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Derek Allard404e35d2007-08-07 01:00:45 +0000[diff] [blame^]5<title>CodeIgniter User Guide : FTP Class</title>
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Derek Allard60ca9b72007-07-12 19:53:27 +0000[diff] [blame]36<td><h1>CodeIgniter User Guide Version 1.5.4</h1></td>
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50FTP Class
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62
63
64<h1>FTP Class</h1>
65
Derek Allardd2df9bc2007-04-15 17:41:17 +0000[diff] [blame]66<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]67and 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]68
69<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]70
71<h2>Initializing the Class</h2>
72
Derek Allardd2df9bc2007-04-15 17:41:17 +0000[diff] [blame]73<p>Like most other classes in CodeIgniter, the FTP class is initialized in your controller using the <dfn>$this->load->library</dfn> function:</p>
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]74
75<code>$this->load->library('ftp');</code>
76<p>Once loaded, the FTP object will be available using: <dfn>$this->ftp</dfn></p>
77
78
79<h2>Usage Examples</h2>
80
81<p>In this example a connection is opened to the FTP server, and a local file is read and uploaded in ASCII mode. The
82file permissions are set to 755. Note: Setting permissions requires PHP 5.</p>
83
84<code>
85$this->load->library('ftp');<br />
86<br />
87$config['hostname'] = 'ftp.your-site.com';<br />
88$config['username'] = 'your-username';<br />
89$config['password'] = 'your-password';<br />
90$config['debug'] = TRUE;<br />
91<br />
92$this->ftp->connect($config);<br />
93<br />
94$this->ftp->upload('/local/path/to/myfile.html', '/public_html/myfile.html', 'ascii', 0775);<br />
95<br />
96$this->ftp->close();
97
98</code>
99
100
101<p>In this example a list of files is retrieved from the server.</p>
102
103<code>
104$this->load->library('ftp');<br />
105<br />
106$config['hostname'] = 'ftp.your-site.com';<br />
107$config['username'] = 'your-username';<br />
108$config['password'] = 'your-password';<br />
109$config['debug'] = TRUE;<br />
110<br />
111$this->ftp->connect($config);<br />
112<br />
113$list = $this->ftp->list_files('/public_html/');<br />
114<br />
115print_r($list);<br />
116<br />
117$this->ftp->close();
118</code>
119
120<p>In this example a local directory is mirrored on the server.</p>
121
122
123<code>
124$this->load->library('ftp');<br />
125<br />
126$config['hostname'] = 'ftp.your-site.com';<br />
127$config['username'] = 'your-username';<br />
128$config['password'] = 'your-password';<br />
129$config['debug'] = TRUE;<br />
130<br />
131$this->ftp->connect($config);<br />
132<br />
133$this->ftp->mirror('/path/to/myfolder/', '/public_html/myfolder/');<br />
134<br />
135$this->ftp->close();
136</code>
137
138
139<h1>Function Reference</h1>
140
141<h2>$this->ftp->connect()</h2>
142
143<p>Connects and logs into to the FTP server. Connection preferences are set by passing an array
144to the function, or you can store them in a config file.</p>
145
146
147<p>Here is an example showing how you set preferences manually:</p>
148
149<code>
150$this->load->library('ftp');<br />
151<br />
152$config['hostname'] = 'ftp.your-site.com';<br />
153$config['username'] = 'your-username';<br />
154$config['password'] = 'your-password';<br />
155$config['port']&nbsp;&nbsp;&nbsp;&nbsp; = 21;<br />
156$config['passive']&nbsp;&nbsp;= FALSE;<br />
157$config['debug']&nbsp;&nbsp;&nbsp;&nbsp;= TRUE;<br />
158<br />
159$this->ftp->connect($config);<br />
160</code>
161
162<h3>Setting FTP Preferences in a Config File</h3>
163
164<p>If you prefer you can store your FTP preferences in a config file.
165Simply create a new file called the <var>ftp.php</var>, add the <var>$config</var>
166array in that file. Then save the file at <var>config/ftp.php</var> and it will be used automatically.</p>
167
168<h3>Available connection options:</h3>
169
170
171<ul>
172<li><strong>hostname</strong> - the FTP hostname. Usually something like:&nbsp; <dfn>ftp.some-site.com</dfn></li>
173<li><strong>username</strong> - the FTP username.</li>
174<li><strong>password</strong> - the FTP password.</li>
175<li><strong>port</strong> - The port number. Set to <dfn>21</dfn> by default.</li>
176<li><strong>debug</strong> - <kbd>TRUE/FALSE</kbd> (boolean). Whether to enable debugging to display error messages.</li>
177<li><strong>passive</strong> - <kbd>TRUE/FALSE</kbd> (boolean). Whether to use passive mode. Passive is set automatically by default.</li>
178</ul>
179
180
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]181
182<h2>$this->ftp->upload()</h2>
183
admin631f17b2006-10-27 07:41:28 +0000[diff] [blame]184<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]185Example:</p>
186
187
188<code>$this->ftp->upload('/local/path/to/myfile.html', '/public_html/myfile.html', 'ascii', 0775);</code>
189
190<p><strong>Mode options are:</strong>&nbsp; <kbd>ascii</kbd>, <kbd>binary</kbd>, and <kbd>auto</kbd> (the default). If
191<kbd>auto</kbd> is used it will base the mode on the file extension of the source file.</p>
192
193<p>Permissions are available if you are running PHP 5 and can be passed as an <kbd>octal</kbd> value in the fourth parameter.</p>
194
195
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]196<h2>$this->ftp->rename()</h2>
197<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]198
199<code>
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]200// Renames green.html to blue.html<br />
201$this->ftp->rename('/public_html/foo/green.html', '/public_html/foo/blue.html');
202</code>
203
204<h2>$this->ftp->move()</h2>
205<p>Lets you move a file. Supply the source and destination paths:</p>
206
207<code>
208// Moves blog.html from "joe" to "fred"<br />
209$this->ftp->move('/public_html/joe/blog.html', '/public_html/fred/blog.html');
210</code>
211
212<p>Note: if the destination file name is different the file will be renamed.</p>
213
214
215<h2>$this->ftp->delete_file()</h2>
216<p>Lets you delete a file. Supply the source path with the file name.</p>
217
218<code>
219$this->ftp->delete_file('/public_html/joe/blog.html');
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]220</code>
221
222
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]223<h2>$this->ftp->delete_dir()</h2>
224<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]225
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]226<p class="important"><strong>Important</strong>&nbsp; Be VERY careful with this function. It will recursively delete
227<b>everything</b> within the supplied path, including sub-folders and all files. Make absolutely sure your path is correct.
228Try 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]229
230<code>
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]231$this->ftp->delete_dir('/public_html/path/to/folder/');
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]232</code>
233
234
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]235
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]236<h2>$this->ftp->list_files()</h2>
237<p>Permits you to retrieve a list of files on your server returned as an <dfn>array</dfn>. You must supply
238the path to the desired directory.</p>
239
240<code>
241$list = $this->ftp->list_files('/public_html/');<br />
242<br />
243print_r($list);
244</code>
245
246
247<h2>$this->ftp->mirror()</h2>
248
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]249<p>Recursively reads a local folder and everything it contains (including sub-folders) and creates a
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]250mirror via FTP based on it. Whatever the directory structure of the original file path will be recreated on the server.
251You must supply a source path and a destination path:</p>
252
253<code>
254$this->ftp->mirror('/path/to/myfolder/', '/public_html/myfolder/');
255</code>
256
257
258
admin9e774ad2006-10-27 21:58:04 +0000[diff] [blame]259<h2>$this->ftp->mkdir()</h2>
260
261<p>Lets you create a directory on your server. Supply the path ending in the folder name you wish to create, with a trailing slash.
262Permissions can be set by passed an <kbd>octal</kbd> value in the second parameter (if you are running PHP 5).</p>
263
264<code>
265// Creates a folder named "bar"<br />
266$this->ftp->mkdir('/public_html/foo/bar/', 0777);
267</code>
268
269
270<h2>$this->ftp->chmod()</h2>
271
272<p>Permits you to set file permissions. Supply the path to the file or folder you wish to alter permissions on:</p>
273
274<code>
275// Chmod "bar" to 777<br />
276$this->ftp->chmod('/public_html/foo/bar/', 0777);
277</code>
278
279
280
281
admin865b4b32006-10-27 07:33:49 +0000[diff] [blame]282<h2>$this->ftp->close();</h2>
283<p>Closes the connection to your server. It's recommended that you use this when you are finished uploading.</p>
284
285
admin62489d52006-10-27 06:25:51 +0000[diff] [blame]286
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