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Derek Jonesfd93d222008-05-06 15:18:50 +0000[diff] [blame]6<title>FTP Class : CodeIgniter User Guide</title>
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Derek Jones1ca3fc42008-06-27 00:19:33 +0000[diff] [blame]31<td><h1>CodeIgniter User Guide Version 1.6.3</h1></td>
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45FTP Class
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56<div id="content">
57
58
59<h1>FTP Class</h1>
60
Derek Allardd2df9bc2007-04-15 17:41:17 +0000[diff] [blame]61<p>CodeIgniter's FTP Class permits files to be transfered to a remote server. Remote files can also be moved, renamed,
Rick Ellis325197e2006-11-20 17:29:05 +0000[diff] [blame]62and deleted. The FTP class also includes a "mirroring" function that permits an entire local directory to be recreated remotely via FTP.</p>
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]63
64<p class="important"><strong>Note:</strong>&nbsp; SFTP and SSL FTP protocols are not supported, only standard FTP.</p>
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]65
66<h2>Initializing the Class</h2>
67
Derek Allardd2df9bc2007-04-15 17:41:17 +0000[diff] [blame]68<p>Like most other classes in CodeIgniter, the FTP class is initialized in your controller using the <dfn>$this->load->library</dfn> function:</p>
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]69
70<code>$this->load->library('ftp');</code>
71<p>Once loaded, the FTP object will be available using: <dfn>$this->ftp</dfn></p>
72
73
74<h2>Usage Examples</h2>
75
76<p>In this example a connection is opened to the FTP server, and a local file is read and uploaded in ASCII mode. The
77file permissions are set to 755. Note: Setting permissions requires PHP 5.</p>
78
79<code>
80$this->load->library('ftp');<br />
81<br />
Derek Jonesff845f92008-06-26 17:05:55 +0000[diff] [blame]82$config['hostname'] = 'ftp.example.com';<br />
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]83$config['username'] = 'your-username';<br />
84$config['password'] = 'your-password';<br />
85$config['debug'] = TRUE;<br />
86<br />
87$this->ftp->connect($config);<br />
88<br />
89$this->ftp->upload('/local/path/to/myfile.html', '/public_html/myfile.html', 'ascii', 0775);<br />
90<br />
91$this->ftp->close();
92
93</code>
94
95
96<p>In this example a list of files is retrieved from the server.</p>
97
98<code>
99$this->load->library('ftp');<br />
100<br />
Derek Jonesff845f92008-06-26 17:05:55 +0000[diff] [blame]101$config['hostname'] = 'ftp.example.com';<br />
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]102$config['username'] = 'your-username';<br />
103$config['password'] = 'your-password';<br />
104$config['debug'] = TRUE;<br />
105<br />
106$this->ftp->connect($config);<br />
107<br />
108$list = $this->ftp->list_files('/public_html/');<br />
109<br />
110print_r($list);<br />
111<br />
112$this->ftp->close();
113</code>
114
115<p>In this example a local directory is mirrored on the server.</p>
116
117
118<code>
119$this->load->library('ftp');<br />
120<br />
Derek Jonesff845f92008-06-26 17:05:55 +0000[diff] [blame]121$config['hostname'] = 'ftp.example.com';<br />
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]122$config['username'] = 'your-username';<br />
123$config['password'] = 'your-password';<br />
124$config['debug'] = TRUE;<br />
125<br />
126$this->ftp->connect($config);<br />
127<br />
128$this->ftp->mirror('/path/to/myfolder/', '/public_html/myfolder/');<br />
129<br />
130$this->ftp->close();
131</code>
132
133
134<h1>Function Reference</h1>
135
136<h2>$this->ftp->connect()</h2>
137
138<p>Connects and logs into to the FTP server. Connection preferences are set by passing an array
139to the function, or you can store them in a config file.</p>
140
141
142<p>Here is an example showing how you set preferences manually:</p>
143
144<code>
145$this->load->library('ftp');<br />
146<br />
Derek Jonesff845f92008-06-26 17:05:55 +0000[diff] [blame]147$config['hostname'] = 'ftp.example.com';<br />
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]148$config['username'] = 'your-username';<br />
149$config['password'] = 'your-password';<br />
150$config['port']&nbsp;&nbsp;&nbsp;&nbsp; = 21;<br />
151$config['passive']&nbsp;&nbsp;= FALSE;<br />
152$config['debug']&nbsp;&nbsp;&nbsp;&nbsp;= TRUE;<br />
153<br />
154$this->ftp->connect($config);<br />
155</code>
156
157<h3>Setting FTP Preferences in a Config File</h3>
158
159<p>If you prefer you can store your FTP preferences in a config file.
160Simply create a new file called the <var>ftp.php</var>, add the <var>$config</var>
161array in that file. Then save the file at <var>config/ftp.php</var> and it will be used automatically.</p>
162
163<h3>Available connection options:</h3>
164
165
166<ul>
Derek Allard8788d4b2007-08-08 17:04:40 +0000[diff] [blame]167<li><strong>hostname</strong> - the FTP hostname. Usually something like:&nbsp; <dfn>ftp.example.com</dfn></li>
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]168<li><strong>username</strong> - the FTP username.</li>
169<li><strong>password</strong> - the FTP password.</li>
170<li><strong>port</strong> - The port number. Set to <dfn>21</dfn> by default.</li>
171<li><strong>debug</strong> - <kbd>TRUE/FALSE</kbd> (boolean). Whether to enable debugging to display error messages.</li>
172<li><strong>passive</strong> - <kbd>TRUE/FALSE</kbd> (boolean). Whether to use passive mode. Passive is set automatically by default.</li>
173</ul>
174
175
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]176
177<h2>$this->ftp->upload()</h2>
178
admin631f17b2006-10-27 07:41:28 +0000[diff] [blame]179<p>Uploads a file to your server. You must supply the local path and the remote path, and you can optionally set the mode and permissions.
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]180Example:</p>
181
182
183<code>$this->ftp->upload('/local/path/to/myfile.html', '/public_html/myfile.html', 'ascii', 0775);</code>
184
185<p><strong>Mode options are:</strong>&nbsp; <kbd>ascii</kbd>, <kbd>binary</kbd>, and <kbd>auto</kbd> (the default). If
186<kbd>auto</kbd> is used it will base the mode on the file extension of the source file.</p>
187
188<p>Permissions are available if you are running PHP 5 and can be passed as an <kbd>octal</kbd> value in the fourth parameter.</p>
189
190
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]191<h2>$this->ftp->rename()</h2>
192<p>Permits you to rename a file. Supply the source file name/path and the new file name/path.</p>
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]193
194<code>
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]195// Renames green.html to blue.html<br />
196$this->ftp->rename('/public_html/foo/green.html', '/public_html/foo/blue.html');
197</code>
198
199<h2>$this->ftp->move()</h2>
200<p>Lets you move a file. Supply the source and destination paths:</p>
201
202<code>
203// Moves blog.html from "joe" to "fred"<br />
204$this->ftp->move('/public_html/joe/blog.html', '/public_html/fred/blog.html');
205</code>
206
207<p>Note: if the destination file name is different the file will be renamed.</p>
208
209
210<h2>$this->ftp->delete_file()</h2>
211<p>Lets you delete a file. Supply the source path with the file name.</p>
212
213<code>
214$this->ftp->delete_file('/public_html/joe/blog.html');
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]215</code>
216
217
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]218<h2>$this->ftp->delete_dir()</h2>
219<p>Lets you delete a directory and everything it contains. Supply the source path to the directory with a trailing slash.</p>
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]220
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]221<p class="important"><strong>Important</strong>&nbsp; Be VERY careful with this function. It will recursively delete
222<b>everything</b> within the supplied path, including sub-folders and all files. Make absolutely sure your path is correct.
223Try using the <kbd>list_files()</kbd> function first to verify that your path is correct.</p>
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]224
225<code>
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]226$this->ftp->delete_dir('/public_html/path/to/folder/');
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]227</code>
228
229
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]230
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]231<h2>$this->ftp->list_files()</h2>
232<p>Permits you to retrieve a list of files on your server returned as an <dfn>array</dfn>. You must supply
233the path to the desired directory.</p>
234
235<code>
236$list = $this->ftp->list_files('/public_html/');<br />
237<br />
238print_r($list);
239</code>
240
241
242<h2>$this->ftp->mirror()</h2>
243
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]244<p>Recursively reads a local folder and everything it contains (including sub-folders) and creates a
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]245mirror via FTP based on it. Whatever the directory structure of the original file path will be recreated on the server.
246You must supply a source path and a destination path:</p>
247
248<code>
249$this->ftp->mirror('/path/to/myfolder/', '/public_html/myfolder/');
250</code>
251
252
253
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]254<h2>$this->ftp->mkdir()</h2>
255
256<p>Lets you create a directory on your server. Supply the path ending in the folder name you wish to create, with a trailing slash.
257Permissions can be set by passed an <kbd>octal</kbd> value in the second parameter (if you are running PHP 5).</p>
258
259<code>
260// Creates a folder named "bar"<br />
Derek Jones3ad8efe2008-04-04 18:56:04 +0000[diff] [blame]261$this->ftp->mkdir('/public_html/foo/bar/', DIR_WRITE_MODE);
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]262</code>
263
264
265<h2>$this->ftp->chmod()</h2>
266
267<p>Permits you to set file permissions. Supply the path to the file or folder you wish to alter permissions on:</p>
268
269<code>
270// Chmod "bar" to 777<br />
Derek Jones3ad8efe2008-04-04 18:56:04 +0000[diff] [blame]271$this->ftp->chmod('/public_html/foo/bar/', DIR_WRITE_MODE);
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]272</code>
273
274
275
276
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]277<h2>$this->ftp->close();</h2>
278<p>Closes the connection to your server. It's recommended that you use this when you are finished uploading.</p>
279
280
admin62489d52006-10-27 06:25:51 +0000[diff] [blame]281
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Derek Allard2749c802007-03-29 21:09:04 +0000[diff] [blame]293Previous Topic:&nbsp;&nbsp;<a href="file_uploading.html">File Uploading Class</a>
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Derek Allardc6441282007-07-04 23:54:32 +0000[diff] [blame]298</p>
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