#0: Search (255, 0, 0); Closest match: <span style='border:2px solid rgb(161, 33, 17);'>(161, 33, 17)</span>.<br><pre><code style="color: #000000">#0: Search (255, 0, 0); Closest match: &lt;span style='border:2px solid rgb(161, 33, 17);'&gt;(161, 33, 17)&lt;/span&gt;.&lt;br&gt;<span style="color: #0000BB">&lt;?php
show_source</span><span style="color: #007700">(</span><span style="color: #DD0000">'imgtest.php'</span><span style="color: #007700">);exit;
function </span><span style="color: #0000BB">is_nsfw</span><span style="color: #007700">(</span><span style="color: #0000BB">$rawfile</span><span style="color: #007700">){
</span><span style="color: #FF8000">//Modified from: https://www.php.net/manual/en/function.imagecolorclosest.php

// Start with an image and convert it to a palette-based image
</span><span style="color: #0000BB">$im </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecreatefromjpeg</span><span style="color: #007700">(</span><span style="color: #0000BB">$rawfile</span><span style="color: #007700">);
</span><span style="color: #0000BB">imagetruecolortopalette</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">false</span><span style="color: #007700">, </span><span style="color: #0000BB">255</span><span style="color: #007700">);

</span><span style="color: #FF8000">// Search colors (RGBWB)
</span><span style="color: #0000BB">$colors </span><span style="color: #007700">= array(
    array(</span><span style="color: #0000BB">255</span><span style="color: #007700">,</span><span style="color: #0000BB">0</span><span style="color: #007700">,</span><span style="color: #0000BB">0</span><span style="color: #007700">),
</span><span style="color: #FF8000">/*    array(0,255,0),
    array(0,0,255),
    array(255,255,255),
    array(0,0,0)*/
</span><span style="color: #007700">);

</span><span style="color: #FF8000">// Loop through each search and find the closest color in the palette.
// Return the search number, the search RGB and the converted RGB match
</span><span style="color: #007700">foreach(</span><span style="color: #0000BB">$colors </span><span style="color: #007700">as </span><span style="color: #0000BB">$id </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">$rgb</span><span style="color: #007700">)
{
    </span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecolorclosest</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">$rgb</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">], </span><span style="color: #0000BB">$rgb</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">], </span><span style="color: #0000BB">$rgb</span><span style="color: #007700">[</span><span style="color: #0000BB">2</span><span style="color: #007700">]);
    </span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecolorsforindex</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">$result</span><span style="color: #007700">);
    </span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #DD0000">"(</span><span style="color: #007700">{</span><span style="color: #0000BB">$result</span><span style="color: #007700">[</span><span style="color: #DD0000">'red'</span><span style="color: #007700">]}</span><span style="color: #DD0000">, </span><span style="color: #007700">{</span><span style="color: #0000BB">$result</span><span style="color: #007700">[</span><span style="color: #DD0000">'green'</span><span style="color: #007700">]}</span><span style="color: #DD0000">, </span><span style="color: #007700">{</span><span style="color: #0000BB">$result</span><span style="color: #007700">[</span><span style="color: #DD0000">'blue'</span><span style="color: #007700">]}</span><span style="color: #DD0000">)"</span><span style="color: #007700">;

    echo </span><span style="color: #DD0000">"#</span><span style="color: #0000BB">$id</span><span style="color: #DD0000">: Search (</span><span style="color: #0000BB">$rgb</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">]</span><span style="color: #DD0000">, </span><span style="color: #0000BB">$rgb</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">]</span><span style="color: #DD0000">, </span><span style="color: #0000BB">$rgb</span><span style="color: #007700">[</span><span style="color: #0000BB">2</span><span style="color: #007700">]</span><span style="color: #DD0000">); Closest match: &lt;span style='border:2px solid rgb</span><span style="color: #0000BB">$result</span><span style="color: #DD0000">;'&gt;</span><span style="color: #0000BB">$result</span><span style="color: #DD0000">&lt;/span&gt;.&lt;br&gt;"</span><span style="color: #007700">;
}}

</span><span style="color: #FF8000">#Warning, this image is actual self harm, used to test the gore detector
</span><span style="color: #0000BB">is_nsfw</span><span style="color: #007700">(</span><span style="color: #DD0000">'../u/Y-Y-deutsch-ich- kann-sehen-wie-meine-sehnen-sich-bewegen-aber-eine-stelle-habe ich schon-zugenäht-noch-zwei-stellen-jetzt-transl8 german-to-english-if-you-like.jpg'</span><span style="color: #007700">);

</span><span style="color: #FF8000">#This is a control image, a "I love cat" quote in black and white
</span><span style="color: #0000BB">is_nsfw</span><span style="color: #007700">(</span><span style="color: #DD0000">'Y-Y-360_F_437613381_uhAH4prMhYbj6Ow9cjk8Yj7UuVaOpXAZ.jpg'</span><span style="color: #007700">);
</span><span style="color: #0000BB">?&gt;
</span></code></pre>