/**
* Display an image fitting into the desired dimension
* It expects the file existing in one of the directories `./files` (the constant `FILE`)
* and `./images` (the constant `IMAGE`)
* This function has dependency on file_helper. If there is no file_helper found,
* the arguments `$dimension` and `$attributes` will be ignored.
*
* @param string $file The image file name with path excluding
* the base directory name (FILE or IMAGE) without leading slash.
* @param string $caption The image caption
* @param string $dimension The desired dimension in "widthxheight"
* @param array $attributes The HTML attributes in array like key => value
*
* @return void
*/
function _image($file, $caption = '', $dimension = '0x0', $attributes = '')
{
$directory = array('images' => IMAGE, 'files' => FILE);
# find the image in the two directories - ./files and ./images
foreach ($directory as $dir => $path) {
$image = $path . $file;
if (is_file($image) && file_exists($image)) {
list($width, $height) = getimagesize($image);
if (strpos($path, 'assets') !== false) {
$dir = 'assets/images';
}
break;
}
}
if (isset($width) && isset($height)) {
# if the image is found
$image = WEB_ROOT . $dir . '/' . $file;
if (class_exists('File')) {
echo File::img($image, $caption, $width . 'x' . $height, $dimension, $attributes);
} else {
echo '<img src="' . $image . '"';
echo ' alt="' . $caption . '" title="' . $caption . '"';
echo ' width="' . $width . '" height"' . $height . '" />';
}
} else {
# if the image is not found
echo '<div class="image404" align="center">';
echo function_exists('_t') ? _t('No Image') : 'No Image';
echo '</div>';
}
}
