php geo book

2007

PHP

|Gnome

2007 , PHP- .

I

PHP

PHP

?

php- , :

HTML / XHTML

HTML- : http://ka.wikibooks.org/wiki/HTML

PHP?

PHP , , Hypertext Preprocessor( )

PHP , ASP

PHP

PHP (MySQL, Informix, Oracle, Sybase, Solid,

PostgreSQL, Generic ODBC ..) PHP (OSS) PHP -

PHP ?

PHP , HTML

PHP , HTML

PHP : ".php", ".php3", ".php4", ".php5", ".phtml"

MYSQL?

MySQL

MySQL

MySQL SQL- MySQL

MySQL-

PHP + MYSQL

PHP MySQL - ( , Windows- Unix )

PHP?

PHP (Windows, Linux, Unix ..)

PHP , - (Apache, IIS ..)

PHP

?

Apache server, Windows-, Linux -

PHP , Windows-, Linux - MySQL , Windows-, Linux -

PHP INSTALL

?

, , PHP, MySQL, Apache Server.

PHP - , ! , .php . PHP-.

, PHP-, PHP. PHP- :

http://www.php.net/manual/en/install.php

PHP

PHP: http://www.php.net/downloads.php

MYSQL

MySQL : http://www.mysql.com/downloads/index.html

APACHE

Apache : http://httpd.apache.org/download.cgi

PHP

PHP

PHP : . PHP .

, , : .

, :

PHP HTML , , HTML PHP

.

PHP , "Hello World" :

PHP- -. - , .

PHP- : echo print. echo.

PHP-

PHP-, // -, , /* */

.

PHP

PHP-

, ,

, .

, .

PHP- : $.

PHP- :

$var_name = value;

:

PHP

PHP-

, , PHP- .

PHP .

, : _

(a-Z, 0-9, _ )

.

, ($my_string), ($myString)

PHP

PHP-

, .

.

, .

, PHP "Hello World" $txt :

$txt="Hello World";

echo $txt;

?>

:

Hello World

.

(.) .

:

:

Hello World 1234

,

. . .

STRLEN()

strlen() .

"Hello world!" :

:

12

STRPOS()

strpos() , .

, . , : FALSE.

:

: 6

"world" .

, 0- 1-.

PHP

+ X=2; x+2 4

- X=2; 5-x 3

* X=4; x*5 20

/ 15/5 3

% 5%2 1

++ X=5; x++ X=6

-- X=5; x-- X=4

...,

= X=y x=y

+= X+=y x=x+y

-= x-=y x=x-y

*= X*=y x=x*y

/= X/=y x=x/y

%= X%=y x=x%y

== 5==8, False

!= 5!=8, True

> 5>8, False

< 5= , 5>=8, False

&& And x=6 y=3

(x < 10 && y > 1) true

|| Or x=6 y=3

(x==5 || y==5) false

! Not x=6 y=3 !(x==y) true

PHP IF. ..ELSE

, ,

.

.

if...else - ,

, .

elseif - if...else- , .

IF...ELSE

:

if (condition)

code to be executed if condition is true;

else

code to be executed if condition is false;

:

"Have a nice weekend!" , "Have a nice day!":

ELSEIF

:

if (condition)


elseif (condition)


else

code to be executed if condition is false;

:

"Have a nice weekend, Friday, "Have a nice Sunday!", . "Have a nice day!":

PHP SWITCH

, Switch .

switch if..elseif..else .

:

switch (expression)

{

case label1:

code to be executed if expression = label1;

break;

case label2:

code to be executed if expression = label2;

break;

default:

code to be executed

if expression is different

from both label1 and label2;

}

:

:

.

.

, .

, break

.

(default) .

PHP

?

PHP-, , .

, .

ID, .

:

Numeric array( ) - ID Associative array( ) - , ID

.

Multidimensional array( ) - .

.

1:

, ID :

$names = array("Peter","Quagmire","Joe");

2:

, ID :

$names[0] = "Peter";

$names[1] = "Quagmire";

$names[2] = "Joe";

ID :

,

:

$ages['Peter'] = "32";

$ages['Quagmire'] = "30";

$ages['Joe'] = "34";

ID :

:

Peter is 32 years old.

:

, ID

:

$families = array

(

"Griffin"=>array

(

"Peter",

"Lois",

"Megan"

),

"Quagmire"=>array

(

"Glenn"

),

"Brown"=>array

(

"Cleveland",

"Loretta",

"Junior"

)

);

, :

Array

(

[Griffin] => Array

(

[0] => Peter

[1] => Lois

[2] => Megan

)

[Quagmire] => Array

(

[0] => Glenn

)

[Brown] => Array

(

[0] => Cleveland

[1] => Loretta

[2] => Junior

)

)

2:

:

echo "Is " . $families['Griffin'][2] .

" a part of the Griffin family?";

:

Is Megan a part of the Griffin family?

PHP

, , . .

PHP- :

while -

do...while -

for - n- foreach -

WHILE

while (condition)

code to be executed;

, i , 5-. i 1-:

DOWHILE

do

{


}

while (condition);

i- i- 5:

FOR

for (initialization; condition; increment)

{


}

: For . ,

.

, , .

True, False.

"Hello World!"- :

FOREAC H

, $value -

, .

foreach (array as value)

{


}

PHP

PHP

, .

PHP :

"function()"

- .

.

"{" - .

"}" -

PHP

:

My name is Kai Jim Refsnes.

My name is Hege Refsnes.

My name is Stale Refsnes.

2

:

:

My name is Kai Jim Refsnes.

My name is Hege Refsnes!

My name is Stle Refsnes...

PHP -

:

1 + 16 = 17

PHP

PHP

:

Name:

Age:

HTML .

, "welcome.php" .

"welcome.php" :

Welcome .

You are years old.

:

Welcome John.

You are 28 years old.

PHP $_GET

THE $_GET

$_GET HTTP GET

.

$_GET method="get"- . , GET (

) (. 100

).

Name:

Age:

, URL :

http://geocg.myweb.ge/welcome.php?name=Peter&age=37

"welcome.php" $_GET

:

Welcome .

You are years old!

$_REQUES T

PHP $_REQUEST : $_GET, $_POST, $_COOKIE.

PHP $_REQUEST , GET POST .

:

Welcome .

You are years old!

PHP $_POST

$_POST

$_POST HTTP POST .

$_POST method="post"- . , POST .

Enter your name:

Enter your age:

, URL :

http://geocg.myweb.ge/welcome.php

"welcome.php" $_POST

:

Welcome .

You are years old!

II

PHP

PHP

PHP DATE()

:

date(format,timestamp)

.

. .

PHP - ?

, January 1, 1970 at 00:00:00 GMT. Unix .

PHP -

date() /

. / .

, :

d - / (01-31)

m - (01-12)

Y -

, "/", ".", "-"

:

:

2007/07/11

2007.07.11

2007-07-11

PHP -

date() .

. ,

.

, mktime() .

mktime() Unix .

:

mktime(hour,minute,second,month,day,year,is_dst)

mktime():

:

Tomorrow is 2006/07/12

PHP -

PHP ,

include(), require() . , . include()

( ) , require() ( ).

, , ,

,

.

.

, .

, ,

, .

INCLUDE()

include()

.

1:

, "header.php".

, include() :

Welcome to my home page

Some text

2:

.

:

Home |

About Us |

Contact Us

, "index.php", "about.php", "contact.php" "menu.php" .

:


Some text

:

Home |

About Us |

Contact Us


Some text

REQUIRE( )

include() ,

.

PHP :

:

Warning: include(wrongFile.php) [function.include]:

failed to open stream:

No such file or directory in C:\home\website\test.php on line 5

Warning: include() [function.include]:

Failed opening 'wrongFile.php' for inclusion

(include_path='.;C:\php5\pear')

in C:\home\website\test.php on line 5

Hello World!

echo !

.

require() .

PHP :

:

Warning: require(wrongFile.php) [function.require]:

failed to open stream:

No such file or directory in C:\home\website\test.php on line 5

Fatal error: require() [function.require]:

Failed opening required 'wrongFile.php'

(include_path='.;C:\php5\pear')

in C:\home\website\test.php on line 5

echo .

require() .

PHP -

fopen() PHP- .

,

, :

- :

r .

r+ /.

w . ;

w+ /. ;

a . , ,

a+ /.

x . . FALSE ,

x+ /. . FALSE ,

: fopen() , 0-.

, fopen() :

fclose() :

END-OF-FILE-

feof() , ("end-of-file" (EOF)) .

feof() .

: , w, a, x !

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

-

fgets() .

: .

- , , :

-

Fgetc() - .

: .

- , , :

PHP -

HTML :

Filename:

HTML :

enctype ,

.

"multipart/form-data" , , .

: .

"upload_file.php" :

PHP $_FILES

.

input , "name", "type", "size", "tmp_name", "error". :

$_FILES["file"]["name"] -

$_FILES["file"]["type"] -

$_FILES["file"]["size"] -

$_FILES["file"]["tmp_name"] - $_FILES["file"]["error"] -

. ,

.

.

.gif, . jpeg 20 kb-:

: IE- jpg pjpeg, FireFox- jpeg.

, .

, . :

PHP COOKIES()

(COOKIE)?

.

, .

, .

PHP-, .

?

setcookie() .

: setcookie() .

:

setcookie(name, value, expire, path, domain);

:

"user"

"Alex Porter":

?

PHP $_COOKIE .

, "user"

:

isset() , :

?

:

, ,

.

"welcome.php"- "Submit" :

Name:

Age:

"welcome.php"- :

Welcome .

You are years old.

PHP

PHP

, ,

. . . . : .

PHP . ,

.

(UID) UID-.

PHP

PHP , .

: session_start() :

,

UID .

PHP $_SESSION

:

:

Pageviews=1

, . isset()

"views" . "views" ,

. "views" ,

"views" 1-:

, unset(), session_destroy()

.

unset() :

session_destroy()

:

: session_destroy() .

PHP .

PHP MAIL()

PHP mail() . .

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

to . . /

subject . .

: .

message . . LF (\n)-.

headers . , From, Cc Bcc.

CRLF (\r\n)-

parameters .

PHP .

PHP- . .

($to, $subject, $message, $from, $headers), mail() :

PHP

PHP- -. :

{

echo "

Email:

Subject:

Message:

";

}

?>

,

.

?

[email protected]%0ACc:[email protected]

%0ABcc:[email protected],[email protected],

[email protected],[email protected]

%0ABTo:[email protected]

mail()

Cc:, Bcc: To: . Submit , .

PHP .

.

, , :

}

else

{

//send email

$email = $_REQUEST['email'] ;

$subject = $_REQUEST['subject'] ;

$message = $_REQUEST['message'] ;

mail("[email protected]", "Subject: $subject",

$message, "From: $email" );

echo "Thank you for using our mail form";

}

}

else

//if "email" is not filled out, display the form

{

echo "

Email:

Subject:

Message:

";

}

?>

PHP -

PHP

,

. ,

.

:

"die()"

: DIE()

, :

:

Warning: fopen(welcome.txt) [function.fopen]: failed to open stream:

No such file or directory in C:\webfolder\test.php on line 2

, ,

, :

, :

File not found

,

.

, . PHP .

.

, PHP- .

:

error_function(error_level,error_message,

error_file,error_line,error_context)

error_level . .

error_message .

error_file . ,

error_line . ,

error_context . ,

:

2 E_WARNING - .

8 E_NOTICE - . ,

256 E_USER_ERROR .

PHP trigger_error()-

E_ERROR-

512 E_USER_WARNING .


E_WARNING-

1024 E_USER_NOTICE .


E_NOTICE -

4096 E_RECOVERABLE_ERROR . E_ERROR-,

8191 E_ALL , E_STRICT -

:

function customError($errno, $errstr)

{

echo "Error: [$errno] $errstr";

echo "Ending Script";

die();

}

.

, . .

, , .

PHP- .

.

,

. ,

. , :

set_error_handler("customError");

, ,

set_error_handler()- , .

:

, , :

:

Custom error: [8] Undefined variable: test

,

, . PHP- trigger_error() .

:

, "test" , "1":

:

Notice: Value must be 1 or below

in C:\webfolder\test.php on line 6

,

, .

:

E_USER_ERROR - - .

.

E_USER_WARNING - - . .

E_USER_NOTICE - . - . , .

:

E_USER_WARNING . , "test" , "1". E_USER_WARNING

:

:

Error: [512] Value must be 1 or below

Ending Script

,

.

, PHP ,

, error_log php.ini

. error_log() , .

- .

-

,

:

:


Webmaster has been notified

- :


. , PHP

.

PHP

?

PHP 5- .

,

. .

:

.

, , , .

:

-

: .

, PHP "" .

, "Uncaught Exception"

.

:

:

Fatal error: Uncaught exception 'Exception'

with message 'Value must be 1 or below' in C:\webfolder\test.php:6

Stack trace: #0 C:\webfolder\test.php(12):

checkNum(28) #1 {main} thrown in C:\webfolder\test.php on line 6

,

, .

:

1. - , "try" .

, . ,

, "". 2. - , . ""

"".

3. - "" , .

:

:

Message: Value must be 1 or below

:

:

1. checkNum() . , , 1-. , .

2. checkNum() "try"

3. checkNum()

4. "catch" ($e) ,

5. $e->getMessage()- .

, " "

. - , .

.

, ,

PHP- . .

PHP-

.

:

errorMessage() .

, - getLine() getFile() getMessage().

:

:

1. customException() ,

.

2. errorMessage() . ,

- 3. "try" , -

4. "catch"

,

.

if..else , , . :

:

,

:

1. customException() .


-

3. "try"

4. , - "example"

5. "catch"

, , .

, ,

. "catch" .

.

, . :

:

- , "example", , :

1. customException()


- 3. "try" "try" ,

4. , "example"

5. "catch" "customException" 6. "customException"

"try" ,

" " .

-

:

Exception: Uncaught Exception occurred

"catch" .

.

,

, ""

()

: , .

PHP

PHP ?

PHP

.

?

.

, . , .

!

?

, - :

filter_var() - ,

filter_var_array() - , ,

filter_input -

filter_input_array - ,

, filter_var() :

"FILTER_VALIDATE_INT" . : "Integer is valid".

, ( "123abc"), : "Integer is not valid".

:

:

:

.

.

, filter_var(), "min_range" "max_range" :

,

options . .

"300"-, : "Integer is not valid".

, .

filter_input() .

, "email PHP :

else

{

if (!filter_input(INPUT_GET, "email", FILTER_VALIDATE_EMAIL))

{

echo "E-Mail is not valid";

}

else

{

echo "E-Mail is valid";

}

}

?>

:

, "GET" :

1. , "GET" "email" 2. , -

.

filter_input() .

, "url" PHP :

:

, "POST" :

1. , "POST" "url"

2. , $url

: "http://geocg.myweb.ge/", $url :

http://geocg.myweb.ge/

. filter_var filter_input

, filter_var_array, filter_input_array .

filter_input_array() , GET

. GET , - :

III

PHP

PHP MYSQL

MYSQL?

MySQL . .

. HTML , , .

, ,

. : "", "", "" "".

, . . .

"Persons" :

Hansen Ola Timoteivn 10 Sandnes

Svendson Tove Borgvn 23 Sandnes

Pettersen Kari Storgt 20 Stavanger

(, ) (, , ).

, .

MySQL- , .

:

SELECT LastName FROM Persons

,

:

Hansen

Svendson

Pettersen

MYSQL -

MYSQL

,

.

PHP-, mysql_connect() .

:

mysql_connect(servername,username,password);

servername . "localhost:3306"

username .

password . .

($con)

. "die" :

{

die('Could not connect: ' . mysql_error());

}

// some code

?>

, . the mysql_close() .

MYSQL -

CREATE DATABASE MySQL .

CREATE DATABASE database_name

PHP- ,

mysql_query() . , MySQL

.

"my_db":

CREATE TABLE MySQL-

.

CREATE TABLE table_name

(

column_name1 data_type,



.......

)

CREATE TABLE mysql_query() ,

.

"person", .

"FirstName", "LastName" "Age":

: .

mysql_select_db() .

: varchar ,

, .: varchar(15).

MYSQL

MySQL :

int(size) smallint(size)

tinyint(size) mediumint(size) bigint(size)

.

size

decimal(size,d) double(size,d)

float(size,d)

.

size .

d

char(size) .

varchar(size) .

tinytext , 255

text

blob , 65535

mediumtext mediumblob

, 16777215

longtext longblob

, 4294967295

date(yyyy-mm -dd)

datetime(yyyy-mm -dd hh:mm:ss) timestamp(yyyymmddhhmmss) time(hh:mm:ss)

/

Misc.

enum(value1,value2,ect) ENUM ENUMERATED .

65535 .

, ,

set SET ENUM-. , SET

64 .

MYSQL -

INSERT INTO

.

INSERT INTO table_name

VALUES (value1, value2,....)

, :

INSERT INTO table_name (column1, column2,...)

VALUES (value1, value2,....)

: SQL , , .

PHP- mysql_query()

.

submit ,

"insert.php" . "insert.php" , PHP $_POST . , mysql_query()

INSERT INTO .

"insert.php" :

:

Peter Griffin

Glenn Quagmire

HTML

HTML :

:

Firstname Lastname

Glenn Quagmire

Peter Griffin

MYSQL -

, ,

WHERE clause, SELECT .

SELECT column FROM table

WHERE column operator value

WHERE clause- :

=

!=

>

<

>=

SELECT column_name(s)

FROM table_name

ORDER BY column_name

:

Glenn Quagmire 33

Peter Griffin 35

,

ORDER BY-, .

DESC :


FROM table_name

ORDER BY column_name DESC

.

, , :


FROM table_name

ORDER BY column_name1, column_name2

MYSQL -

UPDATE

.

UPDATE table_name

SET column_name = new_value

WHERE column_name = some_value

FirstName LastName Age

Peter Griffin 35

Glenn Quagmire 33

"Person" :

FirstName LastName Age

Peter Griffin 35

Glenn Quagmire 33

"Person" , LastName='Griffin':

IV

PHP XML

PHP XML EXPAT PARSER

XML?

XML . XML

.

XML-, . .

EXPAT?

- - XML , XML .

XML :

- : XML

.

. .: Document Object Model (DOM)

- : XML ,

. ,

- .

- XML

.

XML :

Jani

, - XML-, :

: from

CDATA , : Jani : from

XML well-formed XML-. ,

XML-, (Document Type Definition (DTD)).

XML PHP- .

.

XML

XML :

Tove

Jani

Reminder

Don't forget me this weekend!

XML

XML PHP-,

XML XML .

//Function to use at the end of an element

function stop($parser,$element_name)

{

echo "";

}

//Function to use when finding character data

function char($parser,$data)

{

echo $data;

}

//Specify element handler

xml_set_element_handler($parser,"start","stop");

//Specify data handler

xml_set_character_data_handler($parser,"char");

//Open XML file

$fp=fopen("test.xml","r");

//Read data

while ($data=fread($fp,4096))

{

xml_parse($parser,$data,feof($fp)) or

die (sprintf("XML Error: %s at line %d",

xml_error_string(xml_get_error_code($parser)),

xml_get_current_line_number($parser)));

}

//Free the XML parser

xml_parser_free($parser);

?>

:

-- Note --

To: Tove

From: Jani

Heading: Reminder

Message: Don't forget me this weekend!

:

1. XML xml_parser_create()

2. 3. xml_set_element_handler() , ,

,

4. xml_set_character_data_handler() , ,

,

.

5. "test.xml" xml_parse() 6. , xml_error_string() XML

7. xml_parser_free() , , xml_parser_create()

PHP XML DOM

DOM?

W3C DOM HTML XML

.

W3C DOM (Core, XML HTML)

(DOM 1/2/3):

Core DOM -

XML DOM - XML

HTML DOM - HTML

DOM

DOM - .

XML :

Jani

XML DOM XML-, :

1: XML

2: : 3: : "Jani"

XML

XML :

Tove

Jani

Reminder


XML-

XML , xml- :

load("note.xml");

print $xmlDoc->saveXML();

?>

:

Tove Jani Reminder Don't forget me this weekend!

"View source" , HTML :

Tove

Jani

Reminder


DOM - XML- "note.xml"-.

saveXML() XML ,

.

XML

XML , XML-

:

load("note.xml");

$x = $xmlDoc->documentElement;

foreach ($x->childNodes AS $item)

{

print $item->nodeName . " = " . $item->nodeValue . "";

}

?>

:

#text =

to = Tove

#text =

from = Jani

#text =

heading = Reminder

#text =

body = Don't forget me this weekend!

#text =

PHP SIMPLEXML

SIMPLEXML?

SimpleXML PHP 5-. , XML .

DOM, Expat parser- , SimpleXML , .

SimpleXML XML , :

- SimpleXMLElement

. , ,

- ,

-

.

SimpleXML ,

:

XML

XML

,

SIMPLEXML-

XML :

Tove

Jani

Reminder


:

1. XML

2.

3. , , children()

4. getName() . "";

foreach($xml->children() as $child)

{

echo $child->getName() . ": " . $child . "";

}

?>

: note

to: Tove

from: Jani

heading: Reminder

body: Don't forget me this weekend!

php geo book

Documents