PHP: Allgemeine Informationen

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<dt>Keyboard Shortcuts</dt><dt>?</dt> <dd>This help</dd> <dt>j</dt> <dd>Next menu item</dd> <dt>k</dt> <dd>Previous menu item</dd> <dt>g p</dt> <dd>Previous man page</dd> <dt>g n</dt> <dd>Next man page</dd> <dt>G</dt> <dd>Scroll to bottom</dd> <dt>g g</dt> <dd>Scroll to top</dd> <dt>g h</dt> <dd>Goto homepage</dd> <dt>g s</dt> <dd>Goto search<br>(current page)</dd> <dt>/</dt> <dd>Focus search box</dd> </dl></div></nav> <div id="goto"> <div class="search"> <div class="text"></div> <div class="results"><ul></ul></div> </div> </div> <div id="breadcrumbs" class="clearfix"> <div id="breadcrumbs-inner"> <div class="next"> <a href="faq.mailinglist.php"> Mailing-Listen » </a> </div> <div class="prev"> <a href="faq.php"> « FAQ </a> </div> <ul> <li><a href='index.php'>PHP-Handbuch</a></li> <li><a href='faq.php'>FAQ</a></li> </ul> </div> </div> <div id="layout" class="clearfix"> <section id="layout-content"> <div class="page-tools"> <div class="change-language"> <form action="/manual/change.php" method="get" id="changelang" name="changelang"> <fieldset> <label for="changelang-langs">Change language:</label> <select onchange="document.changelang.submit()" name="page" id="changelang-langs"> <option value='en/faq.general.php'>English</option> <option value='de/faq.general.php' selected="selected">German</option> <option value='es/faq.general.php'>Spanish</option> <option value='fr/faq.general.php'>French</option> <option value='it/faq.general.php'>Italian</option> <option value='ja/faq.general.php'>Japanese</option> <option value='pt_BR/faq.general.php'>Brazilian Portuguese</option> <option value='ru/faq.general.php'>Russian</option> <option value='tr/faq.general.php'>Turkish</option> <option value='uk/faq.general.php'>Ukrainian</option> <option value='zh/faq.general.php'>Chinese (Simplified)</option> <option value='help-translate.php'>Other</option> </select> </fieldset> </form> </div> </div><div id="faq.general" class="chapter"> <h1 class="title">Allgemeine Informationen</h1> <p class="para"> Dieses Kapitel beinhaltet allgemeine Fragen zu PHP: Was es ist und was es tut. </p> <div class="qandaset"><ol class="qandaset_questions"><li><a href="#faq.general.what"> Was ist PHP? </a></li><li><a href="#faq.general.acronym"> Für was steht PHP? </a></li><li><a href="#faq.general.relation-versions"> Wie stehen die verschiedenen PHP-Versionen zueinander? </a></li><li><a href="#faq.general.running-concurent"> Kann ich mehrere verschiedene PHP-Versionen zur selben Zeit laufen lassen? </a></li><li><a href="#faq.general.bug"> Ich glaube, ich habe einen Bug gefunden! </a></li></ol></div> <dl class="qandaentry" id="faq.general.what"> <dt><strong> Was ist PHP? </strong></dt> <dd class="answer"> <p class="para"> Aus dem <a href="preface.php" class="link">Vorwort des Handbuches</a>: </p> <p class="para"> PHP ist die Abkürzung für "PHP: Hypertext Preprocessor", eine weitverbreitete Open Source Skriptsprache speziell für Webentwicklungen. PHP läßt sich in HTML einbinden. Seine Syntax erinnert an C, Java und Perl und es ist einfach zu erlernen. Das Hauptziel dieser Sprache ist es, Webentwicklern die Möglichkeit zu geben, schnell dynamisch generierte Webseiten zu erzeugen. </p> </dd> </dl> <dl class="qandaentry" id="faq.general.acronym"> <dt><strong> Für was steht PHP? </strong></dt> <dd class="answer"> <p class="para"> PHP steht für <em>PHP: Hypertext Preprocessor</em>. Das verwirrt einige Menschen, da das erste Wort der Abkürzung die Abkürzung ist. Dieser Typ von Abkürzung wird rekursive Abkürzung genannt. Wer sich weiter für das Thema der rekursiven Abkürzungen interessiert, findet im <a href="http://foldoc.org/" class="link external">» Free On-Line Dictionary of Computing</a> oder der <a href="http://en.wikipedia.org/wiki/Recursive_acronym" class="link external">» Wikipedia</a>. weitere Informationen dazu. </p> </dd> </dl> <dl class="qandaentry" id="faq.general.relation-versions"> <dt><strong> Wie stehen die verschiedenen PHP-Versionen zueinander? </strong></dt> <dd class="answer"> <p class="para"> PHP/FI 2.0 ist eine frühe und nicht mehr unterstützte Version von PHP. PHP 3 ist der Nachfolger von PHP/FI 2.0 und wesentlich besser. PHP 8 ist die aktuelle Generation von PHP, die die Zend Engine 4 als Sprachkern, die neben weiteren Verbesserungen eine deutlich verbesserte <a href="language.oop5.php" class="link">Objektorientierung</a> bietet. </p> </dd> </dl> <dl class="qandaentry" id="faq.general.running-concurent"> <dt><strong> Kann ich mehrere verschiedene PHP-Versionen zur selben Zeit laufen lassen? </strong></dt> <dd class="answer"> <p class="para"> Ja. Weitere Informationen dazu finden sich in der Datei <var class="filename">INSTALL</var>, die der Source-Distribution von PHP beiliegt. </p> </dd> </dl> <dl class="qandaentry" id="faq.general.bug"> <dt><strong> Ich glaube, ich habe einen Bug gefunden! </strong></dt> <dd class="answer"> <p class="para"> Sie sollten die PHP Bug-Datenbank aufrufen und herausfinden, ob es sich bei dem Bug um einen bereits bekannten Bug handelt. Ist der Bug noch nicht bekannt, können Sie diesen über das Reportformular posten. Wenn Sie das Reportformular verwenden, bekommt ihr Bug automatisch eine Nummer zugewiesen, so das Sie später wiederkehren und Anhand der Nummer herausfinden können, ob der Bug gefixed wurde. Die Bug-Datenbank ist unter <a href="https://github.com/php/php-src/issues" class="link external">» https://github.com/php/php-src/issues</a> zu finden. </p> </dd> </dl> </div> <div class="contribute"> <h3 class="title">Found A Problem?</h3> <div> </div> <div class="edit-bug"> <a href="https://github.com/php/doc-base/blob/master/README.md" title="This will take you to our contribution guidelines on GitHub" target="_blank" rel="noopener noreferrer">Learn How To Improve This Page</a> • <a href="https://github.com/php/doc-de/blob/master/faq/general.xml">Submit a Pull Request</a> • <a href="https://github.com/php/doc-de/issues/new?body=From%20manual%20page:%20https:%2F%2Fphp.net%2Ffaq.general%0A%0A---">Report a Bug</a> </div> </div><section id="usernotes"> <div class="head"> <span class="action"><a href="/manual/add-note.php?sect=faq.general&repo=de&redirect=https://www.php.net/manual/de/faq.general.php">＋<small>add a note</small></a></span> <h3 class="title">User Contributed Notes </h3> </div> <div class="note">There are no user contributed notes for this page.</div></section> </section> <aside class='layout-menu'> <ul class='parent-menu-list'> <li> <a href="faq.php">FAQ</a> <ul class='child-menu-list'> <li class="current"> <a href="faq.general.php" title="Allgemeine Informationen">Allgemeine Informationen</a> </li> <li class=""> <a href="faq.mailinglist.php" title="Mailing-Listen">Mailing-Listen</a> </li> <li class=""> <a href="faq.obtaining.php" title="PHP beziehen">PHP beziehen</a> </li> <li class=""> <a href="faq.databases.php" title="PHP und Datenbanken">PHP und Datenbanken</a> </li> <li class=""> <a href="faq.installation.php" title="Installation">Installation</a> </li> <li class=""> <a href="faq.build.php" title="Probleme bei der Kompilierung">Probleme bei der Kompilierung</a> </li> <li class=""> <a href="faq.using.php" title="PHP verwenden">PHP verwenden</a> </li> <li class=""> <a href="faq.passwords.php" title="Password-Hashing">Password-Hashing</a> </li> <li class=""> <a href="faq.html.php" title="PHP und HTML">PHP und HTML</a> </li> <li class=""> <a href="faq.com.php" title="PHP und COM">PHP und COM</a> </li> <li class=""> <a href="faq.misc.php" title="Verschiedene Fragen">Verschiedene Fragen</a> </li> </ul> </li> </ul> </aside> </div> <footer> <div class="container footer-content"> <div class="row-fluid"> <ul class="footmenu"> <li><a href="/manual/de/copyright.php">Copyright © 2001-2025 The PHP Documentation Group</a></li> <li><a href="/my.php">My PHP.net</a></li> <li><a href="/contact.php">Contact</a></li> <li><a href="/sites.php">Other PHP.net sites</a></li> <li><a href="/privacy.php">Privacy policy</a></li> </ul> </div> </div> </footer> <script src="/cached.php?t=1731172202&f=/js/ext/jquery-3.6.0.min.js"></script> <script src="/cached.php?t=1723177202&f=/js/ext/FuzzySearch.min.js"></script> <script src="/cached.php?t=1707321815&f=/js/ext/mousetrap.min.js"></script> <script src="/cached.php?t=1707321815&f=/js/ext/jquery.scrollTo.min.js"></script> <script src="/cached.php?t=1738028401&f=/js/search.js"></script> <script src="/cached.php?t=1738742401&f=/js/common.js"></script> <script type="module" src="/cached.php?t=1738318202&f=/js/interactive-examples.js"></script> <a id="toTop" href="javascript:;"><span id="toTopHover"></span><img width="40" height="40" alt="To Top" src="/images/to-top@2x.png"></a> <div id="search-modal__backdrop" class="search-modal__backdrop"> <div role="dialog" aria-label="Search modal" id="search-modal" class="search-modal" > <div class="search-modal__header"> <div class="search-modal__form"> <div class="search-modal__input-icon">  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" width="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" > <circle cx="11" cy="11" r="8"></circle> <line x1="21" y1="21" x2="16.65" y2="16.65"></line> </svg> </div> <input type="search" id="search-modal__input" class="search-modal__input" placeholder="Search docs" aria-label="Search docs" /> </div> <button aria-label="Close" class="search-modal__close">  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" width="24" viewBox="0 0 24 24" > <path d="M19,6.41L17.59,5L12,10.59L6.41,5L5,6.41L10.59,12L5,17.59L6.41,19L12,13.41L17.59,19L19,17.59L13.41,12L19,6.41Z"/> </svg> </button> </div> <div role="listbox" aria-label="Search results" id="search-modal__results" class="search-modal__results" ></div> <div class="search-modal__helper-text"> <div> <kbd>↑</kbd> and <kbd>↓</kbd> to navigate • <kbd>Enter</kbd> to select • <kbd>Esc</kbd> to close </div> <div> Press <kbd>Enter</kbd> without selection to search using Google </div> </div> </div> </div> </body> </html>

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