Kuxazululiwe: indawo kanhlokweni

Indawo yesihloko iyithuluzi elinamandla ku-PHP. Inikeza onjiniyela indlela ephumelelayo yokulawula ukuhamba kwezinhlelo zabo zokusebenza zewebhu. Lesi sihloko sizohlola kahle lo msebenzi, siveze izinkinga zawo, izixazululo, kanye nezinyathelo ezidingekayo zokuwusebenzisa ngendlela efanele ukuze usebenze kahle.

Ama-PHP's indawo kanhlokweni isetshenziselwa ukuthumela unhlokweni we-HTTP ongahluziwe kuklayenti. Ivamise ukusetshenziselwa ukuqalisa ukuqondisa kabusha, okuvumela umthuthukisi ukuthi athumele umsebenzisi ekhasini elihlukile noma isayithi.

<?php
   header('Location: http://www.example.com');
   exit;
?>

Umsebenzi ongenhla uzoqondisa umsebenzisi kokuthi โ€œwww.example.comโ€. Nokho, kubalulekile ukuthi ungasibukeli phansi isitatimende โ€œsokuphumaโ€. Uma unjiniyela ehluleka ukufaka lokhu, iskripthi singase siqhubeke nokusebenza, okungase kuholele kuziphazamisi ezingabonakali.

Ukuqonda Izinkinga ngendawo Yesihloko

Inkinga evame kakhulu ngomsebenzi weheda ku-PHP yi-โ€œizihloko sezivele zithunyelweโ€ iphutha. Lokhu kwenzeka uma unjiniyela ezama ukulungisa izihloko ze-HTTP ngemva kokuthi zithunyelwe esipheqululini.

<?php
   echo 'Hello, World!';
   header('Location: http://www.example.com');
?>

Kuskripthi esingenhla, kubalulekile ukuqonda ukuthi i-PHP ithumela izihloko esipheqululini ngokushesha nje lapho kukhona okukhiphayo. Ngokunjalo, "izihloko sezivele zithunyelweโ€ kuzokwenzeka iphutha emugqeni wesibili njengoba โ€œi-echoโ€ emugqeni wokuqala isivele icuphe izihloko.

Ukuxazulula Inkinga Evamile

Isixazululo esiqondile siwukuqinisekisa ukuthi yonke imisebenzi yeheda iyabizwa ngaphambi kwanoma yikuphi okukhiphayo. Lokhu kungafaka ama-echoes, izitatimende zokuphrinta, i-HTML, noma enye idatha.

<?php
   header('Location: http://www.example.com');
   echo 'Hello, World!';
   exit;
?>

Amazwibela ekhodi angenhla akhombisa indlela eyiyo yoku-oda ikhodi yakho ye-PHP ukuvimbela โ€œizihloko sezivele zithunyelweโ€ iphutha. Ngokwenza lokhu, siqinisekisa ukuthi umsebenzi weheda ubizwa ngaphambi kokuthi noma yikuphi okukhiphayo kuthunyelwe kusiphequluli.

Incazelo Yesinyathelo Nesinyathelo Yendawo Yesihloko

Nazi izinyathelo ezibandakanyekayo ekusebenziseni umsebenzi Wendawo Yesihloko ngendlela efanele:

  • Shayela umsebenzi kanhlokweni ngaphambi kokuba noma yikuphi okukhiphayo kuthunyelwe esipheqululini.
  • Ipharamitha yomsebenzi kanhlokweni kufanele kube iyunithi yezinhlamvu ecacisa i-URL entsha lapho ufuna ukuqondisa kabusha khona umsebenzisi.
  • Ongakukhetha, kodwa kunconyiwe ukusetshenziswa 'kokuphuma' ukuze kumiswe ukusebenza kombhalo we-PHP ngemva kokuthumela unhlokweni wendawo.

Ukulandela lezi zinyathelo kuzoqinisekisa izinqubo ezihamba phambili empilweni yakho PHP ikhodi lapho usebenza nezihloko.

Ukusetshenziswa okungalungile kwe- indawo kanhlokweni umsebenzi ungaholela kuhlu lwamaphutha, njengawo asabekayo โ€œizihloko sezivele zithunyelweโ€ iphutha. Ngokuqonda kahle nokusebenzisa lo msebenzi ku-PHP, ungakwazi ukulawula kahle ukugeleza kohlelo lwakho lwewebhu futhi uthuthukise ulwazi lomsebenzisi ngokubaqondisa emakhasini afanele noma amasayithi.

Okuthunyelwe okuhlobene:

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