... 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...
... 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...
... 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...
... $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...
... 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...
... 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)
{...
... 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...
... 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...
... 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...
... 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...