Tài liệu PHP and MySQL by Example- P3 ppt

... $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 ... conditions, and both conditions must be met. You must have the money and I must have the time. PHP uses the symbol && [2] to represent the word AND. This operator is...

Ngày tải lên: 24/12/2013, 03:17

... become a string and can be handled with printf(). PHP also provides two special functions, the number_format() function and the money_format() function. The number_format() Function PHP provides ... 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...

Ngày tải lên: 24/12/2013, 03:17

... $colors=array("red","green","blue","yellow"); $random= array_rand($colors); // Returns a random color $random= array_rand($colors, 2); // Returns two random colors print $colors[$random_keys[0]]; print $colors[$random_keys[1]]; ... Sorting by keys. Output from Example 8.34. 8.1.12. Randomizing an Array Randomizing an array means that you can se...

Ngày tải lên: 21/01/2014, 09:20

... “Files and Directories,” we talk about files and how to open and close them, read from them and write to them, copy them, lock them, upload them, compress them, and more, all from within a PHP ... Explanation 1 Grant%read,%write, %and% execute%to%the%owner,%read %and% execute%to%the%group %and% the%others%(world). 2 Set%all%to%read,%write, %and% execute%on%all%files %and%...

Ngày tải lên: 21/01/2014, 09:20

... argument and returns TRUE if the filename exists and is readable. If the PHP script is being executed by the server, the server’s permissions (usually limited) determine whether or not the PHP program ... to manipulate and extract text. It supports regular expressions and regular expression metacharacters to make pattern matching relatively easy and quick. PHP has mimicke...

Ngày tải lên: 21/01/2014, 09:20

... #$%!ob_end_flush()!&36+*',6!')!6,*!6%+%))1(.<!@3*!')!3)%8!$%(%!*,!&23)$!,3*!*$%! @3&&%()!168!%68!*$%!,3*43*!@3&&%('69!&,(!*$')!)%))',65 Output Buffering and php. ini If you want buffering set for all your PHP scripts, you can enable the php. ini directive output_buffering. If you do, every PHP script will behave as if...

Ngày tải lên: 21/01/2014, 09:20

... manage logging in and out of your site, use links and hidden fields to pass session information back and forth, and so on. What are the pros and cons of cookies versus sessions and vice versa? ... Building an Art Gallery A.1. Project Overview To build a complete PHP/ MySQL Web page, we summarize the concepts covered in PHP and MySQL by Example with a real-world exa...

Ngày tải lên: 26/01/2014, 09:20

... accepts .php, .php3 , and .phtml as valid extensions to PHP script names. From the Apache httpd.conf file: AddType application/x-httpd -php .php AddType application/x-httpd -php .php3 AddType ... 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?...

Ngày tải lên: 24/12/2013, 03:17

... bgcolor="yellow"><font size="+1"> < ?php 1 $husband = "Honey"; // Assign the value "Honey" to $husband 2 $son = & $husband; // Assign a reference to $son. // Now ... covers PHP s rich set of operators and how to use them to manipulate data; for example, how to perform arithmetic on numbers, compare strings and numbers, test...

Ngày tải lên: 24/12/2013, 03:17

... special significance and those characters are represented by HTML entities, special symbols starting with an ampersand and terminated with a semicolon; for example, the < and > symbols are ... 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!look...

Ngày tải lên: 21/01/2014, 09:20