PHP Programming: Difference between revisions

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== Data Structures (refresher only) ==
== Data Structures (refresher only) ==
* Associative arrays
* Associative arrays
* Session variables, global variables, cookies
* Session variables, global variables, cookies
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== Security ==
== Security ==
* authorization and authentication
* authorization and authentication
* using cookies and sessions
* using cookies and sessions


== Dealing with Images ==
== Dealing with Images ==
GD Library and alternatives


GD Library and alternatives
== PHP XML ==
== PHP XML ==
* SimpleXML
* SimpleXML
* '''Expat''' Parser - event-based
* '''Expat''' Parser - event-based
Line 86: Line 83:


== Object-Oriented Programming ==
== Object-Oriented Programming ==
* Terminology Object
* Terminology Object
* Declaring classes and constructors
* Declaring classes and constructors
Line 96: Line 92:
* Declaring and using interfaces
* Declaring and using interfaces
* exception Handling
* exception Handling
* '''Examples and exercises'''
** ''localhost/ws_''
** ''localhost/wordpress''


== Using Databases ==
== Using Databases ==
* Methods of data storing
* Methods of data storing
* PDO extension
* PDO extension
Line 114: Line 112:
* modifying and removing data
* modifying and removing data
* binding form to records in the database
* binding form to records in the database
* '''Examples and exercises'''
** ''localhost/phpWay''
** ''localhost/ws_''
** ''localhost/wordpress''


== Programming interfaces ==
== Programming interfaces ==
* Architecture services
* Architecture services
* Adding to the system API
* Adding to the system API
Line 127: Line 128:


== Design Patterns ==
== Design Patterns ==
* What are design patterns
* What are design patterns
* Singleton Pattern
* Singleton Pattern
* Factory Pattern
* Factory Pattern
* MVC model-view-controller
* MVC model-view-controller
* '''Examples and exercises'''
** ''localhost/ws_''
** ''localhost/wordpress''
<!-- TODO: prep the OOP example with tdd, unit tests and docker; DAY2 -->


== Efficiency ==
== Efficiency ==
* Research applications performance
* Research applications performance
* Code cache
* Code cache


== Safety ==
== Safety ==
* Filtering input
* Filtering input
* Session fixation
* Session fixation
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== Stacks - lamp, wamp, etc ==
== Stacks - lamp, wamp, etc ==
* wordpress
* '''wordpress'''
** https://developer.wordpress.org/advanced-administration/before-install/development/
** <small>https://developer.wordpress.org/advanced-administration/before-install/development/</small>
* drupal
* '''drupal'''
** https://www.drupal.org/docs/official_docs/local-development-guide
** <small>https://www.drupal.org/docs/official_docs/local-development-guide</small>
* symfony
* '''symfony'''
** https://symfony.com/doc/current/setup.html
** <small>https://symfony.com/doc/current/setup.html</small>
* Laravel: A PHP framework known for its clean architecture and robust features, including database agnostic migrations, ORM, routing, and authentication tools.
* '''Laravel''': A PHP framework known for its clean architecture and robust features, including database agnostic migrations, ORM, routing, and authentication tools.
** https://laravel.com/docs/12.x#installing-php
** <small>https://laravel.com/docs/12.x#installing-php</small>
* Zend Framework: An open-source framework for developing web applications and services using PHP.
* '''Zend Framework''': An open-source framework for developing web applications and services using PHP.
** https://docs.laminas.dev/laminas-mvc/
** <small>https://docs.laminas.dev/laminas-mvc/</small>
* CakePHP: A PHP framework that offers a robust set of tools for web application development.
<!--
* '''CakePHP''': A PHP framework that offers a robust set of tools for web application development.
** todo
** todo
* PSX: A PHP framework dedicated to building fully typed REST APIs, offering a new approach to API development and challenging existing frameworks like Laravel and Symfony.
* '''PSX''': A PHP framework dedicated to building fully typed REST APIs, offering a new approach to API development and challenging existing frameworks like Laravel and Symfony.
** todo
** todo
* yannoff/console: A lightweight, simple alternative to symfony/console designed for easy PHP applications development.
* '''yannoff/console''': A lightweight, simple alternative to symfony/console designed for easy PHP applications development.
** todo
** todo
-->
=== wp ===
=== wp ===
* wp-env
* '''wp-env'''
** https://developer.wordpress.org/block-editor/reference-guides/packages/packages-env/
** <small>https://developer.wordpress.org/block-editor/reference-guides/packages/packages-env/</small>
* ddev
* '''ddev'''
** https://ddev.readthedocs.io/en/stable/users/quickstart/#wordpress
** <small>https://ddev.readthedocs.io/en/stable/users/quickstart/#wordpress</small>
* vvv
* '''vvv'''
** https://varyingvagrantvagrants.org/
** <small>https://varyingvagrantvagrants.org/</small>
* xampp
* '''xampp'''
** http://apachefriends.org/
** <small>http://apachefriends.org/</small>
* mamp
* '''mamp'''
** https://documentation.mamp.info/en/MAMP-Windows/index.html
** <small>https://documentation.mamp.info/en/MAMP-Windows/index.html</small>
* local
* '''local'''
** https://localwp.com/
** <small>https://localwp.com/</small>


=== wp con't ===
=== wp con't ===
wp api refs
wp '''API''' refs
* https://developer.wordpress.org/reference/
* <small>https://developer.wordpress.org/reference/</small>

Revision as of 08:28, 17 March 2025

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PHP Programming Training Materials

IMPORTANT NOTE for trainers only: 
Please DO NOT change these materials, especially the EXERCISES, without direct permission from: LUKASZ SOKOLOWSKI.

Intro

PHP

  • general-purpose scripting language
  • especially suited to web development
  • fast, flexible and pragmatic
  • powers everything from simple blog to the corporate organisations

Intro con't

PHP - recursive acronym for PHP: Hypertext Preprocessor

  • widely-used open source language
  • can be embedded into HTML
  • code is executed on the server, generating HTML which is then sent to the client
  • extremely simple, yet offers many advanced features

PHP can

  • collect form data
  • generate dynamic page content
  • send and receive cookies
  • so in general - server-side scripting
    • whats needed? - the PHP parser (CGI or server module), a web server, and a web browser
  • be used on all major operating systems
  • support most of the web servers (Apache, IIS, lighttpd, nginx, etc)
  • support talking to other services - LDAP, IMAP, SNMP, NNTP, POP3, HTTP, COM (on Windows)
  • work as either a module, or as a CGI processor
  • do procedural programming or object-oriented programming (OOP), or a mixture of them both

PHP can con't

  • also do command line scripting
    • run without any server or browser - only the PHP parser is needed
    • ideal for scripts regularly executed using cron (on Unix or macOS) or Task Scheduler (on Windows)
  • so ie. do simple/stronger text processing tasks - Perl regexps (PCRE), etc
  • output HTML, images, PDF, encrypted data, emails, JSON, XML (libxml2, SimpleXML, XMLReader, XMLWriter; XDebug)
    • auto generate these files, and save them in the file system, instead of printing it out, forming a server-side cache for dynamic content
  • support a wide range of databases
    • via db specific ext, or abstraction layers (like PDO), or ODBC, cURL, sockets (CouchDB)
  • support the WDDX complex data exchange
  • instantiate Java objects and use them transparently as own objects

Data Structures (refresher only)

Security

  • authorization and authentication
  • using cookies and sessions

Dealing with Images

GD Library and alternatives

PHP XML

Examples and exercises

  • localhost/ws_

Object-Oriented Programming

  • Terminology Object
  • Declaring classes and constructors
  • Creating and Using Objects
  • Properties and methods
  • Inheritance
  • Access modifiers
  • Magic methods
  • Declaring and using interfaces
  • exception Handling
  • Examples and exercises
    • localhost/ws_
    • localhost/wordpress

Using Databases

  • Methods of data storing
  • PDO extension
  • Connecting to a database using PDO
  • Operations on data
  • Error Handling PDO
  • Transactions
  • Primary keys
  • Joins
  • Aggregate functions and grouping
  • connect to the database
  • storing passwords
  • executing queries
  • processing data
  • modifying and removing data
  • binding form to records in the database
  • Examples and exercises
    • localhost/phpWay
    • localhost/ws_
    • localhost/wordpress

Programming interfaces

  • Architecture services
  • Adding to the system API
  • The data format JSON and XML
  • RESTful Services
  • Designing Web Service

Examples and exercises

Design Patterns

  • What are design patterns
  • Singleton Pattern
  • Factory Pattern
  • MVC model-view-controller
  • Examples and exercises
    • localhost/ws_
    • localhost/wordpress

Efficiency

  • Research applications performance
  • Code cache

Safety

  • Filtering input
  • Session fixation
  • Session hijacking
  • SQL injection
  • Storing passwords
  • SSL

Stacks - lamp, wamp, etc

wp

wp con't

wp API refs

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