32 lines
862 B
PHP
32 lines
862 B
PHP
<?php
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$string = $_GET['string'] ? strtolower($_GET['string']) : "";
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$hash = md5($string);
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$color = substr($hash, 2, 6);
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$pixels = array();
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for ($i = 0; $i < 5; $i++) {
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for ($j = 0; $j < 5; $j++) {
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$pixels[$i][$j] = hexdec(substr($hash, ($i * 5) + $j + 6, 1))%2 === 0;
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}
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}
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$image = imagecreatetruecolor(400, 400);
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$color = imagecolorallocate($image, hexdec(substr($color,0,2)), hexdec(substr($color,2,2)), hexdec(substr($color,4,2)));
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$bg = imagecolorallocate($image, 238, 238, 238);
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for ($k = 0; $k < count($pixels); $k++) {
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for ($l = 0; $l < count($pixels[$k]); $l++) {
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$pixelColor = $bg;
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if ($pixels[$k][$l]) {
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$pixelColor = $color;
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}
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imagefilledrectangle($image, $k * 80, $l * 80, ($k + 1) * 80, ($l + 1) * 80, $pixelColor);
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}
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}
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header('Content-type: image/png');
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imagepng($image);
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?>
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