<?php
/* Move to the start of the line to be drawn */
pdf_moveto($pdf_r, $start_x, $start_y);
/* Draw a line from the current cursor location to the end */
pdf_lineto($pdf_r, $end_x, $end_y);
pdf_stroke($pdf_r);
/* Automatically move the cursor and draw a rectangle */
pdf_rect($pdf_r, $start_x, $start_y, $width, $height);
pdf_stroke($pdf_r);
?>