Ukwazi ukuba isebenza njani i-PHP

PHP Yiyo Inkqubo yolwimi esetyenziswa rhoqo ekwenzeni umxholo wewebhu onokuthi uzenzele amaphepha e-html kunye neekhowudi zomthombo. I-PHP yi isingqisho esiphindaphindayo Ingaba ithetha ntoni "PHP Humxholo PIprosesa kwakhona ((ekuqaleni izixhobo ze-PHP, okanye, Pngokobuqu Hekhaya Page Izixhobo), kwaye iyi ulwimi olutolikwa isetyenziselwa ukwenza usetyenziso lweeseva, okanye ukwenza umxholo onamandla kwiiwebhusayithi. Mva nje kukwenziwa nezinye iintlobo zeenkqubo kubandakanya usetyenziso olunomfanekiso obonakalayo usebenzisa iilayibrari Qt o GTK +.

UKUSETYENZISWA kwe-PHP

Ukusetyenziswa okuphambili kwe-PHP zezi zilandelayo:

  • Ishedyuli ye kumaphepha ewebhu i-dynamics, ihlala idityaniswa nenjini yedatha MySQL, nangona inenkxaso yemveli kwezinye iinjini, kubandakanya umgangatho ODBC, eyandisa kakhulu amathuba akho onxibelelwano.
  • Inkqubo yeConsole, kwisitayile se Perl o Ukubhalwa kweShell.
  • Ukudalwa kwezicelo zemizobo ezimeleyo kwisikhangeli, ngokudityaniswa kwe-PHP kunye Qt/GTK +, Ukuvumela ukuba uphuhlise usetyenziso lwe desktop kwi iinkqubo zokusebenza apho ixhaswa khona.

IINKCUKACHA ZE-PHP

  • Yiyo ulwimi lweplatform.
  • Ukwazi ukunxibelelana noninzi lwedatha esetyenziswayo namhlanje, iphakamisa uqhagamshelo lwayo kunye MySQL
  • Funda kwaye ulawule idatha evela kwimithombo eyahlukeneyo, kubandakanya idatha enokufakwa ngabasebenzisi kwiifom ze-HTML.
  • Amandla okwandisa ukubakho kwayo usebenzisa inani elikhulu leemodyuli (ezibizwa ngokuba yi-ext's okanye izandiso).
  • Inamaxwebhu abanzi kwiwebhusayithi yayo esemthethweni ([1]), phakathi kwayo ekumeni ukuba yonke imisebenzi yenkqubo icacisiwe kwaye ibonisiwe kwifayile yoncedo enye.
  • Es freeKungenxa yoko le nto iboniswa njengenye indlela efikeleleka ngokulula kuye wonke umntu.
  • Ivumela ubuchule be Inkqubo ejolise kwinto.
  • Ikuvumela ukuba wenze iifom zewebhu.
  • Kubanzi kakhulu kwaye kubandakanya ithala lencwadi lemisebenzi
  • Ayifuni nkcazo yeentlobo eziguqukayo okanye ukuphathwa okunenqanaba eliphantsi.

Nanku umzekelo wephepha lewebhu elilula eliphuhliswe kusetyenziswa ulwimi lwe-PHP.

Umzekelo

<?php

if (ikhutshwe($ _POSA['bonisa'])) {

     Bhala 'Mholo, '.hnkusi($ _POSA['Igama'])

         .Ukutya okuthandayo ngu: '. hnkusi($ _POSA['ukutya']);

} enye {

?>

<indlela yefom="THUMELA" isenzo ="?"> Ngubani igama lakho?"umbhalo" igama ="Igama"> Kukuphi ukutya okuthandayo?"ukutya"> Ispaghetti Roast Ipitsa"ngenisa" igama ="bonisa" ixabiso ="Landela, qhubeka">

<?php

}

?>



Kule khowudi kunokwenzeka ukuba uqaphele ezi zinto zilandelayo:

  • Izinto eziguquguqukayo ezithunyelwe kwifom kusetyenziswa indlela ye-POST, zifunyanwa ngolwimi ngaphakathi kuluhlu $_POST, elenza lula ukufumana olu hlobo lwedatha. Le ndlela inye isetyenziswa lulwimi kuyo yonke imithombo yolwazi kwisicelo sewebhu, njenge cookies kwimatriki $_COOKIES, URL eziguquguqukayo kwi $_GET (ezinokuthi zisetyenziselwe ukugcina idatha), iiseshini eziguquguqukayo zisebenzisa $_SESSION, kunye neseva kunye nokuguquguquka kwabaxhasi ngokoluhlu $_SERVER.
  • Ikhowudi ye-PHP ingene ngaphakathi HTML kwaye inxibelelana nayo, ikuvumela ukuba uyile iphepha leWebhu kumhleli oqhelekileyo HTML kwaye ungeze ikhowudi enamandla ngaphakathi kweethegi <?php ?>.
  • Iziphumo zibonisa kwaye zifihla iinxalenye ezithile zekhowudi HTML ngokwemeko.
  • Kuyenzeka ukuba isebenzise imisebenzi ekhethekileyo yolwimi kwizicelo zeWebhu ezinje htmlentitites(), eguqula oonobumba abanentsingiselo ethile kwikhowudi HTML okanye ezinokuthi ziboniswe ngempazamo kwisikhangeli njengee-aksenti okanye ii-umlauts, ngokufana kwazo kwifomathi HTML..

Ukuba ufuna ukuqhubeka nokufunda ngakumbi malunga noLwimi oluDumileyo lwasimahla, ungandwendwela iwebhusayithi esemthethweni


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  1. Uxanduva lwedatha: UMiguel Ángel Gatón
  2. Injongo yedatha: Ulawulo lwe-SPAM, ulawulo lwezimvo.
  3. Umthetho: Imvume yakho
  4. Unxibelelwano lwedatha: Idatha ayizukuhanjiswa kubantu besithathu ngaphandle koxanduva lomthetho.
  5. Ukugcinwa kweenkcukacha
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