<!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>Read file stream asynchronously</title>
</head>
<body><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="function.swoole-async-dns-lookup.html">swoole_async_dns_lookup</a></div>
<div class="next" style="text-align: right; float: right;"><a href="function.swoole-async-readfile.html">swoole_async_readfile</a></div>
<div class="up"><a href="ref.swoole-funcs.html">Swoole Functions</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="function.swoole-async-read" class="refentry">
<div class="refnamediv">
<h1 class="refname">swoole_async_read</h1>
<p class="verinfo">(PHP 5 >= 5.2.0, PHP 7, PECL swoole >= 1.9.0)</p><p class="refpurpose"><span class="refname">swoole_async_read</span> — <span class="dc-title">Read file stream asynchronously</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.swoole-async-read-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">bool</span> <span class="methodname"><strong>swoole_async_read</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$filename</code></span>
, <span class="methodparam"><span class="type"><a href="language.types.callable.html" class="type callable">callable</a></span> <code class="parameter">$callback</code></span>
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$chunk_size</code><span class="initializer"> = 65536</span></span>
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$offset</code><span class="initializer"> = 0</span></span>
]] )</div>
<p class="para rdfs-comment">
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.swoole-async-read-parameters">
<h3 class="title">Parameters</h3>
<dl>
<dt>
<code class="parameter">filename</code></dt>
<dd>
<p class="para">
The filename of the file being read.
</p>
</dd>
<dt>
<code class="parameter">callback</code></dt>
<dd>
<div class="methodsynopsis dc-description">
<span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><span class="replaceable">callback</span></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$filename</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$content</code></span>
)</div>
<dl>
<dt>
<code class="parameter">filename</code></dt>
<dd>
<p class="para">
The name of the file.
</p>
</dd>
<dt>
<code class="parameter">content</code></dt>
<dd>
<p class="para">
The content readed from the file stream.
</p>
</dd>
</dl>
</dd>
<dt>
<code class="parameter">chunk_size</code></dt>
<dd>
<p class="para">
The chunk length.
</p>
</dd>
<dt>
<code class="parameter">offset</code></dt>
<dd>
<p class="para">
The offset.
</p>
</dd>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.swoole-async-read-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Whether the read is succeed.
</p>
</div>
</div><hr /><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="function.swoole-async-dns-lookup.html">swoole_async_dns_lookup</a></div>
<div class="next" style="text-align: right; float: right;"><a href="function.swoole-async-readfile.html">swoole_async_readfile</a></div>
<div class="up"><a href="ref.swoole-funcs.html">Swoole Functions</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
