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What are the features and advantages of object-oriented The functions in this section perform encryption and decryption, and
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How can we encrypt the username and password using PHP? How can we encrypt and decrypt a data present in a MySQL table PHP is more faster that asp or any other scripting language. MySQL is world most popular open sourceĭatabase. Apache is a better server that IIS both inįunctionality and security.
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PHP) instead of combination of other software programs, servers andĪll of those are open source resource. What are the reasons for selecting lamp (Linux, apache, MySQL,
How we get IP address of client, previous reference page etc ?īy using $_SERVER,$_SERVER etc. A file,Ĭontaining one or more configuration directives, is placed in a particularĭocument directory, and the directives apply to that directory, and all htaccess files are configuration files of Apache Server which provideĪ way to make configuration changes on a per-directory basis. What is htaccess? Why do we use this and Where? Submit all information needed by paypal like amount,adresss etc. Nothing more we have to do only redirect to the payPal url after Suppose your Zend engine supports the mode Then how can uĬonfigure your PHP Zend engine to support mode ? Provide the PHP script file name as the command line argument. Just run the PHP CLI (Command Line Interface) program and How can I execute a PHP script using command line? It is important to notice that header() mustīe called before any actual output is seen. The header() function sends a raw HTTP header to a client.We can use herder()įunction for redirection of pages. What is use of header() function in php ? Retrievals always return an empty result) BLACKHOLE (The BLACKHOLE storage engine acts as a "black hole" that accepts data but throws it away and does not store it. CSV (The CSV storage engine stores data in text files using comma-separated values format.)ġ0.
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ARCHIVE (The ARCHIVE storage engine is used for storing large amounts of data without indexes in a very small footprint. FEDERATED (It is a storage engine that accesses data in tables of remote databases rather than in local tables. BDB tables may have a greater chance of surviving crashes and are also capable of COMMIT and ROLLBACK operations on transactions)ħ. This storage engine typically is called BDB for short. BDB (BerkeleyDB)(Sleepycat Software has provided MySQL with the Berkeley DB transactional storage engine. MEMORY is the preferred term, although HEAP remains supported for backward compatibility. Formerly, these were known as HEAP tables. Heap (MEMORY)(The MEMORY storage engine creates tables with contents that are stored in memory. InnoDB(InnoDB is a transaction-safe (ACID compliant) storage engine for MySQL that has commit, rollback, and crash-recovery capabilities to protect user data.)Ĥ. The files have names that begin with the table name and have an extension to indicate the file type. MyISAM(The default storage engine IN MYSQL Each MyISAM table is stored on disk in three files. What are the different tables(Engine) present in MySQL, which one is default?įollowing tables (Storage Engine) we can createġ. but it create a prob when xyz.php file contain some funtions declaration then error will come for already declared function in this file else not a prob like if you want to show same content two time in page then must incude it two time not a prob Yes we can use include("xyz.php") more than one time in any page. Ĭan we use include ("xyz.PHP") two times in a PHP page "index.PHP"? Include send Warning where as Require send Fatal Error. What are the differences between require and include?īoth include and require used to include a file but when included file not found We can create MySQL database with the use of How can we create a database using PHP and MySQL? How can we extract string ".in " from a string regular expression of PHP? Not in POST method so POST method is good for send sensetive request when we use GET method requested data show in url but GET Method have some limit like only 2Kb data able to send for requestīut in POST method unlimited data can we sendĢ. There are some defference between GET and POST methodġ. What are the differences between Get and post methods. Offsets (numbers are illegal property names). You can only access the data by the field names, and not by their
Mysql_fetch_object() is similar to mysql_fetch_array(), with one difference -Īn object is returned, instead of an array. What is the difference between mysql_fetch_object and In how many ways we can retrieve the data in the result set ofġ. Java script submit() function is used for submit form without submit button How can we submit a form without a submit button? Like $name=sonia and $$name=singh so $sonia value is singh. $name is variable where as $$name is reference variable What is the difference between $name and $$name? Rasmus Lerdorf is known as the father of PHP.
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