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 33Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark.34Chapter 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){$this->my_var ... purchase PDF Split-Merge on www.verypdf.com to remove this watermark.38Chapter 2 Object-Oriented PHP < ?php class base_class{var $var1;function base_class ($value){$this->var1 = $value;}function...

Tài liệu Zend PHP Certification Study Guide- P1 ppt

... 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. Asdirector of training and certification, Daniel is responsible for the Zend PHP Certification program. In addition to designing the certification ... capabilities with PHP. Moreover, the need for PHP developers to have an “official blessing” of their PHP skillsis on the rise as the market becomes more competitive.The Zend PHP Certification program...

Tài liệu Zend PHP Certification Study Guide- P2 ppt

... 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 StartedThe basic element of a PHP application is the script. A PHP script contains a number ofcommands that the PHP interpreter ... promote maximum flexibility, PHP supports three different sets of tags:n PHP opening (< ?php) and closing (?>) tagsnHTML-style tags (<script language= php > and </script>)n“Short”...

Tài liệu Zend PHP Certification Study Guide- P4 pdf

... state. PHP makes all of this easy with its built-in sessions.To initiate PHP s sessions, simplyinclude 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 executes before PHP. D. ... incor-rect because PHP executes before JavaScript.2. Is it possible to pass data from JavaScript to PHP? A. Yes, but not without sending another HTTP request.B. Yes, because PHP executes before...

Tài liệu Zend PHP Certification Study Guide- P5 ppt

... 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 $array = array (1 => 10,‘test’ => ‘a test string’,200);if (array_key_exists ($array, ... KeysThe array_change_key_case()function can be used to change the case of an array’skeys:< ?php $array = array (1 => 10,‘test’ => ‘a test string’,200);$arr_2 = array_change_key_case...

Tài liệu Zend PHP Certification Study Guide- P6 ppt

... $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 ... whereasksort() sorts in ascending order and reverse_sort() is not a PHP function.3. What will the following script output?< ?php $a = array (‘a’ => 20, 1 => 36, 40);array_rand ($a);echo ... old.”;When variables are placed inside a double-quoted string, they are automatically expand-ed. PHP knows how to convert numbers into strings as well, so $age is correctlyexpanded as well.Occasionally,...

Tài liệu Zend PHP Certification Study Guide- P7 ppt

... day-to-day skill for many PHP programmers.You will learn how to generate times from various date formats and multiple ways offormatting dates in strings.How PHP Handles DatesIn PHP, you deal with ... dates in PHP nGetting the current datenConverting a string into a datenFormatting dates and timesIn this chapter, you will learn how to parse and manipulate dates and times in PHP. Handling ... flock() instructs PHP toA. Return immediately if someone else is holding the lock.B. Block indefinitely until the lock is available.C. Block for a number of seconds dictated by the php. ini settingflock.max_wait...

Zend PHP Certification Study Guide- P8

... 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.131Preparing PHP When this happens, you must install a sendmail wrapper, and then recompile PHP. Once PHP is compiled with sendmail support enabled, whenever your script sendsemail, PHP will use ... sendmail_pathin php. inito point to thesendmailcommand that you want PHP to use.sendmail_path = ‘/usr/local/bin/sendmail’If You Are Using PHP on Windows or NetwareAlthough not documented in the PHP...

Zend PHP Certification Study Guide- P9

... through PHP to your script.Your PHP ScriptFilesystem FunctionsFile WrappersBuilt-In Wrappers User-Defined WrappersNetwork ProtocolsLocal FilesFigure 10.1 Accessing a file in PHP. PHP comes ... file.When your PHP script needsto work with a file, you use one of the filesystem functions that PHP provides.These filesystem functions hand the work off to the file wrappers. PHP chooses the ... wrappers are pieces of code that PHP uses to read from and write to different typesof files.They are part of PHP s Streams architecture.File wrappers allow you to use PHP s built-in filesystem functions...

Zend PHP Certification Study Guide- P10

... theold PHP process will have terminated.Your persistent socket will have been closedautomatically by PHP when your script finished running.nIf 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 forgotto list the status codes, you can be sure that a helpful PHP user has addedthem somewhere.B. ... that a PHP script can opento those with the same ownership as the PHP script itself.This can help to prevent peo-ple from casually browsing the entire filesystem using a specially crafted PHP...

Xem thêm