Tài liệu Zend PHP Certification Study Guide- P3 docx

... script? < ?php $a = “1”; echo $x; ?> 02 7090 ch01 7/16/04 8:44 AM Page 33 Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. 34 Chapter 1 The Basics of PHP A. (int) ... some com- mon trait and can be encapsulated in a single structure. In PHP, a class is declared using the class construct: < ?php class my_class { var $my_var; function my_class ($var) {...

Ngày tải lên: 26/01/2014, 11:20

... of one’s PHP skills. This is exactly where this book comes into the picture. Zend PHP Certification Study Guide has been written by some of the same people who designed the Zend PHP Certification. ... training and certification at Zend Technologies. As director of training and certification, Daniel is responsible for the Zend PHP Certification program. In addition to...

Ngày tải lên: 26/01/2014, 11:20

... file that we will call includefile .php: < ?php echo ‘You have included a file’; ?> Next, we’ll move on to mainfile .php: < ?php include ‘includefile .php ; echo ‘I should have included a ... aspects of PHP development in order to successfully pass the exam. Getting Started The basic element of a PHP application is the script. A PHP script contains a number of commands that...

Ngày tải lên: 26/01/2014, 11:20

... state. PHP makes all of this easy with its built-in sessions.To initiate PHP s sessions, simply include the following function call on any PHP page: session_start(); If you are using the default php. ini, ... data from PHP to JavaScript? A. No, because PHP is server-side, and JavaScript is client-side. B. No, because PHP is a loosely typed language. C. Yes, because JavaScript exec...

Ngày tải lên: 26/01/2014, 11:20

... to directly determine whether an element of an array exists. The simplest is to use is_set: < ?php $array = array ( 1 => 10, ‘test’ => ‘a test string’, 200 ); if (isset ($array[2])) { echo ... it’s already been set. Another possibility consists of using the array_key_exists() function: < ?php $array = array ( 1 => 10, ‘test’ => ‘a test string’, 200 ); if (array_key_exists...

Ngày tải lên: 26/01/2014, 11:20

... $subject); This code will convert addresses such as ‘license @php. net’ to ‘license at php. net’. Splitting Strings into Components PHP provides you three main options for taking a string and separating ... whereas ksort() sorts in ascending order and reverse_sort() is not a PHP function. 3. What will the following script output? < ?php $a = array (‘a’ => 20, 1 => 36, 40); arra...

Ngày tải lên: 26/01/2014, 11:20

... day-to-day skill for many PHP programmers. You will learn how to generate times from various date formats and multiple ways of formatting dates in strings. How PHP Handles Dates In PHP, you deal with ... dates in PHP n Getting the current date n Converting a string into a date n Formatting dates and times In this chapter, you will learn how to parse and manipulate dates and times in P...

Ngày tải lên: 26/01/2014, 11:20

... Email < ?php // who is the email going to? // change this to be *your* email address ;-) $to = “stuart”; // what is the URL of the image? $image = http://static .php. net/www .php. net/images /php. gif; // ... watermark. 131 Preparing PHP When this happens, you must install a sendmail wrapper, and then recompile PHP. Once PHP is compiled with sendmail support enabled, whenever your...

Ngày tải lên: 17/10/2013, 21:15

... through PHP to your script. Your PHP Script Filesystem Functions File Wrappers Built-In Wrappers User-Defined Wrappers Network ProtocolsLocal Files Figure 10.1 Accessing a file in PHP. PHP comes ... file.When your PHP script needs to work with a file, you use one of the filesystem functions that PHP provides.These file system functions hand the work off to the file wrappers. PHP...

Ngày tải lên: 20/10/2013, 14:15

... the old PHP process will have terminated.Your persistent socket will have been closed automatically by PHP when your script finished running. n If you are using mod _php, or a FastCGI version of PHP ... or more of the following: A. The PHP Manual. It’s well annotated, so even if the PHP developers forgot to list the status codes, you can be sure that a helpful PHP user has added t...

Ngày tải lên: 20/10/2013, 14:15