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<?php |
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namespace LesserPhp\Library; |
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/** |
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* lesserphp |
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* https://www.maswaba.de/lesserphp |
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* |
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* LESS CSS compiler, adapted from http://lesscss.org |
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* |
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* Copyright 2013, Leaf Corcoran <[email protected]> |
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* Copyright 2016, Marcus Schwarz <[email protected]> |
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* Licensed under MIT or GPLv3, see LICENSE |
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* @package LesserPhp |
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*/ |
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class Coerce |
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{ |
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protected static $cssColors = [ |
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'aliceblue' => '240,248,255', |
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'antiquewhite' => '250,235,215', |
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'aqua' => '0,255,255', |
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'aquamarine' => '127,255,212', |
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'azure' => '240,255,255', |
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'beige' => '245,245,220', |
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'bisque' => '255,228,196', |
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'black' => '0,0,0', |
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'blanchedalmond' => '255,235,205', |
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'blue' => '0,0,255', |
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'blueviolet' => '138,43,226', |
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'brown' => '165,42,42', |
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'burlywood' => '222,184,135', |
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'cadetblue' => '95,158,160', |
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'chartreuse' => '127,255,0', |
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'chocolate' => '210,105,30', |
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'coral' => '255,127,80', |
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'cornflowerblue' => '100,149,237', |
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'cornsilk' => '255,248,220', |
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'crimson' => '220,20,60', |
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'cyan' => '0,255,255', |
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'darkblue' => '0,0,139', |
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'darkcyan' => '0,139,139', |
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'darkgoldenrod' => '184,134,11', |
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'darkgray' => '169,169,169', |
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'darkgreen' => '0,100,0', |
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'darkgrey' => '169,169,169', |
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'darkkhaki' => '189,183,107', |
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'darkmagenta' => '139,0,139', |
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'darkolivegreen' => '85,107,47', |
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'darkorange' => '255,140,0', |
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'darkorchid' => '153,50,204', |
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'darkred' => '139,0,0', |
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'darksalmon' => '233,150,122', |
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'darkseagreen' => '143,188,143', |
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'darkslateblue' => '72,61,139', |
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'darkslategray' => '47,79,79', |
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'darkslategrey' => '47,79,79', |
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'darkturquoise' => '0,206,209', |
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'darkviolet' => '148,0,211', |
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'deeppink' => '255,20,147', |
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'deepskyblue' => '0,191,255', |
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'dimgray' => '105,105,105', |
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'dimgrey' => '105,105,105', |
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'dodgerblue' => '30,144,255', |
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'firebrick' => '178,34,34', |
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'floralwhite' => '255,250,240', |
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'forestgreen' => '34,139,34', |
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'fuchsia' => '255,0,255', |
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'gainsboro' => '220,220,220', |
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'ghostwhite' => '248,248,255', |
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'gold' => '255,215,0', |
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'goldenrod' => '218,165,32', |
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'gray' => '128,128,128', |
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'green' => '0,128,0', |
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'greenyellow' => '173,255,47', |
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'grey' => '128,128,128', |
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'honeydew' => '240,255,240', |
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'hotpink' => '255,105,180', |
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'indianred' => '205,92,92', |
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'indigo' => '75,0,130', |
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'ivory' => '255,255,240', |
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'khaki' => '240,230,140', |
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'lavender' => '230,230,250', |
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'lavenderblush' => '255,240,245', |
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'lawngreen' => '124,252,0', |
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'lemonchiffon' => '255,250,205', |
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'lightblue' => '173,216,230', |
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'lightcoral' => '240,128,128', |
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'lightcyan' => '224,255,255', |
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'lightgoldenrodyellow' => '250,250,210', |
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'lightgray' => '211,211,211', |
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'lightgreen' => '144,238,144', |
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'lightgrey' => '211,211,211', |
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'lightpink' => '255,182,193', |
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'lightsalmon' => '255,160,122', |
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'lightseagreen' => '32,178,170', |
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'lightskyblue' => '135,206,250', |
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'lightslategray' => '119,136,153', |
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'lightslategrey' => '119,136,153', |
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'lightsteelblue' => '176,196,222', |
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'lightyellow' => '255,255,224', |
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'lime' => '0,255,0', |
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'limegreen' => '50,205,50', |
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'linen' => '250,240,230', |
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'magenta' => '255,0,255', |
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'maroon' => '128,0,0', |
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'mediumaquamarine' => '102,205,170', |
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'mediumblue' => '0,0,205', |
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'mediumorchid' => '186,85,211', |
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'mediumpurple' => '147,112,219', |
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'mediumseagreen' => '60,179,113', |
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'mediumslateblue' => '123,104,238', |
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'mediumspringgreen' => '0,250,154', |
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'mediumturquoise' => '72,209,204', |
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'mediumvioletred' => '199,21,133', |
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'midnightblue' => '25,25,112', |
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'mintcream' => '245,255,250', |
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'mistyrose' => '255,228,225', |
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'moccasin' => '255,228,181', |
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'navajowhite' => '255,222,173', |
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'navy' => '0,0,128', |
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'oldlace' => '253,245,230', |
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'olive' => '128,128,0', |
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'olivedrab' => '107,142,35', |
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'orange' => '255,165,0', |
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'orangered' => '255,69,0', |
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'orchid' => '218,112,214', |
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'palegoldenrod' => '238,232,170', |
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'palegreen' => '152,251,152', |
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'paleturquoise' => '175,238,238', |
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'palevioletred' => '219,112,147', |
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'papayawhip' => '255,239,213', |
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'peachpuff' => '255,218,185', |
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'peru' => '205,133,63', |
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'pink' => '255,192,203', |
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'plum' => '221,160,221', |
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'powderblue' => '176,224,230', |
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'purple' => '128,0,128', |
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'red' => '255,0,0', |
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'rosybrown' => '188,143,143', |
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'royalblue' => '65,105,225', |
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'saddlebrown' => '139,69,19', |
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'salmon' => '250,128,114', |
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'sandybrown' => '244,164,96', |
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'seagreen' => '46,139,87', |
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'seashell' => '255,245,238', |
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'sienna' => '160,82,45', |
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'silver' => '192,192,192', |
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'skyblue' => '135,206,235', |
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'slateblue' => '106,90,205', |
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'slategray' => '112,128,144', |
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'slategrey' => '112,128,144', |
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'snow' => '255,250,250', |
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'springgreen' => '0,255,127', |
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'steelblue' => '70,130,180', |
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'tan' => '210,180,140', |
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'teal' => '0,128,128', |
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'thistle' => '216,191,216', |
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'tomato' => '255,99,71', |
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'transparent' => '0,0,0,0', |
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'turquoise' => '64,224,208', |
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'violet' => '238,130,238', |
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'wheat' => '245,222,179', |
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'white' => '255,255,255', |
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'whitesmoke' => '245,245,245', |
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'yellow' => '255,255,0', |
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'yellowgreen' => '154,205,50', |
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]; |
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/** |
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* coerce a value for use in color operation |
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* |
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* @param array $value |
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* |
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* @return array|null |
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*/ |
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public function coerceColor(array $value) |
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switch ($value[0]) { |
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case 'color': |
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return $value; |
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case 'raw_color': |
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$c = ['color', 0, 0, 0]; |
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$colorStr = mb_substr($value[1], 1); |
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$num = hexdec($colorStr); |
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$width = mb_strlen($colorStr) === 3 ? 16 : 256; |
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for ($i = 3; $i > 0; $i--) { // 3 2 1 |
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$t = $num % $width; |
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$num /= $width; |
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$c[$i] = $t * (256 / $width) + $t * floor(16 / $width); |
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} |
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return $c; |
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case 'keyword': |
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$name = $value[1]; |
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if (isset(static::$cssColors[$name])) { |
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$rgba = explode(',', static::$cssColors[$name]); |
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if (isset($rgba[3])) { |
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return ['color', $rgba[0], $rgba[1], $rgba[2], $rgba[3]]; |
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} |
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return ['color', $rgba[0], $rgba[1], $rgba[2]]; |
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} |
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} |
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return null; |
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} |
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/** |
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* make something string like into a string |
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* |
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* @param array $value |
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* |
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* @return array|null |
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*/ |
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public function coerceString(array $value) |
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{ |
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switch ($value[0]) { |
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case 'string': |
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return $value; |
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case 'keyword': |
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return ['string', '', [$value[1]]]; |
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} |
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return null; |
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} |
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} |
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MarcusSchwarz /
lesserphp
