Php Loop

Feb 3, 2010Download as pptx, pdf

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The document discusses different PHP looping structures - while, do-while, and for loops. It also covers arrays, including indexed and associative arrays. Finally, it discusses PHP functions, including how to define functions and how functions can return values. Sample code is provided for each concept to demonstrate its usage.

PHPLoops - Statements that enable you to achieve repetitive tasks.

The while StatementThe while statement looks similar in structure to a basic if statement: while ( expression ) { // do something }As long as a while statement's expression evaluates to true, the code block is executed repeatedly. Each execution of the code block in a loop is often called an iteration.

Sample 1<?php$counter = 1; while ( $counter <= 12 ) {print "Counter value is $counter"."<br />"; $counter++; } ?>

The do...while StatementA do...while statement looks a little like a while statement turned on its head. The essential difference between the two is that the code block is executed before the truth test and not after it.The test expression of a do...while statement should always end with a semicolon.do-while loop first do's and secondly checks the while condition!do { // code to be executed } while (expression);

$Sample 2<?php$num = 1;do {print "Execution number: $num \n";$num++;} while ( $num > 200 && $num < 400 );?>$

The for Statementis simply a while loop with a bit more code added to it. The common tasks that are covered by a for loop are:Set a counter variable to some initial value.Check to see if the conditional statement is true.Execute the code within the loop.Increment a counter at the end of each iteration through the loop.for ( initialize a counter; conditional statement; increment a counter){do this code;}

Sample 3<?phpfor ( $counter=1; $counter<=12; $counter++ ) {print "$counter times 2 is".($counter*2)."<br />";}?>

ArrayAn array is a data structure that stores one or more values in a single value (bucket). The array() construct is useful when you want to assign multiple values to an array at one timeare indexed from zero by default, so the index of any element in a sequentially indexed array always is one less than the element's place in the list$users = array ("Bert", "Sharon", "Betty", "Harry");

Sample 4<?php//arrary$users = array ("Bert", "Sharon", "Betty", "Harry");print $users[2];?>

Associative ArraysIn an associative array a key is associated with a value.$salaries["Bob"] = 2000; $salaries["Sally"] = 4000; $salaries["Charlie"] = 600; $salaries["Clare"] = 0;

Sample 5<?php//associative arrary$salaries["Bob"] = 2000;$salaries["Sally"] = 4000;$salaries["Charlie"] = 600;$salaries["Clare"] = 0;echo "Bob is being paid - $" . $salaries["Bob"] . "<br />";echo "Sally is being paid - $" . $salaries["Sally"] . "<br />";echo "Charlie is being paid - $" . $salaries["Charlie"] . "<br />";echo "Clare is being paid - $" . $salaries["Clare"];?>

Php Functionsis a self-contained block of code that can be called by your scripts. When called, the function's code is executed. You can pass values to functions, which they then work with. When finished, a function can pass a value back to the calling code.function myCompanyMotto(){ //some codes } ?>

Sample 6<?phpfunction myname(){ $name = "your-name";echo "$name <br />";}echo "My Name is <br />";myname();?>

A Function That Returns a ValueA function can return a value using the return statement in conjunction with a value. return stops the execution of the function and sends the value back to the calling code.function addNums( $firstnum, $secondnum ) {$result = $firstnum + $secondnum; return $result; }

Sample 7<?phpfunction addNums( $firstnum, $secondnum ) { $result = $firstnum + $secondnum; return $result; } print addNums(3,5); // will print "8"?>

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Pseudocode is a detailed description of an algorithm or program expressed in plain language rather than a programming language. It allows programmers to design programs at a high level before writing code. The document provides examples of pseudocode for control structures like conditionals and loops, and calculating sales tax and weekly wages. It also defines flowcharts as diagrams that show the sequence of operations to solve a problem and lists common flowchart symbols like rectangles, diamonds, and circles. Guidelines are given for drawing flowcharts and examples are provided of flowcharts to find the largest of three numbers and sum the first 50 natural numbers.

Form Scriptlotlot

Mysql Aggregatelotlot

The document discusses MySQL aggregate functions such as COUNT, SUM, AVG, MIN, and MAX. It explains that these functions perform calculations on column values for groups of rows defined by the GROUP BY clause. Samples of SQL queries are provided that use these functions to count items, sum prices, find average prices, and determine minimum and maximum prices for different product types from a products table.

Mysql Scriptlotlot

Mysqllotlot

Php Formlotlot

Php Condition Flowlotlot

Php-Continuationlotlot

Hariyali - Indialotlot

The document summarizes the rural market context and opportunities in India. It notes that rural India has a large population and economy, generating $450 billion in income annually. However, rural markets have significant gaps like poor infrastructure, low agricultural productivity, and a lack of quality products and services. The Hariyali Kisaan Bazaar business model aims to address these gaps. It plans to increase rural incomes through agricultural services and a "one stop shop" retail approach, while also sourcing quality farm produce directly from farmers. The goal is to provide rural customers with better choices, trust, and value.

The Province Of Davao Orientallotlot

Davao Oriental has a population of over 486,000 people and its economy relies heavily on agriculture. The top agricultural commodities produced in Davao Oriental include rice, corn, coconuts, abaca, rubber, bananas, mangoes, livestock, aquaculture, and seaweeds. The document provides details on the production and potential investment opportunities for each of these agricultural sectors. It highlights that Davao Oriental has sufficient land and labor to significantly expand production and agricultural processing.

Annual Reviewlotlot

This document provides a status update on the Governor's Agricultural Priority Projects in Davao Oriental for 2008. It lists the names and locations of model farmers for various upland and lowland projects, including diversified farming systems, coco-white corn intercropping, coco-banana cardava, coco-vegetable intercropping, coco-goat production, rainfed crop rotation rice production, and inland freshwater fish production projects. It also provides details on coastal projects like fish pens and seaweed culture. A five year rubber industry development project is outlined along with a major action plan for 2009. Issues and problems mentioned include establishing a one stop shop for investments, product quality control systems, and training programs.

Pseudocode-Flowchartlotlot

Form Scriptlotlot

Mysql Aggregatelotlot

Mysql Scriptlotlot

Mysqllotlot

Php Formlotlot

Php Condition Flowlotlot

Php-Continuationlotlot

Hariyali - Indialotlot

The Province Of Davao Orientallotlot

Annual Reviewlotlot

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Floods in Valencia: Two FME-Powered Stories of Data ResilienceSafe Software

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Jacobs has developed a 3D utility solids modelling workflow to improve the integration of utility data into 3D Building Information Modeling (BIM) environments. This workflow, a collaborative effort between the New Zealand Geospatial Team and the Australian Data Capture Team, employs FME to convert 2D utility data into detailed 3D representations, supporting enhanced spatial analysis and clash detection. To enable the automation of this process, Jacobs has also developed a survey data standard that standardizes the capture of existing utilities. This standard ensures consistency in data collection, forming the foundation for the subsequent automated validation and modelling steps. The workflow begins with the acquisition of utility survey data, including attributes such as location, depth, diameter, and material of utility assets like pipes and manholes. This data is validated through a custom-built tool that ensures completeness and logical consistency, including checks for proper connectivity between network components. Following validation, the data is processed using an automated modelling tool to generate 3D solids from 2D geometric representations. These solids are then integrated into BIM models to facilitate compatibility with 3D workflows and enable detailed spatial analyses. The workflow contributes to improved spatial understanding by visualizing the relationships between utilities and other infrastructure elements. The automation of validation and modeling processes ensures consistent and accurate outputs, minimizing errors and increasing workflow efficiency. This methodology highlights the application of FME in addressing challenges associated with geospatial data transformation and demonstrates its utility in enhancing data integration within BIM frameworks. By enabling accurate 3D representation of utility networks, the workflow supports improved design collaboration and decision-making in complex infrastructure projects

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