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Derek Jones733310d2009-02-11 01:13:43 +000031<td><h1>CodeIgniter User Guide Version 1.7.1</h1></td>
Derek Allard2067d1a2008-11-13 22:59:24 +000032<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
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43<a href="http://codeigniter.com/">CodeIgniter Home</a> &nbsp;&#8250;&nbsp;
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58<h1>Reserved Names</h1>
59
60<p>In order to help out, CodeIgniter uses a series of functions and names in its operation. Because of this, some names cannot be used by a developer. Following is a list of reserved names that cannot be used.</p>
61<h3>Controller names</h3>
62<p>Since your controller classes will extend the main application controller you
63must be careful not to name your functions identically to the ones used by that class, otherwise your local functions
64will override them. The following
65is a list of reserved names. Do not name your controller functions any of these:</p>
66<ul>
67 <li>Controller</li>
68 <li>CI_Base</li>
69 <li>_ci_initialize</li>
70 <li>_ci_scaffolding</li>
Derek Allard254c0e42009-02-10 14:08:20 +000071 <li>index</li>
Derek Allard2067d1a2008-11-13 22:59:24 +000072</ul>
73<p><br />
74 If you are running PHP 4 there are some additional reserved names. These ONLY apply if you are running PHP 4.</p>
75<ul>
76 <li>CI_Loader</li>
77 <li>config</li>
78 <li>database</li>
79 <li>dbutil</li>
80 <li>dbforge</li>
81 <li>file</li>
82 <li>helper</li>
83 <li>helpers</li>
84 <li>language</li>
85 <li>library</li>
86 <li>model</li>
87 <li>plugin</li>
88 <li>plugins</li>
89 <li>scaffolding</li>
90 <li>script</li>
91 <li>view</li>
92 <li>vars</li>
93 <li>_ci_assign_to_models</li>
94 <li>_ci_autoloader</li>
95 <li>_ci_init_class</li>
96 <li>_ci_init_scaffolding</li>
97 <li>_ci_is_instance</li>
98 <li>_ci_load</li>
99 <li>_ci_load_class</li>
100 <li>_ci_object_to_array</li>
101</ul>
102<h3>Functions</h3>
103<ul>
104 <li>is_really_writable()</li>
105 <li>load_class()</li>
106 <li>get_config()</li>
107 <li>config_item()</li>
108 <li>show_error()</li>
109 <li>show_404()</li>
110 <li>log_message()</li>
111 <li>_exception_handler()</li>
112 <li>get_instance()</li>
113 </ul>
114<h3>Variables</h3>
115<ul>
116 <li>$config</li>
117 <li>$mimes</li>
118 <li>$lang</li>
119</ul>
120<h3>Constants</h3>
121<ul>
122 <li>EXT</li>
123 <li>FCPATH</li>
124 <li>SELF</li>
125 <li>BASEPATH</li>
126 <li>APPPATH</li>
127 <li>CI_VERSION</li>
128 <li>FILE_READ_MODE</li>
129 <li>FILE_WRITE_MODE</li>
130 <li>DIR_READ_MODE</li>
131 <li>DIR_WRITE_MODE</li>
132 <li>FOPEN_READ</li>
133 <li>FOPEN_READ_WRITE</li>
134 <li>FOPEN_WRITE_CREATE_DESTRUCTIVE</li>
135 <li>FOPEN_READ_WRITE_CREATE_DESTRUCTIVE</li>
136 <li>FOPEN_WRITE_CREATE</li>
137 <li>FOPEN_READ_WRITE_CREATE</li>
138 <li>FOPEN_WRITE_CREATE_STRICT</li>
139 <li>FOPEN_READ_WRITE_CREATE_STRICT</li>
140</ul>
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Derek Jonesfc395a12009-04-22 14:15:09 +0000152<p><a href="http://codeigniter.com">CodeIgniter</a> &nbsp;&middot;&nbsp; Copyright &#169; 2006-2009 &nbsp;&middot;&nbsp; <a href="http://ellislab.com/">Ellislab, Inc.</a></p>
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