PHP MySQL Basic - Training Slides.ppt
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Transcript of PHP MySQL Basic - Training Slides.ppt
Introduction to PHP & MySQL
A 4 days Course
Presented by
Shaizar Md Daud @ Jat
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Course Outline
Introduction to HTML Introduction to PHP PHP - The Language Using Variables Giving Your Code Life – Flow Control Using Functions Creating Custom Functions Making Things Constant Variable Scope – Now You See Me, Now You Don’t! Introduction to Database & MySQL Using MySQL from PHP Putting things Together – Lab Project
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Day 1
Introduction to HTML Introduction to PHP PHP - The Language
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
What is HTML?
Hyper-Text Markup Language
– Language for creating web pages
– Defines format & layout of a document
– Documents are Portable– Link multiple documents– Local and remote
documents– A simple text file– Tag-based language
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
HTML Markup Tags
Single Tags– No Content or Child Tags
Syntax:
<tagname/> or <tagname>
Example:
<br/>, <br>, <hr>
Syntax:
<tagname/> or <tagname>
Example:
<br/>, <br>, <hr>
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
HTML Markup Tags, cont’d
Start and End Tags– Contains Content or Child Tags
Syntax:
<tagname>Some Content</tagname>
Example:
<p>The quick brown fox jumps over the lazy dog</p>
Syntax:
<tagname>Some Content</tagname>
Example:
<p>The quick brown fox jumps over the lazy dog</p>
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
HTML Comments
Comments are not rendered (displayed)
Syntax:
<!-- comment text -->
Example:
<!--
This is a HTML comment
-->
Syntax:
<!-- comment text -->
Example:
<!--
This is a HTML comment
-->
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
HTML Document Structure
Document Type Declaration
HTML Container– HTML Header– HTML Body
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
DOCTYPEHTML Document Structure
Common DOCTYPEs:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN""http://www.w3.org/TR/html4/strict.dtd">
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd">
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
HTML Container TagsHTML Document Structure
Start Tag End Tag Description
<html> </html> HTML Container
<head> </head> HTML Header Section
<body> </body> HTML Body Section
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
HTML Layout Tags
Start Tag End Tag Description
<p> </p> Paragraph Text
<br/> - Insert Line Break
<div> </div> Division Block
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
HTML Text Formatting Tags
Start Tag End Tag Description
<b> </b> Bold Text
<strong> </strong> Bold Text
<i> </i> Italic Text
<u> </u> Underline Text
<hr/> - Horizontal Line
<hn> </hn> Text Headers [ n = 1 – 6 ]
<span> </span> Apply Format Elements to Text
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
HTML List Tags
Start Tag End Tag Description
<ol> </ol> Ordered List
<ul> </ul> Unordered List
<li> </li> List Item
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Ordered List Tag
Syntax:
<ol type=“[ 1 | I | i | A | a ]”>[ list items ]</ol>
Example:<ol>
<li>Item 1</li><li>Item 2</li>
</ol>
Syntax:
<ol type=“[ 1 | I | i | A | a ]”>[ list items ]</ol>
Example:<ol>
<li>Item 1</li><li>Item 2</li>
</ol>
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Unordered List Tag
Syntax:
<UL type=“[ DISC | CIRCLE | SQUARE ]”>[ list items ]</UL>
Example:<UL>
<li>Item 1</li><li>Item 2</li>
</UL>
Syntax:
<UL type=“[ DISC | CIRCLE | SQUARE ]”>[ list items ]</UL>
Example:<UL>
<li>Item 1</li><li>Item 2</li>
</UL>
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
HTML Table
Start Tag End Tag Description
<table> </table> Table Container
<tr> </tr> Table Row
<td> </td> Table Data
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
HTML Table Example
<table border=“0” cellpadding=“2” cellspacing=“2” width=“600”><tr>
<td width=“200”>Row 1, Column 1</td><td width=“400”>Row 1, Column 2</td>
</tr><tr>
<td align=“left” valign=“center”>Row 2, Column 1</td><td>Row 2, Column 2</td>
</tr></table>
<table border=“0” cellpadding=“2” cellspacing=“2” width=“600”><tr>
<td width=“200”>Row 1, Column 1</td><td width=“400”>Row 1, Column 2</td>
</tr><tr>
<td align=“left” valign=“center”>Row 2, Column 1</td><td>Row 2, Column 2</td>
</tr></table>
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
HTML TagsHTML Links
Start Tag End Tag Description
<a href=“[url]”> </a> Anchor link to a URL.
<a href=“#myId”> </a> Anchor link to an Target ID.
<a id=“myId”> </a> Target ID to link to.
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
HTML Forms
Start Tag End Tag Description
<form> </form> Form Container
<input /> - Input Fields
<select> </select> Select Box Container
<option> </option> Select Box Options
<textarea> </textarea> Text Box
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Form Tag
Syntax:
<FORM action=“<url>” method=“[ GET | POST ]”>
Example:<FORM action=“register.php” method=“post”>
. . .
. . .</FORM>
Syntax:
<FORM action=“<url>” method=“[ GET | POST ]”>
Example:<FORM action=“register.php” method=“post”>
. . .
. . .</FORM>
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Input Tag
Attributes– type
TEXT | CHECKBOX | RADIO | PASSWORD | HIDDEN | SUBMIT | RESET | BUTTON
– name– value– size– maxlength– checked
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Input Tag, cont’d
Example:
<INPUT type=“text” name=“fullname” size=“50”/>
<INPUT type=“password” name=“pass” size=“50”/>
<INPUT type=“radio” name=“sex” value=“m”/> Male
<INPUT type=“radio” name=“sex” size=“f”/> Female
<INPUT type=“checkbox” name=“class” size=“php_b”/>
<INPUT type=“checkbox” name=“class” size=“php_i”/>
<INPUT type=“checkbox” name=“active” size=“1”/> Yes
<INPUT type=“submit” name=“cmdSave” value=“Save”/>
Example:
<INPUT type=“text” name=“fullname” size=“50”/>
<INPUT type=“password” name=“pass” size=“50”/>
<INPUT type=“radio” name=“sex” value=“m”/> Male
<INPUT type=“radio” name=“sex” size=“f”/> Female
<INPUT type=“checkbox” name=“class” size=“php_b”/>
<INPUT type=“checkbox” name=“class” size=“php_i”/>
<INPUT type=“checkbox” name=“active” size=“1”/> Yes
<INPUT type=“submit” name=“cmdSave” value=“Save”/>
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Select Tag
Attributes– name– size– multiple
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Option Tag
Used within SELECT tags. Defines SELECT Items. Attributes
– value– selected
CDATA = Select item label
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
SELECT … OPTION
Example:
<SELECT name=“addr_state” size=“1”>
<OPTION value=“sel” selected>Selangor</OPTION>
<OPTION value=“joh”>Johor</OPTION>
<OPTION value=“ked”>Kedah</OPTION>
</SELECT>
Example:
<SELECT name=“addr_state” size=“1”>
<OPTION value=“sel” selected>Selangor</OPTION>
<OPTION value=“joh”>Johor</OPTION>
<OPTION value=“ked”>Kedah</OPTION>
</SELECT>
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
SELECT … OPTION (multiple)
Example:
<SELECT name=“avail_state” size=“10” multiple>
<OPTION value=“sel” selected>Selangor</OPTION>
<OPTION value=“joh”>Johor</OPTION>
<OPTION value=“ked” selected>Kedah</OPTION>
</SELECT>
Example:
<SELECT name=“avail_state” size=“10” multiple>
<OPTION value=“sel” selected>Selangor</OPTION>
<OPTION value=“joh”>Johor</OPTION>
<OPTION value=“ked” selected>Kedah</OPTION>
</SELECT>
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
TextArea Tag
Attributes– rows– cols– wrap: [ soft | hard | off ]
CDATA– Text to be displayed in the form field.
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
TextArea Tag, cont’d
Example:
<TEXTAREA name=“notes” rows=“10” cols=“40”>
Text displayed in TextArea form field.
It supports multiple text lines.
</TEXTAREA>
Example:
<TEXTAREA name=“notes” rows=“10” cols=“40”>
Text displayed in TextArea form field.
It supports multiple text lines.
</TEXTAREA>
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
What is PHP
Scripting Language Server-side Scripting Embedded Scripts Based on C, C++, and Perl Create web pages dynamically Multi-platform (*nix, Windows) Supports Apache and IIS web server CGI or Server Module
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Server-side vs Client-side
Server-side– Pro
More secure Client independent Light-weight Client Easier deployment
– Con Powerful hardware High server resource High Network resource
Client-side– Pro
Better response Richer user interface No or lighter server
requirements
– Con Less secure Client dependent Challenging
Deployment
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
PHP Basic Construct
<html>
<body>
<h1>HTML Title</h1>
<?php
echo “Hello from PHP”;
?>
</body>
</html>
<html>
<body>
<h1>HTML Title</h1>
<?php
echo “Hello from PHP”;
?>
</body>
</html>
HTML Section
PHP Section
HTML Section
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Language Syntax
Start PHP Section– <?php or <?
End PHP Section– ?>
PHP Statement– A_php_statement;
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
PHP Comments
Not executed Source-code documentation Disable parts of codes C-style Comments
– // Single line comment– /* Multi-line comment */
Perl-style Comments (not recommended)– # Perl-style single line comment
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Day 2
Using Variables Giving Your Code Life – Flow Control
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Data Types
Data Type Description
String “text”, ‘text’
Integer -2, -1, 0, 1, 2
Float 0.4, 1.234
Boolean True, false, 0, <none zero>
Array
Object
Resource Database, file
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Variables
Syntax– $my_variable_1– $_my_variable
Case sensitive Container to hold a value or values Values can be changed Variable name starts with an alphabet or underscore Variable name consist of alphabets, underscores,
and numbers
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Giving Variables a Value
Examples– $my_string = “My String”;– $my_numbers = 123;– $fn_return_value = my_function();
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Arrays
Stores multiple values in a single variable Stored values can be of different types Index-based or Key-based
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Index-based Array
Numeric indexes Examples
– $index_array[0] = “Item 1”;– $index_array[1] = “Item 2”;– $index_array[2] = “Item 3”;
Index starts from 0
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Associate Array
Keys instead of numeric indexes Examples
– $kb_array[“one”] = “Item 1”;– $kb_array[“two”] = “Item 2”;– $kb_array[“three”] = “Item 3”;
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Constants
Value is fixed once created Example – Creating constants
– define(“MYCONST”, 23);– define(“MYCONSTSTR”, “My String”);
Example – Using constants– print “The value of MYCONST:” . MYCONST;
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Operators
Operator Description
+ Addition
++ Increment
- Subtraction
-- Decrement
* Multiply
/ Division
% Modulo
. Concatenate (string)
Operator Description
= Assignment
== Equality
=== Exact Equality
! Not
&& Logical AND
|| Logical OR
>, >= Greater (or Equal)
<, <= Less (or Equal)
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Form Variables
$_GET[<field_name>] $_POST[<field_name>] $_REQUEST[<field_name>]
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Flow Control
Conditional Statements Loops
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
IF Statement
Syntax:
if ( <condition> ) {
[ block to be executed if <condition> is true ]
}
Syntax:
if ( <condition> ) {
[ block to be executed if <condition> is true ]
}
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
IF … ELSE
Syntax:
if ( <condition> ) {
[ block to be executed if <condition> is true ]
}
else {
[ block to be executed if <condition> is false ]
}
Syntax:
if ( <condition> ) {
[ block to be executed if <condition> is true ]
}
else {
[ block to be executed if <condition> is false ]
}
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
IF … ELSE IF
Syntax:
if ( <condition1> ) {
[ block to be executed if <condition1> is true ]
}else if ( <condition2> ) { [ block to be executed if <condition2> is true ]}
Syntax:
if ( <condition1> ) {
[ block to be executed if <condition1> is true ]
}else if ( <condition2> ) { [ block to be executed if <condition2> is true ]}
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Nested IF
Syntax:
if ( <condition1> ) {
[ block to be executed if <condition1> is true ]
if ( <condition2> ) { [ block to be executed if <condition2> is true ] } [ continue ]}
Syntax:
if ( <condition1> ) {
[ block to be executed if <condition1> is true ]
if ( <condition2> ) { [ block to be executed if <condition2> is true ] } [ continue ]}
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Example of IF Statements
if( $_POST[‘location’] == ‘sel’ ) { print “Selangor”;}
if( $_POST[‘age’] <=18 ) { print “You must be above 18”;}else { print “You may proceed”;}
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Loops
WHILE loop FOR loop FOREACH loop
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
WHILE Loop
Syntax:
while ( <condition> ) {
[ block to be executed
while <condition> is true ]
}
Syntax:
while ( <condition> ) {
[ block to be executed
while <condition> is true ]
}
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
WHILE Loop Example
Example:$i = 0;while( $i < sizeof( $profile ) ) { print “Item $i: “ . $profile[ $i ] . ‘<br />’; $i++;}
Example:$i = 0;while( $i < sizeof( $profile ) ) { print “Item $i: “ . $profile[ $i ] . ‘<br />’; $i++;}
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
FOR Loop
Syntax:
for ( <init>; <condition>; <iterator> ) {
[ block to be executed
while <condition> is true ]
}
Syntax:
for ( <init>; <condition>; <iterator> ) {
[ block to be executed
while <condition> is true ]
}
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
FOR Loop Example
Example:for ( $i = 0; $i < sizeof( $profile ); $i++ ) { print “Item $i: “ . $profile[ $i ] . ‘<br />’;}
Example:for ( $i = 0; $i < sizeof( $profile ); $i++ ) { print “Item $i: “ . $profile[ $i ] . ‘<br />’;}
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
FOREACH Loop
Syntax 1:
foreach ( <array> as <var_value> ) {
[ block to be executed for each item in array ]
}
Syntax 2:foreach ( <array> as <var_key> => <var_value> ) { [ block to be executed for each item in array ]}
Syntax 1:
foreach ( <array> as <var_value> ) {
[ block to be executed for each item in array ]
}
Syntax 2:foreach ( <array> as <var_key> => <var_value> ) { [ block to be executed for each item in array ]}
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
FOREACH Loop Example
Example 1:foreach ( $profile as $item ) { print “Item: “ . $item . ‘<br />’;}
Example 2:foreach ( $profile as $key => $item ) { print “Item “ . $key . “: “ . $item . ‘<br />’;}
Example 1:foreach ( $profile as $item ) { print “Item: “ . $item . ‘<br />’;}
Example 2:foreach ( $profile as $key => $item ) { print “Item “ . $key . “: “ . $item . ‘<br />’;}
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Day 3
Using Functions Creating Custom Functions Making Things Constant Variable Scope – Now You See Me, Now
You Don’t!
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Using Functions
Syntax:
function_name([<param>])
Example:
echo date();
echo date( ‘d-m-Y’ );
$a = sprintf( ‘hello’ );
Syntax:
function_name([<param>])
Example:
echo date();
echo date( ‘d-m-Y’ );
$a = sprintf( ‘hello’ );
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
User-defined functions
Syntax:
function function_name() {
}
function function_name($param1, $param2=2) {
return $rv;
}
Syntax:
function function_name() {
}
function function_name($param1, $param2=2) {
return $rv;
}
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Variable Scope
Global Scope– Accessible throughout script
Local Scope– Accessible within a function
GLOBAL keyword– Access global variables within a function
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Global keyword
Example:
$cfgHost = ‘localhost’;
function getHostName() {
global $cfgHost;
$label = ‘The hostname is: ‘; // local scope.
echo $label . $cfgHost;
}
Example:
$cfgHost = ‘localhost’;
function getHostName() {
global $cfgHost;
$label = ‘The hostname is: ‘; // local scope.
echo $label . $cfgHost;
}
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Inserting External Files
include([<path>]<filename>); include_once([<path>]<filename>); require([<path>]<filename>); require_once([<path>]<filename>);
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Day 4
Introduction to Database & MySQL Using MySQL from PHP Putting things Together – Lab Project
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Database
A structured collection of data
Contains 1 or more Tables
db1
db1.table_1
db1.table_2
db1.table_3
db1.table_4
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Table
Tables contain records Records contain fields Fields have values
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Creating a Database
Syntax:
CREATE DATABASE dbname;
Example:
CREATE DATABASE training;
Syntax:
CREATE DATABASE dbname;
Example:
CREATE DATABASE training;
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Using a Database
Syntax:
USE dbname;
Example:
USE training;
Syntax:
USE dbname;
Example:
USE training;
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Creating a Table
Syntax:
CREATE TABLE table_name (
field1_name field_spec,
field2_name field_spec
);
Example:
CREATE TABLE student (
st_id bigint primary key auto_increment,
st_fname varchar(100),
st_age tinyint unsigned
);
Syntax:
CREATE TABLE table_name (
field1_name field_spec,
field2_name field_spec
);
Example:
CREATE TABLE student (
st_id bigint primary key auto_increment,
st_fname varchar(100),
st_age tinyint unsigned
);
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Querying a Table
Syntax:
SELECT <field_list> FROM <table_name> [ WHERE <condition> ];
Example:
SELECT * FROM student;
SELECT * FROM student WHERE st_age > 20;
Syntax:
SELECT <field_list> FROM <table_name> [ WHERE <condition> ];
Example:
SELECT * FROM student;
SELECT * FROM student WHERE st_age > 20;
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Inserting a Record
Syntax:
INSERT INTO `table_name` (<fieldlist>) VALUES (<valuelist>};
Example:
INSERT INTO student (st_fname, st_age) VALUES ( ‘Ahmad Albab’, 20 );
Syntax:
INSERT INTO `table_name` (<fieldlist>) VALUES (<valuelist>};
Example:
INSERT INTO student (st_fname, st_age) VALUES ( ‘Ahmad Albab’, 20 );
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Updating a Record
Syntax:
UPDATE table_name SET <field value list> [ WHERE <condition> ];
Example:
UPDATE student SET st_fname = ‘Jat’, st_age = 22 WHERE st_id = 1;
Syntax:
UPDATE table_name SET <field value list> [ WHERE <condition> ];
Example:
UPDATE student SET st_fname = ‘Jat’, st_age = 22 WHERE st_id = 1;
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Deleting a Record or Records
Syntax:
DELETE FROM table_name [ WHERE <condition> ];
Example:
DELETE FROM student WHERE st_id = 2;
DELETE FROM student WHERE st_age < 18;
Syntax:
DELETE FROM table_name [ WHERE <condition> ];
Example:
DELETE FROM student WHERE st_id = 2;
DELETE FROM student WHERE st_age < 18;
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
PHP Functions for MySQL
PHP Function Description
mysql_connect() Connect to a MySQL database server
mysql_select_db() Make a database active
mysql_query() Execute SQL statement on active database
mysql_fetch_array()Fetch a row from query result and return as data as an array of fields and values
mysql_insert_id()Returns the last inserted ID from an auto_increment field
mysql_error() Returns the last MySQL error message.
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
mysql_connect()
Syntax:
resource mysql_connect ( [string server [, string username [, string password [, bool new_link [, int client_flags]]]]]);
Example:
$dbh = mysql_connect( ‘localhost’, ‘root’, ‘’ );
Syntax:
resource mysql_connect ( [string server [, string username [, string password [, bool new_link [, int client_flags]]]]]);
Example:
$dbh = mysql_connect( ‘localhost’, ‘root’, ‘’ );
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
mysql_select_db()
Syntax:
bool mysql_select_db ( string database_name [, resource link_identifier] )
Example:
$stat = mysql_select_db( ‘training’, $dbh );
Syntax:
bool mysql_select_db ( string database_name [, resource link_identifier] )
Example:
$stat = mysql_select_db( ‘training’, $dbh );
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
mysql_query()
Syntax:
resource mysql_query ( string query [, resource link_identifier] )
Example:
$rh = mysql_query( ‘SELECT * FROM student’, $dbh );
Syntax:
resource mysql_query ( string query [, resource link_identifier] )
Example:
$rh = mysql_query( ‘SELECT * FROM student’, $dbh );
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
mysql_fetch_array()
Syntax:
array mysql_fetch_array ( resource result [, int result_type] )
Example:
$row = mysql_fetch_array( $rh );
Syntax:
array mysql_fetch_array ( resource result [, int result_type] )
Example:
$row = mysql_fetch_array( $rh );
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
mysql_insert_id()
Syntax:
int mysql_insert_id( [resource link_identifier] )
Example:
$newId = mysql_insert_id( $dbh );
Syntax:
int mysql_insert_id( [resource link_identifier] )
Example:
$newId = mysql_insert_id( $dbh );
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
mysql_error()
Syntax:
string mysql_error( [resource link_identifier] )
Example:
$errMsg = mysql_error( $dbh );
Syntax:
string mysql_error( [resource link_identifier] )
Example:
$errMsg = mysql_error( $dbh );
9 - 12 April 2007 Trainer: Shaizar Md Daud ([email protected])
Thank You
Shaizar Md Daud @ Jat [email protected] Tel: 012-311 2506