This document provides an introduction to PHP, covering its history, syntax, variables, arrays, operators, control structures, and using external data files. PHP is an open-source scripting language mainly used for web development. It allows embedding code into HTML pages. The document outlines PHP's origins and evolution, how it is parsed by servers, and its basic syntax and programming constructs like if/else statements, loops, and functions. It also discusses working with variables, arrays, and reading/writing external files for dynamic web content.
PHP is a server-side scripting language commonly used for web development. It allows developers to add dynamic content to websites. PHP scripts can output HTML, manipulate files, connect to databases, and more. The language contains many built-in functions for working with strings, arrays, files, and other common tasks. PHP code is embedded within HTML and executed by the web server before the page is sent to the browser. This allows dynamic content and functionality to be added to websites through PHP.
Php classes in mumbai
best Php classes in mumbai with job assistance.
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This document provides an introduction to PHP, covering its history, parsing, variables, arrays, operators, functions, control structures, and use of external data files. PHP is an open-source server-side scripting language that was originally created in 1994 and is widely used for web development. It allows developers to embed code into HTML pages that is executed on the server to dynamically generate content.
PHP is a server-side scripting language commonly used for web development. It was created in 1994 and has evolved significantly over time. PHP scripts can output HTML content as well as dynamically generate pages based on external data sources. PHP supports variables, arrays, operators, flow control structures, and functions to build robust web applications. It allows embedding code snippets directly into HTML files or calling HTML from PHP scripts.
PHP is a server-side scripting language commonly used for web development. It allows developers to add dynamic content to websites. PHP code is embedded within HTML and executed on the server before the page is sent to the browser. The document provides an introduction and overview of PHP, covering its history, syntax based on Perl and C, how PHP scripts are parsed and executed, variables, arrays, operators, control structures like if/else and loops, functions to include external files, and how PHP can be used to retrieve and display external data.
The document discusses several topics related to using Perl for bioinformatics lessons including:
- Providing lesson materials and additional educational resources online
- Benefits of using web technology like having questions answered online and avoiding repetitive questions
- Practicum details like introductions, assignments, and locations
- An introduction to the Perl programming language including its history, uses, and advantages for bioinformatics tasks
- Examples of bioinformatics problems that can be solved using Perl like sequence analysis, parsing results, and database queries
This document provides an overview of using the Perl programming language for bioinformatics applications. It introduces Perl variables like scalars, arrays, and hashes. It also covers flow control and loops. The document demonstrates how to open and read/write files in Perl. It provides examples of commonly used bioinformatics tools that incorporate Perl components and recommends resources for learning more about Perl and BioPerl.
Version 5.0 will include version 2.0 of the Zend Engine
New object model is more powerful and intuitive
Objects will no longer be passed by value; they now will be passed by reference
Increases performance and makes OOP more attractive
PHP is a server-side scripting language commonly used for web development. It allows developers to add dynamic content to websites. PHP scripts can output HTML, manipulate files, connect to databases, and more. The language contains many built-in functions for working with strings, arrays, files, and other common tasks. PHP code is embedded within HTML and executed by the web server before the page is sent to the browser. This allows dynamic content and functionality to be added to websites through PHP.
Php classes in mumbai
best Php classes in mumbai with job assistance.
our features are:
expert guidance by it industry professionals
lowest fees of 5000
practical exposure to handle projects
well equiped lab
after course resume writing guidance
This document provides an introduction to PHP, covering its history, parsing, variables, arrays, operators, functions, control structures, and use of external data files. PHP is an open-source server-side scripting language that was originally created in 1994 and is widely used for web development. It allows developers to embed code into HTML pages that is executed on the server to dynamically generate content.
PHP is a server-side scripting language commonly used for web development. It was created in 1994 and has evolved significantly over time. PHP scripts can output HTML content as well as dynamically generate pages based on external data sources. PHP supports variables, arrays, operators, flow control structures, and functions to build robust web applications. It allows embedding code snippets directly into HTML files or calling HTML from PHP scripts.
PHP is a server-side scripting language commonly used for web development. It allows developers to add dynamic content to websites. PHP code is embedded within HTML and executed on the server before the page is sent to the browser. The document provides an introduction and overview of PHP, covering its history, syntax based on Perl and C, how PHP scripts are parsed and executed, variables, arrays, operators, control structures like if/else and loops, functions to include external files, and how PHP can be used to retrieve and display external data.
The document discusses several topics related to using Perl for bioinformatics lessons including:
- Providing lesson materials and additional educational resources online
- Benefits of using web technology like having questions answered online and avoiding repetitive questions
- Practicum details like introductions, assignments, and locations
- An introduction to the Perl programming language including its history, uses, and advantages for bioinformatics tasks
- Examples of bioinformatics problems that can be solved using Perl like sequence analysis, parsing results, and database queries
This document provides an overview of using the Perl programming language for bioinformatics applications. It introduces Perl variables like scalars, arrays, and hashes. It also covers flow control and loops. The document demonstrates how to open and read/write files in Perl. It provides examples of commonly used bioinformatics tools that incorporate Perl components and recommends resources for learning more about Perl and BioPerl.
Version 5.0 will include version 2.0 of the Zend Engine
New object model is more powerful and intuitive
Objects will no longer be passed by value; they now will be passed by reference
Increases performance and makes OOP more attractive
This document provides an introduction to Perl and BioPerl for bioinformatics. It discusses Jennifer Dommer and Vivek Gopalan from the National Institute of Allergy and Infectious Diseases presenting on Perl programming principles including variables, flow control, loops, file manipulation and regular expressions. It then provides an overview of BioPerl and how it can be used for tasks like working with sequence data. Examples are given throughout to demonstrate various Perl coding concepts.
This document provides an overview of Perl programming and BioPerl:
- It discusses advanced data structures in Perl like scalars, arrays, and associative arrays (hashes).
- It introduces object-oriented programming concepts in Perl like classes, objects, and methods.
- It describes Bioperl, a large collection of Perl modules for bioinformatics. Bioperl was created to make bioinformatics software more modular, maintainable, reliable, and reusable.
- Examples are provided to demonstrate multi-line parsing of sequence data using Bioperl.
- PHP is a server-side scripting language commonly used for web development. It allows developers to add dynamic content to websites.
- The document provides an introduction and overview of key PHP concepts including variables, arrays, operators, control structures, and using external data files.
- It discusses PHP's history and architecture, and how PHP scripts are executed on the server to generate dynamic web pages.
Perl is a general-purpose programming language created by Larry Wall in 1987. It supports both procedural and object-oriented programming. Perl is useful for tasks like web development, system administration, text processing and more due to its powerful built-in support for text processing and large collection of third-party modules. Basic Perl syntax includes variables starting with $, @, and % for scalars, arrays, and hashes respectively. Conditional and looping constructs like if/else, while, and for are also supported.
This document provides an overview of the Perl programming language. It discusses Perl's history and introduction, beginning with Perl scripts, data types like scalars, lists, arrays, and hashes. It also covers Perl operators, conditional statements, regular expressions, subroutines, and file handling. The document is intended as an introduction to Perl and provides examples of basic Perl syntax and functions.
The document provides an overview of PHP including:
- PHP is an open source scripting language used for web development. PHP scripts are executed on the server and return HTML to browsers.
- PHP files can contain text, HTML, CSS, JavaScript and PHP code. Common file extensions are .php.
- PHP supports variables, arrays, strings and loops. Arrays can be numeric, associative or multidimensional.
- Functions like include() and require() allow including content from one PHP file into another.
- Control structures like while and do-while loops execute code blocks repeatedly based on conditions.
This document provides an overview and schedule for a one-day introduction to Perl programming course. It covers what will be taught including creating and running Perl programs, variables, operators, functions, input/output, and more. The schedule includes breaks and lunch and notes resources available online for the slides.
The document provides an overview of the topics that will be covered in a training session on modern Perl techniques. The session will cover Template Toolkit for templating, DateTime and related modules for handling dates and times, DBIx::Class for object-relational mapping, TryCatch for exception handling, Moose for object-oriented programming, and additional modules like autodie and Catalyst. The schedule includes sessions, breaks for coffee and lunch, and resources for following up after the training.
This document summarizes the key topics that will be covered in an introduction to Perl programming course on day 2, including types of variables, references, sorting, and object orientation. The schedule outlines times for lectures, breaks and lunch. Resources provided include slides, slideshare, and an online community.
Training on php by cyber security infotech (csi). Cs-infotech is one of the best cyber security and website development company in India. we also provide Network security, software development, Cyber security corporate training and SEO and SMO services.
Our services are Employee Monitoring System,Employee Monitoring Software,Website Audit,Network Security,Network Audit and Information Security.
This document provides an overview of the Perl programming language. It covers what Perl is, how to create and run Perl scripts, scalar and array variables, hashes, control structures like if/else and loops, file operations, and common Perl functions like split and join. Advanced Perl concepts like subroutines, regular expressions, and object-oriented programming are also mentioned. Resources for learning more about Perl like documentation, books, and mailing lists are provided at the end.
This is the third set of slightly updated slides from a Perl programming course that I held some years ago.
I want to share it with everyone looking for intransitive Perl-knowledge.
A table of content for all presentations can be found at i-can.eu.
The source code for the examples and the presentations in ODP format are on https://github.com/kberov/PerlProgrammingCourse
This is the second set of slightly updated slides from a Perl programming course that I held some years ago.
I want to share it with everyone looking for intransitive Perl-knowledge.
A table of content for all presentations can be found at i-can.eu.
The source code for the examples and the presentations in ODP format are on https://github.com/kberov/PerlProgrammingCourse
Perl is an interpreted, general-purpose programming language originally developed for text manipulation and now used widely for a variety of tasks including system administration, web development, and more. It has a small number of basic data types (scalars, arrays, hashes) and supports both procedural and object-oriented programming. Key elements of Perl include its C-style syntax, dynamic typing, and emphasis on practical solutions over purity.
This is the ninth set of slightly updated slides from a Perl programming course that I held some years ago.
I want to share it with everyone looking for intransitive Perl-knowledge.
A table of content for all presentations can be found at i-can.eu.
The source code for the examples and the presentations in ODP format are on https://github.com/kberov/PerlProgrammingCourse
The document provides an overview of the Perl programming language. It discusses that Perl stands for Practical Extraction and Reporting Language and is similar to shell script but more powerful and easier. It then covers basic Perl concepts like file extensions, self-executing scripts, advantages over other languages, and using print statements. The document also summarizes storing values using scalar and list variables, control structures, regular expressions, functions, and more advanced Perl topics.
My Beginners Perl tutorial, much abbreviated and as presented at the London Perl Workshop on Dec 1st 2007.
Also includes the section on Regular Expressions that we didn't have time for on the day.
This document discusses PHP functions and arrays. It covers basic syntax for defining functions, returning values from functions, and variable scope. It also covers array basics like indexing and printing arrays, as well as operations like sorting, searching, and iterating over arrays. Functions for stacks, queues and sets using arrays are also demonstrated. The document is a comprehensive reference for working with functions and arrays in PHP.
The document describes the design of an adder circuit and arithmetic logic unit (ALU). It explains how a 1-bit full adder works and how multiple 1-bit adders can be chained together to create a ripple carry adder. Alternatively, carry lookahead adders can compute carry bits faster without waiting. The document also discusses how decoders and multiplexors can be used to build logic for arithmetic and logical operations in an ALU. A 32-bit ALU design is presented using multiple 1-bit ALU blocks chained together.
Mama sent an email to an unknown recipient. The short message does not provide any context or details about its contents. It only indicates that Mama is the sender, but provides no other information about the purpose or topic of the email.
3 hot social media tips bio made socialClarence Chew
The document outlines 3 hot social media tips for life science companies presented by Clarence Chew and moderated by Kayla Roxas. The tips are: 1) Use the 70/20/10 rule for content creation, with 70% of content being educational, 20% building relationships, and 10% self-promotional. 2) Share stories on social media that your audience can relate to. 3) Use Facebook tabs to convert "likes" into qualified social leads. The presentation provides examples and explanations of each tip.
This document provides an introduction to Perl and BioPerl for bioinformatics. It discusses Jennifer Dommer and Vivek Gopalan from the National Institute of Allergy and Infectious Diseases presenting on Perl programming principles including variables, flow control, loops, file manipulation and regular expressions. It then provides an overview of BioPerl and how it can be used for tasks like working with sequence data. Examples are given throughout to demonstrate various Perl coding concepts.
This document provides an overview of Perl programming and BioPerl:
- It discusses advanced data structures in Perl like scalars, arrays, and associative arrays (hashes).
- It introduces object-oriented programming concepts in Perl like classes, objects, and methods.
- It describes Bioperl, a large collection of Perl modules for bioinformatics. Bioperl was created to make bioinformatics software more modular, maintainable, reliable, and reusable.
- Examples are provided to demonstrate multi-line parsing of sequence data using Bioperl.
- PHP is a server-side scripting language commonly used for web development. It allows developers to add dynamic content to websites.
- The document provides an introduction and overview of key PHP concepts including variables, arrays, operators, control structures, and using external data files.
- It discusses PHP's history and architecture, and how PHP scripts are executed on the server to generate dynamic web pages.
Perl is a general-purpose programming language created by Larry Wall in 1987. It supports both procedural and object-oriented programming. Perl is useful for tasks like web development, system administration, text processing and more due to its powerful built-in support for text processing and large collection of third-party modules. Basic Perl syntax includes variables starting with $, @, and % for scalars, arrays, and hashes respectively. Conditional and looping constructs like if/else, while, and for are also supported.
This document provides an overview of the Perl programming language. It discusses Perl's history and introduction, beginning with Perl scripts, data types like scalars, lists, arrays, and hashes. It also covers Perl operators, conditional statements, regular expressions, subroutines, and file handling. The document is intended as an introduction to Perl and provides examples of basic Perl syntax and functions.
The document provides an overview of PHP including:
- PHP is an open source scripting language used for web development. PHP scripts are executed on the server and return HTML to browsers.
- PHP files can contain text, HTML, CSS, JavaScript and PHP code. Common file extensions are .php.
- PHP supports variables, arrays, strings and loops. Arrays can be numeric, associative or multidimensional.
- Functions like include() and require() allow including content from one PHP file into another.
- Control structures like while and do-while loops execute code blocks repeatedly based on conditions.
This document provides an overview and schedule for a one-day introduction to Perl programming course. It covers what will be taught including creating and running Perl programs, variables, operators, functions, input/output, and more. The schedule includes breaks and lunch and notes resources available online for the slides.
The document provides an overview of the topics that will be covered in a training session on modern Perl techniques. The session will cover Template Toolkit for templating, DateTime and related modules for handling dates and times, DBIx::Class for object-relational mapping, TryCatch for exception handling, Moose for object-oriented programming, and additional modules like autodie and Catalyst. The schedule includes sessions, breaks for coffee and lunch, and resources for following up after the training.
This document summarizes the key topics that will be covered in an introduction to Perl programming course on day 2, including types of variables, references, sorting, and object orientation. The schedule outlines times for lectures, breaks and lunch. Resources provided include slides, slideshare, and an online community.
Training on php by cyber security infotech (csi). Cs-infotech is one of the best cyber security and website development company in India. we also provide Network security, software development, Cyber security corporate training and SEO and SMO services.
Our services are Employee Monitoring System,Employee Monitoring Software,Website Audit,Network Security,Network Audit and Information Security.
This document provides an overview of the Perl programming language. It covers what Perl is, how to create and run Perl scripts, scalar and array variables, hashes, control structures like if/else and loops, file operations, and common Perl functions like split and join. Advanced Perl concepts like subroutines, regular expressions, and object-oriented programming are also mentioned. Resources for learning more about Perl like documentation, books, and mailing lists are provided at the end.
This is the third set of slightly updated slides from a Perl programming course that I held some years ago.
I want to share it with everyone looking for intransitive Perl-knowledge.
A table of content for all presentations can be found at i-can.eu.
The source code for the examples and the presentations in ODP format are on https://github.com/kberov/PerlProgrammingCourse
This is the second set of slightly updated slides from a Perl programming course that I held some years ago.
I want to share it with everyone looking for intransitive Perl-knowledge.
A table of content for all presentations can be found at i-can.eu.
The source code for the examples and the presentations in ODP format are on https://github.com/kberov/PerlProgrammingCourse
Perl is an interpreted, general-purpose programming language originally developed for text manipulation and now used widely for a variety of tasks including system administration, web development, and more. It has a small number of basic data types (scalars, arrays, hashes) and supports both procedural and object-oriented programming. Key elements of Perl include its C-style syntax, dynamic typing, and emphasis on practical solutions over purity.
This is the ninth set of slightly updated slides from a Perl programming course that I held some years ago.
I want to share it with everyone looking for intransitive Perl-knowledge.
A table of content for all presentations can be found at i-can.eu.
The source code for the examples and the presentations in ODP format are on https://github.com/kberov/PerlProgrammingCourse
The document provides an overview of the Perl programming language. It discusses that Perl stands for Practical Extraction and Reporting Language and is similar to shell script but more powerful and easier. It then covers basic Perl concepts like file extensions, self-executing scripts, advantages over other languages, and using print statements. The document also summarizes storing values using scalar and list variables, control structures, regular expressions, functions, and more advanced Perl topics.
My Beginners Perl tutorial, much abbreviated and as presented at the London Perl Workshop on Dec 1st 2007.
Also includes the section on Regular Expressions that we didn't have time for on the day.
This document discusses PHP functions and arrays. It covers basic syntax for defining functions, returning values from functions, and variable scope. It also covers array basics like indexing and printing arrays, as well as operations like sorting, searching, and iterating over arrays. Functions for stacks, queues and sets using arrays are also demonstrated. The document is a comprehensive reference for working with functions and arrays in PHP.
The document describes the design of an adder circuit and arithmetic logic unit (ALU). It explains how a 1-bit full adder works and how multiple 1-bit adders can be chained together to create a ripple carry adder. Alternatively, carry lookahead adders can compute carry bits faster without waiting. The document also discusses how decoders and multiplexors can be used to build logic for arithmetic and logical operations in an ALU. A 32-bit ALU design is presented using multiple 1-bit ALU blocks chained together.
Mama sent an email to an unknown recipient. The short message does not provide any context or details about its contents. It only indicates that Mama is the sender, but provides no other information about the purpose or topic of the email.
3 hot social media tips bio made socialClarence Chew
The document outlines 3 hot social media tips for life science companies presented by Clarence Chew and moderated by Kayla Roxas. The tips are: 1) Use the 70/20/10 rule for content creation, with 70% of content being educational, 20% building relationships, and 10% self-promotional. 2) Share stories on social media that your audience can relate to. 3) Use Facebook tabs to convert "likes" into qualified social leads. The presentation provides examples and explanations of each tip.
What have you learnt about the technologies from the process of constructing ...david_e_castillo
The document discusses the process of creating a music magazine, including preliminary tasks, research stages, and use of various technologies. It involved initial photography and design work using Photoshop. Research included creating a mood board, conducting a target audience questionnaire, and learning about the chosen music genre. Annotations of sample magazine pages helped with layout ideas. Websites provided research information and presentation platforms. Photoshop, Word, and PowerPoint were used to design and assemble the magazine. The process introduced the student to new technologies and helped evaluate their work.
This document compares the mobile networks of Pakistan and European countries. It discusses the major mobile network providers in each region, including their brands and target markets. In Europe, the top 5 mobile networks are outlined and contract phone deals involve signing long-term agreements. Pakistan also has 5 major mobile networks - Ufone, Telenor, Warid, Zong and Mobilink. They target different segments like corporate users, youth, and general customers. Mobile connectivity provides opportunities for entrepreneurship through access to information, payments, and developing mobile applications.
Taylor Swift es mi cantante favorita. Sus canciones cuentan historias reales sobre el amor y el desamor de una manera honesta y vulnerable. Swift es una de las artistas más exitosas de la actualidad y ha vendido millones de discos en todo el mundo.
El ejército mexicano en vísperas de la Revolución era una fuerza ineficaz y corrupta que no logró mantener el orden en un país dividido por las desigualdades sociales y políticas, lo que finalmente condujo al estallido de la Revolución Mexicana en 1910.
How To Apply Special Effects Makeup for Halloween Charlotte Peck
The document discusses applying scar wax and making cotton black to create a finished product. It contains instructions for using scar wax and dyeing cotton a black color through an unspecified process. The finished product is not described but is implied to involve the scar wax and black cotton.
NeoFocus - Adapt your strategy to the Brazilian cultureJerome Kelber
Discover how to adapt your strategy to the cultural environment of Brazilian companies, in a pragmatic and efficient way!
Many European companies entering the Brazilian market are misled by the apparent similarities of the two cultures, which derive from the the historical links between the two régions.
The success of any project, and even more intercultural ones, result from mutual understanding, effective communication and lasting relationships based on mutual trust. But the cultural environment directly affects communications, actions and individual or collective decisions.
We use a 5 dimension model to measure the cultural differentiations between the two cultures, based on the most successful model to date. Significant différences between the two cultures create gaps that need to be breached with corrective actions.
Take a look at our presentation or get in touch with us!
Presentation given at the French Senate, for a conference on Latin America organized by Ubifrance
Poundland wanted to be seen as an essential shop for weekly groceries, on par with major supermarkets. They devised a "Weekly Essentials" campaign using social media, PR and partnerships to challenge shoppers to save on their weekly shop at Poundland. This resulted in 30 pieces of media coverage and over 250 mums sharing money-saving experiences online. As a result, Poundland saw year-on-year sales increases of 56% in groceries, 26% in health & beauty, and 20% in household goods, showing a tangible shift in consumer perception of the brand.
A presentation by Mahesh Fakir, CEO of the Ports Regulator of South Africa at the 2nd annual Coal Transportation Africa Summit, held at the Indaba Hotel in Fourways, Johannesburg from 19-20 May 2015.
1) El documento describe una clase de quinto grado que reconoce el trabajo de la Iglesia en la defensa de los ríos de Junín. 2) Los estudiantes leen un texto sobre cómo la Tierra se enfermó debido a la contaminación causada por los humanos. 3) El documento incluye preguntas sobre el texto y actividades para iluminar el tema con pasajes bíblicos y realizar compromisos para cuidar el medio ambiente.
This document discusses testing in space. Conducting tests and experiments in the microgravity environment of space can provide unique insights not possible on Earth. Space agencies worldwide perform various tests on board crewed spacecraft and unmanned satellites to advance scientific knowledge and develop new technologies.
The document provides details on the pre-production for a short film, including research inspiration, a production schedule, script synopsis, budget, crew and cast, equipment needs, locations, and plans for addressing legal and ethical considerations. It outlines filming during the upcoming Easter holiday, editing at home, and hoping to be nearly finished upon returning from break. The budget allocates £200 for equipment like a shoulder rig and props. Health and safety risks include potential falls while filming in a cave or tide changes.
La musicoterapia propone un espacio donde los alumnos puedan desarrollar su creatividad a través de un proceso sistemático de intervención musical, utilizando experiencias musicales y artísticas que favorezcan su relación con la música e instrumentos. El objetivo es que los alumnos trabajen emociones como la frustración y el autocontrol, y que mejoren su comunicación, relaciones interpersonales y autoconocimiento. El documento describe diversas actividades musicales, vocales, de movimiento, mímica y relajación que pueden lle
The document provides examples of cube numbers from 1 to 10, where each number is the result of multiplying a base number by itself three times. It then lists the cube numbers as 1, 8, 27, 64, 125, 216, 343, 512, 729, 1000. These numbers are also called cubic numbers. The document also includes pseudocode for a simple program to print numbers from 1 to a given value.
PHP is a server-side scripting language commonly used for web development. The document provides an introduction to PHP including a brief history, how PHP scripts are parsed, variables, arrays, operators, control structures, and including external files. It discusses PHP's architecture and how scripts are executed on the server before being sent to the browser.
PHP is a server-side scripting language commonly used for web development. It allows developers to add dynamic content to websites. Key points:
- PHP scripts are executed on the server and output HTML, JavaScript, or other code to browsers.
- PHP supports variables, arrays, functions, classes, and control structures like if/else statements.
- External data like from text files or databases can be easily incorporated into dynamic web pages using PHP.
- PHP files have a .php extension and PHP code is delimited by <?php ?> tags within HTML files or standalone PHP files.
This document provides an introduction to PHP. It covers a brief history of PHP and its syntax which is based on Perl, Java, and C. It also discusses parsing, variables, arrays, operators, control structures, and using external data files. Zend is discussed as the company that provides the Zend engine and other PHP products. Key PHP concepts covered include PHP scripts, including and requiring files, variable variables, and object oriented programming. The document is intended to give an overview of PHP for beginners.
This document provides an introduction to PHP, covering its history, core concepts like variables, arrays, operators, control structures, and how to include external files. PHP is a server-side scripting language commonly used for web development. It was created in 1994 and has evolved through several versions. Key points covered include PHP's loose typing, how variables work and are assigned, the various operators available, using arrays to store multiple values, and control structures like if/else statements and loops to control program flow. The document also discusses including other files to reuse code and read external data files.
This document provides an introduction and overview of PHP. It begins with a brief history of PHP, noting it was created in 1994 and is now one of the premier open source projects. It discusses PHP's server-side scripting capabilities and mentions variables, arrays, operators, functions and control structures as topics that will be covered. The document provides background on PHP and how it is well-suited for dynamic web content. It also discusses PHP parsing and architecture.
This document provides an overview of server-side scripting using PHP. It includes 15 questions covering PHP topics like variables, data types, arrays, functions, and form handling. The questions are worth a total of 15 marks and include multiple choice, fill in the blank, true/false, and code writing questions. The document then provides details on PHP including an introduction, how it is well-suited for web development, examples of first PHP code, and explanations of variables, data types, arrays, control structures, functions and comments.
The document provides an overview and introduction to PHP including:
- PHP is a server-side scripting language used for web development. It was created by Rasmus Lerdorf in 1995.
- It discusses PHP basics like syntax, variables, strings, arrays, functions, and how to interact with forms and retrieve data from web pages.
- It also covers using PHP to communicate with backend databases and services to fetch and parse XML/JSON data.
This document provides an overview of PHP basics including:
- What PHP is and how it works as a server-side scripting language
- The basic structure of PHP files and how PHP code is executed
- Common PHP syntax like variables, data types, operators, conditional statements, loops, arrays, and functions
- How to handle forms and user input with the $_GET, $_POST, and $_REQUEST superglobals
- Examples of basic PHP scripts and code snippets
The document is intended as an introduction to PHP for beginners, covering the essential concepts needed to get started with the language.
Php i basic chapter 3 (mardhiah kamaludin's conflicted copy 2013-04-23)Muhamad Al Imran
The document provides an overview of server-side scripting and PHP. It explains that server-side scripts are processed by the web server before the response is sent to the client. It then discusses some key advantages of server-side scripting like dynamic content generation and access to databases. The document also introduces PHP, covering what it is, how it is processed, and what is needed to develop PHP applications. It provides examples of basic PHP syntax like variables, operators, and control structures.
This document provides an introduction to PHP, including an overview of server-side scripting, the basic PHP syntax, variables, operators, control structures like conditional statements and loops, and how PHP code is processed. It explains what PHP is, how it is widely used for building dynamic websites, and the basic components needed to develop PHP applications including a web server, PHP, and a database.
Php i basic chapter 3 (syahir chaer's conflicted copy 2013-04-22)Muhamad Al Imran
This document provides an introduction to PHP, including an overview of server-side scripting, how PHP code is processed, basic PHP syntax, variables, operators, control structures like conditional statements and loops, and other key PHP concepts. It explains what PHP is, how it is used to create dynamic web content, and some of the basic building blocks needed to get started with PHP programming.
Php i basic chapter 3 (afifah rosli's conflicted copy 2013-04-23)Muhamad Al Imran
This document provides an introduction to PHP, including an overview of server-side scripting, how PHP code is processed, basic PHP syntax, variables, operators, control structures like conditional statements and loops, and other key PHP concepts. It explains what PHP is, how it is used to create dynamic web content, and some of the basic building blocks needed to get started with PHP programming.
This document outlines an agenda for a PHP Intermediate training course. It covers various PHP concepts like arrays, loops, functions, GET and POST variables, and differences between PHP 4 and PHP 5. It includes examples and explanations of PHP array functions like count(), array_slice(), array_reverse() etc. It also discusses for, foreach, while and do-while loop structures. Finally, it lists some exercises for attendees to practice array manipulation, string reversal, finding middle element, duplicates etc. using PHP.
PHP is a server-side scripting language that is used for web development. It allows developers to manage dynamic content, databases, sessions, and build entire web applications. PHP code can be embedded within HTML or used on its own. When a web request is made, the PHP code is executed on the server and the output is sent to the browser. PHP supports features like variables, control structures, functions and object-oriented programming. It also allows access to databases and the generation of dynamic page content.
Unit-1 PHP Basic1 of the understanding of php.pptxAatifKhan84
This document provides an introduction and overview of PHP including:
- PHP was created in 1994 and is a widely used open source scripting language.
- PHP code is executed on the server and returns HTML to the browser.
- Common PHP file extensions are .php. PHP can generate dynamic web page content.
- The document then covers PHP variables, data types, operators, conditional and loop structures, functions, and arrays.
This document provides an introduction to Perl programming by discussing what Perl is used for, why it is useful, and how to get started with the language. It covers installing Perl on Windows and Linux, using variables and data structures like scalars, arrays, hashes, and references. It also demonstrates basic Perl syntax like conditional statements, loops, file I/O, and running commands. The goal is to get readers writing basic Perl code quickly while highlighting some key features of the language.
Custom, in depth 5 day PHP course I put together in 2014. I'm available to deliver this training in person at your offices - contact me at rich@quicloud.com for rate quotes.
[OReilly Superstream] Occupy the Space: A grassroots guide to engineering (an...Jason Yip
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That is where AI – and most importantly, Natural Language Processing and Large Language Model techniques – could make a difference. This natural language, conversational engine could facilitate access and usage of the data leveraging the semantics of any data source.
The objective of the presentation is to propose a technical approach and a way forward to achieve this goal.
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This approach leverages the LLM’s ability to understand the nuances of natural language and the structure of documents within Apache Solr.
The LLM acts as an intermediary agent, offering a transparent experience to users automatically and potentially uncovering relevant documents that conventional search methods might overlook. The presentation will include the results of this experimental work, lessons learned, best practices, and the scope of future work that should improve the approach and make it production-ready.
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Understanding the Customer Journey: Dr. Hill emphasized the importance of mapping and understanding the complete customer journey to identify touchpoints and opportunities for improvement.
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The best part is you can achieve this without building a custom workflow! Say goodbye to the hassle of using separate automations to call APIs. By seamlessly integrating within App Studio, you can now easily streamline your workflow, while gaining direct access to our Connector Catalog of popular applications.
We’ll discuss and demo the benefits of UiPath Apps and connectors including:
Creating a compelling user experience for any software, without the limitations of APIs.
Accelerating the app creation process, saving time and effort
Enjoying high-performance CRUD (create, read, update, delete) operations, for
seamless data management.
Speakers:
Russell Alfeche, Technology Leader, RPA at qBotic and UiPath MVP
Charlie Greenberg, host
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Під час доповіді відповімо на питання, навіщо потрібно підвищувати продуктивність аплікації і які є найефективніші способи для цього. А також поговоримо про те, що таке кеш, які його види бувають та, основне — як знайти performance bottleneck?
Відео та деталі заходу: https://bit.ly/45tILxj
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This slide deck presents DLHT, a concurrent in-memory hashtable. Despite efforts to optimize hashtables, that go as far as sacrificing core functionality, state-of-the-art designs still incur multiple memory accesses per request and block request processing in three cases. First, most hashtables block while waiting for data to be retrieved from memory. Second, open-addressing designs, which represent the current state-of-the-art, either cannot free index slots on deletes or must block all requests to do so. Third, index resizes block every request until all objects are copied to the new index. Defying folklore wisdom, DLHT forgoes open-addressing and adopts a fully-featured and memory-aware closed-addressing design based on bounded cache-line-chaining. This design offers lock-free index operations and deletes that free slots instantly, (2) completes most requests with a single memory access, (3) utilizes software prefetching to hide memory latencies, and (4) employs a novel non-blocking and parallel resizing. In a commodity server and a memory-resident workload, DLHT surpasses 1.6B requests per second and provides 3.5x (12x) the throughput of the state-of-the-art closed-addressing (open-addressing) resizable hashtable on Gets (Deletes).
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Let me take this questions and provide you a short journey through existing deployment models and use cases for AI software. On practical examples, we discuss what cloud/on-premise strategy we may need for applying it to our own infrastructure to get it to work from an enterprise perspective. I want to give an overview about infrastructure requirements and technologies, what could be beneficial or limiting your AI use cases in an enterprise environment. An interactive Demo will give you some insides, what approaches I got already working for real.
Keywords: AI, Containeres, Kubernetes, Cloud Native
Event Link: https://meine.doag.org/events/cloudland/2024/agenda/#agendaId.4211
In our second session, we shall learn all about the main features and fundamentals of UiPath Studio that enable us to use the building blocks for any automation project.
📕 Detailed agenda:
Variables and Datatypes
Workflow Layouts
Arguments
Control Flows and Loops
Conditional Statements
💻 Extra training through UiPath Academy:
Variables, Constants, and Arguments in Studio
Control Flow in Studio
QA or the Highway - Component Testing: Bridging the gap between frontend appl...zjhamm304
These are the slides for the presentation, "Component Testing: Bridging the gap between frontend applications" that was presented at QA or the Highway 2024 in Columbus, OH by Zachary Hamm.
2. PHP
Most of this is from the PHP manual
online at: http://www.php.net/manual/
3. What we'll cover
•
•
•
•
•
•
•
•
A short history of php
Parsing
Variables
Arrays
Operators
Functions
Control Structures
External Data Files
4. Background
• PHP is server side scripting system
•
•
•
•
•
PHP stands for "PHP: Hypertext Preprocessor"
Syntax based on Perl, Java, and C
Very good for creating dynamic content
Powerful, but somewhat risky!
If you want to focus on one system for dynamic
content, this is a good one to choose
5. History
• Started as a Perl hack in 1994 by Rasmus Lerdorf
(to handle his resume), developed to PHP/FI 2.0
• By 1997 up to PHP 3.0 with a new parser engine
by Zeev Suraski and Andi Gutmans
• Version 5.2.4 is current version, rewritten by Zend
(www.zend.com) to include a number of features,
such as an object model
• Current is version 5
• php is one of the premier examples of what an
open source project can be
6. About Zend
• A Commercial Enterprise
• Zend provides Zend engine for PHP for free
• They provide other products and services for a fee
• Server side caching and other optimizations
• Encoding in Zend's intermediate format to protect
source code
• IDE-a developer's package with tools to make life
easier
• Support and training services
• Zend's web site is a great resource
7. PHP 5 Architecture
• Zend engine as parser (Andi Gutmans and Zeev Suraski)
• SAPI is a web server abstraction layer
• PHP components now self contained (ODBC, Java,
LDAP, etc.)
• This structure is a good general design for software
(compare to OSI model, and middleware applications)
image from http://www.zend.com/zend/art/intro.php
8. PHP Scripts
• Typically file ends in .php--this is set by the web
server configuration
• Separated in files with the <?php ?> tag
• php commands can make up an entire file, or can
be contained in html--this is a choice….
• Program lines end in ";" or you get an error
• Server recognizes embedded script and executes
• Result is passed to browser, source isn't visible
<P>
<?php $myvar = "Hello World!";
echo $myvar;
?>
</P>
9. Parsing
• We've talk about how the browser can read a text
file and process it, that's a basic parsing method
• Parsing involves acting on relevant portions of a
file and ignoring others
• Browsers parse web pages as they load
• Web servers with server side technologies like php
parse web pages as they are being passed out to
the browser
• Parsing does represent work, so there is a cost
10. Two Ways
• You can embed sections of php inside html:
<BODY>
<P>
<?php $myvar = "Hello World!";
echo $myvar;
</BODY>
• Or you can call html from php:
<?php
echo "<html><head><title>Howdy</title>
…
?>
11. What do we know already?
• Much of what we learned about javascript
holds true in php (but not all!), and other
languages as well
$name = "bil";
echo "Howdy, my name is $name";
echo "What will $name be in this line?";
echo 'What will $name be in this line?';
echo 'What's wrong with this line?';
if ($name == "bil")
{
// Hey, what's this?
echo "got a match!";
}
12. Variables
• Typed by context (but one can force type), so it's
loose
• Begin with "$" (unlike javascript!)
• Assigned by value
• $foo = "Bob"; $bar = $foo;
• Assigned by reference, this links vars
• $bar = &$foo;
• Some are preassigned, server and env vars
• For example, there are PHP vars, eg. PHP_SELF,
HTTP_GET_VARS
00
13. phpinfo()
• The phpinfo() function shows the php
environment
• Use this to read system and server
variables, setting stored in php.ini, versions,
and modules
• Notice that many of these data are in arrays
• This is the first script you should write…
00_phpinfo.php
14. Variable Variables
• Using the value of a variable as the name of
a second variable)
$a = "hello";
$$a = "world";
• Thus:
echo "$a ${$a}";
• Is the same as:
echo "$a $hello";
• But $$a echoes as "$hello"….
00_hello_world.php
15. Operators
• Arithmetic (+, -, *, /, %) and String (.)
• Assignment (=) and combined assignment
$a
$a
$b
$b
= 3;
+= 5; // sets $a to 8;
= "Hello ";
.= "There!"; // sets $b to "Hello There!";
• Bitwise (&, |, ^, ~, <<, >>)
• $a ^ $b(Xor: Bits that are set in $a or $b but not
both are set.)
• ~ $a (Not: Bits that are set in $a are not set,
and vice versa.)
• Comparison (==, ===, !=, !==, <, >, <=, >=)
16. Coercion
• Just like javascript, php is loosely typed
• Coercion occurs the same way
• If you concatenate a number and string, the
number becomesa string
17_coercion.php
17. Operators: The Movie
• Error Control (@)
• When this precedes a command, errors generated are ignored
(allows custom messages)
• Execution (` is similar to the shell_exec()
function)
• You can pass a string to the shell for execution:
$output = `ls -al`;
$output = shell_exec("ls -al");
• This is one reason to be careful about user set variables!
• Incrementing/Decrementing
++$a
$a++
--$a
$a--
(Increments by one, then returns $a.)
(Returns $a, then increments $a by one.)
(Decrements $a by one, then returns $a.)
(Returns $a, then decrements $a by one.)
18. Son of the Valley of Operators
• Logical
$a and $b
$a or $b
$a xor $b
And
Or
Xor
! $a
$a && $b
$a || $b
Not
And
Or
True if
True if
True if
but not
True if
True if
True if
both $a and $b are
either $a or $b is
either $a or $b is
both.
$a is not true.
both $a and $b are
either $a or $b is
true.
true.
true,
true.
true.
• The two ands and ors have different
precedence rules, "and" and "or" are lower
precedence than "&&" and "||"
• Use parentheses to resolve precedence
problems or just to be clearer
19. Control Structures
• Wide Variety available
•
•
•
•
•
if, else, elseif
while, do-while
for, foreach
break, continue, switch
require, include, require_once, include_once
20. Control Structures
• Mostly parallel to what we've covered
already in javascript
• if, elseif, else, while, for, foreach, break and
continue
21. Switch
• Switch, which we've seen, is very useful
• These two do the same
switch ($i) {
things….
case 0:
if ($i == 0) {
echo "i equals 0";
} elseif ($i == 1) {
echo "i equals 1";
} elseif ($i == 2) {
echo "i equals 2";
}
echo "i equals 0";
break;
case 1:
echo "i equals 1";
break;
case 2:
echo "i equals 2";
break;
}
example from http://us3.php.net/manual/en/control-structures.switch.php
22. Nesting Files
• require(), include(), include_once(), require_once() are
used to bring in an external file
• This lets you use the same chunk of code in a number
of pages, or read other kinds of files into your program
• Be VERY careful of using these anywhere close to user
input--if a hacker can specify the file to be included,
that file will execute within your script, with whatever
rights your script has (readfile is a good alternative if
you just want the file, but don't need to execute it)
• Yes, Virginia, remote files can be specified
23. Example: A Dynamic Table
• I hate writing html tables
• You can build one in php
• This example uses pictures and builds a
table with pictures in one column, and
captions in another
• The captions are drawn from text files
• I'm using tables, but you could use css for
placement easily…
24. Arrays
• You can create an array with the array function, or use the
explode function (this is very useful when reading files into
web programs…)
$my_array = array(1, 2, 3, 4, 5);
$pizza = "piece1 piece2 piece3 piece4 piece5 piece6";
$pieces = explode(" ", $pizza);
• An array is simply a variable representing a keyed list
•
•
•
•
A list of values or variables
If a variable, that var can also be an array
Each variable in the list has a key
The key can be a number or a text label
25. Arrays
• Arrays are lists, or lists of lists, or list of lists of
lists, you get the idea--Arrays can be multidimensional
• Array elements can be addressed by either by
number or by name (strings)
• If you want to see the structure of an array, use the
print_r function to recursively print an array inside
of pre tags
26. Text versus Keys
• Text keys work like number keys (well,
really, it's the other way around--number
keys are just labels)
• You assign and call them the same way,
except you have to assign the label to the
value or variables, eg:
echo "$my_text_array[third]";
$my_text_array = array(first=>1, second=>2, third=>3);
echo "<pre>";
print_r($my_text_array);
echo "</pre>";
27. Walking Arrays
• Use a loop, eg a foreach loop to walk
through an array
• while loops also work for arrays with
numeric keys--just set a variable for the
loop, and make sure to increment that
variable within the loop
$colors = array('red', 'blue', 'green', 'yellow');
foreach ($colors as $color) {
echo "Do you like $color?n";
}
05_arrays.php
28. 05_arrays.php
• You can't echo an
array directly…
• You can walk through
an echo or print() line
by line
• You can use print_r(),
this will show you the
structure of complex
arrays--that output is
to the right, and it's
handy for learning the
structure of an array
Array
(
[1] => Array
(
[sku] => A13412
[quantity] => 10
[item] => Whirly Widgets
[price] => .50
)
[2] => Array
(
[sku] => A43214
[quantity] => 142
[item] => Widget Nuts
[price] => .05
)
29. Multidimensional Arrays
• A one dimensional array is a list, a spreadsheet or other columnar data
is two dimensional…
• Basically, you can make an array of arrays
$multiD = array
(
"fruits" => array("myfavorite" => "orange", "yuck" =>
"banana", "yum" => "apple"),
"numbers" => array(1, 2, 3, 4, 5, 6),
"holes"
=> array("first", 5 => "second", "third")
);
• The structure can be built array by array, or declared with a single
statement
• You can reference individual elements by nesting:
echo "<p>Yes, we have no " . $multiD["fruits"]["yuck"] . "
(ok by me).</p>";
01a_arrays.php
30. Getting Data into arrays
• You can directly read data into individual
array slots via a direct assignment:
$pieces[5] = "poulet resistance";
• From a file:
• Use the file command to read a delimited file
(the delimiter can be any unique char):
$pizza = file(./our_pizzas.txt)
• Use explode to create an array from a line
within a loop:
$pieces = explode(" ", $pizza);
31. The Surface
• The power of php lies partially in the wealth of
functions---for example, the 40+ array functions
• array_flip() swaps keys for values
• array_count_values() returns an associative array of all
values in an array, and their frequency
• array_rand() pulls a random element
• array_unique() removes duppies
• array_walk() applies a user defined function to each
element of an array (so you can dice all of a dataset)
• count() returns the number of elements in an array
• array_search() returns the key for the first match in an
array
08_array_fu.php
32. Using External Data
• You can build dynamic pages with just the
information in a php script
• But where php shines is in building pages
out of external data sources, so that the web
pages change when the data does
• Most of the time, people think of a database
like MySQL as the backend, but you can
also use text or other files, LDAP, pretty
much anything….
33. Standard data files
• Normally you'd use a tab delimited file, but you can
use pretty much anything as a delimiter
• Files get read as arrays, one line per slot
• Remember each line ends in n, you should clean
this up, and be careful about white space
• Once the file is read, you can use explode to break
the lines into fields, one at a time, in a loop….
34. Standard data files
• You can use trim() to clean white space and
returns instead of str_replace()
• Notice that this is building an array of arrays
$items=file("./mydata.txt");
foreach ($items as $line)
{
$line = str_replace("n", "", $line);
$line = explode("t", $line);
// do something with $line array
}
36. 06_more_arrays.php
• This is a simple script to read and process a text
file
• The data file is tab delimited and has the column
titles as the first line of the file
37. How it works
• The script uses the first line to build text labels for
the subsequent lines, so that the array elements
can be called by the text label
• If you add a new column, this script
compensates
• Text based arrays are not position dependent…
• This script could be the basis of a nice function
• There are two version of this, calling two different
datafiles, but that's the only difference
39. Alternative syntax
• Applies to if, while, for, foreach, and switch
• Change the opening brace to a colon
• Change the closing brace to an endxxx
<?php
statement
<?php if ($a == 5): ?>
A is equal to 5
<?php endif; ?>
if ($a == 5):
echo "a equals 5";
echo "...";
else:
echo "a is not 5";
endif;
?>
07