Php introduction (1st lec)

• PHP is a server-side scripting language that is embedded with HTML
• PHP is used to manage dynamic content, databases, session tracking, and even build entire e-commerce sites
• PHP is integrated with popular databases such as MySQL, PostgreSQL, Oracle, Sybase, Informix, and Microsoft SQL Server
• PHP scripts are executed on the server
• PHP is a recursive acronym for "PHP: Hypertext Preprocessor"
• PHP Syntax is C-Like
• PHP is open source software
• PHP is a small open source project that evolved as more people found out how useful it was
• A PHP script can be placed anywhere in the document
• A PHP script starts with <?php and ends with ?>
• The default file extension for PHP files is ".php"
• Rasmus Lerdorf unleashed the first version of PHP in 1994
• Five important characteristics that make PHP's practical nature possible are:

  • Simplicity
  • Efficiency
  • Security
  • Flexibility
  • Familiarity
• Two servers commonly used with PHP are Apache and MySQL