Indlela ukubhala kwifayili PHP

Ukuba ngaba umsebenzi self-ngawethu nePHP, kubalulekile ukufunda indlela yokufunda data evela ifayile kwaye ufake utshintsho kuwo. Ukubhala kwifayile-PHP luqhutywa kuphuhliso izicelo web, utshintsho data iseva-cala kwaye ukuqalisa iinkqubo zangaphandle kunye inclusions.

Indlela ukuba usebenze ngeefayile PHP

Ukuba ulwandiso lwefayile lukhangelwe, oko kuthetha ukuba iqulathe ikhowudi ebhaliweyo kwi zolwimi olufanayo kweenkqubo. Ukugcina utshintsho, kuza kufuneka ufake kwi PC yakho yenye umhleli nkqubo:

• Umhleli Expert PHP;
• Dreamweaver;
• Uphuhliso PHP Eclipse;
• PHPEdit.

Xa uyila website, kufuneka basoloko usebenzise uyilo afanayo, ezithi lula zigcinwe neethemplethi kwifayile eyahlukileyo. Kungcono usebenzise ziquka. Emva kokungena lo msebenzi, kufuneka wenze ungeno kwi igama lefayile PHP okanye ulwandiso uqhagamshelo lwefayile, umzekelo, iquka 1.php. Oku kuyilwa ixhasa ezininzi ukufunda ifayile ibandakanyiwe, kwaye inkalo engaphezulu ekuqhubekekeni wabulawayo ikhowudi kwi impazamo. Ukuba kukho into ehamba kakubi, ikhowudi iza kuqhubeka ukubaleka kumgca omtsha.
Ngoko ke, ukuba uxhume kwifayile yakho ikhowudi. Enye indlela ukungena zifuna. Mu kuya kwa nshita ziquka oku kungasentla, ifayile liqhagamshelaniswe ekuqaleni inkqubo yekhowudi, kodwa sikuncede kanye kuphela.

ifayile Khangela

Phambi kokuba wenze ungeno kwi fayile-PHP, kufuneka uqiniseke ukuba ukho, uze uvule phezulu kwaye enze wokuhlela kuyimfuneko. Ungasebenzisa file_exists () umsebenzi, ukuba siqinisekisa ubukho impendulo TRUE, umhleli ziya kubuyiselwa, ngenye indlela - FALSE.
Into kubekho ufakelo lweenkcukacha kwifayile-PHP, ukuze azise omnye is_file () umsebenzi. Kuyinto othembeke ngakumbi file_exits, kunye badwelisi benkqubo ezininzi ukuze uqalise ukuyisebenzisa is_file. Xa sele uyitshekishile i fayile ikhona, ungaqalisa ukusebenza nalo.

Ukwenza utshintsho kwifayile

Isixhobo yokuqala onokuzisebenzisa ukwenza utshintsho kwifayile - fwrite (). Yena ubhala umtya kunye lwesivakalisi ilandelayo:

• Int - ingalo;
• Umtya - variable.

Kukho enye efanayo lo msebenzi - fputs (), nto leyo isibizo. Umahluko phakathi kwezi zixhobo akunjalo, ingasetyenziselwa ngokukhetha enye okanye ezinye. Ukuze abafundi fwrite zimandla, kunye badwelisi benkqubo abenza badla ukusebenzisa fputs.

Ukuze wenze ungeno kwi PHP kwifayile yombhalo, kufuneka ugcine imeko enye ebalulekileyo - kufuneka ibe selubala uhlaziyo. Le fayile kufuneka ibekwe kwifolda kunye ukufikelela bhala.

Ukuze isebenze kuqala zama ukuvula uxwebhu lokubhaliweyo kwiprogram, uze wenze utshintsho ngokusebenzisa izixhobo eziqhelekileyo.

// Vula ifayile yombhalo
$ F = fopen ( "text.txt", "w ');
// Bhala umgca lwesicatshulwa
fwrite ($ f, "Molo Bhota !!");
// Vala kwifayile yombhalo
fclose ($ f);

Kulo mzekelo, text.txt - igama xwebhu. Ungafowunela ngendlela eyahlukileyo: «Hello! Good day »-! Umzekelo umbhalo, kunokuba ngokuthe ngqo. Lonke utshintsho agcinwa ngokuzenzekelayo kwi fayile evulekileyo.

Qaphela ukuba PHP - script lulwimi injongo jikelele. Yena kabanzi esisetyenziswayo ukwenza izicelo Web. Esi sigqibo sixhaswa abaninzi ababoneleli webhu. It is a yinkokeli phakathi iindlela ezisetyenziswe ekuyileni websites. Ngoku uyazi ukuba wenze njani ingxelo kwifayile yePHP.