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"; // allowed HTML tags in titles /* find, open and read in table of random images information */ $index_file = $images_folder . "/images_index.txt"; $fh = fopen ( $index_file, "r" ); // open index file if ( !$fh ) { echo "Error trying to open random images index file"; exit; } $files = array(); // initialise storage arrays $links = array(); $titles = array(); $alts = array(); $i = 0; while ( !feof( $fh ) ) // read in each line of the file { $buffer = rtrim ( fgets ( $fh, 4096 ) ); // strip off trailing newline character // don't strip HTML tags here or you'll remove // the essential item separator as well $i++; list ( $files[$i], $links[$i], $titles[$i], $alts[$i] ) = explode ( "<>", $buffer ); } // end while not eof fclose ( $fh ); $num_images = $i; srand( (double)microtime()*1000000 ); // seed random number generator $i = rand ( 1, $num_images ); // choose an image number if ( trim ($alts[$i] ) == "" ){ // if no alt text, use the title text $alts[$i] = trim ($titles[$i]); } /* write out the HTML for the image and a link and its title */ printf ("", trim( strip_tags( $links[$i], $allowed_tags ) ), $images_folder, trim( strip_tags( $files[$i], $allowed_tags ) ), trim( strip_tags( $alts[$i], $allowed_tags ) ), trim( strip_tags( $titles[$i], $allowed_tags ) ) ); ?> | Those
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