A Step-By-Step Tutorial For PHP Programmierung

Tej zaum koj tab tom nrhiav ib kauj ruam los ntawm kauj ruam tutorial rau PHP programming. Tsab xov xwm no npog cov ncauj lus xws li hom kev tshaj tawm, cov lus txhais hloov pauv, PHP versions, thiab PHP-GTK. Tom qab nyeem nws, koj yuav tsum muaj peev xwm code yooj yim web daim ntawv thov nrog yooj yim. Tab sis yuav ua li cas yog tias koj muaj lus nug lossis tsis paub meej tias yuav pib qhov twg? Peb tau txais koj npog!

Hom lus tshaj tawm

Tus tshiab version ntawm PHP 7 ntxiv scalar hom kom ua kom muaj nuj nqi yooj yim rau siv. Cov lus thoob plaws no tso cai rau cov neeg tsim khoom sib pauv tawm hom thaum twg xav tau. Cov neeg teb xov tooj tshiab, suav nrog Spaceship Operator, ua kom tiav cov lus syntax. Cov no yog cov lus nifty ntxiv. Hom ntawv tshaj tawm yog cov lus tshaj tawm ntawm ib hom. Hauv PHP, ib hom yog ib txoj hlua, ib tus lej, muaj nuj nqi, lossis kev sib xyaw ua ke ntawm hom.

Hauv PHP, you can use the strripos function to distinguish between small and gross-spelling. Strripos() was introduced in PHP 5.0. When comparing strings, make sure to use exact equality (===) to avoid the possibility of an incorrect result. Another function is stripos(). It is the same as strpos(), but doesn’t take into account small or gross-spelling.

String operations can be difficult to understand without knowing the language’s syntax. Regular-expression-based functions can help. Piv txwv, string operators such as split() and preg_split() require the knowledge of Arrays. Hauv PHP, however, they are relatively simple. Regular-expression-based functions, such as get() and put(), make string manipulation a breeze. If you need to perform a regular-expression search, you can use preg_split() to do so.

PHP versions

PHP versions rau programming zwm rau cov npe loj ntawm cov neeg rau zaub mov-sab programming lus muaj nyob hauv Is Taws Nem. Cov npe no suav nrog PHP 5.3, 5.4, 5.6, 7.0, and 7.1. Tag nrho cov versions no muaj kev txhim kho thiab kho rau cov teeb meem dhau los. Nws raug nquahu kom koj hloov kho rau qhov tseeb version thaum twg ua tau. tiam sis, Nws tseem yog ib qho tseem ceeb uas yuav tsum xav txog tias PHP versions dhau los ua qhov tsis muaj kev txhawb nqa tom qab qee lub sijhawm.

Thaum hloov kho tshiab tsis nyuaj li nws lub suab, Nws koom nrog kev ua haujlwm ntxiv. Tej zaum koj yuav tau daws teeb meem, Hloov cov qub plug-ins, Los yog cuam tshuam nrog kev ruaj ntseg optimization. Ideally, Koj yuav tsum sim txhua yam kev hloov uas koj ua nyob rau hauv ib puag ncig tsis muaj kev nyab xeeb offline ua ntej. b, Koj tuaj yeem nrhiav txhua yam teeb meem ua ntej lawv cuam tshuam rau koj lub vev xaib nyob. Yog tias koj ntsib teeb meem thaum kuaj cov kev hloov pauv, koj tuaj yeem tig mus rau PHP zej zog rau kev txhawb nqa lossis kev pab.

PHP yog chiv thawj tsim nyob rau hauv 1994. Thawj version tau tso tawm raws li ib tug txheej ntawm Perl scripts thiab yog npaj los saib xyuas lub website tsheb. In 1996, Rasmus Lerdorf hloov mus rau C thiab ntxiv tshiab kev xaiv. Tus kheej Home page Tools (PHP) project twb launched. In 1997, ib tug formal tsim pab neeg tau tsim los kho cov inconsistencies ntawm PHP version ib. Los ntawm lub sij hawm ntawd, PHP tau loj hlob mus rau ib qho kev pab cuam loj rau kev txhim kho lub vev xaib.

PHP-GTK

Thaum sau ntawv thov nrog cov lus PHP-GTK, koj yuav tsum paub txog nws lub tswv yim yooj yim ntawm cov tsev neeg hauv chav kawm. Hauv tsev neeg Gdk, piv txwv li, koj yuav siv cov chav kawm uas sawv cev rau cov qhov rais thiab cov xim qis. Gtk tsev neeg yog qhov nyuaj dua thiab muaj cov chav kawm uas yog qib siab dua thiab tej zaum yuav muaj lwm chav kawm, suav nrog cov uas koj tsis siv. Hauv zaj no peb yuav kawm txog dabtsi hauv zaj no, Peb mam li piav qhia seb cov tsev neeg hauv chav kawm ua haujlwm li cas thiab vim li cas koj thiaj li siv lawv.

Ib daim ntawv thov PHP-GTK tuaj yeem ua txhua yam, los ntawm cov ntsiab lus tswj cov kab ke thiab cov ntaub ntawv browsers mus rau IRC cov neeg siv khoom thiab cov saib xyuas network. Txawm tias cov ntawv nyeem kho tuaj yeem ua tau siv cov lus no. Nws txawm tias muaj peev xwm siv nws rau cov phiaj xwm qhib qhov chaw. Ib daim ntawv thov yuav yog ib qho kev tshaj tawm xov xwm pub uas rub cov hnub tseem ceeb los ntawm lub hauv paus neeg rau zaub mov. Lwm daim ntawv thov yuav cuam tshuam nrog lub hauv paus database lossis daim ntawv qhia. Koj tseem tuaj yeem siv PHP-GTK rau kev txheeb cais.

PHP-GTK yog qhov kev xaiv zoo rau cov ntawv thov web txhua hnub. Nws tseem zoo rau cov tes hauj lwm thiab muab kev cuam tshuam rau Java and.NET. Nws tseem tuaj yeem siv rau cov neeg siv khoom yooj yim-sab daim ntawv thov standalone. Koj tuaj yeem txawm sau cov kev pab cuam uas khiav ntawm Macs, yog li nws yog qhov kev xaiv zoo heev rau kev txhim kho lub vev xaib. If you’re not sure whether PHP-GTK is right for your project, start by reading these basic tips.

PHP-Interpreter

If you are new to the PHP language, the first thing that you need to learn is how to use the PHP-interpreter. This program runs on your computer and interprets the PHP codes. PHP is an interpreted language, so the interpreter will check the data you have requested into a database and return it in the form of an HTML webpage. This file will then be sent to your web server, where it will be served to your browser. You can view a PHP program on your computer by going to localhost/foldername and typing it into your browser.

The PHP interpreter is like a lazy coworker. Nws tsuas yog ua haujlwm thaum cov ntaub ntawv hauv hom ntawv PHP tau thov, yog li thaum koj mus ntsib lub vev xaib, tus neeg txhais lus yuav ua cov ntawv PHP thiab sau lub sijhawm thiab hnub tim rau cov ntaub ntawv HTML. Thaum cov ntaub ntawv xa mus rau lub web server, qhov browser yuav tso saib nws. Nws tuaj yeem txawm ua haujlwm nrog lwm cov lus sau xws li Perl, Python, lossis Ruby.

PHP scripts

PHP scripts programming tuaj yeem siv rau txhua lub hom phiaj, suav nrog kev txhim kho lub vev xaib, cov ntawv sau ua, thiab kev txhim kho kev ua si. Cov ntawv no tuaj yeem ua haujlwm yam tsis muaj kev siv ntawm tus neeg rau zaub mov lossis browser, thiab xav tau tsuas yog PHP parser los ua haujlwm. PHP scripts yog qhov tsim nyog tshaj plaws rau cov haujlwm rov ua dua xws li email thiab kev tsim kho lub vev xaib, thiab yooj yim nyeem yog tias lawv tsuas muaj ob peb qhov ntsuas.

Ib tsab ntawv PHP yog PHP tsab ntawv uas siv cov kev sib cuam tshuam thiab cov ntsiab lus dynamic. Thaum siv, PHP scripts yog khaws cia rau hauv ib qho tshwj xeeb directory. Cov ntawv teev npe no tom qab ntawd siv los tso saib cov ntawv PHP ntawm lub vev xaib. Ntxiv rau kev txhim kho lub vev xaib, PHP script programming tso cai rau cov thawj tswj hwm web los muab ntau yam kev ua haujlwm ntxiv.

PHP tsab ntawv ib puag ncig pib nrog php cim npe. Cov kab tom ntej muaj cov lus txib echo thiab Nyob Zoo Ntiaj Teb! los tsim HTML cov zis. Txoj hlua nws tus kheej yog qhov ntev hloov pauv thiab suav hais tias yog cov ntaub ntawv ywj pheej. Vim tias nws lub platform ywj pheej, ib tsab ntawv PHP tuaj yeem ua tiav heev – txawm tias thaum siv ua ke nrog lub database. Yog tias koj xav tsim lub xaib ntau tus phooj ywg, xav txog PHP tsab ntawv programming

PHP scripts tsis muaj HTML

Thaum nws los txog rau cov neeg rau zaub mov-sab scripting ntawm cov vev xaib, PHP yog qhov kev xaiv zoo heev. This scripting language has a wide range of network functions, protocol interfaces, and database access. It is easy to learn and offers a large number of possibilities for use. In addition to web servers, PHP can be used to create desktop applications and cron scripts. Below are some important features of PHP that you must be familiar with.

The first and most important step in using PHP is to learn the basics. This language allows you to create websites with minimal HTML knowledge, and is capable of interfacing with databases. You can use this to your advantage. PHP is the latest version of this language and has many other advantages. tiam sis, you should always remember to follow best practices when working with it. If you have a question, you can always contact me. I’ll be happy to help you!

Yog tias koj tshiab rau PHP programming, Kuv xav kom koj pib nrog qee qhov piv txwv ntawm cov programming yooj yim thiab tom qab ntawd tsim koj txoj kev paub thaum koj txav mus. Ib qho zoo tshaj plaws txog PHP yog tias nws tuaj yeem khiav ntawm txhua lub platform. Tsis tas li ntawd, Nws yog tus phooj ywg zoo kawg nkaus thiab tuaj yeem siv rau txhua lub hom phiaj. Yog tias koj yog tus pib, PHP yog hom lus zoo rau koj. Unlike HTML, PHP tsis yog tsuas yog yooj yim kawm, tab sis nws kuj zoo nkauj saj zawg zog.

PHP scripts nrog HTML

IB TUG PHP tsab ntawv yog ib tug txhais tsab ntawv sau nyob rau hauv lub PHP programming lus. Nws yuav siv tau los tsim web pages. PHP scripts siv variables, uas yog cov hlua los yog cov xov tooj uas txuas sab nraud cov ntaub ntawv mus rau tsab ntawv. Variables yuav sawv cev rau txhua yam los ntawm yooj yim zauv mus rau cov cim, text, los yog txawm tag nrho HTML code. Cov variables feem ntau yog ntawm cov datatype hlua. Thawj hom ntawm tus nqi yog ib txoj hlua, uas yog qhov hloov pauv uas tuaj yeem yog qhov ntev. Nws tsis yog ib feem ntawm lwm cov ntaub ntawv. Piv txwv, txoj hlua “nyob zoo ntiaj teb” suav hais tias yog lub ntsiab lus, uas yog thawj tus nqi txhais los ntawm lub web browser.

Ncua, Cov ntawv PHP muaj ob qho tib si HTML thiab program logic. Qhov feem ntau mus kom ze rau kev sib cais ntawm ob qho yog siv cov ntaub ntawv cais rau txhua tus. Rau cov neeg pib, nws yog ib qho tseem ceeb uas yuav tsum tau teeb tsa ib puag ncig kev txhim kho uas ruaj khov. Tsis txhob ua haujlwm ntawm cov neeg rau zaub mov pej xeem, tab sis teeb tsa lub vev xaib kuaj kom tsis txhob ua teeb meem. Nco ntsoov tias lub web server teeb tsa zoo ib yam li cov txheej txheem ntau lawm. Tsis tas li ntawd, xav txog yuav ua li cas koj yuav pauv cov ntaub ntawv ntawm PHP scripts thiab HTML.