function.ftp-connect.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Opens an FTP connection</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.ftp-close.html">ftp_close</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ftp-delete.html">ftp_delete</a></div> <div class="up"><a href="ref.ftp.html">FTP Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.ftp-connect" class="refentry"> <div class="refnamediv"> <h1 class="refname">ftp_connect</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">ftp_connect</span> — <span class="dc-title">Opens an FTP connection</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">resource</span> <span class="methodname"><b><b>ftp_connect</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$host</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$port</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$timeout</tt></span> ]] )</div> <p class="para rdfs-comment"> <b>ftp_connect()</b> opens an FTP connection to the specified <i><tt class="parameter">host</tt></i>. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">host</tt></i></span> <dd> <p class="para"> The FTP server address. This parameter shouldn't have any trailing slashes and shouldn't be prefixed with <i>ftp://</i>. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">port</tt></i></span> <dd> <p class="para"> This parameter specifies an alternate port to connect to. If it is omitted or set to zero, then the default FTP port, 21, will be used. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">timeout</tt></i></span> <dd> <p class="para"> This parameter specifies the timeout for all subsequent network operations. If omitted, the default value is 90 seconds. The timeout can be changed and queried at any time with <a href="function.ftp-set-option.html" class="function">ftp_set_option()</a> and <a href="function.ftp-get-option.html" class="function">ftp_get_option()</a>. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns a FTP stream on success or <b><tt>FALSE</tt></b> on error. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>ftp_connect()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br />$ftp_server </span><span style="color: #007700">= </span><span style="color: #DD0000">"ftp.example.com"</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// set up a connection or die<br /></span><span style="color: #0000BB">$conn_id </span><span style="color: #007700">= </span><span style="color: #0000BB">ftp_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$ftp_server</span><span style="color: #007700">) or die(</span><span style="color: #DD0000">"Couldn't connect to $ftp_server"</span><span style="color: #007700">); <br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 changelog"> <h3 class="title">ChangeLog</h3> <p class="para"> <table class="informaltable"> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Version</th> <th colspan="1">Description</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">4.2.0</td> <td colspan="1" rowspan="1" align="left"> <i><tt class="parameter">timeout</tt></i> was added. </td> </tr> </tbody> </colgroup> </table> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.ftp-close.html" class="function" rel="rdfs-seeAlso">ftp_close()</a></li> <li class="member"><a href="function.ftp-ssl-connect.html" class="function" rel="rdfs-seeAlso">ftp_ssl_connect()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.ftp-close.html">ftp_close</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ftp-delete.html">ftp_delete</a></div> <div class="up"><a href="ref.ftp.html">FTP Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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