học php từ cơ bản đến nâng cao

... Stopwords 457 D MySQL Functions 461 E Using PEAR and PHPUnit 473 Index 485 xii | Table of Contents Trang 5The combination of PHP and MySQL is the most convenient approach to dynamic, ... section, you will gain a grounding in the PHP programming language, covering the basics of syntax, arrays, functions, and object-oriented programming Then, with PHP under your belt, you will move on ... technology known as Ajax will obtain a thorough grounding in all three of the core technologies: PHP, MySQL, and JavaScript Assumptions This Book Makes This book assumes that you have a basic understanding

Ngày tải lên: 05/07/2014, 19:21

... file incor-porating PHP scripting and passes the page to the PHP interpreter 7 The PHP interpreter executes the PHP code 8 Some of the PHP contains MySQL statements, which the PHP interpreter now ... Wednesday How are you? Trang 6PHP is a flexible language, and some people prefer to place the PHP construct directly next to PHP code, like this: Hello World Today is <?php echo date("l"); ... When PHP allies with MySQL to store and retrieve this data, you have the fundamental parts required for the development of social networking sites and the beginnings of Web 2.0 Using PHP With PHP,

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... MAMP, and LAMP are abbreviations for “Windows, Apache, MySQL, and PHP,” “Mac, Apache, MySQL, and PHP,” and “Linux, Apache, MySQL, and PHP.” These abbreviations describe a fully functioning setup used ... is conflicting with EasyPHP 14 | Chapter 2: Setting Up a Development Server Trang 5Figure 2-1 You can download EasyPHP via the site’s main pageFigure 2-2 Accessing EasyPHP’s controls from the ... WAMP But if you encountered any difficulties, check out the comprehensive EasyPHP FAQ at http://easyphp.org/faq.php, which should sort out your problem Alternative WAMPs When software is updated,

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... page of information all about your installation of PHP (see Figure 2-12) You should also ensure that MySQL is correctly installed: click on the “phpMyAdmin” button and you’ll be presented with a ... testing, as well as function descriptions and much more Figure 2-18 shows the popular phpDesigner IDE with a PHP program loaded into the main frame, and the righthand Code Explorer listing the ... Development Server Trang 3Figure 2-11 The MAMP—working and displaying the test pageFigure 2-12 PHP, properly installed and running Trang 4Some Final TweakingWhen you visit a site such as google.com,

Ngày tải lên: 05/07/2014, 19:21

... ✓ ✓ phpDesigner http://mpsoftware.dk $86 ✓ PHPEclipse http://phpeclipse.de Free ✓ ✓ ✓ Zend Studio http://zend.com/en/downloads $500 ✓ ✓ ✓ Figure 2-18 When using an IDE such as phpDesigner, PHP ... 2) as test1.php. Figure 3-2 You can think of variables as matchboxes containing items 38 | Chapter 3:  Introduction to PHP Trang 9Example 3-4 Your first PHP program<?php // test1.php $username ... just writing PHP code and making sure that you get the output you expect—or at least that you under-stand the output you actually get! Incorporating PHP Within HTML By default, PHP documents

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... plus, minus, times, and divide PHP looks a lot like plain arithmetic; for instance, the following statement outputs 8: echo 6 + 2; Before moving on to learn what PHP can do for you, take a moment ... == 10) echo $x; This tells PHP to first increment the value of $x and then test whether it has the value 10; if it does, output its value But you can also require PHP to increment (or, in the ... mark to tell PHP to treat the character literally and not to interpret it: $text = 'My sister\'s car is a Ford'; And you can perform this trick in almost all situations in which PHP would otherwise

Ngày tải lên: 05/07/2014, 19:21

... root directory (Added in PHP 5.3.0.) FUNCTION The function name (Added in PHP 4.3.0.) As of PHP 5, returns the function name as it was declared (case-sensitive) In PHP 4, its value is always ... name (Added in PHP 4.3.0.) As of PHP 5, returns the class name as it was declared (case-sensitive) In PHP 4, its value is always lowercased. METHOD The class method name (Added in PHP 5.0.0.) ... Trang 1Predefined constantsPHP comes ready-made with dozens of predefined constants that you generally will be unlikely to use as a beginner to PHP However, there are a few—known as

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... detour and carry on driving (see Figure 4-1) The contents of the if condition can be any valid PHP expression, including equality, comparison, tests for zero and NULL, and even the values returned ... Program flow is like a single-lane highway Trang 2Example 4-19 An if statement with curly braces<?php if ($bank_balance < 100) { $money += 1000; $bank_balance += $money; } ?> In this example, ... of the conditional expression; others start a new line with it Either of these is fine, because PHP allows you to set out your whitespace characters (spaces, newlines, and tabs) any way you choose

Ngày tải lên: 05/07/2014, 19:21

... constructor method in PHP 5 <?php class User { function construct($param1, $param2) { // Constructor statements go here } } ?> PHP 5 destructors Also new in PHP 5 is the ability to ... Example 5-14 Creating a constructor method <?php class User { function User($param1, $param2) { // Constructor statements go here } } ?> However, PHP 5 provides a more logical approach to ... 5-16 shows how to create a destructor method Example 5-16 Creating a destructor method in PHP 5 <?php class User { function destruct() { Trang 5 // Destructor code goes here } } ?>

Ngày tải lên: 05/07/2014, 19:21

... “scope” in PHP? Question 5-5 How can you incorporate one PHP file within another? Question 5-6 How is an object different from a function? Question 5-7 How do you create a new object in PHP? Question ... 5-27 Creating a final method <?php class User { final function copyright() { echo "This class was written by Joe Smith"; } } ?> 112 | Chapter 5:  PHP Functions and Objects Trang ... feel for what PHP can do for you You should be able to use functions with ease and, if you wish, write object-oriented code In Chapter 6, we’ll finish off our initial exploration of PHP by looking

Ngày tải lên: 05/07/2014, 19:21

... seen the list and each functions, but PHP comes with numerous other functions for handling arrays The full list is at http://php.net/manual/en/ref.array.php However, some of these functions are ... to turn the key/value pairs from an array into PHP variables One such time might be when processing the $_GET or $_POST variables as sent to a PHP script by a form Trang 6When a form is submitted ... later use In this case, you can have PHP do the job automatically for you: extract($_GET); So, for example, if the query string parameter q is sent to a PHP script along with the associated value

Ngày tải lên: 05/07/2014, 19:21

... a few lines to it Type in Example 7-4 and save it as testfile.php. Example 7-4 Creating a simple text file <?php // testfile.php $fh = fopen("testfile.txt", 'w') or die("Failed ... the PHP copy function to create a clone of testfile.txt Type in Exam-ple 7-7 and save it as copyfile.php, then call the program up in your browser. Trang 10Example 7-7 Copying a file<?php ... format for RSS feeds The PHP format is “D, d M Y H:i:s T” and example output is “Thu, 16 Aug 2012 12:00:00 UTC” DATE_W3C This is the format for “World Wide Web Consortium.” The PHP format is “Y-m-d\TH:i:sP”

Ngày tải lên: 05/07/2014, 19:21

... 7-16, upload2.php, is a rewrite of upload.php. Example 7-16 A more secure version of upload.php <?php // upload2.php echo <<<_END <html><head><title>PHP Form Upload</title></head><body> ... upload.php<?php // upload.php echo <<<_END <html><head><title>PHP Form Upload</title></head><body> <form method='post' action='upload.php' enctype='multipart/form-data'> ... maketest.php 20/01/2011 10:47 198 exec.php 20/01/2011 08:04 13,741 smiley.jpg 19/01/2011 18:01 54 test.php 19/01/2011 16:59 35 testfile.txt 20/01/2011 09:35 886 upload.php 6 File(s)

Ngày tải lên: 05/07/2014, 19:21

... method=post action=post.php> you should instead use <form method='post' action='post.php'> You can also use double quotes: <form method="post" action="post.php"> • The ... 7-6What is the PHP command for deleting the file file.txt? Question 7-7 Which PHP function is used to read in an entire file in one go, even from across the Web? Question 7-8 Which PHP system variable ... installed the EasyPHP WAMP as explained in Chapter 2, you will be able to access the MySQL executable from the following directory: \Program Files\EasyPHP 3.0\mysql\bin If you installed EasyPHP in a place

Ngày tải lên: 05/07/2014, 19:21

... first database, it’s time to look at how you create users, as you probably won’t want to grant your PHP scripts root access to MySQL—it could cause a real headache should you get hacked To create ... Starting MySQL and logging in as jim@localhost OS Example command Windows "\Program Files\EasyPHP 3.0\mysql\bin\mysql" -u jim -p Mac OS X /Applications/MAMP/Library/bin/mysql -u jim -p Linux

Ngày tải lên: 05/07/2014, 19:21

... your browser: http://localhost Accessing MySQL via phpMyAdmin | 195 Figure 8-18. The Windows phpMyAdmin main screen Figure 8-19. The Mac OS X phpMyAdmin main screen 196 | Chapter 8: Introduction ... Click on the phpMyAdmin link in the Tools section of the lefthand pane and you will be ready to proceed with the next section. Using phpMyAdmin In the lefthand pane of the main phpMyAdmin screen, ... http://localhost/MAMP/ Now click on the link titled phpMyAdmin—your browser should look like Figure 8-19. You will now be ready to proceed to the section “Using phpMyAd- min” on page 197. Linux Users Ensure

Ngày tải lên: 05/07/2014, 20:20

... 9-2 Table 9-4 The new Titles table 0596101015 PHP Cookbook 44.99 0596527403 Dynamic HTML 59.99 0596005436 PHP and MySQL 44.95 0596006815 Programming PHP 39.99 As you can see, all that’s left in ... Purch date PHP Cookbook 0596101015 44.99 Emma Brown 1565 Rainbow Road, Los Angeles, CA 90014 Mar 03 2009 Dynamic HTML 0596527403 59.99 Darren Ryder 4758 Emily Drive, Richmond, VA PHP and MySQL ... Thurston 862 Gregory Lane, Frankfort, KY 40601 Jun 22 2009 PHP Cookbook 0596101015 44.99 Darren Ryder 4758 Emily Drive, Richmond, VA Programming PHP 0596006815 39.99 David Miller 3647 Cedar Lane, Waltham,

Ngày tải lên: 05/07/2014, 20:20

... to set up a PHP program to run regularly and keep all copies in sync The program reads changes from a “master” table and updates all the others (You’ll see how to access MySQL from PHP in the ... different installations Operating system & program Likely folder location Windows EasyPHP WAMP \Program Files\EasyPHP 3.0\mysql\bin\ Mac MAMP /Applications/MAMP/Library/bin/ Linux LAMP /usr/local/bin/

Ngày tải lên: 05/07/2014, 20:20

... save it in the same folder as login.php and give it the name query.php. Example 10-5 Fetching results one cell at a time <?php // query.php require_once 'login.php'; $db_server = mysql_connect($db_hostname, ... matter how many PHP files access MySQL. 226 | Chapter 10:  Accessing MySQL Using PHP Trang 7Connecting to MySQLNow that you have the login.php file saved, you can include it in any PHP files that ... 10-1 The login.php file <?php // login.php $db_hostname = 'localhost'; $db_database = 'publications'; $db_username = 'username'; $db_password = 'password'; ?> The enclosing <?php and ?>

Ngày tải lên: 05/07/2014, 20:20

... database interaction. Trang 3Example 10-8 Inserting and deleting using sqltest.php<?php // sqltest.php require_once 'login.php'; $db_server = mysql_connect($db_hostname, $db_username, $db_password); ... out of PHP using ?> , issue the HTML, and then reenter PHP processing with <?php Whichever style used is a matter of programmer preference, but I always recommend staying within PHP code ... other users) that everything within a php file is PHP code Therefore, there is no need to go hunting for dropouts to HTML. • When you wish to include a PHP variable directly within HTML, you

Ngày tải lên: 05/07/2014, 20:20