This document provides an overview of PHP and MySQL. It defines PHP as a scripting language commonly used on web servers. It then covers basic PHP syntax, variables, arrays, decision making and loops. It also discusses how to connect PHP to MySQL databases, create tables, insert and update data. Finally, it briefly mentions some PHP frameworks like CodeIgniter and CakePHP.
Correctly understanding the eight data types in PHP is essential to a solid foundation in development. Come refresh your knowledge of the scalar types, compound types, and special data types used in PHP, and learn about proper usage of each. Review type juggling, learn some common data type traps to avoid, and how to code defensively to prevent having the data type of a variable change unexpectedly. Finally learn how unit tests can help verify that code is handling data types correctly.
All variables in PHP start with a $ (dollar) sign followed by the name of the variable.
A valid variable name starts with a letter (A-Z, a-z) or underscore (_), followed by any number of letters, numbers, or underscores.
If a variable name is more than one word, it can be separated with underscore (for example $employee_code instead of $employeecode).
'$' is a special variable that can not be assigned.
Correctly understanding the eight data types in PHP is essential to a solid foundation in development. Come refresh your knowledge of the scalar types, compound types, and special data types used in PHP, and learn about proper usage of each. Review type juggling, learn some common data type traps to avoid, and how to code defensively to prevent having the data type of a variable change unexpectedly. Finally learn how unit tests can help verify that code is handling data types correctly.
All variables in PHP start with a $ (dollar) sign followed by the name of the variable.
A valid variable name starts with a letter (A-Z, a-z) or underscore (_), followed by any number of letters, numbers, or underscores.
If a variable name is more than one word, it can be separated with underscore (for example $employee_code instead of $employeecode).
'$' is a special variable that can not be assigned.
Presentation on MySQLi - An Improved Extension of MySQL. MySQLi is a relational database which allows object oriented as well as procedural format. For all developer its recommend to use MySQLi when dealing with MySQL server versions 4.1.3 and newer.
Check username availability with vue.js and PHPYogesh singh
Live username availability checking on the registration page is the common feature in most of the website.
This will notify the user whether the username is already been taken or not before submitting.
To do this require AJAX.
Send a request to check the username on the bases of response perform the action.
In this tutorial, I show how you can check username availability using Vue.js and PHP.
Presentation on MySQLi - An Improved Extension of MySQL. MySQLi is a relational database which allows object oriented as well as procedural format. For all developer its recommend to use MySQLi when dealing with MySQL server versions 4.1.3 and newer.
Check username availability with vue.js and PHPYogesh singh
Live username availability checking on the registration page is the common feature in most of the website.
This will notify the user whether the username is already been taken or not before submitting.
To do this require AJAX.
Send a request to check the username on the bases of response perform the action.
In this tutorial, I show how you can check username availability using Vue.js and PHP.
PHP: Why PHP and MySQL? Server-side scripting, PHP syntax and variables, comments, types, control structures, branching, looping, termination, functions, passing information with PHP, GET, POST, formatting form variables, superglobal arrays, strings and string functions, regular expressions, arrays, number handling, basic PHP errors/problems
The PHP is a powerful web scripting language that is free and efficient language for building dynamic web pages. This presentation is an introduction to the basics of PHP programming with a little sample program.
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Introduction of PHP with all the basic codes and tags. Explanation of all the confusing keywords. PHP forms are also explained along with operators and datatypes.
You can also type a keyword to search online for the video that best fits your document. To make your document look professionally produced, Word provides header, footer, cover page, and text box designs that complement each other.
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
CFD Simulation of By-pass Flow in a HRSG module by R&R Consult.pptxR&R Consult
CFD analysis is incredibly effective at solving mysteries and improving the performance of complex systems!
Here's a great example: At a large natural gas-fired power plant, where they use waste heat to generate steam and energy, they were puzzled that their boiler wasn't producing as much steam as expected.
R&R and Tetra Engineering Group Inc. were asked to solve the issue with reduced steam production.
An inspection had shown that a significant amount of hot flue gas was bypassing the boiler tubes, where the heat was supposed to be transferred.
R&R Consult conducted a CFD analysis, which revealed that 6.3% of the flue gas was bypassing the boiler tubes without transferring heat. The analysis also showed that the flue gas was instead being directed along the sides of the boiler and between the modules that were supposed to capture the heat. This was the cause of the reduced performance.
Based on our results, Tetra Engineering installed covering plates to reduce the bypass flow. This improved the boiler's performance and increased electricity production.
It is always satisfying when we can help solve complex challenges like this. Do your systems also need a check-up or optimization? Give us a call!
Work done in cooperation with James Malloy and David Moelling from Tetra Engineering.
More examples of our work https://www.r-r-consult.dk/en/cases-en/
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
2. Index
1. What is php?
2. Uses of php
3. Basic syntax of php
4. Variables
5. Echo/print statement
6. Array
7. Decision making
8. Loops
9. Functions
10. Mysql connections to php
11. Framework
3. What is php ?
Php is scripting language commonly used on web servers.
stands for Php: Hypertext preprocessor.
open source.
Embedded code.
Multiple operating systems/web servers.
4. Uses of php
Programming functions.
You can add, delete, modify, etc within database through php.
Encrypt data.
Using PHP, you can restrict users to access some pages of your
website.
6. Comment: To make the single line comment use //.To make large
comment block use /* and ends with */.
Example:
<?php
//this is comment
/*this is comment
Block*/
?>
7. Variables
Php variables start with $ sign and followed by name of variable.
Case sensitive($FOO!=$foo!=fOo)
Globally and locally scoped variable
Global variables can be placed anywhere.
Local variables restricted to a function or class.
Certain variables are reserved by php
Form variables($_post,$_get)
Server variables($_server),etc.
9. Echo/Print
There are two ways to print the output: echo and print
Example:
<?php
$foo = 25;
$bar = “Well come to php”;
echo $bar; //prints Well come to php
echo $foo; //prints 25
echo $foo,$bar; //prints 25hello
?>
10. Arrays
An array is a special variable that stores more than one element at
a time.
In php, there are three types of array:
. Indexed Array
. Associative Array
. Multidimensional Array
11. Arrays(contd..)
1.Indexed array: An array with numeric index.
Example:
$cars = array("Volvo", "BMW", "Toyota");
or
$cars[0] = "Volvo";
$cars[1] = "BMW";
$cars[2] = "Toyota";
12. Arrays(contd..)
2.Associative array: An array where each ID key is associated with a
value.
Example:
$salary = array(
"Peter"=>“2000",
"Ben"=>“3000",
"Joe"=>“4000“ );
13. Arrays(contd..)
3.Multidimensional array: An array containing one or more arrays
and values are accessed using multiple indices.
Example:
<?php
$letters = array('A','B','C'); $numbers =
array(1,2,3);
$matrix = array('Letter' =>$letters,
'Number' => $numbers);
?>
15. Php- if..elseif..else
if (condition1) {
//code to be executed;
} elseif (condition2) {
//Code to be executed;
} else {
//code to be executed if neither;
// condition1 nor condition2 is true;
}
19. Loops(contd)
foreach Loop: The foreach loop works only on arrays, and used to
loop through keys/value pair in an array.
<?php
$color=array(“red”,”green”,”blue”;
foreach ($color as $ value)
echo “$value</br>”;
?>
20. Functions
A Function is a self-contained block of code that performs to
perform specific task.
Php Built-in functions.
Php User-defined functions.
function functionName(){
// code to executed;}
Php functions with Parameters.
function functionName($parameter1,$parameter2){
//Code to executed; }
21. Mysql connection
Create connection: Before we can access data in the MySQL database, we
need to be able to connect to the server:
$conn = new mysqli($servername, $username, $password);
Close connection: The connection will be closed automatically when the
script ends.
$conn->close();
22. Mysql database
Create database: The CREATE DATABASE statement is used to
create a database in MySQL.
$sql = “create database myDB";
if ($conn->query($sql) === TRUE) {
echo "Database created successfully";
} else {
echo "Error creating database: " . $conn->error;
}
23. Mysql connection
Create table: The create table statement is used to create a table
in MySQL.
create table MyGuests (
id int(6) unsined
auto_increment primary key,
firstname varchar(30) not null,
lastname varchar(30) not null,
email varchar(50),
reg_date timestamp
);
24. Mysql database
Insert values: After creating the database and table start inserting
the values to the database.
INSERT INTO table name (column1, column2,
column3,...)VALUES (value1, value2, value3,...);
Update data: The UPDATE statement is used to update existing
records in a table.
Update table_name
SET column1=value, column2=value2,...
WHERE some column=some_value
25. Frameworks
A Frame is a set of common and prefabricated software building
blocks that programmers can use, extend customize for specific
computing solutions.
1. Code Igniter.
2. CakePHP.
3. PHPDevShell.
4. Akelos.