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    Introduction to PHP, Part 2, Second Edition
    Introduction to PHP, Part 2, Second Edition
    Introduction to PHP, Part 2, Second Edition
    Ebook79 pages36 minutes

    Introduction to PHP, Part 2, Second Edition

    By Adam Majczak

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    About this ebook

    This Second Edition is updated and improved. It is a continuation of the "Introduction to PHP, Part 1, Second Edition". This Part )2) describes PHP Arrays and PHP Functions, Intermixing with JavaScript.

    LanguageEnglish
    PublisherAdam Majczak
    Release dateFeb 23, 2015
    ISBN9781310662676
    Introduction to PHP, Part 2, Second Edition

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      Book preview

      Introduction to PHP, Part 2, Second Edition - Adam Majczak

      Introduction to PHP

      Part II

      Adam Majczak

      C. Adam Majczak, 2015, All Rights Reserved

      Smashwords: Second English Edition

      (improved and updated)

      E-Edition, License Notes

      This e-book is licensed for your personal use only. This e-book may not be re-sold or given away to others. To share this book with another person, please purchase an additional copy for each recipient.

      While every precaution has been taken in the preparation of this book, the publisher and the author assume no responsibility for errors or omissions, or any for damages resulting from any use of the information contained herein.

      ENGLISH EDITION

      CONTENTS:

      PART 2:

      CHAPTER 5: Array processing

      Character strings as 1D arrays

      Mixed arrays

      Multi-dimensional arrays

      Internal pointer and some useful functions

      CHAPTER 6: When we need conditional statements and loops

      If statement (if-elseif-else) and switch-case statement

      The while and do-while loops

      The for and foreach loops

      The break, continue and goto keywords

      Filtering mask with binary operators

      CHAPTER 7: PHP functions

      Argument passing by value and using default values

      Variable argument list

      Anonymous functions

      Arrays as arguments and return values

      Argument passing by reference

      Returning an array or modifying values by reference

      Locals vs. globals

      Variable scope in PHP vs. JavaScript

      Math functions

      Searching and sorting

      Quick binary search

      PHP runtime-created functions

      Generators

      PART 1:

      Why IT books should be updated?

      CHAPTER 1: Introduction to the e-book edition

      What is PHP?

      What is a PHP File?

      How to install a PHP interpreter?

      How to test local configuration?

      How to use PHP based on Command Line Interface (CLI)?

      How to run PHP on a remote server?

      Compileonline.com: PHP Page vs. PHP Web View Page

      Text output – codepad.org

      Embedding PHP

      Comments in PHP and including files

      CHAPTER 2: PHP variables and constants

      Variable names and values

      Case sensitivity

      Error messages and warnings

      Data types in PHP

      Using constants in PHP

      Integer data type

      Floating-point numbers

      Bool type (Boolean values)

      Null type variable and type checking in PHP

      Dynamic variables

      CHAPTER 3: Operators

      Arithmetic operators

      Assignment operator and combined operators

      Comparison operators

      Logical operators

      Type cast forcing

      Conditional statements (preview)

      Base converting functions and bitwise operators

      Operator precedence

      The ternary operator

      CHAPTER 4: PHP Arrays at a glance

      Numeric indexed arrays, runtime array size change

      Associative arrays

      How to add new key => value pairs to associative arrays?

      How to format output data?

      Since 2013 PHP was improved and updated. In this new (improved and updated) edition I am using some new tools available online. Code examples was also checked, updated and improved. This edition includes also new PHP features (for example: generators) to become more complete.

      CHAPTER 5: Array processing

      Character strings as 1D arrays

      Characters and their ASCII codes can be mutually converted in PHP using PHP native functions ord() and

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