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| Code | |||||
<?php /* * navbar.php3 -- Version 1.0, 98/07/24 * * Dougal Campbell <dougal@gunters.org> * http://www.gunters.org/~dougal/ * * Provides a common navigation bar to a set of pages, dynamically * making sure that the link to the current page isn't hyperlinked. * * Usage: * In each file which will display the navigation bar: * <?php include "navbar.php3"; ?> * * Edit $links_arr to contain the name of the link and the * URL for link (can be relative or absolute URL). * * TODO: * o Read array from a flat text file * o Read array from database * o Support for graphical buttons instead of just text * o Support for frame targets * */ /* User configurable variables */ $links_arr = array( "Test Page 1" => "/~dougal/test1.phtml", "Test Page 2" => "/~dougal/test2.phtml", "Test Page 3" => "/~dougal/test3.phtml" ); $separator = " | "; /* Put a vertical bar between links */ /* Main code begins here */ /* Step through the array.... */ for (reset($links_arr); $name = key($links_arr); next($links_arr)) { $hyper = 1; /* Hyperlink on by default */ /* * If the current page URI matches the current array element, * don't add the <A HREF....> stuff. Use the $hyper var to flag it. */ if ($REQUEST_URI == $links_arr[$name]) { $hyper = 0; /* Don't hyperlink a page to itself */ } /* Conditionally do the <A HREF...> part for hyperlinks */ if ($hyper) { print "<A HREF=\"" . $links_arr[$name] . "\">"; } print $name; /* Print the name of the link */ if ($hyper) { print "</A>"; } /* Close the hyperlink */ /* Do fancy tricks to print separators between links * The next/prev stuff keeps it from putting a trailing '|' * at the end of the list by testing to see if we are currently * looking at the last element of the $links_arr array. */ if (next($links_arr)) { print $separator; prev($links_arr); } } ?> | |||||
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