php basics
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PHP is a scripting language used to create dynamic web pages. It allows web developers to quickly write dynamically generated pages. To work with PHP, packages like Apache, PHP, and MySQL need to be downloaded and installed. These packages together are called LAMP (Linux) or WAMP (Windows). PHP basics include syntax, operators, variables, strings, and arrays. It also supports flow control and looping. PHP can connect to databases and handle file uploads. Its simplicity makes it appealing for beginners to create web applications using its built-in functions.
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Php1poornima sugumaran PHP is a server-side scripting language commonly used for web development. It is free, open source, and can interface with many databases. PHP code is executed on the server and plain HTML is sent to the browser. Variables, comments, and basic syntax follow standard rules. The php.ini configuration file controls PHP behavior and settings.
Day1
Day1IRWAA LLC The document provides an agenda for a one day PHP workshop. The agenda includes an introduction to PHP, instructions on how to install PHP, and an example getting started with PHP. Some key topics that will be covered are PHP basics like variables, arrays, loops, and functions. The workshop aims to get participants up and running with PHP from start to finish in a single day.
Php
PhpShagufta shaheen PHP is a widely used open source scripting language that can be embedded into HTML. PHP code is executed on the server and outputs HTML that is sent to the browser. PHP is free to download and use and can be used to create dynamic web page content, connect to databases, send and receive cookies, and more. Some key things needed to use PHP include a web server with PHP support, PHP files with a .php extension, and PHP code delimited by <?php ?> tags.
Winter%200405%20-%20Beginning%20PHP
Winter%200405%20-%20Beginning%20PHPtutorialsruby This document provides an introduction to PHP with 8 sections: 1) PHP stands for Hypertext Preprocessor and is a scripting language; 2) PHP can be used on Stanford servers or free web hosts but functionality may be limited; 3) A "Hello World" example is presented using print() to output text; 4) Syntax guidelines are outlined including file saving, comments, and case sensitivity; 5) Conditional statements like if/else are demonstrated; 6) Variables are introduced and basic math operations shown; 7) Forms processing with GET and POST variables is explained; 8) Further PHP topics are mentioned like cookies, games, and data parsing.
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- 1. "PHP Hypertext Preprocessor" BYNIRMAL FELIX. K……………………………………………………………………
- 2. Introduction to PHPPHP standing for Personal Home Page/Form Interpreter
- 3. HTML embedded scripting language used to create dynamic Web pages.
- 4. IN 1994, the language was designed
- 5. The goal of the language is to allow Web developers to write dynamically generated pages quickly.PHP Functions
- 6. Working with PHPTo work PHP in our system we must download the following packages.The first step is to download the packages: • Apache : http://httpd.apache.org/• PHP : http://www.php.net/• MySQL :www.mysql.com
- 7. Introduction to LAMP and WAMPThese packages are called as LAMP (Linux, Apache, My SQL, PHP) for Linux operating system.
- 8. WAMP (Windows, Apache, My SQL, PHP ) for windows operating system.
- 9. Then install and configure these packagesGetting Started with PHPIf you choose PHP as your development language, what you need to get started depends on: • Sound knowledge of HTML. • Working knowledge of JavaScript(optional) • Sound Knowledge of SQL • Access to a web server that have Apache, My SQL and PHP configured and installed on your machine.
- 10. To check weather WAMP OR XAMPP is working enter http://localhost/xampp/ in your Web browser. The page will displayed as given below:
- 11. PHP Basics PHP Syntax:<? php écho 'Hello PHP'; ?>The nomenclature <? Php?> That makes the web server passes this portion of code to your PHP module
- 12. Note also the built-in PHP "echo" that enables printing to the screen
- 13. PHP can also be "mixed" in the HTML, which is convenient but not recommended PHP OperatorsThe most common PHP operators are assignment operators
- 17. logical operators. PHP Variables A variable in PHP is always preceded by the dollar sign: $So to declare a variable we can write: $ myVar = 'value';Note that the semicolon at the end is required at the end of each statement
- 18. PHP String A string variable is used to store and manipulatea piece of text.To declare a string we can write:<?php $text_str= “Hello World!”; echo “$text_str” ; ?>
- 19. PHP Arrays By providing the values as arguments to the array() function: <?php $citylist = array("Noida", "Delhi", "Raipur", "Ambikapur", "Bhagalpur");?>
- 20. PHP Flow control and looping If-else
- 21. Switch-case
- 22. For loop
- 23. While loop
- 24. Do-while loop
- 25. Foreach loopWorking with File System & I/O Working with Files Opening a file :Syntax to open a file: $my_file=fopen(“file name”, “mode constant”); Closing a file :syntax to close a file: fclose(file_pointer);
- 26. Working with Database Creating a Connection using mysql: In PHP, mysql_connect() function is used to connect to database .Syntax of mysql_connect: $con=mysql_connect(“localhost/ip”, “user_name”, “password”);
- 27. Various PHP functions : Error Handling
- 31. Used in email sessions Conclusion: Simplicity. For people new to programming, this is frequently the strongest appeal.Even those with little or no programming experience can quickly get up to speed and begin creating full-fledged applications.Because it was specifically designed for creating web applications.PHP has a host of built-in functions to handle common needs .THANK “U”