{"id":4097,"date":"2020-10-30T22:10:47","date_gmt":"2020-10-30T21:10:47","guid":{"rendered":"https:\/\/webhosting.de\/?p=4097"},"modified":"2020-10-30T22:10:47","modified_gmt":"2020-10-30T21:10:47","slug":"multifunktionell-webbplats-php-och-mysql-foer-din-hemsida","status":"publish","type":"post","link":"https:\/\/webhosting.de\/sv\/multifunktionale-website-php-und-mysql-fuer-ihre-homepage\/","title":{"rendered":"Multifunktionell webbplats - PHP och MySQL f\u00f6r din hemsida"},"content":{"rendered":"

F\u00f6rv\u00e4nta dig mer av din hemsida \u00e4n bara en statisk Webbplats<\/a>? Vill du inte bara f\u00f6rlita dig p\u00e5 m\u00f6jligheterna i ditt hemsidekit eller en f\u00e4rdig l\u00f6sning f\u00f6r skapande av hemsidor? Vill du b\u00e4ttre f\u00f6rst\u00e5 bakgrunden till programmering av hemsidor och skapa egna l\u00f6sningar?<\/p>\n

- D\u00e5 b\u00f6r du l\u00e4ra k\u00e4nna PHP b\u00e4ttre. Tack vare PHP och MySQL har m\u00e5ngfalden av funktioner kommit till webbhotellens servrar. Med en kort introduktion till PHP och MySQL bjuder vi in dig att sj\u00e4lv uppt\u00e4cka de viktigaste webbverktygen.<\/p>\n

PHP och MySQL f\u00f6r hemsidan - varf\u00f6r \u00e4r det s\u00e5 dyrt?<\/p>\n

PHP och MySQL visas inte direkt i webbl\u00e4saren. Fram till i dag \u00e4r det webbl\u00e4saren som g\u00f6r den visuella representationen av hemsidan med hj\u00e4lp av HTML. B\u00e5de det \"fria\" skriptspr\u00e5ket PHP (PHP-licens) och det Databas<\/a> MySQL k\u00f6rs endast p\u00e5 servern.<\/p>\n

Detta v\u00e4cker fr\u00e5gan varf\u00f6r PHP anv\u00e4nds p\u00e5 cirka 250 miljoner webbplatser i st\u00e4llet f\u00f6r att programmera i HTML. Det vore logiskt att f\u00f6redra direkt datautg\u00e5ng framf\u00f6r \"f\u00f6rbehandling\" med ett skriptspr\u00e5k.<\/p>\n

Men att bara anv\u00e4nda HTML f\u00f6r webbsidan skulle vara f\u00f6r kortsiktigt, eftersom det h\u00f6ga v\u00e4rdet f\u00f6rklarar sig sj\u00e4lvt i efterhand.<\/p>\n

Kortfattad genomg\u00e5ng:<\/p>\n

P\u00e5 90-talet, innan Rasmus Lerdorf utvecklade den f\u00f6rsta PHP-versionen, var det inte l\u00e4tt att skapa en webbplats. Det var inte m\u00f6jligt att skapa en dynamisk hemsida med en anslutning till en databas med hj\u00e4lp av enbart HTML-kommandon. Detta innebar att det fanns sn\u00e4va gr\u00e4nser f\u00f6r automatiserad interaktion med sidbes\u00f6karen.<\/p>\n

Nutidsvittnen minns s\u00e4kert fortfarande animerade gif-bilder, s\u00e5 att n\u00e5got r\u00f6rde sig p\u00e5 sidan \u00f6verhuvudtaget. Att koppla ett forum eller en butik till hemsidan var p\u00e5 den tiden f\u00f6rbeh\u00e5llet n\u00e5gra f\u00e5 expertteam p\u00e5 speciella servrar.<\/p>\n

Det var f\u00f6rst PHP som skapade m\u00f6jligheten att kalla sj\u00e4lvutformade kommandon (skript) p\u00e5 webbservrar. Detta banade v\u00e4g f\u00f6r att observera anv\u00e4ndarnas beteende och f\u00f6r att enkelt kunna integrera databaser. Enligt myten skapades PHP f\u00f6r att uppfinnaren ville veta hur ofta bes\u00f6kare tittade p\u00e5 hans CV p\u00e5 sin webbplats.<\/p>\n

PHP f\u00f6r webbplatsen - vad ska man t\u00e4nka p\u00e5 p\u00e5 serversidan?<\/p>\n

Cirka 83 procent av alla servrar i v\u00e4rlden k\u00f6r PHP-versionerna 5.4 till 5.6. Version 6 kommer inte att vara tillg\u00e4nglig, men utvecklarna har meddelat att de kommer att uppdatera till version 7.0 under 2015. St\u00e4ndig vidareutveckling s\u00e4kerst\u00e4ller programvarul\u00f6sningens framtida stabilitet. PHP-skript k\u00f6rs allt snabbare och antalet funktionsbibliotek (hj\u00e4lpmoduler) forts\u00e4tter att \u00f6ka.<\/p>\n

P\u00e5 grund av den stora spridningen \u00e4r det viktigt att uppm\u00e4rksamma PHP och MySQL n\u00e4r du v\u00e4ljer webbhotell. N\u00e4stan alla inneh\u00e5llshanteringssystem, butiker och f\u00e4rdiga applikationer kr\u00e4ver skriptspr\u00e5ket och databasen MySQL p\u00e5 serversidan. \u00c4ven utan egna PHP-kunskaper vore det oklokt att l\u00e4gga hemsidan p\u00e5 en server som inte erbjuder skriptspr\u00e5ket.<\/p>\n

Skriv skript sj\u00e4lv - L\u00e4r dig PHP<\/p>\n

Homepage byggsatser<\/a> och inneh\u00e5llshanteringssystem ger intryck av att det inte l\u00e4ngre \u00e4r modernt att hantera PHP och databasen sj\u00e4lv. Behovet av individualisering p\u00e5 varje webbplats talar emot denna utbredda tes.<\/p>\n

PHP kan l\u00e4ras p\u00e5 kortast m\u00f6jliga tid. Syntaxen f\u00f6r skriptspr\u00e5ket \u00e4r baserad p\u00e5 C och Perl. L\u00e4rande l\u00f6nar sig inte bara f\u00f6r teknikfreaks. F\u00f6r anv\u00e4ndare som arbetar med prefabricerade l\u00f6sningar ger lite PHP omfattande anpassningsm\u00f6jligheter.<\/p>\n

Praktiskt taget alla leverant\u00f6rer av webbprogram f\u00f6r hemsidor till\u00e5ter att du l\u00e4gger till egna PHP-skript i deras program. Detta \u00e4r det enda s\u00e4ttet att skapa en multifunktionell webbplats som moderna bes\u00f6kare f\u00f6rv\u00e4ntar sig.<\/p>","protected":false},"excerpt":{"rendered":"

Erwarten Sie mehr von Ihrer Homepage, als nur eine statische Webseite? M\u00f6chten Sie sich nicht nur auf die F\u00e4higkeiten Ihres Homepagebaukastens oder einer vorgefertigten L\u00f6sung zur Homepageerstellung verlassen? Erhoffen Sie sich, die Hintergr\u00fcnde der Homepageprogrammierung besser zu verstehen und eigene L\u00f6sungen zu erschaffen? – Dann sollten Sie PHP n\u00e4her kennenlernen. Dank PHP und MySQL wurde 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