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<h1 class="title">Introduction</h1>
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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>.
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See <a href="https://medium.com/p/9dda7af674cd" class="link external">» this blog post</a>
for benchmarks, discussion and frequently asked questions.
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