Inyathelo ngeNyathelo Isifundo kwi-PHP Programmierung

Mhlawumbi ujonge inyathelo ngenyathelo tutorial for php programmierung. This article covers topics like Typdeklarationen, Iinkcazo eziguquguqukayo, iinguqulelo PHP, kunye ne-PHP-GTK. Emva kokuyifunda, kufuneka ukwazi ukwenza ikhowudi yezicelo zewebhu ngokulula. Kodwa kuthekani ukuba unemibuzo okanye awuqinisekanga ukuba ungaqala ngaphi? Sikufihlile!

Typdeklarationen

The new version of PHP 7 yongeza i-scalartypes ukwenza imisebenzi ibe lula ukuyisebenzisa. Olu lungelelwaniso lubanzi lolwimi luvumela abaphuhlisi ukuba batshintshe iintlobo nanini na kufuneka. Abaqhubi abatsha, kuquka i-Spaceship Operator, gqibezela isivakalisi solwimi. Ezi zongezo zolwimi ezisithoba. ITypdeklarationen zizibhengezo zodidi. Kwi-PHP, uhlobo nokuba ngumtya, inani, umsebenzi, okanye indibaniselwano yeentlobo.

Kwi-PHP, Ungasebenzisa umsebenzi we strripos ukwahlula phakathi kokuncinci kunye nopelo-upelo. iya kuhluba() yaziswa kwi-PHP 5.0. Xa uthelekisa imitya, qiniseka ukuba usebenzisa ukulingana ngqo (===) ukuphepha ukubakho kwesiphumo esingalunganga. Omnye umsebenzi yi-striros(). Kuyafana ne-strpos(), kodwa ayithatheli ngqalelo incinci okanye upelo olubi.

Ukusebenza komtya kunokuba nzima ukuyiqonda ngaphandle kokwazi i-syntax yolwimi. Imisebenzi esekelwe rhoqo-esekelwe kwinkcazo inokunceda. Umzekelo, abaqhubi beentambo ezifana nokwahlula() kwaye preg_split() kufuna ulwazi lweArrays. Kwi-PHP, nangona kunjalo, zilula ngokwentelekiso. Imisebenzi esekelwe rhoqo-inkcazo, ezifana ukufumana() kwaye ubeke(), ukwenza ukuguqulwa komtya kube yimpepho. Ukuba ufuna ukwenza uphendlo oluqhelekileyo, ungasebenzisa preg_split() ukwenza njalo.

iinguqulelo PHP

PHP-Versionen für Programmierung gehören zum umfangreichen list der server-side programming languages available on the Internet. Olu luhlu lubandakanya i-PHP 5.3, 5.4, 5.6, 7.0, kwaye 7.1. Zonke ezi nguqulelo zinokuphuculwa kunye nokulungiswa kweengxaki zangaphambili. Kuyacetyiswa ukuba uhlaziye kuguqulelo lwamva nje xa kunokwenzeka. Nangona kunjalo, Kukwabalulekile ukuqwalasela ukuba iinguqulelo zePHP ziye ziqhawulwe emva kwexesha elithile.

Ngelixa ukuhlaziya akunzima njengoko kuvakala, ibandakanya umsebenzi owongezelelekileyo. Kusenokufuneka ukuba ulungise imiba, buyisela iiplagi ezindala, okanye ujongane nokulungiswa kokhuseleko. Ngokufanelekileyo, kufuneka uvavanye naluphi na utshintsho olwenzayo kwindawo ekhuselekileyo ngaphandle kweintanethi kuqala. Le ndlela, unokufumana nayiphi na imiba ngaphambi kokuba ichaphazele iwebhusayithi yakho ephilayo. Ukuba ufumana iingxaki ngelixa uvavanya utshintsho, ungabhenela kuluntu lwePHP ngenkxaso okanye uncedo.

I-PHP yaphuhliswa ekuqaleni 1994. Inguqulelo yokuqala yakhutshwa njengeseti yezikripthi zePerl kwaye yenzelwe ukujonga ithrafikhi yewebhusayithi. Kwi 1996, URasmus Lerdorf utshintshele ku-C kwaye wongeza iinketho ezintsha. Izixhobo zePhepha leKhaya loBuqu (PHP) iprojekthi yasungulwa. Kwi 1997, iqela labaphuhlisi elisemthethweni lasekwa ukulungisa ukungangqinelani kwenguqulo ye-PHP enye. Ngelo xesha, I-PHP ikhule yaba yinkqubo enkulu yophuhliso lwewebhu.

PHP-GTK

When writing applications with the PHP-GTK language, kufuneka uqhelane nombono wayo osisiseko weentsapho zeklasi. Kusapho lukaGdk, umzekelo, uya kusebenzisa iiklasi ezimele umgangatho ophantsi weefestile kunye nemibala. Usapho lweGtk luntsokothile kwaye luqulathe iiklasi ezikwinqanaba eliphezulu kwaye zinokuqulatha ezinye iindidi, kuquka ongazisebenzisiyo. Kweli nqaku, siza kucacisa ukuba iintsapho zaseklasini zisebenza njani kwaye kutheni unokuzisebenzisa.

Isicelo se-PHP-GTK sinokwenza nantoni na, ukusuka kwiinkqubo zolawulo lomxholo kunye nezikhangeli zamaxwebhu ukuya kubathengi be-IRC kunye nabahloli bothungelwano. Nditsho nabahleli bombhalo banokwenziwa kusetyenziswa olu lwimi. Iyakwazi ukuyisebenzisela iiprojekthi zomthombo ovulekileyo. Usetyenziso olunye lunokuba sisijongi seendaba esitsala imihla ebalulekileyo kwiseva esembindini. Esinye isicelo sinokubandakanya isiseko sedatha okanye i-spreadsheet. Unokwenza nokusebenzisa i-PHP-GTK kuhlalutyo lwamanani.

I-PHP-GTK lolona khetho lubalaseleyo kusetyenziso lwewebhu lwemihla ngemihla. Ikwalungile kuthungelwano kwaye ibonelela ngojongano lweJava kunye ne.NET. Isenokusetyenziswa kwizicelo ezizimeleyo zecala lomxhasi. Ungade ubhale iinkqubo ezisebenza kwiiMacs, ke lolona khetho lubalaseleyo kuphuhliso lwewebhu. Ukuba awuqinisekanga ukuba i-PHP-GTK ilungile kwiprojekthi yakho, qala ngokufunda la macebiso asisiseko.

PHP-Interpreter

If you are new to the PHP language, into yokuqala ekufuneka uyifundile yindlela yokusebenzisa i-PHP-itoliki. Le nkqubo isebenza kwikhompyuter yakho kwaye itolika iikhowudi zePHP. I-PHP lulwimi olutolikiweyo, ngoko ke itoliki iya kukhangela idatha oyicelileyo kwisiseko sedatha kwaye ibuyisele ngendlela yephepha lewebhu le-HTML. Le fayile emva koko iya kuthunyelwa kumncedisi wakho wewebhu, apho iya kuhanjiswa kumkhangeli zincwadi wakho. Ungajonga inkqubo ye-PHP kwikhompyuter yakho ngokuya kwi-localhost/igama lefolda kwaye uyichwetheze kwisikhangeli sakho.

Itoliki ye-PHP ifana nomntu osebenza naye owonqenayo. Isebenza kuphela xa ifayile ekwifomathi ye-PHP iceliwe, ngoko xa undwendwela iwebhusayithi, itoliki iya kuqhuba iscript sePHP kwaye ibhale ixesha kunye nomhla kuxwebhu lweHTML. Nje ukuba ifayile inikezelwe kwiseva yewebhu, isikhangeli siya kuyibonisa. Inokusebenza nezinye iilwimi zeskripthi njengePerl, Inhlwathi, okanye Ruby.

PHP-Skripte

PHP-Skripte Programmierung can be used for any purpose, kuquka uphuhliso lwewebhu, inkqubo yokubhaliweyo, kunye nophuhliso lomdlalo. Ezi zikripthi zinokusebenza ngaphandle kokusebenzisa umncedisi okanye umkhangeli zincwadi, kwaye ifuna kuphela i-PHP-parser ukuba isebenze. Imibhalo ye-PHP ifaneleke kakhulu kwimisebenzi ephindaphindwayo efana ne-imeyile kunye nophuhliso lwewebhu, kwaye zifundeka lula ukuba zineeparamitha ezimbalwa kuphela.

I-PHP-Skripte yi-PHP-script ephumeza unxibelelwano kunye nomxholo oguqukayo. Xa isetyenziswa, I-PHP-Skripts zigcinwe kulawulo olukhethekileyo. Olu luhlu lusetyenziswa ukubonisa i-PHP-Skripte kwiwebhusayithi. Ukongeza kuphuhliso lwewebhu, I-PHP-Skripte Programmierung ivumela abalawuli bewebhu ukuba babonelele ngeentlobo ezahlukeneyo zokusebenza ezongezelelweyo.

Imekobume ye-PHP-skripte iqala ngethegi yephp. Umgca olandelayo uqulethe imiyalelo echo kwaye Molo World! ukwenza imveliso yeHTML. Umtya ngokwawo ubude obuguquguqukayo kwaye uthathwa njengedatha ezimeleyo. Ngenxa yeqonga layo lokuzimela, iskripthi se-PHP sinokuba sibanzi kakhulu – naxa isetyenziswe ngokudibeneyo nesiseko sedatha. Ukuba ufuna ukwenza isiza esisebenziseka lula, consider PHP-Skripte Programmierung

PHP-Skripte ohne HTML

When it comes to the server-side scripting of websites, PHP lukhetho oluhle kakhulu. Olu lwimi lokubhala lunoluhlu olubanzi lwemisebenzi yenethiwekhi, ujongano lweprotocol, kunye nokufikelela kwisiseko sedatha. Kulula ukufunda kwaye inikezela ngenani elikhulu lamathuba okusetyenziswa. Ukongeza kwiiseva zewebhu, I-PHP ingasetyenziselwa ukwenza izicelo zedesktop kunye nezikripthi zecron. Apha ngezantsi kukho izinto ezibalulekileyo ze-PHP ekufuneka uqhelane nazo.

Inyathelo lokuqala nelona libalulekileyo ekusebenziseni i-PHP kukufunda iziseko. Olu lwimi lukuvumela ukuba wenze iiwebhusayithi ezinolwazi oluncinci lwe-HTML, kwaye iyakwazi ukunxibelelana novimba weenkcukacha. Unokusebenzisa oku kuncedo lwakho. I-PHP yinguqulelo yamva nje yolu lwimi kwaye inezinye iingenelo ezininzi. Nangona kunjalo, kufuneka uhlale ukhumbula ukulandela iindlela ezingcono xa usebenza nayo. Ukuba unombuzo, ungasoloko uqhagamshelana nam. Ndingakuvuyela ukukunceda!

Ukuba umtsha kwinkqubo ye-PHP, Ndicebisa ukuba uqale ngeminye imizekelo yenkqubo esisiseko kwaye emva koko wakhe ulwazi lwakho njengoko uqhubeka. Enye yezona zinto zibalaseleyo nge-PHP kukuba inokuqhuba nakweliphi na iqonga. Ukwengeza, isebenziseka kakhulu kwaye ingasetyenziselwa nayiphi na injongo. Ukuba ungumqali, PHP lulwimi olukhulu kuwe. Ngokungafaniyo neHTML, PHP akukho lula ukufunda kuphela, kodwa ibuye ibe bhetyebhetye.

PHP-Skripte mit HTML

A PHP script is an interpreted script written in the PHP programming language. Ingasetyenziselwa ukwenza amaphepha ewebhu. Izikripthi ze-PHP zisebenzisa izinto eziguquguqukayo, eziyimitya okanye amanani adibanisa idatha yangaphandle kwiscript. Izinto eziguquguqukayo zinokumela nantoni na ukusuka kumanani alula ukuya kwiisimboli, umbhalo, okanye zonke iikhowudi zeHTML. Izinto eziguquguqukayo ziqhelekile zodidi lwedatha. Uhlobo lokuqala lwexabiso ngumtya, oluguquguqukayo olunokuba nabuphi na ubude. Ayiyonxalenye yalo naluphi na olunye uhlobo lwedatha. Umzekelo, umtya “Molo Lizwe” ithathwa njenge-Uberschrift, elixabiso lokuqala elitolikwe sisikhangeli sewebhu.

Rhoqo, i-PHP-Skripte iqulethe zombini i-HTML kunye nenkqubo yokuqiqa. Eyona ndlela iqhelekileyo yokwahlula ezimbini kukusebenzisa ifayile eyahlukileyo nganye. Kwabaqalayo, kubalulekile ukuseka indawo yophuhliso ezinzileyo. Musa ukusebenza kwiiseva zoluntu, kodwa cwangcisa iseva yewebhu yovavanyo ukunqanda ukubangela naziphi na iingxaki. Qinisekisa ukuba iisetingi zeseva yewebhu ziyafana nenkqubo yemveliso. Kwakhona, qwalasela indlela oya kutshintshiselana ngayo idatha phakathi kwe-PHP-scripts kunye ne-HTML.