A Programmer’s Introduction to PHP 4 0 phần 2 ppsx
A Programmer’s Introduction to PHP 4.0 phần 2 ppsx
... ends.Variables and Data Types 43 Gilmore _ 02 12 /4/ 00 1: 04 PM Page 43 Variable VariablesOn occasion it is useful to make use of variables whose contents can be treateddynamically as a variable ... complexity.Gilmore _03 12 /4/ 00 1: 04 PM Page 68Global VariablesIn contrast to local variables, a global variable can be accessed in any part of theprogram. However, in order to be modified, a global variable ... strings, arrays, objects, booleans)• IdentifiersVariables and Data Types53Gilmore _ 02 12 /4/ 00 1: 04 PM Page 53Table 3- 10. Bitwise OperatorsEXAMPLE LABEL OUTCOME $a & $b And And together each...
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A Programmer’s Introduction to PHP 4.0 phần 1 docx
... listing:Chapter 1 28 Gilmore _01 12/ 5 /00 10: 22 AM Page 28 Part 1The BasicsGilmore _01 12/ 5 /00 10: 22 AM Page 1Today, PHP is extremely feature rich.We rely on it for just about every cus-tom web ... that you need to make:[(H2L)]18Gilmore _01 12/ 5 /00 10: 22 AM Page 18 A Programmer’s Introduction to PHP 4. 0 W. J. GilmoreGilmore _00 FM 12/ 5 /00 2: 19 PM Page iClass and Object Functions . . . ... directory in the path thatAn Introduction to PHP 15Gilmore _01 12/ 5 /00 10: 22 AM Page 15existing PHP toolset resulted in PHP 2 .0, or PHP- FI (Personal Home Page—FormInterpreter). This 2 .0 release...
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A Programmer’s Introduction to PHP 4.0 phần 3 ppt
... real taste of datastorage, paving the way to more content-oriented and ultimately interesting ap-plications.Chapter 4 92 Gilmore_ 04 12 /4/ 00 1: 04 PM Page 92 // $great_labels = array ("Australia", ... returned value is associated with the keys 1and value.Chapter 51 04 Gilmore _05 12/ 5 /00 10: 23 AM Page 1 04 A call to a variable function is nothing more than a variable name followed by a set of parentheses. ... to N arrays together, appending each to another in the order in which they appear as input parameters. The function’ssyntax is:array array_merge (array array1, array array2, . . ., array arrayN)The...
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A Programmer’s Introduction to PHP 4.0 phần 4 pps
... 6-5.Chapter 61 32 NOTE Keep in mind that although a class can inherit characteristics from a chain of parents, the parents’ constructors are not called automaticallywhen you instantiate an object ... conversion, particularlywhen you have a large group of HTML files similarly formatted.Chapter 71 52 Gilmore _07 12 /4/ 00 1 :06 PM Page 1 52 Here’s how you would parse out the base name of a path:$path = ... athttp://sunsite.auc.dk/linux-newbie/FAQ2.htm. Section 3 .2. 6 in particularaddresses group, ownership, and permission issues.Gilmore _07 12 /4/ 00 1 :06 PM Page 1 62 Once instantiated, the object $nissan has at its disposal all of...
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A Programmer’s Introduction to PHP 4.0 phần 5 pot
... LinkingJust as a link can be used to direct a user to an HTML page, it can be used to lead to a PHP- enabled page, as shown here:< ;a href = "date .php& quot;>View today's date< /a& gt; 21 3Gilmore _09 ... POSIXsection.MetacharactersAnother cool thing you can do with Perl regexps is use various metacharacters to search for matches. A metacharacter is simply an alphabetical character precededby a backslash that acts to ... get_meta_tags() function will search an HTML file for what are known asMETA tags.META tags are special descriptive tags that provide information, primarily to search engines, about a particular page....
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A Programmer’s Introduction to PHP 4.0 phần 6 potx
... build make use of database information to display content, there are always a few pages that aren’t going to change much. PHP and Dynamic Site Development 22 5Gilmore _09 12 /4/ 00 1 :07 PM Page 22 5<td ... the email address is of valid syntaxif (! @eregi('^ [0- 9a- z]+'.'@'.'( [0- 9a- z-]+\.)+'.'( [0- 9a- z]) {2 ,4} $', $email)) :Forms 24 9 Gilmore_ 10 12/ 5 /00 2: 23 PM ... querying: SQL can retrieve data in the database and present it in aneasily readable format.• Data manipulation: SQL can insert, update, and delete database data.• Data access control: SQL makes it...
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A Programmer’s Introduction to PHP 4.0 phần 7 pptx
... following table would be shown:Order ID Customer ID Product ID Quantity 100 005 20 0 0cu 100 2pr 11 100 0 04 20 0 2cu 100 0pr 9 100 003 20 0 0cu 100 0pr 12 100 0 02 20 0 3cu 100 1pr 5 100 001 20 0 1cu 100 2pr 3As you can ... 100 2pr 11 100 0 04 20 0 2cu 100 0pr 9 100 0 02 20 0 3cu 100 1pr 5 100 001 20 0 1cu 100 2pr 3Notice that there are four links shown as table headers. Since Quantity is des-ignated as the default sorting attribute, ... information retrieved from the company database (Figure 11-1),the default table displayed by Listing 11-6 follows.Order ID Customer ID Product ID Quantity 100 003 20 0 0cu 100 0pr 12 100 005 20 0 0cu 100 2pr...
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A Programmer’s Introduction to PHP 4.0 phần 8 pps
... href="index .php? letter=e">E< /a& gt; | < ;a href="index .php? letter=f">F< /a& gt; | Chapter 12 3 12 Gilmore_ 12 12 /4/ 00 1 :08 PM Page 3 12 Gilmore_ 12 12 /4/ 00 1 :08 PM Page 3 20 A second point to make about Listing ... for a storage media would be a database, since this also facilitates useful features suchas searching and ordering data. I’ll use a MySQL database to store the addressinformation. The table ... Internet Explorer, the same cookie would be stored as:bgcolorbluelocalhost /php4 /php. exe/book/13/ 0 21 548 87 04 0 29 3 743 85 522 62 5 40 8 29 3 743 77* To correctly view a cookie stored by Internet Explorer,...
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A Programmer’s Introduction to PHP 4.0 phần 9 ppt
... 12/ 5 /00 10: 25 AM Page 373function defaultHandler(int parser, string data) {…}The input parameter parser refers to the XML parser handler, and data to thecharacter data that will be handled ... 12/ 5 /00 10: 26 AM Page 397Gilmore_ 14 12/ 5 /00 10: 25 AM Page 3 90 Internal EntitiesInternal entities are used much like string variables are, correlating a name with a piece of text. For example, ... section.Gilmore_15 12/ 5 /00 10: 26 AM Page 40 0 CHAPTER 14 PHP and XMLIt can hardly be argued that the Web has not vastly changed the landscape onwhich we share information. The sheer vastness of this...
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A Programmer’s Introduction to PHP 4.0 pptx
... The configuration file is entitled php3 .ini in the 3 .0 version but hasbeen changed to php. ini in the 4. 0 version.Gilmore _01 12/ 5 /00 10: 22 AM Page 20 Gilmore _01 12/ 5 /00 10: 22 AM Page 2 • Efficiency• ... otherwise, make it a habit to always do so.track_varsChapter 1 22 Gilmore _01 12/ 5 /00 10: 22 AM Page 22 Chapter 7, “File I/O and the File System,” delves into one of PHP s noted fea-tures, manipulation ... Start the Apache serverusing the following command:./bin/apachectl startVoilà! PHP and Apache are now ready for use.Chapter 1 16Gilmore _01 12/ 5 /00 10: 22 AM Page 16Gilmore _00 FM 12/ 5 /00 2: 19...
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