Ib kauj ruam-los-kauj ruam qhia rau PHP Programmierung

Tej zaum koj tab tom nrhiav ib qib zuj zus-qib qhia rau php Programmierung. Kab lus no npog cov ncauj lus zoo li Typydeklationen, Cov ntsiab lus txawv txav, PHP version, thiab php-gtk. Tom qab nyeem nws, Koj yuav tsum muaj peev xwm los code yooj yim web daim ntawv thov uas yooj yim. Tab sis yog tias koj muaj lus nug lossis tsis paub tseeb tias pib? Peb tau txais koj!

Cov Ntawv Tshaj Tawm Hom

Tus tshiab version ntawm php 7 Ntxiv ScalartyPes los ua cov haujlwm yooj yim siv. Cov Qauv Txheej Txheem Txoj Lus no tso cai rau cov neeg tsim tawm kom muaj hom tawm tawm hom thaum twg xav tau. Cov neeg ua haujlwm tshiab, Xws li tus neeg teb xov tooj dav hlau, Ua kom tiav cov lus syntax. Cov no yog cov lus nifty hais ntxiv. Typydeklation yog cov lus tshaj tawm ntawm ib hom. Hauv PHP, Ib hom yog ib txoj hlua, tus lej, muaj nuj nqi, lossis kev sib xyaw ua ke ntawm hom.

Hauv PHP, Koj tuaj yeem siv strripos ua haujlwm kom paub qhov txawv ntawm cov me me thiab tag nrho. Txoj hlua khi() tau qhia hauv PHP 5.0. Thaum sib piv cov hlua, Nco ntsoov tias siv qhov sib luag (===) kom zam dhau qhov ua tau ntawm qhov tsis raug. Lwm txoj haujlwm yog stripos(). Nws yog tib yam li cov khib(), Tab sis tsis txhob coj mus rau hauv tus account me lossis tag nrho-sau.

Cov haujlwm ua haujlwm yuav nyuaj rau to taub yam tsis paub cov lus syntax. Cov kev tawm tsam-ua haujlwm tau pab tau. Piv txwv li, Txoj hlua siv xws li faib() thiab preg_split() yuav tsum tau paub txog arrays. Hauv PHP, txawm li cas los xij, lawv kuj yooj yim. -Qhia kev ua haujlwm raws li kev ua haujlwm, Xws li tau txais() thiab muab(), Ua cov hlua tswj kev tshau. Yog tias koj xav tau kev tshawb fawb ib txwm muaj, Koj tuaj yeem siv preg_split() ua li ntawd.

PHP version

PHP versions rau kev ua haujlwm koom nrog cov npe dav dav ntawm cov lus programming-sab hauv server nyob hauv Is Taws Nem. Daim ntawv no suav nrog PHP 5.3, 5.4, 5.6, 7.0, thiab 7.1. Txhua yam ntawm cov qauv no muaj kev txhim kho thiab kho rau cov teeb meem yav dhau los. Nws raug nquahu kom koj hloov kho tshiab thaum muaj peev xwm ua tau. Txawm li cas los, Nws tseem yog ib qho tseem ceeb uas yuav tsum tau txiav txim siab tias PHP version ua tsis raug kaw tom qab lub sijhawm.

Thaum hloov kho tsis yog li nyuaj thaum nws suab, Nws cuam tshuam nrog kev ua haujlwm ntxiv. Koj yuav tau muab teeb meem daws teeb meem, Hloov cov qub plug-ins, lossis cuam tshuam nrog kev ua kom ruaj ntseg. Qhov zoo, Koj yuav tsum sim cov kev hloov uas koj tau ua nyob rau hauv ib puag ncig offline ua ntej. Txoj kev no, Koj tuaj yeem nrhiav cov teeb meem ua ntej lawv cuam tshuam koj lub vev xaib nyob. Yog tias koj ntsib teeb meem thaum kuaj cov kev hloov pauv, Koj tuaj yeem tig mus rau hauv PHP zej zog rau kev txhawb nqa lossis kev pab.

PHP yog Ameslikas tsim nyob rau hauv 1994. Thawj qhov version tau tso tawm raws li txheej ntawm Perl Cov Ntawv sau thiab tau npaj los saib xyuas cov vev xaib tsheb. Hauv 1996, Rasmus LerdorF hloov mus rau C thiab ntxiv cov kev xaiv tshiab. Cov cuab yeej hauv tsev (PHP) Txoj haujlwm tau tshwm sim. Hauv 1997, Tus pab pawg tsim tawm tsim qauv tau tsim los kho cov tsis sib xws ntawm php version ib. Los ntawm lub sijhawm ntawd, PHP tau loj hlob mus rau qhov kev pab cuam loj rau kev txhim kho web.

PHP-GTK

Thaum sau cov ntawv thov nrog php-lus, Koj yuav tsum paub nws cov tswv yim ntawm cov tsev neeg hauv chav kawm. Hauv tsev neeg GDK, piv txwv, Koj yuav siv cov chav kawm uas sawv cev cov qib qis thiab xim. Lub GTK tsev neeg muaj kev nyuaj siab dua thiab muaj cov chav kawm uas muaj qib siab dua thiab muaj lwm chav kawm, suav nrog cov koj tsis siv. Hauv tsab xov xwm no, Peb yuav piav qhia tias cov tsev neeg ua haujlwm li cas thiab vim li cas koj thiaj li siv lawv.

Ib daim ntawv thov PHP-GTK tuaj yeem ua tsuas yog hais txog txhua yam, Los ntawm cov ntsiab lus tswj hwm cov tshuab thiab cov ntaub ntawv browsers rau IRC cov neeg siv khoom thiab cov saib xyuas network. Txawm hais tias cov kws kho cov kws kho mob tuaj yeem siv cov lus no. Nws tseem muaj peev xwm siv nws rau cov phiaj xwm qhib. Ib daim ntawv thov yuav yog xov xwm pub saib saib uas rub cov hnub tseem ceeb los ntawm cov neeg rau zaub mov hauv nruab nrab. Lwm daim ntawv thov yuav suav nrog cov ntaub ntawv hauv qab lossis ib daim ntawv nthuav dav. Koj tseem tuaj yeem siv PHP-GTK rau kev txheeb xyuas cov ntsiab lus.

PHP-GTK yog qhov kev xaiv zoo rau txhua hnub thov txhua hnub. Nws tseem zoo rau tes hauj lwm thiab muab kev cuam tshuam rau Java thiab.NET. Nws kuj tseem siv tau rau cov neeg siv khoom yooj yim-sab muag muag. Koj tuaj yeem sau cov kev pab cuam uas khiav ntawm Macs, Yog li nws yog qhov kev xaiv zoo rau lub web kev loj hlob. Yog tias koj tsis paub tseeb tias PHP-GTK yog txoj cai rau koj qhov project, Pib los ntawm kev nyeem cov ntsiab lus yooj yim no.

Php-Tus Neeg Txhais Lus

Yog tias koj tshiab rau php lus, Thawj qhov uas koj yuav tsum tau kawm yog yuav ua li cas siv PHP-neeg txhais lus. Qhov kev pab cuam no khiav ntawm koj lub khoos phis tawm thiab txhais tau tus lej php. PHP yog cov lus txhais, Yog li tus neeg txhais lus yuav tshawb xyuas cov ntaub ntawv uas koj tau thov rau hauv cov ntaub ntawv thiab xa rov qab nws hauv daim ntawv ntawm cov webpage HTML. Cov ntaub ntawv no yuav xa mus rau koj lub web server, qhov twg nws yuav tau txais kev pab rau koj browser. Koj tuaj yeem saib cov php program ntawm koj lub khoos phis tawm los ntawm kev mus rau hauv zos / nplaub tshev thiab ntaus nws mus rau hauv koj lub browser.

Tus neeg txhais lus php yog zoo li cov neeg tub nkeeg. Nws tsuas yog ua haujlwm thaum cov ntaub ntawv hauv php hom yog thov, Yog li thaum koj mus ntsib lub vev xaib, Tus neeg txhais lus yuav ua php tsab ntawv sau thiab sau lub sijhawm thiab hnub tim rau cov ntawv HTML. Thaum cov ntaub ntawv xa mus rau lub web server, Tus browser yuav tso tawm nws. Nws tuaj yeem ua haujlwm nrog lwm cov lus sau ntawv xws li Perl, Python, lossis ruby.

PHP scripts

Php scripts programming tuaj yeem siv rau txhua lub hom phiaj, suav nrog web kev txhim kho, Kev ua ntawv, thiab kev ua si txhim kho. Cov ntawv sau no tuaj yeem ua haujlwm yam tsis tau siv cov neeg rau zaub mov lossis browser, thiab xav tau tsuas yog php-parser ua haujlwm. PHP scripts yog qhov tsim nyog tshaj plaws rau kev rov ua dua cov haujlwm xws li email thiab web kev txhim kho, thiab yooj yim nyeem yog tias lawv tsuas muaj qee qhov tsis sib haum.

Php-Skripte yog php-tsab ntawv uas siv tau sib cuam tshuam thiab cov ntsiab lus tseem ceeb. Thaum siv, Php-skripts yog khaws cia hauv cov ntawv tshwj xeeb. Cov ntawv qhia no yog tom qab ntawd siv los tso tawm php-skripte ntawm lub vev xaib. Ntxiv nrog rau kev txhim kho lub vev xaib, PHP-Skripte Careamamicung tso cai rau cov thawj coj hauv web los muab ntau yam kev ua haujlwm ntxiv.

PHP-skripte ib puag ncig pib nrog php tag. Cov kab tom ntej muaj cov lus txib echo thiab nyob zoo ntiaj teb! Txhawm rau tsim cov HTML tso zis. Txoj hlua nws tus kheej yog qhov sib txawv ntev thiab suav tias yog Datatype ywj pheej. Vim tias nws lub platform ywj pheej, ib tsab ntawv PHP tuaj yeem hloov tau ntau yam – Txawm tias thaum siv los ua ke nrog cov ntaub ntawv khaws tseg. Yog tias koj xav tsim ib tus neeg siv khoom siv ntau dua, Txiav txim siab rau php scripts programming

PHP scripts tsis muaj HTML

Thaum nws los txog rau tus neeg rau zaub mov-sab scripting ntawm cov vev xaib, PHP yog qhov kev xaiv zoo. Cov lus sau no muaj ntau yam ntawm cov haujlwm network, Raws Cai Interfaces, thiab database nkag. Nws yog ib qho yooj yim kawm thiab muab ntau tus lej ntawm kev siv. Ntxiv rau Web Servers, PHP tuaj yeem siv los tsim cov ntawv thov desktop thiab CRON scripts. Hauv qab no yog qee qhov tseem ceeb ntawm PHP uas koj yuav tsum paub nrog.

Thawj thiab tseem ceeb tshaj plaws hauv kev siv PHP yog los kawm cov hauv paus. Cov lus no tso cai rau koj los tsim cov vev xaib nrog cov kev paub HTML tsawg, thiab muaj peev xwm cuam tshuam nrog kev cuam tshuam nrog databases. Koj tuaj yeem siv qhov no rau koj kom zoo dua. PHP yog qhov tseeb ntawm cov lus no thiab muaj ntau lwm yam zoo. Txawm li cas los, Koj yuav tsum nco ntsoov ua raws li kev coj ua zoo tshaj plaws thaum ua haujlwm nrog nws. Yog tias koj muaj lus nug, koj tuaj yeem tiv tauj kuv. Kuv yuav zoo siab pab koj!

Yog tias koj tshiab rau PHP programming, Kuv xav tau koj pib nrog qee cov piv txwv ntawm cov txheej txheem yooj yim thiab tom qab ntawd tsim koj txoj kev paub thaum koj tsiv mus. Ib qho zoo tshaj plaws txog PHP yog tias nws tuaj yeem khiav ntawm txhua lub platform. Ntxiv rau, nws yog tsis tshua muaj neeg siv-phooj ywg thiab tuaj yeem siv rau ib lub hom phiaj. Yog tias koj yog tus pib, PHP yog cov lus zoo rau koj. Tsis zoo li HTML, PHP tsis yog tsuas yog kawm yooj yim, Tab sis nws tseem zoo nkauj hloov tau.

PHP-tsab ntawv nrog HTML

Ib tsab ntawv PHP yog ib tsab ntawv txhais tau sau hauv hom lus PHP. Nws tuaj yeem siv los tsim cov nplooj ntawv web. Php scripts siv variables, uas yog cov hlua lossis cov lej uas txuas sab nraud cov ntaub ntawv rau cov ntawv sau. Cov kev hloov pauv tuaj yeem sawv cev dab tsi los ntawm cov lej yooj yim rau cov cim, ntawv nyeem, lossis txawm tias tag nrho cov lej html. Cov variables yog feem ntau ntawm cov datatype txoj hlua. Thawj hom tus nqi yog txoj hlua, uas yog ib qho sib txawv uas tuaj yeem yog qhov ntev. Nws tsis yog ib feem ntawm lwm yam datatype. Piv txwv li, Txoj hlua “Nyob zoo ntiaj teb” yog suav hais tias yog kev ua siberchrift, uas yog thawj tus nqi txhais los ntawm lub web browser.

Feem ntau, PHP-skripe muaj ob qho tib si HTML thiab Program Logic. Feem ntau txoj kev ua kom cais ob yog siv ib qho kev sib cais rau txhua tus. Rau cov pib tshiab, Nws yog ib qho tseem ceeb uas yuav tau teeb tsa ib puag ncig kev txhim kho uas ruaj khov. Tsis txhob ua haujlwm rau pej xeem servers, Tab sis teeb tsa cov vev xaib ntsuas lub vev xaib kom tsis txhob ua rau muaj teeb meem. Nco ntsoov tias lub vev xaib lub vev xaib zoo ib yam li cov kab ke ntau lawm. Kuj, Xav seb koj yuav pauv cov ntaub ntawv ntawm PHP-scripts thiab HTML.