Yekutanga Inotungamira kune PHP Chirongwa

php entwickler mutauro wekunyora-mutsara

PHP ndiyo inoshandiswa zvakanyanya yakavhurika sosi yekunyora mutauro. Iyo inonyanya kubatsira pakuvandudza webhu nekuda kwekugona kwayo kuiswa muHTML. Kumhanyisa PHP script, muturikiri wemutsara wekuraira anofanira kuvandudzwa kune yazvino vhezheni yakagadzikana. PHP command-line scripting language inoda zvinhu zvitatu: a webserver, web browser, uye PHP. PHP zvirongwa zvinoitwa pane sevha uye zvinobuda zvinoratidzwa muwebhu browser.

PHP inotsigira marudzi maviri ezvakasiyana: integer uye kaviri. Integer ndiyo yepuratifomu-chaiwo mhando yedata, nepo kaviri iri imwe-chaiyo data mhando. Imwe mhando itambo, iyo inogona kutaurwa imwe chete kana kudzokororwa kaviri. The var_dump() command inorasa ruzivo nezve kukosha kwazvino kwekuchinja. Var_export() inokutendera kuti utumire kunze kukosha kwekusiyana muPHP kodhi. Murairo wakafanana ndewe print_r(), iyo inodhinda kukosha kwekusiyana kwechimiro chinoverengwa nemunhu.

PHP inoonekwa sePerl inotevera. Mazhinji mawebhusaiti anozivikanwa uye masevhisi anoshandisa PHP. Iine nharaunda yakakura yevagadziri, yakanakisa rutsigiro network, uye yakasununguka kushandisa. Mitauro yakawanda yekunyora inogona kudzidzwa munguva pfupi. Uyezve, vazhinji vakasununguka, nyore kushandisa, uye hazvide maropafadzo akakosha kana TCP ports.

PHP mutauro wekunyora une mukurumbira wewebhu saiti. Nhasi, anopfuura mamirioni gumi ewebhusaiti anoshandisa PHP. PHP zvinyorwa zvinowanzoiswa muHTML, saka iyo kodhi inomhanya pane server, kwete pakombiyuta yemutengi. Pamusoro pekuvandudzwa kwewebhu, PHP scripting inoshandiswa kune zvimwe zvinangwa. Iyo yekuraira-mutsara vhezheni yePP inobvumira vanogadzira mapurogiramu kunyora PHP zvinyorwa pasina nharaunda yakakwana.

PHP mutauro wakavhurika wekunyora

PHP mutauro wakavhurika wekunyora unoshandiswa zvakanyanya pakuvaka mawebhusaiti. Iro server-side scripting language iyo inoita mirairo yeprogramming panguva yekumhanya uye inodzosa mibairo zvichienderana nedata yainoita.. PHP inowanzo shandiswa kuvaka mawebhusaiti ane simba, kusanganisira mawebhusaiti uye zvitoro zvepa online. Inowanzoshandiswa pamwe chete newebhu server seApache, Nginx, kana LiteSpeed.

PHP mutauro wakavhurika wekunyora unogona kutorwa mahara uye unogona kuiswa nyore nyore pakombuta yako. Inotsigira akawanda mabhurawuza ewebhu uye anowirirana neakawanda emawebhu maseva makuru. Zviri nyore kudzidza uye zviri nyore kushandisa. Iyo PHP nharaunda inoshanda uye inopa akawanda zviwanikwa kune vanogadzira.

PHP inochinjika zvakanyanya. Inogona kusanganiswa nyore nyore nemimwe mitauro yemapurogiramu. Kunyanya kushandiswa kwePHP ndeyewebhu maseva, asi inogona zvakare kushandiswa pabrowser kana mutsara wekuraira. Iyo inoshuma zvikanganiso uye ichazvisarudzira iyo datatype yemhando. Kusiyana nemimwe mitauro yekunyora, PHP haipe iyo yepamusoro chengetedzo level, uye haina kunaka pakuvaka giant content-based web applications.

PHP yakatanga seyakavhurika sosi purojekiti uye yakaramba ichishanduka sezvo vanhu vazhinji vakawana mashandisiro ayo. Shanduro yekutanga yakabudiswa muna 1994 naRasmus Lerdorf. PHP ndeye yakavhurika sosi server-side scripting mutauro unogona kubatidzwa muHTML. PHP inowanzo shandiswa kugadzira mawebhusaiti ane simba, kutarisira databases, uye kuteedzera masesheni evashandisi. Inoshandiswawo zvakanyanya mumawebhusaiti uye inoenderana neakawanda anozivikanwa dhatabhesi.

PHP iri nyore kudzidza uye isarudzo yakakurumbira kune vanotanga. Syntax yaro ine musoro uye iri nyore kunzwisisa. Vashandisi vanogona kushanda zviri nyore nemabasa nemirairo, uye zvakare zviri nyore kune vanogadzira mapurogiramu kuita shanduko pazviri sezvinodiwa.

PHP inoshandiswa kugadzira backend logic yemawebhusaiti

PHP mutauro wekunyora une simba, uye inowanzo shandiswa kugadzira iyo backend logic yemawebhusaiti. Inoshandiswawo mune chaiyo chaiyo uye yekugadzira intelligence application. Inopawo masimba mamwe eanonyanya kufarirwa zvemukati manejimendi masisitimu. Inoshandiswa kugadzira mawebhusaiti, uye isarudzo yakanakisa yevagadziri vewebhu.

PHP inozivikanwa yakavhurika-sosi programming mutauro uye chimiro chinoita kuti zvive nyore kugadzira webhu maapplication. Iyo yakavhurika-sosi chimiro chePP chinoita kuti zvikwanise kuigadzirisa kuti ikwane zvakati zvinodiwa. PHP inoshandiswa kugadzira akawanda ebackend logic yemawebhusaiti, zvakadai se WordPress. Ndiwo mumwe wemitauro inonyanya kufarirwa pakuvandudza dandemutande, pamwe 30% yemawebhusaiti ese pawebhu uchishandisa imwe fomu yePHP.

Imwe yakajairika application yePHP iri mumunda wesocial media. Mawebhusaiti emasocial media mapuratifomu anoda kukurumidza dhatabhesi mibvunzo uye inokurumidza inogoneka yekurodha nguva. PHP inogona kupa aya maficha, uye masocial media masosi senge Facebook anoishandisa kune avo masaiti. Saizvozvo, Facebook inogamuchira zvinopfuura 22 mabhiriyoni evashandisi vakasiyana pamwedzi, saka PHP yakakosha pakubudirira kwavo.

Pamusoro pekuve nyore kudzidza uye kushandisa, PHP iri nyore kuchengetedza. Zviri nyore kugadzirisa kodhi yewebhusaiti, uye zviri nyore kubatanidza mashandiro matsva. Izvi zvinoita kuti zvive nyore kuenderana nekuchinja kwezvinodiwa zvebhizinesi rako. Iyo backend logic yemawebhusaiti inowanzo hunyanzvi, uye PHP isarudzo yakanaka yerudzi urwu rwebasa.

Kunze kwekuva mutauro unobatsira pakuvandudza dandemutande, Vagadziri vePP vanodiwawo kuti vajairane nePPP maitiro, zvakadai seCakePHP, CodeIgniter, nevamwe vakawanda. Ivo zvakare vanofanirwa kuve neruzivo rwemadatabase, zvakadai seMySQL uye DB2, iyo inoshandiswa kugadzirisa data. Vagadziri vePP vanowanzodikanwa kuti vashande padhuze nevemberi-yekupedzisira timu yekuvandudza, sezvo basa ravo rinotarisa kuti webhusaiti inoita sei.

PHP inoshandiswa kugadzirisa dhatabhesi

Kugadzirisa dhatabhesi muPHP kunogona kukubatsira kuvandudza dhatabhesi kuita. Kushandisa-multi-threading uye caching kunogona kuwedzera kushanda kwechikumbiro chako uye kuderedza nhamba yenguva yainofanira kuwana iyo database.. Iwe unogona zvakare kukwirisa dhatabhesi mashandiro nekubvisa tsika mabasa. Izvi zvinoderedza nhamba yenguva PHP inofanirwa kuunganidza script uye ichachengetedza pakushandiswa kwendangariro.

Mune PHP, kune maviri akakosha mabasa ekugadzirisa dhatabhesi: dba_optimize uye dba_sync. Aya mabasa anoshanda kukwenenzvera dhatabhesi nekubvisa magapu akagadzirwa nekubvisa uye kuisa. Iyo dba_sync basa rinowiriranisa dhatabhesi pane dhisiki uye ndangariro. Izvi zvinobatsira optimize database, nekuti marekodhi akaiswa anogona kuvharirwa mundangariro yeinjini, asi mamwe maitiro haazvione kusvika kuwiriranisa kwaitika.

Kana database yakagadziridzwa, inomhanyisa kuratidzwa kwedata uye inogona kuita kuti webhusaiti yako itore nekukurumidza. Zvisinei, Izvi zvinoonekwa chete kana uine dhatabhesi hombe. Semuyenzaniso, database ine zvakawanda kupfuura 10,000 mitsetse kana inodarika 500MB muhukuru ingangobatsirika nekugadzirisa. Unogona kuwana phpMyAdmin kubva kuCanel yako kuti uite iyi optimization.

Kuvandudza kushanda, iwe unofanirwa kukwidziridza kune yazvino vhezheni yePHP. Unogona kuwana vatsigiri vepakati uye kurodha yazvino vhezheni yePHP kubva kuGitHub. Munguva iyi nzira, iwe unofanirwa kutarisa pane kodhi optimization. Semuyenzaniso, shandisa JSON data mhando panzvimbo yeXML. Zvakare, shandisa isset() pane xml, sezvo zviri kukurumidza. Pakupedzisira, ramba uchifunga kuti yako modhi uye controller inofanirwa kunge iine bhizinesi rako logic, nepo DB zvinhu zvichifanira kupinda mumamodheru uye vatongi.

Pane nzira dzakawanda dzekugadzirisa PHP kuita zvirinani. Kushandisa opcode cache uye OPcache kunogona kukubatsira kuvandudza mashandiro ewebhu maapplication ako. Aya mazano anogona kukubatsira kukwidziridza mashandiro edatabase yako uye kuderedza nguva yekuremerwa.

PHP inoshandiswa kugadzira software

PHP ishanduro yemutauro inoshandiswa zvakanyanya inoshandiswa mukuvandudza webhu uye software dhizaini. Iyo inotsigira akati wandei dhatabhesi uye yakagadzirirwa kupindirana neakasiyana maprotocol. Zviri nyore kudzidza uye ine yakasimba online nharaunda. Mutauro unogona kushandiswa kugadzira ese makuru uye madiki mawebhusaiti. Inogona kushandiswa kugadzira ese ari maviri uye ane simba mawebhusaiti. Mamwe eCMS anonyanya kufarirwa anotungamirwa uchishandisa PHP anosanganisira WordPress, Drupal, Joomla, uye MediaWiki.

PHP mutauro une simba wekugadzira mapeji ewebhu, eCommerce platforms, uye interactive software. PHP ine nzira yakatarisana nechinhu, iyo inosimudzira pfungwa yezvinhu kugadzira yakaoma web application. Anenge 82% yemawebhusaiti anoshandisa PHP ye server-side programming, uye kune zvisingaverengeki webhu-based application zvakanyorwa muPHP.

PHP inobatsirawo pakubata mifananidzo. Akasiyana-siyana ekugadzirisa mifananidzo maraibhurari akadai seImageMagick uye GD raibhurari inogona kubatanidzwa neiyo PHP maapplication. Nemaraibhurari aya, vagadziri vanogona kugadzira, edit, uye chengetedza mifananidzo mumhando dzakasiyana. Semuyenzaniso, PHP inogona kushandiswa kugadzira thumbnail mifananidzo, watermark mifananidzo, uye wedzera zvinyorwa. Inogonawo kugadzira uye kuratidza email kana fomu rekupinda.

PHP's dhizaini mapatani akafanana neC ++ uye Java. Kushandisa kodhi yakanyatsogadziriswa chinangwa chinodiwa. PHP inoshandisa dhizaini mapatani kuti ive nechokwadi chekushandisazve kodhi. Nokushandisa maitiro ekugadzira, vagadziri vanogona kudzivisa kugadzirisa matambudziko akafanana kakawanda. Izvi zvinoreva kuti vanogadzira vanogona kushandisa reusable kodhi uye kuchengeta software yavo ichikwanisika uye ichiwedzera.

PHP ndeye yakavhurika-source server-side scripting mutauro unowanzoshandiswa kugadzira mawebhusaiti uye maapplication. Vagadziri vanogona kugadzirisa PHP kodhi nenzira dzakasiyana, kuvabvumira kuishandisa zvakare kune zvinangwa zvakasiyana. Iyo ine zvakare yakavakirwa-mukati nzira dzekuchengetedza, kuvimbiswa kwemushandisi, uye SQL mubvunzo muvaki. Uyezve, PHP ine IDE ine simba inogona kushandiswa kugadzira web applications uye mawebhusaiti.