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Rev 142 Rev 143
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        $color .= (strlen($b) < 2 ? '0' : '').$b;
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        $color .= (strlen($b) < 2 ? '0' : '').$b;
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        return '#'.$color;
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        return '#'.$color;
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}
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}
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function changeHueOfCSS($css_content, $h_shift=0, $s_shift=0, $v_shift=0) {
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function changeHueOfCSS($css_content, $h_shift=0, $s_shift=0, $v_shift=0) {
- 
 
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        // TODO: also support rgb() and rgba() color references (and maybe also hsl?)
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        $css_content = preg_replace_callback('@#([0-9a-fA-F]{6}|[0-9a-fA-F]{3})@ismU',
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        $css_content = preg_replace_callback('@#([0-9a-fA-F]{6}|[0-9a-fA-F]{3})@ismU',
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                function ($x) use ($h_shift, $s_shift, $v_shift) {
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                function ($x) use ($h_shift, $s_shift, $v_shift) {
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                        if (strlen($x[1]) == 3) {
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                        if (strlen($x[1]) == 3) {
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                                $r = hexdec($x[1][0].$x[1][0]);
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                                $r = hexdec($x[1][0].$x[1][0]);
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                                $g = hexdec($x[1][1].$x[1][1]);
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                                $g = hexdec($x[1][1].$x[1][1]);