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PHP: Hypertext Preprocessor

This detailed overview covers the evolution of PHP from its inception by Rasmus Lerdorf in 1995 through major milestones like PHP 3 and the Zend Engine. Explore frameworks such as Yii, CodeIgniter, and Symfony, alongside libraries like PEAR. Learn about advanced concepts in object-oriented PHP, including user-level overloading, sessions, and cookies. With practical examples of PHP CLI, database interactions, and future developments like PHP 6 and Unicode support, this resource is perfect for both beginners and advanced developers seeking to enhance their PHP skills.

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PHP: Hypertext Preprocessor

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  1. PHP: Hypertext Preprocessor Stephen Corcoran April 9, 2013

  2. Overview • History • Frameworks & Libraries • Object-Oriented PHP • Advance Techniques & Classes • Future • Demo • Questions?

  3. History • RasmusLerdorf • CGI Scripts in Perl • Rewritten in C for better performance • PHP/FI & PHPTools • 1995 Release date

  4. History • AndiGutmans & ZeevSuraski • 1997 PHP 3 • 1999 Zend Engine • 2000 PHP 4

  5. Frameworks • Yii • CodeIgniter • CakePHP • Zend • Symfony

  6. Frameworks • http://phpassist.com/ • http://fuelphp.com/ • http://ucf.github.io/fuelphp-crash-course/

  7. Package & Libraries • Pear • PHP Extension and Application Repository • http://pear.php.net/ • Web forms, form validation, xml parsers • cURL • Client URLs • libcurl (http://curl.haxx.se/libcurl/) • http, https, ftp, telnet, ldap

  8. Object-Oriented • Variable declaration • Object Cloning • User-Level Overloading • Typecasting

  9. Variables • Constants • Define • Global

  10. Constants

  11. Define

  12. Global

  13. Object Cloning • http://pastie.org/private/gtpmhllr0c3hw71x4d0ea

  14. Object Cloning

  15. User-level Overloading • __get() • Utilized for reading data from inaccessible properties • __set() • Utilized for writing data to inaccessible properties • __call() • __callStatic() • __construct() • __destruct() • http://php.net/manual/en/language.oop5.overloading.php

  16. Typecasting • settype() • gettype()

  17. Advanced Techniques & Classes • PHP CLI • SSH • Mail • Sessions & Cookies

  18. PHP CLI • #!/usr/bin/php • Scheduled/ing tasks • Multithreading • Stdin, Stdout, stderr

  19. PHP CLI

  20. SSH • ssh2_connect() • ssh2_execute() • ssh2_fingerprint() • ssh2_auth_password(), pubkey_file(), none() • ssh2_tunnel() • ssh2_mkdir(), rmdir(), chmod(), unlink()

  21. SSH • http://pastie.org/private/t3jbv3dqllqa0hjqyssdaw

  22. Mail • mail($to, $subject, $message, $headers) • $to -> user@domain • $subject -> ‘Subject’ • $message -> ‘Message body’ • $headers -> From, BCC, CC, Reply-To

  23. Mail

  24. Sessions • start_session() • session_destroy() • $_SESSION[]

  25. Sessions

  26. Cookies • setcookie( • name -> name of the cookie • value -> value of cookie ($_COOKIE[‘name’]) • expire -> when cookie expires • (time() + 60 * 60 * 24 * 30) • path -> path of where the cookie is available • domain -> The domain that the cookie is available to • secure -> true or false for https • httponly -> When true the cookie can only be accessed and used through http )

  27. Cookies

  28. Databases & PDO • Oracle • MySQL • SQLite • MS SQL • More…

  29. Databases & PDO • PDO -> PHP Data Object • Data-access abstraction layer • http://php.net/manual/en/book.pdo.php

  30. Databases & PDO

  31. Future • PHP 6 • Unicode support • Enhanced array indexing • Performance • Break to labels

  32. Demos & Examples • http://cretz.github.com/dust-php/ • http://www.razorflow.com/ • http://www.php-compiler.net/

  33. Questions?

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