Vim Li Cas Koj Yuav Tsum Kawm PHP Programmierung

PHP yog ib hom lus uas muaj zog heev. Tsis zoo li lwm yam lus sau, PHP tsis xav tau browser lossis server ua haujlwm. PHP scripts tuaj yeem siv rau kev sau ntawv yooj yim lossis cov kev pabcuam cron. PHP kuj muaj ib qho yooj yim-rau-siv syntax. Ntxiv rau, PHP scripts yooj yim los tswj thiab ntsuas.

Object-oriented programming lus (OOP)

Object-Oriented Programming (OOP) yog ib hom kev programming uas siv cov chav kawm thiab cov khoom los ua qauv cov ntaub ntawv. Raws li qhov tshwm sim, nws yog qhov zoo tagnrho rau cov kev pabcuam loj uas yuav tsum muaj kev saib xyuas zoo thiab cov logic nyuaj. Los ntawm kev siv cov style no, programmers tuaj yeem ntxiv kev ua haujlwm ntxiv yam tsis muaj kev txhawj xeeb txog kev sau ntawv ntau dhau.

OOP hauv PHP tso cai rau cov neeg tsim khoom los txhais cov chav kawm uas sawv cev rau cov khoom hauv ib qho kev pab cuam. Cov khoom siv tau los khaws cia, khaws cia, hloov kho, thiab rho tawm cov ntaub ntawv. Cov chav kawm thiab cov khoom siv no tuaj yeem siv dua rau ntau lub hom phiaj. Thaum OOP tsis haum rau cov teeb meem me me, nws txuag developers lub sij hawm.

Object-oriented programming yog ib qho txuj ci tseem ceeb rau tus programmer nrog kev mob siab rau kev siv dav dav. Hos PHP yog ib hom lus ua haujlwm thiab prozedural, nws kuj muaj cov khoom loj-oriented tivthaiv. Ib chav OOP zoo yuav pab koj kawm cov hauv paus ntawm qhov kev ua haujlwm no thiab txhim kho kev txawj ntse.

Thaum OOP tsis tsim nyog rau txhua hom kev pab cuam, nws ua kom programming yooj yim dua thiab sai dua. Object-orientation ua tau nyiaj siv ua haujlwm thiab tsis tsim nyog rau txhua hom kev pab cuam. Qee tus programmers nyiam tsim cov ntawv thov nrog cov txheej txheem txheej txheem kom txo qis nyiaj siv ua haujlwm. Nws tseem ceeb heev kom paub tias OOP tuaj yeem siv rau hauv cov haujlwm yam tsis tau hloov kho cov qauv code.

Kev ua tau zoo sai

Programming yog ib qho txuj ci tseem ceeb uas yuav tsum muaj nyob hauv lub ntiaj teb niaj hnub no. Peb feem ntau siv cov ntawv thov web rau ntau lub hom phiaj. Li no, peb yuav tsum nkag siab tias cov ntawv thov no ua haujlwm li cas thiab yuav ua li cas rau lawv hauv PHP. Yog tias koj txaus siab los ua PHP programmer, muaj ntau cov kev pabcuam muaj nyob online uas tuaj yeem pab koj dhau los ua tus programmer zoo.

PHP tau qhia ntau yam tshiab. Piv txwv li, npe sib cav cia koj uberwrite tus qauv qhov tseem ceeb hauv koj cov cai. Koj tuaj yeem siv qhov tshwj xeeb no ua ke nrog kev sib cav ntawm txoj haujlwm kom ua tiav kev ua tau zoo dua. Ntxiv mus, PHP 8 suav nrog ob lub JIT-compilation cav, hu ua Function JIT thiab Tracing JIT. Ob qho ntawm cov yam ntxwv no ua rau kom PHP ua tau zoo.

Lwm qhov zoo ntawm PHP yog qhov yooj yim kawm. Lub zej zog tom qab cov lus tsim cov ntawv qhia thiab cov ntawv teev npe online kom yooj yim kawm. Ntxiv mus, PHP yog ib hom lus qhib, uas txhais tau hais tias cov neeg tsim khoom tuaj yeem tsim cov ntawv thov web yam tsis muaj kev txhawj xeeb txog kev txwv kev cai lij choj. Ntau tus neeg ua haujlwm PHP siv qhov Open Source Facilitator (OSF), uas ua rau cov txheej txheem programming yooj yim dua.

Lwm txoj hauv kev los ua kom qhov kev ua tau zoo ntawm koj lub vev xaib yog khaws cov haujlwm ua haujlwm ntev hauv ib kab. Koj tseem tuaj yeem siv cov txheej txheem cais los ua cov haujlwm no. Ib qho piv txwv zoo yog cov txheej txheem xa email. Kev siv txoj kev no yuav pab koj kom tsis txhob nkim peev txheej thaum txhim kho koj lub vev xaib kev ua tau zoo.

PHP yog ib qho ntawm cov neeg nyiam tshaj plaws ntawm cov lus programming thiab tau siv dav rau kev txhim kho lub vev xaib. Nws muaj ntau yam tseem ceeb rau kev tswj cov ntsiab lus dynamic databases. Nws yog qhov hloov pauv tau yooj yim thiab muaj txiaj ntsig zoo rau cov ntsiab lus loj tswj cov txheej txheem. Qee qhov ntawm nws cov nta suav nrog kev txhawb nqa rau ntau lub databases thiab kev sib txuas rau Internet raws tu qauv. Nws tsis yog feem ntau siv rau cov ntawv thov desktop, tab sis nws yog siv los ntawm Facebook thiab lwm lub vev xaib.

nyuaj

PHP yog ib hom lus programming nrov siv rau kev siv web. Nws txhawb Object-Oriented Programming (OOP) thiab muaj ntau yam zoo. Piv txwv li, nws yog ib hom lus zoo rau pab pawg vim nws cov cai rov ua dua thiab yooj yim tos. PHP cov neeg siv kuj yuav txaus siab rau qhov yooj yim ntawm kev siv thiab kev nkag tau ntawm cov lus programming no.

PHP yog ib hom lus qhib qhov chaw sau ntawv. Qhov no txhais tau tias koj tuaj yeem siv nws rau txhua hom phiaj xwm yam tsis muaj kev txwv. Nws kuj muaj lub zej zog muaj kev txhawb nqa los pab koj thaum lub sijhawm kawm. Nws yog ib hom lus server-sab, yog li koj tsis tas yuav txhawj txog kev txwv kev cai lij choj. PHP zej zog tau tsim cov ntawv teev npe online thiab cov lus qhia los pab cov neeg tuaj tshiab kawm lus.

PHP yog qhov qhib qhov programming lus uas muaj cov syntax zoo sib xws rau Perl thiab C. Nws yog siv los tsim cov ntawv thov web thiab cov vev xaib dynamic. Nws tso cai rau koj mus embed functions rau hauv HTML, ua rau nws yooj yim heev. Ntxiv rau, PHP yog scalable, txhais tau hais tias nws tuaj yeem siv rau hauv ob qho tib si me thiab loj thiab ua ke.

Qhov txiaj ntsig tseem ceeb ntawm kev siv PHP yog nws cov versatility. Koj tuaj yeem siv nws rau ntau yam haujlwm thiab siv rau txhua yam los ntawm kev tsim cov vev xaib mus rau kev tsim cov txheej txheem nyuaj. PHP yog thawj hom lus programming, thiab nws tau tsim ntau zaus. Qhov thib ob version, PHP 5.3, qhia Object-Oriented Programming thiab cov chav kawm. Qhov tseeb version ntawm PHP yog PHP 7.

PHP 8 yuav raug tso tawm rau 26 Kaum ib hlis 2020 thiab yuav coj ntau qhov tseem ceeb software optimizations. Nws tseem yuav muaj cov haujlwm tshiab, xws li Lub Npe Sib Tham thiab Cov Cai. Cov yam ntxwv tshiab no yog cov ntaub ntawv tus kheej, thiab yuav tso cai rau koj ntxiv cov kev xaiv tsis tau rau ib qho kev ua haujlwm thaum hu nws.

Yooj yim rau siv

Yog tias koj tshiab rau PHP programming, Tej zaum koj yuav xav tsis thoob tias koj tuaj yeem ua li cas hauv hom lus no. Qhov xwm zoo yog tias PHP txhawb nqa ntau yam haujlwm uas koj tuaj yeem siv hauv koj cov phiaj xwm web. Cov no suav nrog lub sijhawm thiab hnub ua haujlwm, kev ua lej, thiab cov ntaub ntawv thiab khoom ua haujlwm. Ntxiv rau, PHP kuj txhawb ntau yam haujlwm rau kev ua haujlwm nrog databases.

PHP yog ib hom lus server-sab scripting uas feem ntau siv los tsim cov vev xaib dynamic thiab web applications. Nws yog qhib-qhov chaw thiab muaj ntau yam database thiab Internet raws tu qauv txhawb. Nws muaj ib tug yooj yim syntax, uas ua rau nws yog ib hom lus yooj yim heev rau beginners. Nws kuj yog pub dawb rau siv thiab muaj rau txhua qhov kev ua haujlwm loj.

PHP yog ib qho nrov heev thiab leistungsstarke programming lus. Siv hom lus no, koj tuaj yeem tsim cov vev xaib uas yooj yim rau kev taw qhia thiab nplua nuj nyob rau hauv multimedia technology. Tsis tas li ntawd, PHP programmers tuaj yeem tsim cov vev xaib uas ua haujlwm yam tsis muaj kev siv sab nraud plug-ins lossis cov neeg siv khoom siv kawg.

Cov ntawv thov web yog ib qho cuab yeej zoo rau programmers. Lawv tuaj yeem muab ntau hom kev lag luam, nrog rau kev txhawb nqa ntau tus neeg siv thiab kev ua haujlwm hauv network. Txhua yam koj xav tau yog kev sib txuas hauv Is Taws Nem thiab lub vev xaib niaj hnub siv los siv lub vev xaib. Koj tuaj yeem tsim cov ntawv thov mobile rau smartphones thiab ntsiav tshuaj.

Thawj qhov kev qhia PHP yog kom paub tseeb tias $zahl ntau dua 10. Koj tuaj yeem siv tus neeg teb xov tooj tom qab nce ntxiv los txheeb xyuas tus nqi ntawm $zahl. Ces, nyob rau hauv thaum sawv ntxov, ncha yuav txuas ntxiv mus txog thaum $zahl ua grosser dua 10.

Siv hauv kev txhim kho lub vev xaib

PHP Programmierung yog ib hom lus scripting nrov heev rau kev tsim lub vev xaib. Nws cov syntax zoo ib yam li C thiab Perl, thiab nws tso cai rau koj embed functions txoj cai rau hauv HTML code. PHP yog ntau yam ntau yam thiab tuaj yeem siv rau ob qho tib si me thiab loj. Nov yog qee qhov laj thawj vim li cas koj yuav tsum kawm PHP.

PHP yog qhov nrov heev hauv kev lag luam txhim kho lub vev xaib, thiab nws tuaj yeem siv los tsim cov vev xaib nyuaj thiab dynamic. Nws kuj tso cai rau koj los tsim cov ntawv thov online uas txuas rau databases xws li MySQL. Cov ntawv thov no yog siv los tsim cov khw muag khoom online thiab lwm hom kev lag luam digital. PHP kuj tau siv dav rau web hosting thiab cov ntsiab lus tswj cov txheej txheem.

PHP yog dawb thiab qhib qhov chaw, yog li koj yuav tsis tas them rau nws. Nws kuj muaj ntau tus kws kho mob thiab cov kws tsim khoom tshwj xeeb. Ntau tus neeg tsim khoom PHP ua haujlwm ua haujlwm ywj pheej, thaum lwm tus yog ib feem ntawm cov koom haum PHP. Hauv ob qho xwm txheej, zej zog ua hauj lwm ua ke los pab tsim kom muaj kev loj hlob ib puag ncig.

PHP yog ib hom lus programming nrov heev rau kev txhim kho lub vev xaib, tshwj xeeb tshaj yog rau cov neeg tshiab rau kev txhim kho lub vev xaib. Nws yooj yim syntax thiab yooj yim-rau-to taub coding txoj cai ua rau nws zoo tagnrho rau novices thiab rau seasoned programmers. Nws tseem yog siv rau software-raws li kev pabcuam kev siv.

Feem ntau ntawm PHP developers muaj bachelor's degree, los yog ib tug dissertation. Tsis hais txog qib kev kawm, Nws yog ib qho tseem ceeb kom muaj keeb kwm yav dhau los hauv lej lossis computer science. Keeb kwm hauv computer architecture, algorithms, thiab cov ntaub ntawv qauv, ib yam li kev xav ntau, yuav pab koj dhau los ua tus tsim PHP zoo dua. Cov neeg tsim khoom puv-Stack yuav tsum paub JavaScript, CSS, thiab HTML.