lane(): 0.003825
 TIME: bit_plane(): 0.003659
 TIME: bit_plane(): 0.003666
 TIME: extract_bit_plane: 0.0113928318023682
 TIME: create_hidden: 0.00251
 Write PNG file hidden-pdl-200x265.png
 TIME: write_png(): 0.018439
        hidden-pdl-200x265.png:  Type byte (0) Dims 2 (200/265) #Ele 53000 Sum  6348672
 TIME: main(): 0.062353</code></pre>

<h1 id="Basic-Functions">Basic Functions</h1>

<p>Some basic functions are used in this example.</p>

<pre><code> $data = one_color($rgb_data,$color);    # Creates rgb 