... The __construct name for constructors was added in PHP 5.0. If you have an
earlier version of PHP, the constructor will have the same name as the class, but
is still a ... you want to make a parameter
optional in any PHP function, assign a default value to the parameter, as I have
done here. This is a sneaky way that PHP achieves polymorphism.
Creating a Property ... has methods with w...
... implementations.
PHP in the Enterprise
When I started programming PHP professionally in 1999, PHP was just starting its
emergence as more than a niche scripting language for hobbyists.That was the time of
PHP ... 21, “Extending PHP: Part I”
Chapter 21 is a comprehensive introduction to writing PHP extensions in C. It covers
porting existing PHP code to C and writing extensions to...
... in PEAR, and is available at http://pear .php. net/package/
Benchmark.
n
Advanced PHP Debugger (APD)—APD was developed by Daniel Cowgill
and me. APD is a PHP extension-based profiler that overrides ... www.verypdf.com to remove this watermark.
V
Extensibility
20 PHP and Zend Engine Internals
21 Extending PHP: Part I
22 Extending PHP: Part II
23 Writing SAPIs and Extending the Zend Eng...
... application/x-httpd -php4 .php4 .php
AddType application/x-httpd -php4 -source .phps
Action application/x-httpd -php4 /cgi-bin /php
DirectoryIndex index.html index.shtml index.cgi index .php4 index .php
AddIcon ... 4—Say Hello to PHP. This chapter introduces you to the PHP language
itself. You will learn the basic points of PHP, such as how to create a PHP page,
how to declare...
... to get confused by the way
PHP handles global variables. In most languages, any variable created at the main
level is automatically available to every function. In PHP, you must explicitly
request ... true because all the variables automatically created by PHP (such as
those coming from forms) are generated at the main level. You must tell PHP
TRICK
IN THE REAL WORLD
If you’re an exper...
... this form. The quiz system has multiple levels of security. Anybody can get
to the quizBuilder .php page. However, to move to one of the other pages, the
user must have the right kind of password. ... variables interpolated into the appropriate places:
print <<<HERE
<form action = “writeQuiz .php
method = “post”>
<table border = 1>
<tr>
<th>Quiz Name</th&...
... structure in SQL, and then writes
a program in some other language (such as PHP) to allow access to that data. The
PHP program can then formulate data requests or updates, which are passed on
to ... management systems are available, but the
MySQL environment is especially well suited to working with PHP.
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