ei


A.
ei
 
1.

is

2.    3.   Syntax 4.  (Variables) 5. s (String) 6. a  (Operators) 7. n  sn 8.  (Loop) 9. While  10. For  11. a  (Array) 12.   (Function) 13. PHP  14. $_GET  ! 15. $_POST  !

B.a n
ei
 • • • • • • • • • •

1.a n
ei

u
 | 
  ( Advanced PHP Tut or i al i n Bangl a) 2.
ei
 0 1234
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 ( PHP Dat e Funct i on Tut or i al i n Bangl a) 3.
ei
 i4k9 1234
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 ( PHP I ncl ude Funct i on Tut or i al i n Bangl a) equi 4.
ei

  1234 ( PHP r eq ui r e Funct i on Tut or i al i n Bangl a) 5.
ei
 1i 1234
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 ( PHP Fi l e Funct i on Tut or i al i n Bangl a) 6.
ei
 1i ?
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 ( PHP Fi l e Upl oad Tut or i al i n Bangl a) 7.
ei
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 ( PHP Cooki e Tut or i al i n Bangl a) 8.
ei
 0 34
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 ( PHP Sessi on Tut or i al i n Bangl a) 9.
ei
 e hK
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 ( PHP Er r or Handl er Tut or i al i n Bangl a) 10.
ei
 0i 1234 ( PHP Mai l Funct i on Tut or i al i n Bangl a) 11. 11.
ei

1l
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 ( PHP Fi l t er Tut or i al i n Bangl a) C.
ei
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• • • •

1.
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 0Po R
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  ( PHP Fr amewor k Tut or i al i n Bangl a) 2.a яk a
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ei
 ( OOP & PHP Tut or i al i n Bangl a) [ \ a яk a
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 ( OOPHP Tut or i al i n Bangl a) \: \:^- ` || \: \:6- 10 || \: \: 1111 - 15 | | \: \: 1616- 23

•

4.0 ia4i u4 e 2 i4s ( CodeI gni t er Bangl a)

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5. 
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6.0 ia4i 4
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7.0 ia4i 0 ia4i e pg e
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Downl oad

& I nst al l

Tut or i al

in

A.
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1.


ei
 0

u
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  ( PHP Basi c)

  :

 яo$  %

ei' e %(     i! skp m e я : % skp ,c p g  %   b।e ,c 2 instruction e  3 run  s$k$   2  я ,$।“      i!”  i! 6 7  ,c ei skp (  iuя  mu 

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u ei' o$ я я  6 o$    ei'  !( 2 Process  3: 3 :  :  (Picture,Content etc)  :  % 3    : (math calculation,file operation etc)6   e

; HTML e  n  iuя  o$ b uя   > ।

ei' (PHP) ?:  PHP Hypertext Preprocessor e     i!,k p ,HTML-embedded skp  ($я।ei' e

 ( syntax ( C,Perl,Java

 @   ।ei  ($яA ud , o$ я d6 D6E  ! i  । ei' (PHP)   %(  я   : : :  1.HTML .;  HTML Form. 2. C я   6 , @ %2। 3.я  skp

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3 o$    ei'       hosting(я $( ) 6 ,।e я   (6 ,।e ;$A $  s 6

% '  ,। % 66   я % я mu i o$    is  ।e я m k o$ ( is 6 , %  mu *     o$  1.e PHP -compitable o$    3: apache 2.PHP *k in k in o$  1.o$ b uя  3 я  $ k(e 6   is :$ i %2) 2.e k e! 3:   !।% ei' e я Specialized e!o  ,  6  । s 6 %2। webcoachbd.com e Au $ ( N %   $ ei' 6  ।  ।

2.


ei
 i4s34 ( PHP I nst al l at i on Tut or i al i n Bangl a)

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p  Au $ A 6 N2 6 , e 76 %  , ।k in o$ (6   %2i e @ is :6 , o$    3 apache e ai ei' % e !  o$ o is :$  3:MySQL,  я  ( 6  2।e o$ (  O  o$ 3 $।P$ e6k ((  ' :$ o$ (  я  2।e ,я R  :c e  e e o$    3 is : ( e i is ,$ 3 ।% % : % :   is :6 , ।o$ A ,c XAMPP.XAMPP e 

 ! u !  is  http://www.apachefriends.org/download.php?xampp-win32-1.7.3.exe a  o$  e 6 is :। in ; !s XAMPP e eA %i :    !  k  o  a  a  6  - 3 U i is :$2   (i e XAMPP Control Panel   %i :6   a  n % 3: C U i is : 6 , C:\Program Files\xampp  C:\xampp ei    ।   e @ start   click (Apache e MySql)।

Apache o MySql '   b uя  eU   http://localhost  ' 6 e я ।  % English   k ।

ei яA % 7 %  6    is mn ,$2 a  n %  mu A e    ,  я 2(      )

3.


ei
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o 4 ( PHP Code Wr i t t i ng)

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r C drive e XAMPP i4s
r g 4 jt ei 01l htdocs 4 ?  01l ?v 0 o4 ?4 web content g o 4।  www !kn  ! ik ,c “C:\xampp\htdocs”(6 3: a U i is :  3:D drive 6 e , “D:\xampp\htdocs”). e 3: ei ! ik6 “mytest.php”      i   6 , % e 6 a  6   e -b uя  eU   http://localhost/mytest.php %c e   !    ',6  %( e   !   ?   !?6   6 ei'  !  я 2 s  iя! o  %2 3: Net Beans, Dreamweaver i6 : e( 6  !  a @  ।e( %    6 @i   , 3 @ (   !    ।e(   IDE (Integrated Development Environment).% 3 6  cn @    ,  ।

4.


ei
 0
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 ( PHP Synt ax Tut or i al i n Bangl a)

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 яo$  %

ei'  !   я  6 ai  i extension .php 6 ,।3: .html  6 , ei'  ! execute , । * ei'  ! e p6A a 'h :$ ; ,। * e ei' Scripting Block( e 6 3  ,$  $ e b ) !kn 6 6  । *p6A % : instruction(code line) k  d  ; ,। o e  %   ! e! (   !/U$   % 3  ,  )  e ' 6 

e  яA mypage.php    ,    $ htdocs browse  :$ : save in e я $( $।e  b uя  eU   http://localhost/mypage.php e en  :  ' 6 %u :6  ।

ei' e %u я :A sn  ^6 ,$ echo o print. ei' n:$ 'h %2 3:   ei'  !   e( :$   6 , e  !( % execute , ।6 n

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"; "; "; "; ";

e 6 k।

%     : ei'  ! 6 s  я  ,e  p A  6  6  я :6  ।

5.


ei
 0
 
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 ( PHP Var i abl es Tut or i al i n Bangl a)

  :

 яo$  %

 ,c e  t 6(Container) 3  % a 6   6  ।3 e kk String “Hello Bangladesh” a  e integer value 100.   e  e e  6   (    e 2   e    declare  a ; )    !я     ,  6  , 6 (value)A      

6।ei' 6  “$” ei 'hA :$ ai  6 ,  ,  я  । *    case sensitive. 3 $a_number and $A_number :A % : , ei' e :bc6। *m k   ei' 6   ,$ $variable_name = Value; u % '6  ( 6 3:   6   6 ' i 6 ,1.

*ei' e “Loosely Typed”  ($я 6 i  declare   $  e  i(@) ul  o ei' я

   R !  i  n  ।

   d6: 1.ai   letter or “_”(under score) :$  6 ,। 2.   @ alpha-numeric characters o underscores. a-z, A-Z, 0-9, or _ . 6  । 3.    s  3  ।3:   e a@ ,$ 6 , “___”underscore ($my_string) a  N , 6 ak($myString)6 ,।

6.


ei

sT2
u
 ( PHP St r i ng Tut or i al i n Bangl a)

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 яo$  %

ei' s e6k  ,  o (E % '  ,$।ei' Career e ei s e (tg g    ।6 i e    h  @   %।

s  ,  %( e  D6E  6 ,।e s   e    ,  ,6   a  e  $ store

6  ।' : ei s :  D6E 2,e   $ store  ,$2 %    echo  ,$2। 1.

u u: , p  s  $my_string  $ i $ :$ ,$2 % d6E$  % s  echo  ,$2,    $  store i।e я  $  6 , 3 3i   s  % e @   ,  p   @ 6i e     $ i $ store   । %c e  u  ! k       ।b uя  ' 6 %u  ।

e6k6 Double quotes d  s D6E  ,$2 e Single quotes d  s D6E 6    e i R,6  , %6 o apostrophes   '6। 1.

3: s e 6 single quotes  ,  :  ,$ 6 , e  echo ‘PHP it\’s neat’ % e  % 66 double quotes  ,   e6 2 @ %2 3 single quotes e  i। ei'   3 d6:A % '  , e :A  @ 6  p g   ($я e kt  ^6 ,$,n ei' 6 e  o$     %2 3 :$ ,  i s  3 $   quotation  ,   2 N i। , heredoc,e 66    s  ! 6 ,  , 7  ,।' :   e 6 ,$1.

e  3: s  6 , $A я ai $   6 ,*<<<  2 identifier %2 3 %   ,  6 , heredoc    %( 3 % TEST ,  2। * ;o eA  ,  2 e k  :$ ; ,। *e яi e  i ,,(indent)     iA   3  । %u ' 6 % 3,6 %
( i b :$  я  ^6 ,$) ( s e 6  ,  ।

7.


ei
 a
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( PHP Oper at or s)

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a  -     $ manipulate 6  ^6 ,$।3 @ a  %2 1.Unary – e     $(operand) $  я । 2.Binary-:A     $ $। 3.Ternary- 3A     $ $ । e     % Operator (  a  kEd 6   3-Arithmetic, Assignment, Comparison Operator etc. a  i4K a a ( ASSI GNMENT OPERATOR) OPERATOR) e a  ( e     $ a e     $   6  ^6 ,$। $my_var = 4; $another_var = $my_var; e $my_var o $another_var u$i   , 4. Operator

English

Example

+

Addition

2+4

-

Subtraction

6-2

*

Multiplication

5*3

/

Division

15/3

%

Modulus

43%10

01."; 08.echo "Perform subtraction: 6 - 2 = ".$subtraction."
"; 09.echo "Perform multiplication: 5 * 3 = ".$multiplication."
"; 10.echo "Perform division: 15 / 3 = ".$division."
"; 11.echo "Perform modulus: 5 % 2 = " . $modulus ?>

      e : -

j949 a ( COMPARI SON OPERATOR) OPERATOR) ei Operator     $ e @ relationship ' ।ei Operator n  statement e 6  % $  statement true   false. e  ,   ^6 2 Comparison Operator :$ ,$x=4 o $y=5 @ Operator

English

Example

Result

==

Equal to

$x=$y

False

!=

Not equal to

$x!=$y

True

<

Less than

$x<$y

True

>

Greater than

$x>$y

False

<=

Less than equal to

$x<=$y

True

>=

Greater than equal to

$x>=$y

False


sT2 a ( STRI NG OPERATOR) e 6 %(i % :2 %  , o 2-“”, ‘’ ARI THMETI C e 2 ASSI GNMENT OPERATOR e COMBI NATI ON Programming e e '6  я ,c e  $ :c ,   N  , 3 (  kt।% 3: 1   N 6 ' i 6 , $counter=$counter+1; 3 ,  k e   $counter+=1; Pre/Post-Increment e Pre/Post-Decrement: u e ad 6  ,6  ,e  %    ! %2   $

 1   N      $x++ 3 $x += 1; a  $x = $x + 1 e  । %    kt @ “-” a   ^6 ,।

8.


ei

K34 0sK ( PHP Condi t i onal St at ement )

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 яo$  %

  6 u   action $  я n  sn  ^6 ,$।@ % %  o$ i e e feature 3 ( 6 ' i 3 6 3: u %   i : 12   %( i  6 , :  “Good Morning” % 3: u  5    i  6 , :  “Good evening” ei @  e '$o я :  o a ! n!  я( 6 Conditional statement e : ,condition e u t  ei' s$k$   я( 6i । ei' 6 $ @ Conditional statement %2*if statement *if…else statement *if…elseif…else statement *Switch statement * I F STATEMENT

if statement A :$ 2  ! execute  ,$ 3 % : :$ condition A true ,$।' u: , %u , Have a nice day 3: p : Saturday ,$ 3:  !     । 1.

* I F…ELSE F ELSE STATEMENT %c o 6 e 2 3: k  6 ,     , , 3: k  , i।e i if…else statement e u: ,।e( 6 a $ %  si  ,    e @ e  ei'  ! :$ । 1.

: condition 3 :$2 3:  true ,$ a  n  ! 3:     : 3: Saturday ,$ 6 , %u , Have a nice day % 6  , Today is not Saturday. * I F…ELSEI F ELSEI F…ELSE F ELSE STATEMENT ei statement d  e  e @  ! b execute  3 $। view source print? 01. 02. 03.=60) 05.echo "First Division"; 06.elseif ($number>=45 and $number<60) 07.echo “Second Division”; 08.elseif($number>=33 and $number<45) 09.echo "Third Division"; 10.else 11.echo “Failed”; 12.?> 13. 14.

9.


ei
 9
u
 ( PHP Loop Tut or i al i n Bangl a)

  :

 яo$  %

% e я    6 % : i     ( 3 ei  50 i e @    @ ei  100

я @  i6 :।p g  e я     ,c e 'n i ei g bt  я $  i i  3 $। :$ e(  3 $।  ,c e e statement 3 :$ e  ! b  :c $  execute  3 $ 36k  % :  я ; ,$। 4 @  %2While Loop Do…while Loop For Loop Foreach Loop

10.


ei
 While 9

  :

 яo$  %

3 e condition true ,$ 6 while  A e  ! b  execute । 2 j 1.while (condition) 2.{ 3.code to be executed; 4.}

3: condition false ,$ 6 b  6  !A eN$ 3 $।3 ; b A % 6 condition %  ' ,true ,  ! %  execute ।condition e 36  :$ %2 66  e  'i।3: 01. 02. 03."; 08.$i++; 09.} 10.?> 11. 12.

p  i=1. e while($i<=5) a  n A 66k ' 36k I e   5

 2     ,।% A p6  1

  N। !A    %u % eThe number is 1 The number is 2 The number is 3 The number is 4 The number is 5 e  I e   6 :  %u %?2 i %   6 eA while loop e    6 i  ! execute , । DO…W DO WHI LE LOOP e while loop e 6i @   e k 3 condition A ; test  ,$, 6   6, 3 ,$ while  e।a n k e   A execute ,i। 2 j 1.Do 2.{ 3.Code to be executed 4.} 5.While(condition);

3 ' u: ,A  !Ao u 6 ei %u : @  я  n । 01."; 07.} 08.while ($i<=5); 09.?>

n e  3: i=6 :i 6 ,  ,?' 6 This is line 6 This line is outside while loop.so it will not repeat.

:  A p   ' 2 N i e   ! execute ,$2।p   execution e  ' 2 3 A repeat ,  ?n while loop e p  i ei ' ,$।

11.


ei
 1 9
u
(
u
( PHP For Loop)

  :

 яo$  %

ei  A e яA।  e  я while  :$o ,$,6 2 @    eA  ^6 ,$। 2 j 1.for (init; condition; increment) 2.{ 3.code to be executed; 4.}

for loop statement b  6 3A expression $ 3( k  d  k ,$।1 A assignment statement(loop control variable),p   A g bt %(i e e  execution ,$।2$ A Boolean expression 3 p6  g bt %(i e  e   s6(evaluate),$,ei   true , g bt ' % false return  6 , g bt n ,$ 3 ।3$ A :$ loop control variable e    N 6   6  ^6 ,$।' u: ,A : A  ,$2 i=1 :$ e eA ' 36k I e   5 e '$ 2     ,$।% I e   1   N। 1."; 5.} 6.?>

Output The number is 1 The number is 2 The number is 3 The number is 4 The number is 5

3  expression    eA6 e @ expression 6  , 3(  d  k ,।3: Boolean expression    6 , e default   true ,$।ei u: , ( %u 1-10 ,। %  %2   foreach loop eA array e    ^6 ,$ 6 i  %2

12.


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

  :

 яo  %

e  e single value e  t(container).n a  e @ value’ container   t।e a  , 2 u :   (R6 3  p6A u :  :c value %2-key  index  3 : u : A    ,। @ %   2 2 ,   s %2 e 3: e(    single variable e store   6 '  6 , e ,$city1= “Dhaka” $city2= “Chittagong”

$city3= “Rajshahi” $city4= “Sylet” $city5= “Khulna” $city6= “Barishal” n e a  e(  e   e @  6  ।a  @  (> d6 ,c 2 u :  k(series of element) 3  u : ( index 0

  , k    u6 ।   a   3  ' ,яA ,c1.

  e variable e  ,   store , (2,p6A ,   e eA u :  e p6A u :  eA index :c , (2।array’ 1 u :  e index/key ,c 0 6 , e  Dhaka[0],Chittagong[1]… e   ( ।e % 3  u :  e index number ul   u : A 6  ।3 1.

6 3: % ' i 6 , a  ei !l   6  :6  ,=> ei a A :।@ % ' c ei u a A starting index 2 :  ,  6 , e  6 ,। 1.“Dhaka”, “Chittagong”, “Rajshahi”, “Sylet”, “Khulna”, “Barishal”, “Barishal”); 3.?>

ei a  3  u :  g  ^6 ,6   6  index :c   я। a  

 a  ( ASSOCI ATI VE ARRAY) e6k6 g   index/key :  % ' i string o  ,  6  ।e i associative array ।3: 1.32, "rezwan"=>30,"refat"=>34); 3.?>


li434 a  ( MULTI DI MENSI ONAL ARRAY) ARRAY) e  e a  6 p6A u :  eA a  ,6   %  ei   a  p6A u : o eA a  ,6   e e  %o। 1.array("Bangladesh","India","Pakistan"), 4."Europe"=>array("England","France")"Africa"=>array("Kenya", 5."Libya","Somalia")); 6. 7.?>

a 
r 9
2

FOREACH LOOP @ eA associative array %2 e  % g bt 6 '  foreach statement : e 6  ।3: 1.”; 6.} 7.?>

Output Dhaka Chittagong Rajshahi Sylet Khulna Barishal Barishal

13.


ei
 1234
u
 ( PHP Funct i on)

  :

 яo  %

e ,c e   3 %    !b :6   e  i   @ ! p  !b ic6 execution  6  ।e ei' e g k 6  ।p  700 eo  l i   %2 ei' 6। e   3   , 6i e execute , % я 3  я (

 e     3 । 2 j 1.function functionName() 2.{ 3.code to be executed; 4.}

A:    :   e   : 3 :i 3  7 3   A  ।     ak  _ :  ,6  , m  :  , । e simple   3 : %     01.
02.function writeName() 03.{ 04.echo "Md.Rejoanul Alam"; 05.} 06. 07.echo "My name is "; 08.writeName(); 09.?>

Output My name is Md.Rejoanul Alam 1234  
 0qa 0qa        3 (  %o   A  u  3 ,e e: PHP variable e 6i।       e b  6  ,।3 01."; 05.} 06. 07.echo "My name is "; 08.writeName("Rejoanul "); 09.echo "My Father's name is "; 10.writeName("Samad"); 11.echo "My brother's name is "; 12.writeName("Anjirul"); 13.?>

Output My name is My Father's name My brother's name is Anjirul Alam. % u: ,

is

Rejoanul Samad

Alam. Alam.

01."; 04.} 05.myGreeting("Jack", "Black"); 06.myGreeting("Ahmed", "Zewail"); 07.myGreeting("Julie", "Roberts"); 08.myGreeting("Charles", "Schwab"); 09.?>

output Hello there Hello there Hello there Hello there Charles Schwab!

Jack Ahmed Julie

Black! Zewail! Roberts!

e     return 6 return statement  ,  6 ,।3 view source print? 01.

14.


ei
 1R
u
 ( PHP For m)

  :

 яo$  %

e6k ei'’ 36 2  , e  6 p$ ( $ e2। iuя 

 6  6  ^6 ,$।ei 6  ei' я :$ 3 $ e ei' :$i e  ,$।ei' 6 :A $ %2 3  ,6 ! (iuя  i) 6  %6  ^6 ,$$_GET e $_POST.e ei'Aee  :  , 3  :A i l % eA     %2। 1.

2.Name: 3.Age: 4. 5.

iuя  3 A g      k  6 ! ei'  i ' 3  3    “welcome.php” e  % я P$ k 2 3  !A6 method=POST :$ %2,Form e ! ei' 6 6 :A d6

 ,  ,$ POST e GET. welcome.php  iA , e 1.Welcome !
2.You are years old.

e @ % A6   я $( $ : rezwan e age : 24,e      k  %u   e Welcome rezwan! You are 24 years old.

15.


ei
 $_GET $_GET 0g ( PHP $_GET Met hod)

  :

 яo$  %

 6  GET  ! e  >   6  b uя  eU  p:6 ,$ e  i :6  $।6 2 N 6 k 6   >  3  6  eA E %2  @ 6  c 250 A character (e %    e b uя  u   3 6 : URL e D:a 6: ,।) 3 1.

2.Name: 3.Age: 4. 5.

3 iuя      k  6 b uя  eU  ' 6 :  http://www.w3schools.com/welcome.php?fname=Peter&age=37 welcome.php  iA e $_GET Method    ,    ! g, । 1.Welcome .
2.You are years old!

16.


ei
 0s 0g
u
 ( PHP $_POST Met hod)

  :

 яo$  %

ei d66 3 6 i  >  ,  6 u :6   b uя  eU o p:6 ,$ । e  @ , 36 ic 6   > 6  (%  c 8Mb 3n  >  3 $।)

Name: Age:

e  3 iuя      k  6 b uя  eU  ' 6 :  http://www.w3schools.com/welcome.php % e   ! $_POST Method d66 (b,E6 ,। Welcome !
You are years old.

o4 0 4  t  4 al 6  , GET Method %  6  e iuя   password i6 : kt POST Method  ,    ।

B.a n
ei
 1.

a n
ei

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

  :

 яo  %

webcoachbd.com e ei     ei' a ! n! Au    3-ei' ,k, i, !,e ,n  i6 :।

2.


ei
 0 1234
u
 ( PHP Dat e Funct i on Tut or i al i n Bangl a)

  :

 яo  %


ei
 0 1234 ( PHP DATE FUNCTI ON) % %  oя    | 6  6 / : 6 ' i6   6 ei' e date()   d  eA 6  ।3 view source print? 1."; 3.echo date("Y.m.d") . "
"; 4.echo date("Y-m-d") 5.?>

Output 2009/05/11 2009.05.11 2009-05-11

e  % 3  A 2n  A : :।

3.


ei
 i4k9 1234
u
 ( PHP I ncl ude Funct i on Tut or i al i n Bangl a)

  :

 яo$  %

% ic i    eku   %(i ei' e e  i a a % ei'  i i $ :6   include()   :$। Require()-  , fatal error((6  ) :  e skpA eku  n  :। Include()-  , 6  : e skpA eku  e   :A :$ a  я ' 3 $ 3 % 3: e , ,! ,    3  a 3 % '  3 %  o$  i  яi e :  6 , e ei'  i  ( , ,! ,   i6 :) D6E  a  я e   :A :$ 3 (  :6  । % : % :   p6A я % e( 3 ( 6 , ।%  3: ei include  i   2 %!    e   6  я 3 (  6 ,   я ($i 3k ,।b    я ($ % 3 ( 6 , ।u: ,,@ “menu.php”  e  i aa2 ' 6 1.
href="/default.php">Home href="/tutorials.php">Tutorials href="/references.php">References href="/examples.php">Examples href="/about.php">About Us href="/contact.php">Contact Us

e  3 ( 6 , e  view source print? 01. 02. 03. 06.

Welcome to my home page.

07.

Some text.

08. 09.

4.


ei

  1234 ( PHP r equi r e Funct i on Tut or i al i n Bangl a)

  :

 яo$  %

require()   include() e 6i @  t   ,  %'  e u t  e n6 %2।

Include() e    e я :। 01. 02. 03. 04. 08. 09.

Error message: Warning: include(wrongFile.php) failed to No such file or directory Warning: include() Failed opening (include_path='.;C:\php5\pear') in C:\home\website\test.php

in

[function.include stream on line

open C:\home\website\test.php

'wrongFile.php'

[function.include inclusio

for on

line

Hello World! Notice that the echo statement is executed! This is because a Warning does not stop the script execution. require() Function e    e я : Now, let's run the same example with the require() function. 1. 2. 3. 7. 8.

Error message: Warning: require(wrongFile.php) failed to No such file or directory Fatal Failed opening (include_path='.;C:\php5\pear') in C:\home\website\test.php on line 5 echo statement e  eku ,$ i

in

open C:\home\website\test.php

error: require() required

[function.require stream on line

[function.require 'wrongFile.php

5.


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Description

r

Read only. Starts at the beginning of the file

r+

Read/Write. Starts at the beginning of the file

w

Write only. Opens and clears the contents of file; or creates a new file if it doesn exist

w+

Read/Write. Opens and clears the contents of file; or creates a new file if exist

a

Append. Opens and writes to the end of the file or creates a new file if it doesn't exis

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 already exists

x+

Read/Write. Creates a new file. Returns FALSE and an error if file already exists

3: :c  iA fopen() function A 6  , 6 , ' 6  !A  e я :  , 1. 2. 3. 6. 7.

e  1i 0kя 

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CHARACTER BY CHARACTER CHARACTER e  1i „ fgetc() function A e  i

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 eA eA  ak u। view source print? 1.

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ei    @ iuя  %      i % ! 6  ।3 01. 02. 03. 04.

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09. 10.

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e  action="upload_file.php" e method="post" : ,2 a  n     k   ! (

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"; 05.} 06.else 07.{ 08.echo "Upload: " . $_FILES["file"]["name"] . "
"; 09.echo "Type: " . $_FILES["file"]["type"] . "
"; 10.echo "Size: " . ($_FILES["file"]["size"] / 1024) . " Kb
"; 11.echo "Stored in: " . $_FILES["file"]["tmp_name"]; 12.} 13.?>

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01. 0) 08.{ 09.echo "Error: " . $_FILES["file"]["error"] . "
"; 10.} 11.else 12.{ 13.echo "Upload: " . $_FILES["file"]["name"] . "
"; 14.echo "Type: " . $_FILES["file"]["type"] . "
"; 15.echo "Size: " . ($_FILES["file"]["size"] / 1024) . " Kb
"; 16.echo "Stored in: " . $_FILES["file"]["tmp_name"]; 17.} 18.} 19.else 20.{ 21.echo "Invalid file"; 22.} 23.?>

? …j 1i 0   o %(i 2 u  !( :     i as E(temporary copy)    ,,s E     я e   !A  01. 0) 08.{ 09.echo "Return Code: " . $_FILES["file"]["error"] . "
"; 10.} 11.else 12.{ 13.echo "Upload: " . $_FILES["file"]["name"] . "
"; 14.echo "Type: " . $_FILES["file"]["type"] . "
"; 15.echo "Size: " . ($_FILES["file"]["size"] / 1024) . " Kb
"; 16.echo "Temp file: " . $_FILES["file"]["tmp_name"] . "
"; 17. 18.if (file_exists("upload/" . $_FILES["file"]["name"])) 19.{ 20.echo $_FILES["file"]["name"] . " already exists. "; 21.} 22.else 23.{

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.else 31.{ 32.echo "Invalid file"; 33.} 34.?>

skpA : %(

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ei
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session_destroy()  reset  e e6        6  ,  ।

9.


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to

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ei  !A u  ! ' e n।e e  @  d6 e6 error , skp n , 3 ।6 e d6  ,   a  R ।

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Description %।iuя  b 6   error report level :c ।ai e

value number 6 ,।'  m  error report level : ,। error_message

%। iuя  b 6   я error message :c ।

error_file

pc। p  iA   ul  3    ,2।

error_line

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error_context

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Description run-time errors. skp Execution n , Run-time notices. iuя b 6   t  ।e E_ERROR e 6 3 p g     : 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 e warnings, @ level E_STRICT 2 u (E_STRICT PHP 6.0 e E_ALL e a ,।) e  e  1234 ijk  e hK e яn 1.function customError($errno, $errstr) 2.{ 3.echo "Error: [$errno] $errstr
";

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

e e  @  error handling  ।3 e ' 6 e e error level e я  ।ei  e я %u , : skp  p । e hK 0  

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u  ! %u , e Error: [8] Undefined variable: test 0 4 9 TRIGGER 

  skp 3  iuя  ! i 6     trigger  u E 3 iuя   /aƒ@ i ।trigger_error() function : e  ,।ei u: , test   3: 1 e ' u , 6 error ,। 1.1) 4.{ 5.trigger_error("Value must be 1 or below"); 6.} 7.?>

%u Notice: Value must be 1 or below in C:\webfolder\test.php on line 6 e error  skp 3  я (  trigger  3  e %     3 (  :c  :6   3   error

level A trigger  ,2। m  error e @ • • •

E_USER_ERROR E_USER_WARNING E_USER_NOTICE

u: , 3: test   e   1 e '  , 6 , e  E_USER_WARNING error A , e e % я D6E error handler A  ,  । 01.Error: [$errno] $errstr
"; 06.echo "Ending Script"; 07.die(); 08.} 09. 10.//set error handler 11.set_error_handler("customError",E_USER_WARNING); 12. 13.//trigger error 14.$test=2; 15.if ($test>1) 16.{ 17.trigger_error("Value must be 1 or below",E_USER_WARNING); 18.} 19.?>

%u Error: [512] Ending Script

Value

must

be

1

or

below

e 
a2 PHP 6 error_log()   e   li %2 e : 3  ic error log( 3  A , 6  6 )A  > 6   e я i R  6o। ii tq e 0 я ‹4
handler customError($errno, "Error: "Webmaster

[$errno] has

function $errstr) $errstr

/>"; notified";

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

$errstr",1,

//set error set_error_handler("customError",E_USER_WARNING); //trigger $test=2; if { trigger_error("Value must } ?> %u Error: [512] Value Webmaster has been notified ei  !   e e i  

handler

error ($test>1) be

1

must

or

be

below",E_USER_WARNING);

1

or

below

Error: [512] Value must be 1 or below

10.


ei

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08."max_range"=>256 09.) 10.); 11. 12.if(!filter_var($var, FILTER_VALIDATE_INT,$int_options)) 13.{ 14.echo("Integer is not valid"); 15.} 16.else 17.{ 18.echo("Integer is valid"); 19.} 20.?>

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");

25.} 26.elseif(!$result["email"]) 27.{ 28.echo("E-Mail is not valid.
"); 29.} 30.else 31.{ 32.echo("User input is valid"); 33.} 34.?>

11.


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$rejoan = new people(); $riad= new people; $rejoan->set_name("Rejoanul Alam"); $riad->set_name("Anjirul Alam"); ?>

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function __construct($employee_name) { $this->set_name($employee_name); } } ?>

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

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people::set_name($new_name); } } function __construct($employee_name) { $this->set_name($employee_name); } } ?>

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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($new_name); } } function __construct($employee_name) { $this->set_name($employee_name); } } ?>

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