just explain what the files is all about. this is a photo gallery code in php.. it will display thmubnails of images from 'thumbs' folder and when click it has it will be zoomed by displaying full image in root folder from lightbox.js
it also has a file name description.txt which has names of the image and 2 lines about the image. example:- 1.jpg Peacock 2.jpg Icicles 3.jpg Large Waterfall and so on.
this description is displayed below the image.
now i have some errors Can anyone help me? I m having this error
Notice: Undefined index:
@mickmackusa i edited and added the var_export($titles); as you said and below is error in the imageenter image description here
here is my full code
<?php
# SETTINGS
$max_width = 100;
$max_height = 100;
$per_page = 5;
$page = $_GET['page'];
$has_previous = false;
$has_next = false;
function getInfo() {
$file = fopen('description.txt', 'r');
$arr = array();
while( !feof( $file ) ) {
$arr[ str_replace( "\n", '', fgets( $file ) ) ] = str_replace( "\n", '', fgets( $file ) );
}
fclose( $file );
return $arr;
}
function getPictures() {
global $page, $per_page, $has_previous, $has_next;
if ( $handle = opendir(".") ) {
$lightbox = rand();
echo '<ul id="pictures">';
$count = 0;
$skip = $page * $per_page;
if ( $skip != 0 )
$has_previous = true;
while ( $count < $skip && ($file = readdir($handle)) !== false ) {
if ( !is_dir($file) && ($type = getPictureType($file)) != '' )
$count++;
}
$count = 0;
$titles = getInfo();
var_export($titles);
while ( $count < $per_page && ($file = readdir($handle)) !== false ) {
if ( !is_dir($file) && ($type = getPictureType($file)) != '' ) {
if ( ! is_dir('thumbs') ) {
mkdir('thumbs');
}
if ( ! file_exists('thumbs/'.$file) ) {
makeThumb( $file, $type );
}
echo '<li><a href="'.$file.'" title="'.$titles[$file].'" rel="lightbox['.$lightbox.']">';
echo '<img src="thumbs/'.$file.'" alt="" />';
echo '</a></li>';
$count++;
}
}
echo '</ul>';
while ( ($file = readdir($handle)) !== false ) {
if ( !is_dir($file) && ($type = getPictureType($file)) != '' ) {
$has_next = true;
break;
}
}
}
}
function getPictureType($file) {
$split = explode('.', $file);
$ext = $split[count($split) - 1];
if ( preg_match('/jpg|jpeg/i', $ext) ) {
return 'jpg';
} else if ( preg_match('/png/i', $ext) ) {
return 'png';
} else if ( preg_match('/gif/i', $ext) ) {
return 'gif';
} else {
return '';
}
}
function makeThumb( $file, $type ) {
global $max_width, $max_height;
if ( $type == 'jpg' ) {
$src = imagecreatefromjpeg($file);
} else if ( $type == 'png' ) {
$src = imagecreatefrompng($file);
} else if ( $type == 'gif' ) {
$src = imagecreatefromgif($file);
}
if ( ($oldW = imagesx($src)) < ($oldH = imagesy($src)) ) {
$newW = $oldW * ($max_width / $oldH);
$newH = $max_height;
} else {
$newW = $max_width;
$newH = $oldH * ($max_height / $oldW);
}
$new = imagecreatetruecolor($newW, $newH);
imagecopyresampled($new, $src, 0, 0, 0, 0, $newW, $newH, $oldW, $oldH);
if ( $type == 'jpg' ) {
imagejpeg($new, 'thumbs/'.$file);
} else if ( $type == 'png' ) {
imagepng($new, 'thumbs/'.$file);
} else if ( $type == 'gif' ) {
imagegif($new, 'thumbs/'.$file);
}
imagedestroy($new);
imagedestroy($src);
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" dir="ltr" lang="en-US">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UFT-8" />
<title>Pictures</title>
<link rel="stylesheet" href="css/lightbox.css" type="text/css" media="screen" />
<script type="text/javascript" src="js/prototype.js"></script>
<script type="text/javascript" src="js/scriptaculous.js?load=effects,builder"></script>
<script type="text/javascript" src="js/lightbox.js"></script>
<style type="text/css">
body {
width:780px;
margin:0 auto;
}
#pictures li {
float:left;
height:<?php echo ($max_height + 10); ?>px;
list-style:none outside;
width:<?php echo ($max_width + 10); ?>px;
text-align:center;
}
img {
border:0;
outline:none;
}
.prev {
float:left;
}
.next {
float:right;
}
</style>
</head>
<body>
<?php getPictures(); ?>
<div style="clear:both"></div>
<?php
if ( $has_previous )
echo '<p class="prev"><a href="?page='.($page - 1).'">← Previous Page</a></p>';
if ( $has_next )
echo '<p class="next"><a href="?page='.($page + 1).'">Next Page →</a></p>';
?>
<div style="clear:both"></div>
</body>
</html>
