function.socket-bind.html
来自「php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容」· HTML 代码 · 共 174 行
HTML
174 行
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Binds a name to a socket</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.socket-accept.html">socket_accept</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.socket-clear-error.html">socket_clear_error</a></div> <div class="up"><a href="ref.sockets.html">Socket Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.socket-bind" class="refentry"> <div class="refnamediv"> <h1 class="refname">socket_bind</h1> <p class="verinfo">(PHP 4 >= 4.0.7, PHP 5)</p><p class="refpurpose"><span class="refname">socket_bind</span> — <span class="dc-title">Binds a name to a socket</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>socket_bind</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$socket</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$address</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$port</tt></span> ] )</div> <p class="para rdfs-comment"> Binds the name given in <i><tt class="parameter">address</tt></i> to the socket described by <i><tt class="parameter">socket</tt></i>. This has to be done before a connection is be established using <a href="function.socket-connect.html" class="function">socket_connect()</a> or <a href="function.socket-listen.html" class="function">socket_listen()</a>. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">socket</tt></i></span> <dd> <p class="para"> A valid socket resource created with <a href="function.socket-create.html" class="function">socket_create()</a>. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">address</tt></i></span> <dd> <p class="para"> If the socket is of the <b><tt>AF_INET</tt></b> family, the <i><tt class="parameter">address</tt></i> is an IP in dotted-quad notation (e.g. <i>127.0.0.1</i>). </p> <p class="para"> If the socket is of the <b><tt>AF_UNIX</tt></b> family, the <i><tt class="parameter">address</tt></i> is the path of a Unix-domain socket (e.g. <var class="filename">/tmp/my.sock</var>). </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">port</tt></i> (Optional)</span> <dd> <p class="para"> The <i><tt class="parameter">port</tt></i> parameter is only used when connecting to an <b><tt>AF_INET</tt></b> socket, and designates the port on the remote host to which a connection should be made. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure. </p> <p class="para"> The error code can be retrieved with <a href="function.socket-last-error.html" class="function">socket_last_error()</a>. This code may be passed to <a href="function.socket-strerror.html" class="function">socket_strerror()</a> to get a textual explanation of the error. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Using <b>socket_bind()</b> to set the source address</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// Create a new socket<br /></span><span style="color: #0000BB">$sock </span><span style="color: #007700">= </span><span style="color: #0000BB">socket_create</span><span style="color: #007700">(</span><span style="color: #0000BB">AF_INET</span><span style="color: #007700">, </span><span style="color: #0000BB">SOCK_STREAM</span><span style="color: #007700">, </span><span style="color: #0000BB">SOL_TCP</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// An example list of IP addresses owned by the computer<br /></span><span style="color: #0000BB">$sourceips</span><span style="color: #007700">[</span><span style="color: #DD0000">'kevin'</span><span style="color: #007700">] = </span><span style="color: #DD0000">'127.0.0.1'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$sourceips</span><span style="color: #007700">[</span><span style="color: #DD0000">'madcoder'</span><span style="color: #007700">] = </span><span style="color: #DD0000">'127.0.0.2'</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// Bind the source address<br /></span><span style="color: #0000BB">socket_bind</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">, </span><span style="color: #0000BB">$sourceips</span><span style="color: #007700">[</span><span style="color: #DD0000">'madcoder'</span><span style="color: #007700">]);<br /><br /></span><span style="color: #FF8000">// Connect to destination address<br /></span><span style="color: #0000BB">socket_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">, </span><span style="color: #DD0000">'127.0.0.1'</span><span style="color: #007700">, </span><span style="color: #0000BB">80</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Write<br /></span><span style="color: #0000BB">$request </span><span style="color: #007700">= </span><span style="color: #DD0000">'GET / HTTP/1.1' </span><span style="color: #007700">. </span><span style="color: #DD0000">"\r\n" </span><span style="color: #007700">.<br /> </span><span style="color: #DD0000">'Host: example.com' </span><span style="color: #007700">. </span><span style="color: #DD0000">"\r\n\r\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">socket_write</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">, </span><span style="color: #0000BB">$request</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Close<br /></span><span style="color: #0000BB">socket_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 notes"> <h3 class="title">Notes</h3> <blockquote><p><b class="note">Note</b>: This function must be used on the socket before <a href="function.socket-connect.html" class="function">socket_connect()</a>. <br /> </p></blockquote> <blockquote><p><b class="note">Note</b>: Windows 9x/ME compatibility note: <a href="function.socket-last-error.html" class="function">socket_last_error()</a> may return an invalid error code if trying to bind the socket to a wrong address that does not belong to your machine. <br /> </p></blockquote> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.socket-connect.html" class="function" rel="rdfs-seeAlso">socket_connect()</a></li> <li class="member"><a href="function.socket-listen.html" class="function" rel="rdfs-seeAlso">socket_listen()</a></li> <li class="member"><a href="function.socket-create.html" class="function" rel="rdfs-seeAlso">socket_create()</a></li> <li class="member"><a href="function.socket-last-error.html" class="function" rel="rdfs-seeAlso">socket_last_error()</a></li> <li class="member"><a href="function.socket-strerror.html" class="function" rel="rdfs-seeAlso">socket_strerror()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.socket-accept.html">socket_accept</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.socket-clear-error.html">socket_clear_error</a></div> <div class="up"><a href="ref.sockets.html">Socket Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?