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Breadcrumbs not working
hxxp://fakesite.com/-->Home
hxxp://fakesite.com/A-->A
hxxp://fakesite.com/B-->B
hxxp://fakesite.com/C-->C

hxxp://fakesite.com/-->Home
hxxp://fakesite.com/A-->A
hxxp://fakesite.com/A/B-->B
hxxp://fakesite.com/A/B/C-->C

<?php

// This function will take $_SERVER['REQUEST_URI'] and build a breadcrumb based on the user's current path
function breadcrumbs($separator = ' &raquo; ', $home = 'Home') {
// This gets the REQUEST_URI (/path/to/file.php), splits the string (using '/') into an array, and then filters out any empty values
$path = array_filter(explode('/', parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH)));

// This will build our "base URL" ... Also accounts for HTTPS :)
$base = ($_SERVER['HTTPS'] ? 'https' : 'http') . '://' . $_SERVER['HTTP_HOST'] . '/';

// Initialize a temporary array with our breadcrumbs. (starting with our home page, which I'm assuming will be the base URL)
$breadcrumbs = Array("<a href="$base">$home</a>");
$last = end(array_keys($path));

// Find out the index for the last value in our path array
$last = end(array_keys($path));

// Build the rest of the breadcrumbs
foreach ($path AS $x => $crumb) {
 // Our "title" is the text that will be displayed (strip out .php and turn '_' into a space)
    $title = ucwords(str_replace(Array('.php', '_'), Array('', ' '), $crumb));

    // If we are not on the last index, then display an <a> tag
    if ($x != $last)
        $breadcrumbs[] = "<a href="$base$crumb">$title</a>";
    // Otherwise, just display the title (minus)
    else
        $breadcrumbs[] = $title;
}

// Build our temporary array (pieces of bread) into one big string :)
return implode($separator, $breadcrumbs);
}

?>

<p><?= breadcrumbs() ?></p>

$upToNowCrumbs = array();
// Build the rest of the breadcrumbs
foreach ($path as $x => $crumb) {
    $upToNowCrumbs[] = $crumb;
    // Our "title" is the text that will be displayed (strip out .php and turn '_' into a space)
    $title = ucwords(str_replace(Array('.php', '_'), Array('', ' '), $crumb));

    // If we are not on the last index, then display an <a> tag
    if ($x != $last)
        $breadcrumbs[] = "<a href="$base".implode('/', $upToNowCrumbs)."">$title</a>";
    // Otherwise, just display the title (minus)
    else
        $breadcrumbs[] = $title;
}