<?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);
?>