php course 8

7/21/2019 Php Course 8

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Date : 2/25/2014

Web Technology SolutionsClass: Application Syndication: Pase and Publish !SS " #$% Data



Tonight

&ntoduction to #$%

Ceating #$%' !SS' and (S)* +ith P,P

using si-ple#$% .o #$%!SS%ab



%ab Peie+

Application Deelop-ent

!egistation eatue

%ogin%ogout

$aintain State

Ad-in C!D .o Suey

Publish #$% and !SS



%ab Peie+

Application Deelop-ent:

Adding #$% and !SS

Publish an !SS .eed o. you sueyesponses

Publish an #$% du-p o. you suey

esponses

3ou +ill i-ple-ent an C) to poide#$% publication o. a table in youdatabase Poide a !% o. .eed



inal Po6ect!eie+

inal Po6ect 7 Web App 8lin9

egistation .eatue 8+ee9 ;

login logout 8+ee9 <

ad-in ability toceateeadupdatedelete 8C!D8+ee9 475

$aintain State thoughout app8coo9iessessions 8+ee9 <

#$% and !SS .eeds 8+ee9 =

>alid #,T$% and CSS design



Web Apps

Poble- +ith apps:

Data stoed in othesyste-s can?t be shaedeasily

Data is in di@eent

.o-ats

Data has no -eaning toothe syste-s' 6ust itso+n natie syste-



Web Apps

oals:

Shae in.o-ation acoss-ultiple enion-ents

)pen' Beible language to

shae data

Poide sche-atic -eaningto data ele-ents



Solution:XML



&nto to #$%

$a9up language .o docu-entscontaining stuctued in.o-ation

tensible $a9up %anguage 8a9into ,T$%

Suppoted by WC as a standad

Poides 9no+n stuctue and

eleant -eaning to that datastuctue

Widely used 8iTunes' eg

Pe.ect .o P,P deelopes to

shae data



Te-s o. #$%

$eta: liteally Epoides-eaningF

Sche-a: A logical oganiGedstuctue o. data

Tags: le-ents in #$% that aedata containes

Attibutes: tend -eaning o. atag

SeialiGe: saing o stoing data

*odes: a D)$ stuctue o. a dataob6ect 8tee



#$% Sa-ple

Conside this ea-ple:

HI-l esionJF10FIK

Hpoduct bacodeJF2242FK

H-a9eKS-ithsonH/-a9eK

Hna-eKApe D>D Playe 12H/na-eK

HLuantityKH/LuantityK

HsiGeKc-H/siGeK

HcoloKblac9H/coloK

H/poductK



#$% Synta Stuctue


HI-l esionJF10FIK // #$% DeMnition 8esion

Hpoduct bacodeJF2242FK




HsiGeKc-H/siGeK

HcoloKblac9H/coloK

H/poductK



#$% Synta Stuctue



Hpoduct bacodeJF2242FK // tending Tagging Syste- 8use deMned -a9up adds -eaning




HsiGeKc-H/siGeK

HcoloKblac9H/coloK

H/poductK



#$% Synta Stuctue




H-a9eKS-ithsonH/-a9eK //Tags ae ceated and deMned by the deelope 8#SD #$% Sche-a



HsiGeKc-H/siGeK

HcoloKblac9H/coloK

H/poductK



#$% Synta Stuctue




H-a9eKS-ithsonH/-a9eK //Tags ae ceated and deMned by the deelope 8#SD #$% Sche-a

Hna-eKApe D>D Playe 12H/na-eK //Tags contain stictly stings

HLuantityKH/LuantityK //eLuies: stat tag HLuantityK and end tag H/LuantityK

HsiGeKc-H/siGeK // sting alue is .ound bet+een the tags

Hcolo healueJF0000000FKblac9H/coloK //tags can hae attibutes

H/poductK



*odes in #$%

The *ode:

Contains all eleant dataabout an ele-ent

o ea-ple: HpoductK' +hichcontains all the data .o thatindiidual poduct

This node has EchildnodesF'such as HcoloK

Data can be a sting 8but-oe



Ceate #$% +ith P,P

.open8 7 allo+s you to open a docu-ent on the Mlesyste- // esouce

you can QMleJ .open8Rpesidents-lR' R+R // note sa.e-ode 'openbasedi

ead only 8

ead and +ite8U

+ite only8+

+ite and ceate8+U

+ite to end o. Mle 8a

+ite to end and ceate 8aU

pe-issions ae an issueN Ty ch-od to <<< to stat and thottle bac9



Ceate #$% +ith P,P

.+ite8

Wite to the esouce you +ee using

Allo+s you to co-plete the +ite to the Mle syste-

+ill etun the bytes +itten i. success.ul

Ve a+ae o. pe-issionsN ch-od <<< to stat and go lo+e as needed



Ceate #$% +ith P,P

.close8

closes the cuent esouce

etuns boolean +oth chec9ingN



XML Example



Ceate !SS

+ith P,P Stands .o E!eal Si-ple

SyndicationF

geat .o shaing o syndicatingyou content to outside syste-s

co--only only holds Eso-eecent dataF

natiely uses #$% as a tanspot

,as seeal standadiGed .o-ats

We?ll use !SS 20' co--on usage



Ceate !SS

+ith P,P !SS has a deMned .o-at:

A Channel +hich allo+s to add

-eta about +hat you syndicating

Should Contain a title' lin9' anddesciption' 8optional date'language'etc

!SS should hae a deMned tabbedstuctue

!elated %in9s: o.ten .ound onblogs to send a peson to thecoect page to get -oe details



Ceate !SS

+ith P,P

Vo+ses Esni@F .o !SS .eeds ona site

3ou let the bo+se 9no+ you?epublishing !SS by e-bedding a-eta data tag:

Hlin9 elJRaltenateRtypeJRapplication/ssU-lR titleJR!SSRhe.JR/pathto/ss-lR /K



RSS Example



Si-ple#$%

Si-ple #$% is P,P5?s long7

a+aited class that allo+sP,P deelopes to easilyand e@ectiely pase #$%dataN

Si-ple to se 8its in thena-e

%ets see it in action



Path

What is Path and +hy do & caeI

#S%T Standad by the WC

Path is a synta .o Mndingin.o-ation in #$% docu-ents

Can Mnd alues in nodes o

attibutes

Path is pat o. Si-ple#$%

%ean -oe about itN



(S)*

(aaScipt )b6ect *otation

supe .ast' doesn?t use bul9y-a9up that has to be pased

good .o seialiGing data andtanspot oe a net+o9

co--only used no+ in +ebseices .o +eb and -obile apps

its easy: its 6aasciptN



JSON Example



%ab " *etWee9

%ab

i-ple-ent -lss in app

+o9ing session .o Mnal

!eading: Web Seices

See you TuesdayN

php course 8

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