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Derek Jonesfd93d222008-05-06 15:18:50 +00005<title>Download Helper : CodeIgniter User Guide</title>
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Derek Allard197d10b2008-02-12 04:20:38 +000031<td><h1>CodeIgniter User Guide Version 1.6.1</h1></td>
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Derek Jones7a9193a2008-01-21 18:39:20 +000044<a href="http://codeigniter.com/">CodeIgniter Home</a> &nbsp;&#8250;&nbsp;
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46Download Helper
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59
60<h1>Download Helper</h1>
61
admin3cad41e2006-10-02 03:21:46 +000062<p>The Download Helper lets you download data to your desktop.</p>
adminc167f2c2006-10-02 02:47:59 +000063
64
65<h2>Loading this Helper</h2>
66
67<p>This helper is loaded using the following code:</p>
68<code>$this->load->helper('download');</code>
69
70<p>The following functions are available:</p>
71
72<h2>force_download('<var>filename</var>', '<var>data</var>')</h2>
73
admine334c472006-10-21 19:44:22 +000074<p>Generates server headers which force data to be downloaded to your desktop. Useful with file downloads.
adminc167f2c2006-10-02 02:47:59 +000075The first parameter is the <strong>name you want the downloaded file to be named</strong>, the second parameter is the file data.
76Example:</p>
77
78<code>
79$data = 'Here is some text!';<br />
80$name = 'mytext.txt';<br />
81<br />
82force_download($name, $data);
83</code>
84
85<p>If you want to download an existing file from your server you'll need to read the file into a string:</p>
86
87<code>
88$data = file_get_contents("/path/to/photo.jpg"); // Read the file's contents<br />
89$name = 'myphoto.jpg';<br />
90<br />
91force_download($name, $data);
92</code>
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Derek Allard5a34f042008-01-19 19:41:54 +0000107Next Topic:&nbsp;&nbsp;<a href="email_helper.html">Email Helper</a></p>
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