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@@ -11,40 +11,53 @@ use chillerlan\QRCode\Data\QRMatrix;
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require_once __DIR__.'/../vendor/autoload.php';
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+/**
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+ * a little helper to create a proper ANSI 8-bit color escape sequence
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+ *
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+ * @see https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit
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+ * @see https://en.wikipedia.org/wiki/Block_Elements
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+ *
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+ * @codeCoverageIgnore
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+ */
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+function ansi8(string $str, int $color, bool $background = null):string{
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+ $color = max(0, min($color, 255));
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+ $background = ($background === true) ? 48 : 38;
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+
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+ return sprintf("\x1b[%s;5;%sm%s\x1b[0m", $background, $color, $str);
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+}
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+
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+
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$options = new QROptions([
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'version' => 5,
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'outputType' => QRCode::OUTPUT_STRING_TEXT,
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'eccLevel' => QRCode::ECC_L,
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'moduleValues' => [
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// finder
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- (QRMatrix::M_FINDER << 8) => 'A', // dark (true)
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- (QRMatrix::M_FINDER_DOT << 8) => 'A', // dark (true)
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- QRMatrix::M_FINDER => 'a', // light (false)
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+ QRMatrix::M_FINDER_DARK => ansi8('██', 124), // dark (true)
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+ QRMatrix::M_FINDER_DOT => ansi8('██', 124), // dark (true)
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+ QRMatrix::M_FINDER => ansi8('░░', 124), // light (false)
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// alignment
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- (QRMatrix::M_ALIGNMENT << 8) => 'B',
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- QRMatrix::M_ALIGNMENT => 'b',
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+ QRMatrix::M_ALIGNMENT_DARK => ansi8('██', 2),
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+ QRMatrix::M_ALIGNMENT => ansi8('░░', 2),
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// timing
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- (QRMatrix::M_TIMING << 8) => 'C',
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- QRMatrix::M_TIMING => 'c',
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+ QRMatrix::M_TIMING_DARK => ansi8('██', 184),
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+ QRMatrix::M_TIMING => ansi8('░░', 184),
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// format
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- (QRMatrix::M_FORMAT << 8) => 'D',
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- QRMatrix::M_FORMAT => 'd',
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+ QRMatrix::M_FORMAT_DARK => ansi8('██', 200),
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+ QRMatrix::M_FORMAT => ansi8('░░', 200),
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// version
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- (QRMatrix::M_VERSION << 8) => 'E',
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- QRMatrix::M_VERSION => 'e',
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+ QRMatrix::M_VERSION_DARK => ansi8('██', 21),
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+ QRMatrix::M_VERSION => ansi8('░░', 21),
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// data
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- (QRMatrix::M_DATA << 8) => 'F',
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- QRMatrix::M_DATA => 'f',
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+ QRMatrix::M_DATA_DARK => ansi8('██', 166),
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+ QRMatrix::M_DATA => ansi8('░░', 166),
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// darkmodule
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- (QRMatrix::M_DARKMODULE << 8) => 'G',
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+ QRMatrix::M_DARKMODULE => ansi8('██', 53),
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// separator
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- QRMatrix::M_SEPARATOR => 'h',
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+ QRMatrix::M_SEPARATOR => ansi8('░░', 253),
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// quietzone
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- QRMatrix::M_QUIETZONE => 'x',
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+ QRMatrix::M_QUIETZONE => ansi8('░░', 253),
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],
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]);
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-// <pre> to view it in a browser
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-$qrcode = (new QRCode($options))->render('https://www.youtube.com/watch?v=dQw4w9WgXcQ');
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-
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-echo '<pre style="line-height: 1;">'.$qrcode.'</pre>';
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+echo (new QRCode($options))->render('https://www.youtube.com/watch?v=dQw4w9WgXcQ');
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smiley