Php Programming Code Examples
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Dynamic hyperlinked navigation bars
Dynamic hyperlinked navigation bars
<?php
/*
* 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); }
}
?>
