<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Introduction</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="book.ds.html">Data Structures</a></div> <div class="next" style="text-align: right; float: right;"><a href="ds.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.ds.html">Data Structures</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="intro.ds" class="preface"> <h1 class="title">Introduction</h1> <p class="para"> Efficient data structures for PHP 7, provided as an alternative to the <span class="type"><a href="language.types.array.html" class="type array">array</a></span>. </p> <p class="para"> See <a href="https://medium.com/p/9dda7af674cd" class="link external">» this blog post</a> for benchmarks, discussion and frequently asked questions. </p> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="book.ds.html">Data Structures</a></div> <div class="next" style="text-align: right; float: right;"><a href="ds.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.ds.html">Data Structures</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>