Tag Archives: DROP

Php Interview Questions and Answers – Part 8

Php Interview Questions and Answers




Php Interview Questions and Answers – Part 8 1- Give the syntax of REVOKE commands? The generic syntax for revoke is as following REVOKE [rights] on [database] FROM [username@hostname] Now rights can be: a) ALL privileges b) Combination of CREATE, DROP, SELECT, INSERT, UPDATE and DELETE etc. We can grant rights on all database by using *.* or some specific database by database.* or a specific table by database.table_name. 2- What is the difference between CHAR and VARCHAR data types? […]

Php Interview Questions and Answers – Part 7

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This is the 7th part of Php Interview Questions and Answers. 1- How can we destroy the session, how can we unset the variable of a session? session_unregister() – Unregister a global variable from the current session session_unset() – Free all session variables 2- What are the different functions in sorting an array? Sorting functions in PHP: asort() arsort() ksort() krsort() uksort() sort() natsort() rsort() 3- How can we know the count/number of elements of an array? 2 ways: a) sizeof($array) […]

PHP Interview Questions and Answers – Part 4

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1- What is the difference between ereg_replace() and eregi_replace()? eregi_replace() function is identical to ereg_replace() except that it ignores case distinction when matching alphabetic characters. 2- How do I find out the number of parameters passed into function9. ? func_num_args() function returns the number of parameters passed in. 3- If the variable $a is equal to 5 and variable $b is equal to character a, what’s the value of $$b? 100, it’s a reference to existing variable. 4- How To […]