Maphunziro Pang'onopang'ono a PHP Programmierung

Mwinamwake mukuyang'ana phunziro la pang'onopang'ono la php programmierung. This article covers topics like Typdeklarationen, Matanthauzidwe osinthika, Zithunzi za PHP, ndi PHP-GTK. Nditawerenga, muyenera kutha kulemba mawebusayiti osavuta mosavuta. Koma bwanji ngati muli ndi mafunso kapena simukudziwa kumene mungayambire? Takupangirani inu!

Typdeklarationen

The new version of PHP 7 imawonjezera ma scalartypes kuti ntchito ikhale yosavuta kugwiritsa ntchito. Kukhazikika kwa chilankhulochi kumathandizira opanga madalaivala kusinthana mitundu ikafunika. Ogwiritsa ntchito atsopano, kuphatikizapo Spaceship Operator, malizitsani mawu a chinenerocho. Izi ndi zina zowonjezera zinenero. Typdeklarationen ndi zidziwitso zamtundu. Mu PHP, mtundu uli mwina chingwe, nambala, ntchito, kapena kuphatikiza mitundu.

Mu PHP, mutha kugwiritsa ntchito strripos kusiyanitsa pakati pa kalembedwe kakang'ono ndi koopsa. adzavula() idayambitsidwa mu PHP 5.0. Poyerekeza zingwe, onetsetsani kuti mukugwiritsa ntchito kufanana kwenikweni (===) kupewa kuthekera kwa zotsatira zolakwika. Ntchito ina ndi stripos(). Ndizofanana ndi strpos(), koma samaganizira kalembedwe kakang'ono kapena monyanyira.

Kugwira ntchito kwa zingwe kumakhala kovuta kumvetsetsa popanda kudziwa mawu achilankhulocho. Ntchito zozikidwa pafupipafupi zingathandize. Mwachitsanzo, ogwiritsira ntchito zingwe monga kugawanika() ndi preg_split() amafuna kudziwa za Arrays. Mu PHP, komabe, iwo ndi osavuta. Ntchito zokhazikika pamawu, monga get() ndi kuika(), kupanga kusintha kwa zingwe kukhala kamphepo. Ngati mukufunika kusaka pafupipafupi, mutha kugwiritsa ntchito preg_split() kutero.

Zithunzi za PHP

PHP-Versionen für Programmierung gehören zum umfangreichen list der server-side programming languages available on the Internet. Mndandandawu uli ndi PHP 5.3, 5.4, 5.6, 7.0, ndi 7.1. Matembenuzidwe onsewa ali ndi zosintha ndi kukonza kwamavuto am'mbuyomu. Ndibwino kuti muwonjezere ku mtundu waposachedwa ngati kuli kotheka. Komabe, ndikofunikiranso kulingalira kuti mitundu ya PHP imachotsedwa pakapita nthawi.

Ngakhale kukonzanso sikovuta monga kumveka, imaphatikizapo ntchito yowonjezera. Mungafunike kuthetsa mavuto, sinthani mapulagini akale, kapena kuthana ndi kukhathamiritsa kwachitetezo. Moyenera, muyenera kuyesa zosintha zilizonse zomwe mumapanga pamalo otetezeka osalumikizidwa ndi intaneti kaye. Tiyeni uku, mutha kupeza zovuta zilizonse zisanakhudze tsamba lanu lamoyo. Ngati mukukumana ndi mavuto poyesa kusintha, mutha kutembenukira kugulu la PHP kuti muthandizidwe kapena kuthandizidwa.

PHP idapangidwa koyambirira 1994. Mtundu woyamba udatulutsidwa ngati seti ya zolemba za Perl ndipo cholinga chake chinali kuyang'anira kuchuluka kwa tsamba lawebusayiti. Mu 1996, Rasmus Lerdorf adasinthira ku C ndikuwonjezera zosankha zatsopano. Zida Zatsamba Laumwini Lanu (PHP) polojekiti inayambika. Mu 1997, gulu lokonzekera linapangidwa kuti likonze zosagwirizana ndi PHP version one. Pa nthawiyo, PHP yakula mpaka kukhala pulogalamu yayikulu yopititsa patsogolo intaneti.

PHP-GTK

When writing applications with the PHP-GTK language, muyenera kudziwa lingaliro lake lofunikira la mabanja am'kalasi. Mu banja la Gdk, Mwachitsanzo, mudzagwiritsa ntchito makalasi omwe amayimira mazenera apansi ndi mitundu. Banja la Gtk ndilovuta kwambiri ndipo lili ndi makalasi apamwamba kwambiri ndipo lingakhale ndi makalasi ena, kuphatikiza omwe simugwiritsa ntchito. M'nkhaniyi, tifotokoza momwe mabanja amakalasi amagwirira ntchito komanso chifukwa chomwe mungawagwiritsire ntchito.

Pulogalamu ya PHP-GTK imatha kuchita chilichonse, kuchokera ku machitidwe oyendetsera zinthu ndi asakatuli a zolemba mpaka makasitomala a IRC ndi oyang'anira maukonde. Ngakhale osintha mawu amatha kupangidwa pogwiritsa ntchito chilankhulochi. Ndikothekanso kuzigwiritsa ntchito pama projekiti otseguka. Pulogalamu imodzi ikhoza kukhala yowonera nkhani yomwe imakoka masiku ofunikira kuchokera pa seva yapakati. Ntchito ina ikhoza kukhala ndi database kapena spreadsheet. Mutha kugwiritsanso ntchito PHP-GTK posanthula ziwerengero.

PHP-GTK ndi chisankho chabwino kwambiri pamapulogalamu atsiku ndi tsiku. Ndiwothandizanso pamanetiweki ndipo imapereka zolumikizira ku Java ndi.NET. Itha kugwiritsidwanso ntchito pazinthu zosavuta za kasitomala-mbali zoyimirira. Mutha kulembanso mapulogalamu omwe amayenda pa Mac, kotero ndi chisankho chabwino kwambiri pakukula kwa intaneti. Ngati simukutsimikiza ngati PHP-GTK ndiyoyenera pulojekiti yanu, yambani ndikuwerenga malangizo oyambira awa.

PHP-Interpreter

If you are new to the PHP language, chinthu choyamba chimene muyenera kuphunzira ndi momwe mungagwiritsire ntchito PHP-interpreter. Pulogalamuyi imayenda pakompyuta yanu ndikutanthauzira ma code a PHP. PHP ndi chilankhulo chotanthauziridwa, kotero womasulira adzayang'ana zomwe mwapempha muzosungirako ndikuzibwezera ngati tsamba la HTML. Fayiloyi idzatumizidwa ku seva yanu yapaintaneti, kumene idzatumizidwa ku msakatuli wanu. Mutha kuwona pulogalamu ya PHP pakompyuta yanu popita ku localhost/foldername ndikuyilemba mu msakatuli wanu.

Wotanthauzira PHP ali ngati wantchito mnzake waulesi. Zimangogwira ntchito ngati fayilo yamtundu wa PHP ikufunsidwa, kotero mukapita patsamba, womasulira adzakonza zolemba za PHP ndikulemba nthawi ndi tsiku ku chikalata cha HTML. Fayiloyo ikangoperekedwa ku seva yapaintaneti, msakatuli aziwonetsa. Itha kugwiranso ntchito ndi zilankhulo zina monga Perl, Python, kapena Ruby.

PHP-Skripte

PHP-Skripte Programmierung can be used for any purpose, kuphatikizapo chitukuko cha intaneti, kukonza zolemba, ndi chitukuko cha masewera. Zolemba izi zimatha kugwira ntchito popanda kugwiritsa ntchito seva kapena msakatuli, ndipo zimangofunika PHP-parser kuti igwire ntchito. Zolemba za PHP ndizofunikira kwambiri pantchito zobwerezabwereza monga imelo ndi chitukuko cha intaneti, ndipo ndi osavuta kuwerenga ngati ali ndi magawo ochepa.

PHP-Skripte ndi PHP-script yomwe imagwiritsa ntchito kuyanjana ndi zinthu zamphamvu. Pamene ntchito, PHP-Skripts amasungidwa mu bukhu lapadera. Bukuli limagwiritsidwa ntchito kuwonetsa PHP-Skripte patsamba. Kuwonjezera pa chitukuko cha intaneti, PHP-Skripte Programmierung imalola oyang'anira masamba kuti apereke zina zowonjezera.

Malo a PHP-skripte amayamba ndi php tag. Mzere wotsatira uli ndi malamulo echo ndi Hello World! kuti apange zotsatira za HTML. Chingwecho chimakhala kutalika kosiyanasiyana ndipo chimatengedwa ngati mtundu wodziyimira pawokha. Chifukwa cha kudziyimira pawokha kwa nsanja, PHP script ikhoza kukhala yokwanira kwambiri – ngakhale atagwiritsidwa ntchito molumikizana ndi database. Ngati mukufuna kupanga tsamba losavuta kugwiritsa ntchito, consider PHP-Skripte Programmierung

PHP-Skripte ohne HTML

When it comes to the server-side scripting of websites, PHP ndi chisankho chabwino kwambiri. Chilankhulo cholembera ichi chili ndi ntchito zambiri zapaintaneti, ma protocol interfaces, ndi mwayi wa database. Ndiosavuta kuphunzira ndipo imapereka mwayi wambiri wogwiritsa ntchito. Kuwonjezera pa ma seva a pa intaneti, PHP ikhoza kugwiritsidwa ntchito kupanga mapulogalamu apakompyuta ndi zolemba za cron. Pansipa pali zina zofunika za PHP zomwe muyenera kuzidziwa.

Gawo loyamba komanso lofunika kwambiri pakugwiritsa ntchito PHP ndikuphunzira zoyambira. Chilankhulochi chimakupatsani mwayi wopanga masamba omwe ali ndi chidziwitso chochepa cha HTML, ndipo imatha kulumikizana ndi ma database. Mutha kugwiritsa ntchito izi kuti mupindule. PHP ndiye mtundu waposachedwa kwambiri wa chilankhulochi ndipo ili ndi maubwino ena ambiri. Komabe, muyenera kukumbukira nthawi zonse kutsatira njira zabwino mukamagwira nawo ntchito. Ngati muli ndi funso, mutha kulumikizana nane nthawi zonse. Ndidzakhala wokondwa kukuthandizani!

Ngati ndinu watsopano ku mapulogalamu a PHP, Ndikupangira kuti muyambe ndi zitsanzo zamapulogalamu oyambira ndikuwonjezera chidziwitso chanu mukamapitilira. Chimodzi mwazinthu zabwino kwambiri za PHP ndikuti imatha kuthamanga papulatifomu iliyonse. Kuphatikiza apo, ndizosavuta kugwiritsa ntchito ndipo zitha kugwiritsidwa ntchito pazifukwa zilizonse. Ngati ndinu woyamba, PHP ndi chilankhulo chabwino kwa inu. Mosiyana ndi HTML, PHP siyosavuta kuphunzira, koma ndizosavuta kusintha.

PHP-Skripte mit HTML

A PHP script is an interpreted script written in the PHP programming language. Itha kugwiritsidwa ntchito popanga masamba. Zolemba za PHP zimagwiritsa ntchito zosintha, zomwe ndi zingwe kapena manambala omwe amalumikiza deta yakunja ku script. Zosintha zimatha kuyimira chilichonse kuyambira manambala osavuta kupita kuzizindikiro, mawu, kapena ma code onse a HTML. Zosintha nthawi zambiri zimakhala zamtundu wa data. Mtundu woyamba wamtengo wapatali ndi chingwe, chomwe ndi chosinthika chomwe chingakhale kutalika kulikonse. Si gawo la mtundu wina uliwonse wa data. Mwachitsanzo, chingwe “Moni Dziko Lapansi” imatengedwa ngati Uberschrift, lomwe ndilo mtengo woyamba wotanthauziridwa ndi msakatuli.

Nthawi zambiri, PHP-Skripte ili ndi HTML ndi ndondomeko ya pulogalamu. Njira yodziwika bwino yolekanitsa awiriwa ndikugwiritsa ntchito fayilo yosiyana pa iliyonse. Kwa oyamba kumene, ndikofunikira kukhazikitsa malo otukuka omwe ali okhazikika. Osagwira ntchito pa maseva apagulu, koma khazikitsani seva yoyeserera kuti musabweretse mavuto. Onetsetsani kuti makonda a seva yapaintaneti akufanana ndi makina opanga. Komanso, Ganizirani momwe mungasinthire deta pakati pa PHP-scripts ndi HTML.