Self-Writing Breadcrumb Trail

>> Call this function to write a breadcrumb trail based on your folder structure

RESOURCE ADDED ON THURSDAY 27 APRIL 2006, 08:45:12

Category: PHP Code

Language(s): PHP

Description: Call this function to write a breadcrumb trail based on your folder structure

The code is listed below; click on it to download the code as a text file.

<?php

function breadcrumbtrail() {

// title of the page
$titleofpage = "This is my page";

// file path
$path = $_SERVER[ 'PHP_SELF' ];

// split the path into folders
$path = explode( "/", $path );

// set the label of the first element to 'Home'
$path[ 0 ] = "Home";

// set the last element of the array to the title of the page
$path[ count( $path ) - 1 ] = $titleofpage;

$counter = 0;

// go through the array and output the trail
foreach( $path as $key=>$value ) {

// compose hyperlink for all breadcrumb trail parts except the last element
if( $counter < ( count( $path ) - 1 ) ) {

$href = "/";

for( $c = 1; $c <= $counter; $c++ ) {

$href .= $path[ $c ] . "/";

}

// split link name into words by capital letter
// regular expression provided by james pittendreigh
$words = preg_split( '/([A-Z][a-z]+)/', $value, -1, PREG_SPLIT_DELIM_CAPTURE );

$linkname = "";
$isfirst = true;

// add whitescpae to the link name
foreach( $words as $v ) {

// only consider adding whitespace if the element is populated
if( !empty( $v ) ) {

// don't add whitespace to the first element
if( !$isfirst ) {

$linkname .= " ";

}
else {

$isfirst = false;

}

$linkname .= $v;

}

}

// output the hyperlink
echo "<a href=\"$href\">$linkname</a> > ";

}
else {

// just output the value
echo $value;

}

$counter ++;

}

}

breadcrumbtrail();

?>

This code has been downloaded 813 time(s) and viewed 6117 time(s).

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Credits

This resource was written by Tim Bennett Bsc (Hons). Tim Bennett has a First Class Degree in Multimedia Systems Computing from Leeds Metropolitan University. He works as a freelance multimedia developer under the company name Texelate creating free and commissioned high-quality multimedia solutions. Find out more by visiting the portfolio section and viewing his blog. If you'd like to request a resource get in touch!