially for entry level. The purpose of PEAR is to provide: The soundex() function calculates the soundex key of a string. mysqli_affected_rows() return the number of entries affected by an SQL query. With that in mind, these PHP interview questions are carefully curated with the questions that have the highest probability of occurrence in interviews to help you ace it and land the job. Yes, PHP supports the use of variable length argument functions. PEAR stands for PHP Extension and Application Repository. A metaphone key represents how a string sounds if it is pronounced by an English (native) person. When the original if was followed by: and then the code block without braces. Temporary session and cookies interview questions in php are erased if we want to check whether it is stopped information from the current PHP?! ” is alive for the particular object in it is widely used concepts that PHP offers: the to! 100 ) is it possible to pass parameters when creating a new session creates the with! 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