5. php bangla tutorial php basic

5/28/2018 5. PHP Bangla Tutorial Php Basic

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AAAA....

1. 2. 3. Syntax

4. (Variables)

5. (String)

6. (Operators)

7. 8. (Loop)

9.

While

10.For

11.(Array)

12.(Function)

13.PHP 14.$_GET

15.$_POST BBBB....

1111.... |||| ( Advanced PHP Tut or i al i n Bangl a)( Advanced PHP Tut or i al i n Bangl a)( Advanced PHP Tut or i al i n Bangl a)( Advanced PHP Tut or i al i n Bangl a) 2222.... ( PHP Dat e Funct i on Tut or i a l i n Bangl a)( PHP Dat e Funct i on Tut or i a l i n Bangl a)( PHP Dat e Funct i on Tut or i al i n Bangl a)( PHP Dat e Funct i on Tut or i a l i n Bangl a) 3333.... ( PHP I ncl ude Funct i on Tut or i a l i n Bangl a)( PHP I ncl ude Funct i on Tut or i a l i n Bangl a)( PHP I ncl ude Funct i on Tut or i al i n Bangl a)( PHP I nc l ude Func t i on Tut or i al i n Bangl a) 4444.... ( PHP r eq( PHP r eq( PHP r eq( PHP r equi r e Func t i on Tut or i al i n Bangl a)ui r e Func t i on Tut or i al i n Bangl a)ui r e Func t i on Tut or i al i n Bangl a)ui r e Func t i on Tut or i al i n Bangl a) 5555.... ( PHP Fi l e Func t i on Tut or i al i n Bangl a)( PHP Fi l e Func t i on Tut or i al i n Bangl a)( PHP Fi l e Func t i on Tut or i al i n Bangl a)( PHP Fi l e Func t i on Tut or i al i n Bangl a) 6666.... ( PHP Fi l e Upl oad Tut or i a l i n Bangl a)( PHP Fi l e Upl oad Tut or i al i n Bangl a)( PHP Fi l e Upl oad Tut or i a l i n Bangl a)( PHP Fi l e Upl oad Tut or i al i n Bangl a) 7777....

( PHP Cook i e Tut or i al i n Bangl a)( PHP Cooki e Tut or i al i n Bangl a)( PHP Cooki e Tut or i al i n Bangl a)( PHP Cooki e Tut or i al i n Bangl a) 8888.... ( PHP Sessi on Tut or i al i n Bangl a) ( PHP Sessi on Tut or i al i n Bangl a) ( PHP Sessi on Tut or i al i n Bangl a) ( PHP Sessi on Tut or i a l i n Bangl a) 9999.... ( PHP Er r or Handl er Tut or i a l i n Bangl a)( PHP Er r or Handl er Tut or i a l i n Bangl a)( PHP Er r or Handl er Tut or i a l i n Bangl a)( PHP Er r or Handl er Tut or i a l i n Bangl a) 10.10.10.10. ( PHP Mai l Funct i on Tut or i al i n Bangl a)( PHP Mai l Funct i on Tut or i al i n Bangl a)( PHP Mai l Funct i on Tut or i al i n Bangl a)( PHP Mai l Func t i on Tut or i al i n Bangl a) 11111111.... ( PHP Fi l t er Tut or i al i n Bangl a)( PHP Fi l t er Tut or i al i n Bangl a)( PHP Fi l t er Tut or i al i n Bangl a)( PHP Fi l t er Tut or i al i n Bangl a)

CCCC....

1111.... |||| ( PHP Fr amewor k Tut or i al i n Bangl a)( PHP Fr amewor k Tut or i al i n Bangl a)( PHP Fr amewor k Tut or i al i n Bangl a)( PHP Fr amewor k Tut or i al i n Bangl a) 2222.... ( OOP & PHP Tut or i al i n Bangl a)( OOP & PHP Tut or i al i n Bangl a)( OOP & PHP Tut or i al i n Bangl a)( OOP & PHP Tut or i al i n Bangl a) ( OOPHP Tut or i al i n Bangl a)( OOPHP Tut or i al i n Bangl a)( OOPHP Tut or i al i n Bangl a)( OOPHP Tut or i al i n Bangl a) ::::---- |||||||| ::::6666---- 10101010 |||||||| : 11: 11: 11: 11 ---- 1 5 | |1 5 | |1 5 | |1 5 | | : 16: 16: 16: 16---- 23232323


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4444.... ( CodeI gni t er Downl oad & I ns t al l Tut or i al i n( CodeI gni t er Downl oad & I ns t al l Tut or i al i n( CodeI gni t er Downl oad & I ns t al l Tut or i al i n( CodeI gni t er Downl oad & I ns t al l Tut or i al i nBangl a)Bangl a)Bangl a)Bangl a)

5. ( MVC St r uct ur e Tut or i al i n Bangl a)( MVC St r uct ur e Tut or i al i n Bangl a)( MVC St r uct ur e Tut or i al i n Bangl a)( MVC St r uc t ur e Tut or i al i n Bangl a) 6666.... ( CodeI gni t er Conf i gur e Tut or i al i n Bangl a)( CodeI gni t er Conf i gur e Tut or i al i n Bangl a)( CodeI gni t er Conf i gur e Tut or i al i n Bangl a)( CodeI gni t er Conf i gur e Tut or i al i n Bangl a) 7777.... ( Cr eat i ng Fi r s t Appl i cat i on wi t h CodeI gni t er )( Cr eat i ng Fi r s t Appl i cat i on wi t h CodeI gni t er )( Cr eat i ng Fi r s t Appl i cat i on wi t h CodeI gni t er )( Cr eat i ng Fi r s t Appl i cat i on wi t h CodeI gni t er )

AAAA....

1.1.1.1. |||| ( PHP Bas i c)( PHP Basi c)( PHP Basi c)( PHP Basi c):

:

instruction run

handle Process :

(Picture,Content etc) (math calculation,file operation etc)

HTML

(PHP) ?:

PHP Hypertext Preprocessor , ,HTML-embedded

syntax C,Perl,Java

(PHP) :

.HTML .HTML Form.

. C

.

?:?:?:?:

hosting()


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-

*

.PHP -compitable : apache

.PHP

*

.()

.:Specialized

webcoachbd.com

2.

( PHP I nst al l at i on Tut or i al i n Bangl a)( PHP I ns t al l at i on Tut or i al i n Bangl a)( PHP I ns t al l at i on Tut or i al i n Bangl a)( PHP I ns t al l at i on Tut or i al i n Bangl a):

apache :MySQL,

XAMPP.XAMPP

http://www.apachefriends.org/download.php?xampp-win32-1.7.3.exe

XAMPP -

XAMPP Control Panel C C:\Program Files\xampp C:\xampp start click (Apache

MySql)


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Apache MySql http://localhost

English

()


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( PHP Code Wr i t t i ng)( PHP Code Wr i t t i ng)( PHP Code Wr i t t i ng)( PHP Code Wr i t t i ng):

C driveC driveC driveC drive XAMPPXAMPPXAMPPXAMPP htdocshtdocshtdocshtdocs web contentweb contentweb contentweb content

www C:\xampp\htdocs(:D drive

D:\xampp\htdocs). mytest.php

-http://localhost/mytest.php

,??

: Net Beans, Dreamweaver , IDE (Integrated Development

Environment).

4.

( PHP Synt ax Tut or i al i n Bangl a)( PHP Synt ax Tut or i al i n Bangl a)( PHP Synt ax Tut or i al i n Bangl a)( PHP Synt ax Tut or i al i n Bangl a):

extension .php .html execute

*

* Scripting Block( )

*instruction(code line)

(/)

mypage.php ,htdocs browse save in http://localhost/mypage.php


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echo print.

: execute

,

// # /* */

: ,

echo "Hello World! ";echo "Hello World! ";echo "Hello World! ";

echo "Hello World! ";echo "Hello World! ";

,

5.

( PHP Var i abl es Tut or i al i n Bangl a)( PHP Var i abl es Tut or i al i n Bangl a)( PHP Var i abl es Tut or i al i n Bangl a)( PHP Var i abl es Tut or i al i n Bangl a):

(Container) String Hello

Bangladesh integer value 100. (

declare ) , (value)


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$

*case sensitive.$a_numberand $A_number ,

*

$variable_name = Value;

-

1.

*Loosely Typed declare ()

:

.letter or _(under score)

. alpha-numeric characters underscores. a-z, A-Z, 0-9, or _ .

. ___underscore ($my_string)

($myString)

6.

( PHP St r i ng Tut or i al i n Bangl a)( PHP St r i ng Tut or i al i n Bangl a)( PHP St r i ng Tut or i al i n Bangl a)( PHP St r i ng Tut or i al i n Bangl a):

Career

store

,store echo

1.

$my_string echo ,

store

store


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Double quotes Single quotes ,

apostrophes

1.

single quotes -

echo PHP it\s neat

double quotes single quotes

, quotation heredoc,

-

1.

-

*


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( PHP Oper at or s)( PHP Oper at or s)( PHP Oper at or s)( PHP Oper at or s):

- manipulate

.Unary (operand)

.Binary-

.Ternary- Operator -Arithmetic, Assignment, ComparisonOperator etc.

( ASSI GNMENT OPERAT ( ASSI GNMENT OPERAT ( ASSI GNMENT OPERAT ( ASSI GNMENT OPERATOR)OR)OR)OR)

$my_var = 4;

$another_var = $my_var;

$my_var $another_var .

Operator English Example

+ Addition 2+4

- Subtraction 6-2

* Multiplication 5*3

/ Division 15/3

% Modulus 43%10


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01.

-

( COMPARI SON OPERATOR( COMPARI SON OPERATOR( COMPARI SON OPERATOR( COMPARI SON OPERATOR))))Operator relationship Operator statement

statement true false. Comparison Operator -

$x=4 $y=5

Operator English Example Result

== Equal to $x=$y False

!= Not equal to $x!=$y True

< Less than $x


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> Greater than $x>$y False

=$y False

( STRI NG OPERATOR)( STRI NG OPERATOR)( STRI NG OPERATOR)( STRI NG OPERATOR)-,

ARI THMETI CARI THMETI CARI THMETI CARI THMETI C ASSI GNMENT OPERATORASSI GNMENT OPERATORASSI GNMENT OPERATORASSI GNMENT OPERATOR COMBI NATI ON COMBI NATI ON COMBI NATI ON COMBI NATI ONProgramming ,

$counter=$counter+1;

$counter+=1;

Pre/Post-Increment Pre/Post-Decrement:

,

$x++ $x += 1; $x = $x + 1

-

8.

( PHP Condi t i onal St at ement )( PHP Condi t i onal St at ement )( PHP Condi t i onal St at ement )( PHP Condi t i onal St at ement ):

action feature

Good Morning

Good evening Conditional

statement ,condition Conditional statement -

*if statement

*ifelse statement

*ifelseifelse statement

*Switch statement

* I F STATEMENT* I F STATEMENT* I F STATEMENT* I F STATEMENT


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if statement execute condition true

Have a nice day Saturday

1.

* I F* I F* I F* I FELSE STATEMENTELSE STATEMENTELSE STATEMENTELSE STATEMENT,,ifelse statement

1.

condition true Saturday Have a nice day Today is not Saturday.

* I F* I F* I F* I FELSEI FELSEI FELSEI FELSEI FELSE STATEMENTELSE STATEMENTELSE STATEMENTELSE STATEMENT

statement execute

view sourceprint?01.02.03.13.14.


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( PHP Loop Tut or i al i n Bangl a)( PHP Loop Tut or i al i n Bangl a)( PHP Loop Tut or i al i n Bangl a)( PHP Loop Tut or i al i n Bangl a):

statement execute

-

While Loop

Dowhile Loop

For Loop

Foreach Loop

WhileWhileWhileWhile :

condition true while execute

1.while(condition)2.{3.code to be executed;4.}

condition false condition

,true execute condition :

01.02.03.11.12.

i=1. while($i


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-

The number is 1

The number is 2The number is 3The number is 4The number is 5

I ?while loop execute

DODODODOWHI LE LOOPWHI LE LOOPWHI LE LOOPWHI LE LOOP while loop condition test , , while

execute

1.Do2.{3.Code to be executed4.}5.While(condition);

01.

i=6 ?

This is line 6

This line is outside while loop.so it will not repeat.

execute execution repeat

?while loop

11.

( PHP For Loop)( PHP For Loop)( PHP For Loop)( PHP For Loop):


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while ,

1.for(init; condition; increment)2.{3.code to be executed;4.}

for loop statement expression assignment

statement(loop control variable), execution Boolean

expression (evaluate),true false

return loop control variable

i=1 I I 1.

Output

The number is 1The number is 2The number is 3

The number is 4The number is 5

expression expression , Boolean

expression default true -

foreach loop array

( PHP Ar r ay Tut or i al i n Bangl a)( PHP Ar r ay Tut or i al i n Bangl a)( PHP Ar r ay Tut or i al i n Bangl a)( PHP Ar r ay Tut or i al i n Bangl a):

single value (container).valuecontainer

value -key index

single variable store

-

$city1= Dhaka

$city2= Chittagong


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$city3= Rajshahi

$city4= Sylet

$city5= Khulna$city6= Barishal

(series of

element) index -

1.

variable store , index

array index/key Dhaka[0],Chittagong[1]

index number

1.

,=>

starting index 2

1.

index

( ASSOCI ATI VE ARRAY)( ASSOCI ATI VE ARRAY)( ASSOCI ATI VE ARRAY)( ASSOCI ATI VE ARRAY)index/key string associative array :

1.

( MULTI DI MENSI ONAL AR( MULTI DI MENSI ONAL AR( MULTI DI MENSI ONAL AR( MULTI DI MENSI ONAL ARRAY)RAY)RAY)RAY)

1.


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FOREACH LOOPFOREACH LOOPFOREACH LOOPFOREACH LOOP

associative array foreach statement :1.

Output

Dhaka

ChittagongRajshahi

Sylet

Khulna

Barishal

Barishal

13.

( PHP Func t i on)( PHP Funct i on)( PHP Funct i on)( PHP Funct i on):

execution

execute

1.functionfunctionName()2.{3.code to be executed;4.}

:

_ ,

simple

01.


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02.functionwriteName()03.{04.echo"Md.Rejoanul Alam";05.}06.07.echo"My name is ";08.writeName();09.?>

Output

My name is Md.Rejoanul Alam

,PHP variable

01.

output

Hello there Jack Black!Hello there Ahmed Zewail!Hello there Julie Roberts!Hello there Charles Schwab!


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return return statement

view source

print?01.

( PHP For m)( PHP For m)( PHP For m)( PHP For m):

() -

$_GET $_POST.

1.

2.Name: 3.Age: 4.5.

welcome.php

method=POST ,Form


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POST GET.

welcome.php

1.Welcome !
2.You are years old.

rezwan age 24,

Welcome rezwan!You are 24 years old.

15.

$_$_$_$_GETGETGETGET ( PHP $_GET Met hod)( PHP $_GET Met hod)( PHP $_GET Met hod)( PHP $_GET Met hod):

GET

character ( URL

)

1.2.Name: 3.Age: 4.5.

http://www.w3schools.com/welcome.php?fname=Peter&age=37

welcome.php $_GET Method

1.Welcome .
2.You are years old!

16.

( PHP $_POST Met hod)( PHP $_POST Met hod)( PHP $_POST Met hod)( PHP $_POST Met hod):

(Mb )

Name:

Age:


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http://www.w3schools.com/welcome.php$_POST Method

Welcome !

You are years old.

GET Method passwordPOST Method

BBBB....

1.1.1.1.

|||| ( Advanced PHP( Advanced PHP( Advanced PHP( Advanced PHP Tut or i al i n Bangl a)Tut or i al i n Bangl a)Tut or i al i n Bangl a)Tut or i al i n Bangl a):

webcoachbd.com - ,,,,

2.

( PHP Dat e Funct i on Tut or i al i n Bangl a)( PHP Dat e Funct i on Tut or i al i n Bangl a)( PHP Dat e Funct i on Tut or i al i n Bangl a)( PHP Dat e Funct i on Tut or i al i n Bangl a):

( PHP DATE FUNCTI ON)( PHP DATE FUNCTI ON)( PHP DATE FUNCTI ON)( PHP DATE FUNCTI ON) / date()

view source

print?1.

Output

2009/05/11

2009.05.11

2009-05-11


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3.

( PHP I nc l ude Func t i on Tut or i al i n( PHP I nc l ude Func t i on Tut or i al i n( PHP I nc l ude Func t i on Tut or i al i n( PHP I nc l ude Func t i on Tut or i al i nBangl a)Bangl a)Bangl a)Bangl a):

include()

Require()-fatal error()

Include()-

,,

(,,)

include

,menu.php

1.Home 2.Tutorials 3.References 4.Examples

5.About Us6.Contact Us

view sourceprint?01.02.03.04.05.06.Welcome to my home page.07.

Some text.
08.09.
4.

( PHP r equi r e Funct i on Tut or i al i n Bangl a)( PHP r equi r e Funct i on Tut or i al i n Bangl a)( PHP r equi r e Funct i on Tut or i al i n Bangl a)( PHP r equi r e Funct i on Tut or i al i n Bangl a):

require() include()


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Include()

01.

02.03.04.08.09.

Error message:

Warning:include(wrongFile.php) [ffailed to open

No such file or directory in C:\home\website\test.php on

Warning:include() [fFailed opening 'wrongFile.php' for(include_path='.;C:\php5\pear')in C:\home\website\test.php on line

Hello World!

Notice that the echo statement is executed! This is because a Warning does not stop the scriptexecution.

require() Function Now, let's run the same example with the require() function.

1.2.3.7.8.

Error message:

Warning:require(wrongFile.php) [ffailed to openNo such file or directory in C:\home\website\test.php on

Fatal error:require() [fFailed opening required(include_path='.;C:\php5\pear')in C:\home\website\test.php on line 5

echo statement


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5.

( PHP Fi l e Func t i on Tut or i al i n( PHP Fi l e Func t i on Tut or i al i n( PHP Fi l e Func t i on Tut or i al i n( PHP Fi l e Func t i on Tut or i al i nBangl a)Bangl a)Bangl a)Bangl a):

fopen

1.2.3.6.7.

fopen welcome.txt r ()r read only

Modes Description

r Read only. Starts at the beginning of the file

r+ Read/Write. Starts at the beginning of the file

wWrite only. Opens and clears the contents of file; or creates a new

exist

w+Read/Write. Opens and clears the contents of file; or creates a newexist

a Append. Opens and writes to the end of the file or creates a new file i

a+ Read/Append. Preserves file content by writing to the end of the file

x Write only. Creates a new file. Returns FALSE and an error if file alr

x+ Read/Write. Creates a new file. Returns FALSE and an error if file al

fopen() function 1.2.3.6.7.


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fclose() function

1.

ENDENDENDEND---- OFOFOFOF---- FILEFILEFILEFILE

if (feof($file)) echo "End of file";

LINE BY LINELINE BY LINELINE BY LINELINE BY LINE fgets() function

01.

CHARACTER BY CHARACTCHARACTER BY CHARACTCHARACTER BY CHARACTCHARACTER BY CHARACTERERERER

fgetc() function

view sourceprint?1.


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( PHP Fi l e Upl oad Tut or i al i n( PHP Fi l e Upl oad Tut or i al i n( PHP Fi l e Upl oad Tut or i al i n( PHP Fi l e Upl oad Tut or i al i nBangl a)Bangl a)Bangl a)Bangl a):

01.02.03.04. 06.Filename:

07.

08.09.10.11.12.

action="upload_file.php" method="post" upload_file.php upload_file.php

Upload_file.php

01.

global PHP $_FILES

$_FILES["file"]["name"] $_FILES["file"]["type"] - type $_FILES["file"]["size"] - size $_FILES["file"]["tmp_name"] temporary copy

.jpeg,.jpg,.gif


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01.

(temporary copy) ,

01.


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24.move_uploaded_file($_FILES["file"]["tmp_name"], 25."upload/". $_FILES["file"]["name"]);

26.echo"Stored in: ". "upload/". $_FILES["file"]["name"];27.}28.}29.}30.else31.{32.echo"Invalid file";33.}34.?>

,move_uploaded_file

upload

7.

( PHP Cooki e Tut or i al i n Bangl a)( PHP Cooki e Tut or i al i n Bangl a)( PHP Cooki e Tut or i al i n Bangl a)( PHP Cooki e Tut or i al i n Bangl a):

( /

) , ,

( )

setcookie() function

setcookie() function

setcookie(name, value, expiration);

namename:,

value:,username(string)last visit(date)expiration: ()

visit

ignore

1.


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3.setcookie("user", "rezwan",$expire);4.?>5.

6......

((((RETRIEVERETRIEVERETRIEVERETRIEVE))))

$_COOKIE variable retrieve

1.


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5.6.7.

$_SESSION

01.06.07.08.09.13.14.15.

Pageviews=1

page view counter(page ) isset() views views variable

counter viewsvariable

01.

( DESTROYI NG A SESSI O( DESTROYI NG A SESSI O( DESTROYI NG A SESSI O( DESTROYI NG A SESSI ON)N)N)N)unset() or the session_destroy() function ]

unset() function

1.


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session_destroy() function

1.

session_destroy() reset

9.

( PHP Er r or Handl er Tut or i al i n( PHP Er r or Handl er Tut or i al i n( PHP Er r or Handl er Tut or i al i n( PHP Er r or Handl er Tut or i al i nBangl a)Bangl a)Bangl a)Bangl a):

error handling

()

"die()" statements

Custom errors and error triggers

Error reporting

""""DIEDIEDIEDIE()"()"()"()"

1.

Warning: fopen(welcome.txt) [function.fopen]: failed to open stream:No such file or directory in C:\webfolder\test.phpon line 2

01.

File not found


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error

call (error level and

error message) (optionally: file, line-number, and the error context)

error_function(error_level,error_message,error_file,error_line,error_context)

Parameter Description

error_level error report level

value number error report level

error_message error message

error_file

error_line

error_context (Specifies an array)

( VALUE)( VALUE)( VALUE)( VALUE)

Value Constant Description

2 E_WARNING run-time errors. Execution

8 E_NOTICE Run-time notices.

256 E_USER_ERROR E_ERROR PHP

function trigger_error()

512 E_USER_WARNING Runtime warnings generated by a call totrigger_error( )

1024 E_USER_NOTICE Runtime warnings generated by a call totrigger_error( )

4096 E_RECOVERABLE_ERROR Catchable fatal error.8191 E_ALL errors warnings, level E_STRICT (E_STRICT

PHP 6.0

E_ALL )

1.functioncustomError($errno,$errstr)2.{3.echo"Error: [$errno] $errstr
";


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4.echo"Ending Script";5.die();6.}

error handling error level

error handler error handler

PHP error handler

set_error_handler("customError");

error handle , set_error_handler()

,error level

01.

Error:[8] Undefined variable: test

TRIGGERTRIGGERTRIGGERTRIGGER trigger /

trigger_error() function test error

1.

Notice: Value must be 1 or belowin C:\webfolder\test.phpon line 6

error trigger error


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level trigger

error

E_USER_ERROR E_USER_WARNING E_USER_NOTICE

test E_USER_WARNING error

error handler

01.

Error:[512] Value must be 1 or belowEnding Script

PHP error_log() error log()


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error_log("Error: [$errno] $errstr",1,"[email protected]","From: [email protected]");}

//set error handlerset_error_handler("customError",E_USER_WARNING);

//trigger error$test=2;if ($test>1){trigger_error("Value must be 1 or below",E_USER_WARNING);}?>

Error:[512] Value must be 1 or belowWebmaster has been notified

Error: [512] Value must be 1 or below

( PHP Fi l t er Tut or i al i n Bangl a)( PHP Fi l t er Tut or i al i n Bangl a)( PHP Fi l t er Tut or i al i n Bangl a)( PHP Fi l t er Tut or i al i n Bangl a):

(validate/acceptable) (filter)

filter

-

filter -

filter_var() filter filter_var_array()


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filter_input filter_input_array filter_var() function validate

01. "FILTER_VALIDATE_INT" $int ,"Integer is valid"

123 integer.

VALIDATINGVALIDATINGVALIDATINGVALIDATING SANI TI ZI NGSANI TI ZI NGSANI TI ZI NGSANI TI ZI NG

VALI DATI NG FI LTERS:VALI DATI NG FI LTERS:VALI DATI NG FI LTERS:VALI DATI NG FI LTERS:

user input validate

(URL E-Mail validating)

SANI TI ZI NG FI LTERS:SANI TI ZI NG FI LTERS:SANI TI ZI NG FI LTERS:SANI TI ZI NG FI LTERS:

return

OPTIONSOPTIONSOPTIONSOPTIONS FLAGSFLAGSFLAGSFLAGSOption Flag filtering option option

flag validate filter_var() "min_range" "max_range"

option

01.


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08."max_range"=>25609.)10.);

11.12.if(!filter_var($var, FILTER_VALIDATE_INT,$int_options))13.{14.echo("Integer is not valid");15.}16.else17.{18.echo("Integer is valid");19.}20.?>

options associative array options flag

"Integer is not valid".

VALI DATE I NPUTVALI DATE I NPUTVALI DATE I NPUTVALI DATE I NPUT filter_input() function

01.

:() "GET" method

."email" GET

.

SANI TI ZE I NPUTSANI TI ZE I NPUTSANI TI ZE I NPUTSANI TI ZE I NPUT filter_input() function

sanitize

01.


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03.{04.echo("Input type does not exist");05.}

06.else07.{08.$url= filter_input(INPUT_POST,09."url", FILTER_SANITIZE_URL);10.}11.?>

:(url) "POST" method

."url" POST

.sanitize( ) $url variable

"http://www.W3Schools.com/" $url variable sanitizing

http://www.W3Schools.com/

call filter

filter_var_array the filter_input_array function

view source

print?01.


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25.}26.elseif(!$result["email"]) 27.{

28.echo("E-Mail is not valid.
");29.}30.else31.{32.echo("User input is valid");33.}34.?>

( PHP Mai l Func t i on Tut or i al i n Bangl a)( PHP Mai l Funct i on Tut or i al i n Bangl a)( PHP Mai l Funct i on Tut or i al i n Bangl a)( PHP Mai l Funct i on Tut or i al i n Bangl a)

PHP mail()

1.mail(to,subject,message,headers,parameters)

(\n)

:From,Cc,Bcc

: php.ini

>> ? -

([email protected])

PHP MAI L FORMPHP MAI L FORMPHP MAI L FORMPHP MAI L FORM


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CCCC.... 1.1.1.1. |||| ( PHP Fr amewor k Tut or i( PHP Fr amewor k Tut or i( PHP Fr amewor k Tut or i( PHP Fr amewor k Tut or i al i na l i na l i na l i nBangl a)Bangl a)Bangl a)Bangl a):

(PHP Framework) basic Platform/structure()

,like (like) ,

PHP Framework -,,

,,

(PHP Framework)

(PHP Framework) .PHP(PHP Function, Variable etc)

.Object Oriented Programming

.MVC(Model View Controller)Structure

,,,

-

, (CodeIgniter PHPFramework)

( OOP & PHP Tut or i al i n Bangl a)( OOP & PHP Tut or i al i n Bangl a)( OOP & PHP Tut or i al i n Bangl a)( OOP & PHP Tut or i al i n Bangl a):


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---- POP ( PROCEDURE ORI ENPOP ( PROCEDURE ORI ENPOP ( PROCEDURE ORI ENPOP ( PROCEDURE ORI ENTED PROGRAMMI NG)TED PROGRAMMI NG)TED PROGRAMMI NG)TED PROGRAMMI NG)

language FORTRAN(Formula Translation- Statistician )COBOL,CProcedure

Oriented Programming(POP).PHP POP

(instruction/actions) ,

,+

POP global data

---- OOP( OBJECTOOP( OBJECTOOP( OBJECTOOP( OBJECT ORI ENTED PROGRAMMI NGORI ENTED PROGRAMMI NGORI ENTED PROGRAMMI NGORI ENTED PROGRAMMI NG))))OOP (Object Oriented Programming)

OOP critical element (free flow) OOP

Objects , /

//(interact)

OOPOOPOOPOOP*(operate )

*Object Object*Object ,(Operate )

*

*Object Object

*

OOP

Objects Class Encapsulation Inheritence Polymorphism Message passing

( OBJECTS)( OBJECTS)( OBJECTS)( OBJECTS) ,()

(a bundle) ,


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,

()

//(bunch). (),

(bunch) (), ,()

( -Procrdure Oriented way)

(bunch)

( CLASS)( CLASS)( CLASS)( CLASS)

/ (blueprint/template/outline) ()

(blueprint).

, living,breathing

living,breathing

( ENCAPSULATI ON)( ENCAPSULATI ON)( ENCAPSULATI ON)( ENCAPSULATI ON) (class)

(data hiding/information hiding)

( I NHERI TANCE)( I NHERI TANCE)( I NHERI TANCE)( I NHERI TANCE)

OOP :(reusability)

(super class/base class)

/(subclass/derived class).extends

( POLYMORPHI SM)( POLYMORPHI SM)( POLYMORPHI SM)( POLYMORPHI SM)

( MESSAGE PASSI NG)( MESSAGE PASSI NG)( MESSAGE PASSI NG)( MESSAGE PASSI NG)

OO Program


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3.

( OOPHP Tut or i al i n Bangl a)( OOPHP Tut or i al i n Bangl a)( OOPHP Tut or i al i n Bangl a)( OOPHP Tut or i al i n Bangl a)

(PHP5)

,,

OOPHP ,,,

()

---- ::::

index.php

class_lib.php

includes

class_lib.php OOP

/

---- ::::

,,

class

1.


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---- ::::

/

property

1.

:/(var name;) properties

---- ::::

////

properties

methods ()

/methods /properties


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properties

---- ::::

gettergettergettergetter settersettersettersetter

/ get_name() set_name()

getter setter property

getter setter property

set_name() / property/variable name

---- ::::

$t hi s$t hi s$t hi s$t hi s

$this->name=$new_name

$this () self-

referencing properties

function get_name() {

return $this->name;

}


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---- ::::

include require

OOPHP in Webcoachbd

,

---- ::::

instantiation.

$rejoan = new people();


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$rejoan people $rejoan people

---- ::::

newnewnewnew

new

(

)


$riad = new people;

quote

$rejoan= new 'people';

---- ::::

propertiespropertiespropertiesproperties ((((setsetsetset))))

people , properties (set) (the setters)

($rejoan $riad) people


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$riad= new people;

$rejoan->set_name("Rejoanul Alam");$riad->set_name("Anjirul Alam");

?>

---- : : ::

getter setter

properties (->)


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-:

propertiespropertiespropertiesproperties ????

properties ,(->)

:

$rejoan->name.

getter

---- ::::

properties

:__construct() __construct /

construct (__)

()


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functions=methods

variables=properties

-:

constructconstructconstructconstruct

,people $name property

:

$rejoan = new people("Rejoanul Alam");

set_name()


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(mechanism)

---- ::::

propertiespropertiespropertiesproperties

(encapsulation).

(properties)

properties access modifier -

1. public

2. private

3. protected

public

: var properties (declare)public


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-:

propertiespropertiespropertiesproperties ---- property private

property protected (derived class/

properties )

public


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:get_pinn_number() private ,

public

---- ::::

::::::::

(Inheritence)

/

?

: :

employee employee people/person properties

?

:

.

. : ()

includes()


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// 'extends'

class employee extends people {function __construct($employee_name) {

}

---- ::::

::::----

employee people employee people

public properties,()

// 'extends'

class employee extends people {

function __construct($employee_name) {

$this->set_name($employee_name);

}

}

employee set_name() employee (declare) people

-:

::::----

employee get_name() people

(/)

OOPHP in Webcoachbd


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echo "Riads full name " . $riad->get_name();

?>

---- ::::

Over r i ddi ngOver r i ddi ngOver r i ddi ngOver r i ddi ng

()

set_name() people employee

people set_name() Override employee


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}}

?>

set_name() people () employee

-:

OverridingOverridingOverridingOverriding....----

, (child

) override

employee set_name() override

people::set_name($new_name);

parent (People) set_name()


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if ($new_name == "Stefan Sucks") {

$this->name = $new_name;

}else if($new_name == "Anjirul Alam") {

people::set_name($new_name);

}

}



}

}

?>

---- ::::

overridingoverridingoverridingoverriding ----

'people::set_name()' people set_name()

parent parent (

parent )


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class employee extends people {

protected function set_name($new_name) {

if ($new_name == "Stefan Sucks") {$this->name = $new_name;

}

else if($new_name == "Anjirul Alam") {

parent::set_name($new_name);

}

}



}

}

?>

:::: OOPHP

OOP

,

/

OOPOOPOOPOOP

,,,++

( )

( ) OOP

,

-

properties

(parent-child/base-derived)

4.


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( MVC St r uc t ur e Tut or i al i n( MVC St r uc t ur e Tut or i al i n( MVC St r uc t ur e Tut or i al i n( MVC St r uc t ur e Tut or i al i nBangl a)Bangl a)Bangl a)Bangl a):

MVC Structure ( )

01.07.08.Home Page09.13.14.17.18.19.20.21.24.25.

MVC Structure

(Model)

(View)

(Controller)

( MODEL) :( MODEL) :( MODEL) :( MODEL) : ,

() ,,

(business logic)

( VI EW) :( VI EW) :( VI EW) :( VI EW) :


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,,

( CONTROLLER) :( CONTROLLER) :( CONTROLLER) :( CONTROLLER) :

MVC

5.

( CodeI gni t er Downl oad & I nst al l( CodeI gni t er Downl oad & I ns t al l( CodeI gni t er Downl oad & I ns t al l( CodeI gni t er Downl oad & I ns t al lTut or i al i n Bangl a)Tut or i al i n Bangl a)Tut or i al i n Bangl a)Tut or i al i n Bangl a):

http://codeigniter.com/downloads/ , .zip format

,

htdocs folder, F:\Program Files\xampp\htdocs. C Drive C


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drive F F C:\Program Files\xampp\htdocs.

( ) CodeIgniter.

system>>application>> config>>config.php

view sourceprint?01.|-------------------------------------------------------------------------

-02.| Base Site URL03.|-------------------------------------------------------------------------

-04.

05.

06.$config['base_url'] = "http://localhost/CodeIgniter/";07.08.09.

10.11.|-------------------------------------------------------------------------

-12.| Index File13.|-------------------------------------------------------------------------

-14.15.

16.$config['index_page'] = "index.php";17.18.19.20.21.|-------------------------------------------------------------------------

-22.| Default Language23.|-------------------------------------------------------------------------

-24.25.

26.$config['language'] = "english";27.28.

29.30.31.|-------------------------------------------------------------------------

-32.| Default Character Set33.|-------------------------------------------------------------------------

-34.

35.


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36.$config['charset'] = "UTF-8";37.

38.39.40.41.|-------------------------------------------------------------------------

-42.| Cache Directory Path43.|-------------------------------------------------------------------------

-44.45.46.$config['cache_path'] = 'http://127.0.0.1/codeigniter/cache/';47.48.

49.50.51.|-------------------------------------------------------------------------

-52.| Session Variables53.|-------------------------------------------------------------------------

-54.55.56.$config['sess_cookie_name'] = 'ci_session';57.$config['sess_expiration'] = 7200;58.$config['sess_encrypt_cookie'] = FALSE;

59.$config['sess_use_database'] = FALSE;60.$config['sess_table_name'] = 'ci_sessions';61.$config['sess_match_ip'] = FALSE;62.$config['sess_match_useragent'] = TRUE;63.$config['sess_time_to_update'] = 300;64.65.66.

67.68.|-------------------------------------------------------------------------

-69.| Global XSS Filtering70.|-------------------------------------------------------------------------

-71.

72.73.$config['global_xss_filtering'] = FALSE;74.75.76.77.78.|-------------------------------------------------------------------------

-79.| Output Compression


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80.|-------------------------------------------------------------------------

-81.

82.83.$config['compress_output'] = TRUE;84.85.86.87.88.|-------------------------------------------------------------------------

-89.| Rewrite PHP Short Tags90.|-------------------------------------------------------------------------

-91.

92.93.$config['rewrite_short_tags'] = FALSE;

6.

( CodeI gni t er Conf i gur e Tut or i al i n( CodeI gni t er Conf i gur e Tut or i al i n( CodeI gni t er Conf i gur e Tut or i al i n( CodeI gni t er Conf i gur e Tut or i al i nBangl a)Bangl a)Bangl a)Bangl a):

config.php database.php

01.$active_group = "default";02.$active_record = TRUE;03.

04.05.$db['default']['hostname'] = "localhost";06.$db['default']['username'] = "root";07.$db['default']['password'] = "mypassword";08.$db['default']['database'] = "mydatabase";09.$db['default']['dbdriver'] = "mysql";10.$db['default']['dbprefix'] = "";11.$db['default']['pconnect'] = TRUE;12.$db['default']['db_debug'] = TRUE;

13.$db['default']['cache_on'] = FALSE;14.$db['default']['cachedir'] = "";15.$db['default']['char_set'] = "utf8";16.$db['default']['dbcollat'] = "utf8_general_ci";

address bar http://localhost/CodeIgniter/


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7.

( Cr eat i ng Fi r st( Cr eat i ng Fi r st( Cr eat i ng Fi r st( Cr eat i ng Fi r st Appl i cat i on wi t hAppl i c at i on wi t hAppl i c at i on wi t hAppl i c at i on wi t hCodeI gni t er )CodeI gni t er )CodeI gni t er )CodeI gni t er ):

OOP OOPHP

,

MVC Structure ,

( ), ( ) (

)

F:\Program Files\xampp\htdocs\CodeIgniter\system\application\controllers

helloworld.php (F C ) ++

class

01.


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06.}07.functionindex(){08.$data['title']='My first application created with Code Igniter';

09.$data['message']='Hello world!';10.// load 'helloworld' view11.$this->load->view('helloworld',$data); 12.}13.}14.?>

: //'Controller'

'Controller' /

'Controller' extends 'HellowWorld'

(derived).

parent::Controller() function index() (Controller )

index() () $data () 'helloworld.php' loader , loader

loader

$this->load->view('helloworld',$data);

pass

F:\Program Files\xampp\htdocs\CodeIgniter\system\application\views helloworld.php

1.2.3.4.5.6.7.8.

Address bar

http://localhost/CodeIgniter/index.php/helloworld

: Controller Views folder welcome.php welcome_message.php

++


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5. php bangla tutorial php basic

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