PHP interview Question And Answer
Q:-61. What are the encryption functions in PHP?
crypt() function and md5()function.
Q:-62. Why used namespaces?
Namespace is used to avoid naming clashes across different parts of an application, or between application libraries.
Q:-63. What is Objects?
An object is a specific instance of a class. For more detail visit : PHP 5 tutorial
Q:-64. Does MYSQL supports trigger?
In MYSQL, Triggers gets supported after MYSQL 5.0.2.
Q:-65. What is the difference between mysql_connect and mysql_pconnect?
mysql_connect opens up a database connection every times a page is loaded while mysql_pconnect opens up a connection, and keeps it open across multiple requests. mysql_pconnect uses less resources while mysql_connect more resources than mysql_pconnect.
Q:-66. What is Trigger?
A trigger is a database object which is associated with particular database table. Trigger gets called automatically when particular event (insert, delete, update) Occurs on table.