Hackers use injections to obtain unauthorized access to the underlying data, structure, and DBMS. It accepts no arguments and does not need to return anything. The zero indicates at the beginning of a number as an octal number in PHP, so the number 012 evaluates to the decimal number 10 instead to decimal 12. metaphone() the metaphone() function calculates the metaphone key of a string. 46) what is the static variable in function useful for? soundex() function calculates the soundex key of a string. Answer # It may surprise you to learn that JavaScript and jQuery are actually the same thing.
Individual objects are grouped into classes. Thank you. get_browser() function is used to retrieve the client browser details in PHP. There’s also a huge difference in the syntax. To be able to pass a variable by reference, we use an ampersand in front of it, as follows $var1 = &$var2. Parameters are not saved in browser history. If you're looking for PHP Interview Questions for Experienced or Freshers, you are at right place. If it is TRUE, the loop continues, and the statements inside for are executed. 'final' is introduced in PHP5. 90) what is the difference between for and foreach? Make sure you practice as much as possible and revert your experience.
Unlike a cookie, the information is not stored on the users computer. The catch block basically catches the exception. 49) What is the most convenient hashing method to be used to hash passwords? It is clear from the name SHA256 that the length is of 256 bits long. If a variable is already unset with unset() function, it will no longer be set. Question # 113) What is the difference between == and === in PHP?
Introduction to Atom Python Text Editor and how to configure it. 88) How can we determine whether a variable is set? It has a number of methods that are common the objects present within that class. Answer # The include_once statement includes and evaluates the specified file during the execution of the script. the server (PHP) uses that cookie, containing the session_id, to know which file corresponds to that user. Answer # A closure is an object representation of an anonymous function. 78) What does the scope of variables mean? It accepts two arguments: the name of the called method and an array of arguments. cookie stores data in your browser and a session is stored on the server. It simply deletes the file given as entry. Question # 53) What is the difference between $message and $$message in PHP? PHP means PHP: Hypertext Preprocessor. 12) What is the meaning of a final class and a final method? The function eregi_replace() is identical to the function ereg_replace() except that it ignores case distinction when matching alphabetic characters. In Oracle, the table has a single VARCHAR2(1) column called DUMMY that has a value of ‘X’. 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, and include_once returns TRUE . Traits in PHP are similar to Abstract classes that are not be instantiated on its own. The basic functions for displaying output in PHP are as follows: In PHP, one can specify two different submission methods for a form.
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