speaker: hsiang-ting fang 1. what is php. history of php. variables data type examples*4 reference...
TRANSCRIPT
Speaker: Hsiang-Ting Fang
1
What is PHP.
History of PHP.
Variables
Data type
Examples*4
Reference
Exercise*3
2
PHP: Hypertext Preprocessor.
Scripting language.
Can be embedded into HyperText Markup Language ( HTML) .
Server-client structure.
3[1]
PHP/FI Created by Rasmus Lerdorf in 1995 Personal Home Page Tools Perl script
PHP2 PHP: Hypertext Preprocessor C language
4
Must start with “$”.
Other name rules are the same as C.
External variable
GET/POST COOKIE SESSION
Internal variable
phpinfo(); SERVER
5
Support these data type
6
Data type How to use
Integer $a = 123;$a = 0123; // Octal$a = 0x12; // Hex
Float $a = 1.234;$a = 1.2e3;
Array $b[0][] = 567.8;$c = array(9, 10, 'A');
String $a = ‘Hello World.’;$a = “Hello world!” ;
Object class foo { function do_foo () { echo “Doing foo.”; }}$bar = new foo;$bar -> do_foo ();
http://voip.com.ncnu.edu.tw/Summer2011/PHP/ex/example1.php
<?php/*Edited by ClaudiaJuly 21, 2011*/ $tmp = "Hello world!" ; //This is a string echo $tmp ; #print the variable?>
7
http://voip.com.ncnu.edu.tw/Summer2011/PHP/ex/example2.php<?php $an1 = "dog"; $an2 = "cat"; $an3 = "bird"; echo "What I like is a $an3. </br>"; echo 'What I like is a $an3. </br>' ; echo $an1 ." hates ". $an2."." ;?>
8
http://voip.com.ncnu.edu.tw/Summer2011/PHP/ex/example3.php
<html><body><? for ( $i=1; $i<=6; $i++ ) echo "<h" . $i . ">Hello World!</h" . $i . ">\n";?></body></html>
9
Template: http://voip.com.ncnu.edu.tw/Summer2011/PHP/ex/example4.php
Code: http://voip.com.ncnu.edu.tw/Summer2011/PHP/ex/example4.txt
<form name="demo" action="example4.php" method=get>
<select name="num">
<option value=0>0
<option value=1>1
<option value=2>2
<option value=3>3
<option value=4>4
<option value=5>5
<option value=6>6
<option value=7>7
<option value=8>8
<option value=9>9
</select><input
type=submit value="Submit"></form>
10
[1] http://chensh.loxa.edu.tw/php/A_1.php
http://www.php.net/
http://www.lideshare.net/appleboy/php-mysql-2255172
http://zh.wikipedia.org/wiki/PHP
11
What is the difference between POST and GET.( Example4)
Show the 9*9 multiplication table like this link.
Using PHP and from to find out the greatest common divisor. link
12