Tài liệu PHP and MySQL by Example- P16 docx

... have successfully installed and configured PHP and MySQL. A.4.1. Where to Find the Files for the Canvas Gallery Site To install the PHP files on your computer, unzip and copy the entire art gallery ... project was to give you a chance to see the features of both PHP and MySQL working together as a team as described in Chapter 15, PHP and MySQL Integration.” Although th...

Ngày tải lên: 26/01/2014, 09:20

... Why!was !PHP! developed,!what!it!is!used!for, !and! where!can!you!get!it?! 4. What!is !MySQL! used!for !and! where!can!you!get!it?! 5. What!are!the!benefits!of!using !PHP! and! MySQL? ! 6. Why!do !PHP! and! MySQL! work!well!together?! ... watermark. 1.3.4. Advantages of MySQL and PHP Certain technologies play together better than others. PHP, a simple and powerful scripting l...

Ngày tải lên: 24/12/2013, 03:17

... ! PHP provides additional metasymbols to represent a character class. The symbols \d and \D represent a single digit and a single nondigit, respectively (the same as [0-9] and [^0-9]); \w and ... occurrences; two numbers separated by a comma (e.g., {3,10}), represents an inclusive range; and a number followed by a comma (e.g., {4,}), represents a number of characters and...

Ngày tải lên: 21/01/2014, 09:20

... fgets($filehandle); // Reads a character from file attached to $filehandle $char = fgetc($filehandle); // Reads chunk of bytes from file attached to $filehandle $text = fread($filehandle, $bytes ... a script and within functions. They are special variables provided by PHP to help you manage HTML forms, cookies, sessions, and files, and to get information about your environmen...

Ngày tải lên: 24/12/2013, 03:17

... $x and $y and $z; echo "$x and $y and $z <em>yields</em> " . (int)$result .".\n<br />"; 4 $result = ($x and $y and $z); echo "($x and $y and ... About PHP Operators and Expressions Data objects can be manipulated in a number of ways by the large number of operators provided by PHP. Operators are symbols, such as +,...

Ngày tải lên: 24/12/2013, 03:17

... Because PHP uses the ASCII collating sequence, an uppercase “A” is represented as decimal 65 and an uppercase “B” as decimal 66, and so on. On the other hand, a lowercase “a” is 97 and a lowercase ... delimiter and returns an array. The implode() function takes an array and joins the elements together to form a string. Because these functions require that you understand PHP...

Ngày tải lên: 24/12/2013, 03:17

... The!HTML!submit!input!type!is!given!a!name,!submit_fare,!that!will!be!used!in! the!following !PHP! script. 4 The!opening !PHP! tag!tells !PHP! to!start!processing. 5 Now!we!are!looking!at!the !PHP! instructions.!If!the!user!pressed!the!submit! button,!this!file!will!execute. !PHP! will!store!the!names!of!the!input!devices!in! variables,!$age !and! $submit_fare.!This!conditional!expressio...

Ngày tải lên: 21/01/2014, 09:20

... Modifying a Value by Reference with a foreach Loop As of PHP 5, you can easily modify an array’s elements by preceding the value after the as keyword with &. This will assign by reference instead ... this watermark. 8.1.8. Extracting Keys and Values from Arrays PHP provides functions that allow you to extract elements from an array and assign the keys and values to vari...

Ngày tải lên: 21/01/2014, 09:20

... Arrays !and! Strings explode() Splits!up!a!string !by! a!specified!delimiter !and! creates !and! array!of!strings!(see!page!276). implode() Glues!the!elements!of!an!array!together !by! some!delimiter !and! creates!a!string!(see!page!276). ... program. PHP starts executing the instructions in the function, and when finished, returns to the main program and picks up where it left...

Ngày tải lên: 21/01/2014, 09:20

... require('C:\pub\library\file .php& apos;) or include('/usr/htdocs/file .php& apos;). Just like require() and include(), the require_once() and include_once() statements, respectively, include and evaluate ... a good handle on functions, it is time to talk about how PHP and HTML work together when producing forms. In Chapter 10, “More on PHP Forms,” you will see a num...

Ngày tải lên: 21/01/2014, 09:20