<?php class PHPExcel_Helper_HTML { protected static $colourMap = array( 'aliceblue' => 'f0f8ff', 'antiquewhite' => 'faebd7', 'antiquewhite1' => 'ffefdb', 'antiquewhite2' => 'eedfcc', 'antiquewhite3' => 'cdc0b0', 'antiquewhite4' => '8b8378', 'aqua' => '00ffff', 'aquamarine1' => '7fffd4', 'aquamarine2' => '76eec6', 'aquamarine4' => '458b74', 'azure1' => 'f0ffff', 'azure2' => 'e0eeee', 'azure3' => 'c1cdcd', 'azure4' => '838b8b', 'beige' => 'f5f5dc', 'bisque1' => 'ffe4c4', 'bisque2' => 'eed5b7', 'bisque3' => 'cdb79e', 'bisque4' => '8b7d6b', 'black' => '000000', 'blanchedalmond' => 'ffebcd', 'blue' => '0000ff', 'blue1' => '0000ff', 'blue2' => '0000ee', 'blue4' => '00008b', 'blueviolet' => '8a2be2', 'brown' => 'a52a2a', 'brown1' => 'ff4040', 'brown2' => 'ee3b3b', 'brown3' => 'cd3333', 'brown4' => '8b2323', 'burlywood' => 'deb887', 'burlywood1' => 'ffd39b', 'burlywood2' => 'eec591', 'burlywood3' => 'cdaa7d', 'burlywood4' => '8b7355', 'cadetblue' => '5f9ea0', 'cadetblue1' => '98f5ff', 'cadetblue2' => '8ee5ee', 'cadetblue3' => '7ac5cd', 'cadetblue4' => '53868b', 'chartreuse1' => '7fff00', 'chartreuse2' => '76ee00', 'chartreuse3' => '66cd00', 'chartreuse4' => '458b00', 'chocolate' => 'd2691e', 'chocolate1' => 'ff7f24', 'chocolate2' => 'ee7621', 'chocolate3' => 'cd661d', 'coral' => 'ff7f50', 'coral1' => 'ff7256', 'coral2' => 'ee6a50', 'coral3' => 'cd5b45', 'coral4' => '8b3e2f', 'cornflowerblue' => '6495ed', 'cornsilk1' => 'fff8dc', 'cornsilk2' => 'eee8cd', 'cornsilk3' => 'cdc8b1', 'cornsilk4' => '8b8878', 'cyan1' => '00ffff', 'cyan2' => '00eeee', 'cyan3' => '00cdcd', 'cyan4' => '008b8b', 'darkgoldenrod' => 'b8860b', 'darkgoldenrod1' => 'ffb90f', 'darkgoldenrod2' => 'eead0e', 'darkgoldenrod3' => 'cd950c', 'darkgoldenrod4' => '8b6508', 'darkgreen' => '006400', 'darkkhaki' => 'bdb76b', 'darkolivegreen' => '556b2f', 'darkolivegreen1' => 'caff70', 'darkolivegreen2' => 'bcee68', 'darkolivegreen3' => 'a2cd5a', 'darkolivegreen4' => '6e8b3d', 'darkorange' => 'ff8c00', 'darkorange1' => 'ff7f00', 'darkorange2' => 'ee7600', 'darkorange3' => 'cd6600', 'darkorange4' => '8b4500', 'darkorchid' => '9932cc', 'darkorchid1' => 'bf3eff', 'darkorchid2' => 'b23aee', 'darkorchid3' => '9a32cd', 'darkorchid4' => '68228b', 'darksalmon' => 'e9967a', 'darkseagreen' => '8fbc8f', 'darkseagreen1' => 'c1ffc1', 'darkseagreen2' => 'b4eeb4', 'darkseagreen3' => '9bcd9b', 'darkseagreen4' => '698b69', 'darkslateblue' => '483d8b', 'darkslategray' => '2f4f4f', 'darkslategray1' => '97ffff', 'darkslategray2' => '8deeee', 'darkslategray3' => '79cdcd', 'darkslategray4' => '528b8b', 'darkturquoise' => '00ced1', 'darkviolet' => '9400d3', 'deeppink1' => 'ff1493', 'deeppink2' => 'ee1289', 'deeppink3' => 'cd1076', 'deeppink4' => '8b0a50', 'deepskyblue1' => '00bfff', 'deepskyblue2' => '00b2ee', 'deepskyblue3' => '009acd', 'deepskyblue4' => '00688b', 'dimgray' => '696969', 'dodgerblue1' => '1e90ff', 'dodgerblue2' => '1c86ee', 'dodgerblue3' => '1874cd', 'dodgerblue4' => '104e8b', 'firebrick' => 'b22222', 'firebrick1' => 'ff3030', 'firebrick2' => 'ee2c2c', 'firebrick3' => 'cd2626', 'firebrick4' => '8b1a1a', 'floralwhite' => 'fffaf0', 'forestgreen' => '228b22', 'fuchsia' => 'ff00ff', 'gainsboro' => 'dcdcdc', 'ghostwhite' => 'f8f8ff', 'gold1' => 'ffd700', 'gold2' => 'eec900', 'gold3' => 'cdad00', 'gold4' => '8b7500', 'goldenrod' => 'daa520', 'goldenrod1' => 'ffc125', 'goldenrod2' => 'eeb422', 'goldenrod3' => 'cd9b1d', 'goldenrod4' => '8b6914', 'gray' => 'bebebe', 'gray1' => '030303', 'gray10' => '1a1a1a', 'gray11' => '1c1c1c', 'gray12' => '1f1f1f', 'gray13' => '212121', 'gray14' => '242424', 'gray15' => '262626', 'gray16' => '292929', 'gray17' => '2b2b2b', 'gray18' => '2e2e2e', 'gray19' => '303030', 'gray2' => '050505', 'gray20' => '333333', 'gray21' => '363636', 'gray22' => '383838', 'gray23' => '3b3b3b', 'gray24' => '3d3d3d', 'gray25' => '404040', 'gray26' => '424242', 'gray27' => '454545', 'gray28' => '474747', 'gray29' => '4a4a4a', 'gray3' => '080808', 'gray30' => '4d4d4d', 'gray31' => '4f4f4f', 'gray32' => '525252', 'gray33' => '545454', 'gray34' => '575757', 'gray35' => '595959', 'gray36' => '5c5c5c', 'gray37' => '5e5e5e', 'gray38' => '616161', 'gray39' => '636363', 'gray4' => '0a0a0a', 'gray40' => '666666', 'gray41' => '696969', 'gray42' => '6b6b6b', 'gray43' => '6e6e6e', 'gray44' => '707070', 'gray45' => '737373', 'gray46' => '757575', 'gray47' => '787878', 'gray48' => '7a7a7a', 'gray49' => '7d7d7d', 'gray5' => '0d0d0d', 'gray50' => '7f7f7f', 'gray51' => '828282', 'gray52' => '858585', 'gray53' => '878787', 'gray54' => '8a8a8a', 'gray55' => '8c8c8c', 'gray56' => '8f8f8f', 'gray57' => '919191', 'gray58' => '949494', 'gray59' => '969696', 'gray6' => '0f0f0f', 'gray60' => '999999', 'gray61' => '9c9c9c', 'gray62' => '9e9e9e', 'gray63' => 'a1a1a1', 'gray64' => 'a3a3a3', 'gray65' => 'a6a6a6', 'gray66' => 'a8a8a8', 'gray67' => 'ababab', 'gray68' => 'adadad', 'gray69' => 'b0b0b0', 'gray7' => '121212', 'gray70' => 'b3b3b3', 'gray71' => 'b5b5b5', 'gray72' => 'b8b8b8', 'gray73' => 'bababa', 'gray74' => 'bdbdbd', 'gray75' => 'bfbfbf', 'gray76' => 'c2c2c2', 'gray77' => 'c4c4c4', 'gray78' => 'c7c7c7', 'gray79' => 'c9c9c9', 'gray8' => '141414', 'gray80' => 'cccccc', 'gray81' => 'cfcfcf', 'gray82' => 'd1d1d1', 'gray83' => 'd4d4d4', 'gray84' => 'd6d6d6', 'gray85' => 'd9d9d9', 'gray86' => 'dbdbdb', 'gray87' => 'dedede', 'gray88' => 'e0e0e0', 'gray89' => 'e3e3e3', 'gray9' => '171717', 'gray90' => 'e5e5e5', 'gray91' => 'e8e8e8', 'gray92' => 'ebebeb', 'gray93' => 'ededed', 'gray94' => 'f0f0f0', 'gray95' => 'f2f2f2', 'gray97' => 'f7f7f7', 'gray98' => 'fafafa', 'gray99' => 'fcfcfc', 'green' => '00ff00', 'green1' => '00ff00', 'green2' => '00ee00', 'green3' => '00cd00', 'green4' => '008b00', 'greenyellow' => 'adff2f', 'honeydew1' => 'f0fff0', 'honeydew2' => 'e0eee0', 'honeydew3' => 'c1cdc1', 'honeydew4' => '838b83', 'hotpink' => 'ff69b4', 'hotpink1' => 'ff6eb4', 'hotpink2' => 'ee6aa7', 'hotpink3' => 'cd6090', 'hotpink4' => '8b3a62', 'indianred' => 'cd5c5c', 'indianred1' => 'ff6a6a', 'indianred2' => 'ee6363', 'indianred3' => 'cd5555', 'indianred4' => '8b3a3a', 'ivory1' => 'fffff0', 'ivory2' => 'eeeee0', 'ivory3' => 'cdcdc1', 'ivory4' => '8b8b83', 'khaki' => 'f0e68c', 'khaki1' => 'fff68f', 'khaki2' => 'eee685', 'khaki3' => 'cdc673', 'khaki4' => '8b864e', 'lavender' => 'e6e6fa', 'lavenderblush1' => 'fff0f5', 'lavenderblush2' => 'eee0e5', 'lavenderblush3' => 'cdc1c5', 'lavenderblush4' => '8b8386', 'lawngreen' => '7cfc00', 'lemonchiffon1' => 'fffacd', 'lemonchiffon2' => 'eee9bf', 'lemonchiffon3' => 'cdc9a5', 'lemonchiffon4' => '8b8970', 'light' => 'eedd82', 'lightblue' => 'add8e6', 'lightblue1' => 'bfefff', 'lightblue2' => 'b2dfee', 'lightblue3' => '9ac0cd', 'lightblue4' => '68838b', 'lightcoral' => 'f08080', 'lightcyan1' => 'e0ffff', 'lightcyan2' => 'd1eeee', 'lightcyan3' => 'b4cdcd', 'lightcyan4' => '7a8b8b', 'lightgoldenrod1' => 'ffec8b', 'lightgoldenrod2' => 'eedc82', 'lightgoldenrod3' => 'cdbe70', 'lightgoldenrod4' => '8b814c', 'lightgoldenrodyellow' => 'fafad2', 'lightgray' => 'd3d3d3', 'lightpink' => 'ffb6c1', 'lightpink1' => 'ffaeb9', 'lightpink2' => 'eea2ad', 'lightpink3' => 'cd8c95', 'lightpink4' => '8b5f65', 'lightsalmon1' => 'ffa07a', 'lightsalmon2' => 'ee9572', 'lightsalmon3' => 'cd8162', 'lightsalmon4' => '8b5742', 'lightseagreen' => '20b2aa', 'lightskyblue' => '87cefa', 'lightskyblue1' => 'b0e2ff', 'lightskyblue2' => 'a4d3ee', 'lightskyblue3' => '8db6cd', 'lightskyblue4' => '607b8b', 'lightslateblue' => '8470ff', 'lightslategray' => '778899', 'lightsteelblue' => 'b0c4de', 'lightsteelblue1' => 'cae1ff', 'lightsteelblue2' => 'bcd2ee', 'lightsteelblue3' => 'a2b5cd', 'lightsteelblue4' => '6e7b8b', 'lightyellow1' => 'ffffe0', 'lightyellow2' => 'eeeed1', 'lightyellow3' => 'cdcdb4', 'lightyellow4' => '8b8b7a', 'lime' => '00ff00', 'limegreen' => '32cd32', 'linen' => 'faf0e6', 'magenta' => 'ff00ff', 'magenta2' => 'ee00ee', 'magenta3' => 'cd00cd', 'magenta4' => '8b008b', 'maroon' => 'b03060', 'maroon1' => 'ff34b3', 'maroon2' => 'ee30a7', 'maroon3' => 'cd2990', 'maroon4' => '8b1c62', 'medium' => '66cdaa', 'mediumaquamarine' => '66cdaa', 'mediumblue' => '0000cd', 'mediumorchid' => 'ba55d3', 'mediumorchid1' => 'e066ff', 'mediumorchid2' => 'd15fee', 'mediumorchid3' => 'b452cd', 'mediumorchid4' => '7a378b', 'mediumpurple' => '9370db', 'mediumpurple1' => 'ab82ff', 'mediumpurple2' => '9f79ee', 'mediumpurple3' => '8968cd', 'mediumpurple4' => '5d478b', 'mediumseagreen' => '3cb371', 'mediumslateblue' => '7b68ee', 'mediumspringgreen' => '00fa9a', 'mediumturquoise' => '48d1cc', 'mediumvioletred' => 'c71585', 'midnightblue' => '191970', 'mintcream' => 'f5fffa', 'mistyrose1' => 'ffe4e1', 'mistyrose2' => 'eed5d2', 'mistyrose3' => 'cdb7b5', 'mistyrose4' => '8b7d7b', 'moccasin' => 'ffe4b5', 'navajowhite1' => 'ffdead', 'navajowhite2' => 'eecfa1', 'navajowhite3' => 'cdb38b', 'navajowhite4' => '8b795e', 'navy' => '000080', 'navyblue' => '000080', 'oldlace' => 'fdf5e6', 'olive' => '808000', 'olivedrab' => '6b8e23', 'olivedrab1' => 'c0ff3e', 'olivedrab2' => 'b3ee3a', 'olivedrab4' => '698b22', 'orange' => 'ffa500', 'orange1' => 'ffa500', 'orange2' => 'ee9a00', 'orange3' => 'cd8500', 'orange4' => '8b5a00', 'orangered1' => 'ff4500', 'orangered2' => 'ee4000', 'orangered3' => 'cd3700', 'orangered4' => '8b2500', 'orchid' => 'da70d6', 'orchid1' => 'ff83fa', 'orchid2' => 'ee7ae9', 'orchid3' => 'cd69c9', 'orchid4' => '8b4789', 'pale' => 'db7093', 'palegoldenrod' => 'eee8aa', 'palegreen' => '98fb98', 'palegreen1' => '9aff9a', 'palegreen2' => '90ee90', 'palegreen3' => '7ccd7c', 'palegreen4' => '548b54', 'paleturquoise' => 'afeeee', 'paleturquoise1' => 'bbffff', 'paleturquoise2' => 'aeeeee', 'paleturquoise3' => '96cdcd', 'paleturquoise4' => '668b8b', 'palevioletred' => 'db7093', 'palevioletred1' => 'ff82ab', 'palevioletred2' => 'ee799f', 'palevioletred3' => 'cd6889', 'palevioletred4' => '8b475d', 'papayawhip' => 'ffefd5', 'peachpuff1' => 'ffdab9', 'peachpuff2' => 'eecbad', 'peachpuff3' => 'cdaf95', 'peachpuff4' => '8b7765', 'pink' => 'ffc0cb', 'pink1' => 'ffb5c5', 'pink2' => 'eea9b8', 'pink3' => 'cd919e', 'pink4' => '8b636c', 'plum' => 'dda0dd', 'plum1' => 'ffbbff', 'plum2' => 'eeaeee', 'plum3' => 'cd96cd', 'plum4' => '8b668b', 'powderblue' => 'b0e0e6', 'purple' => 'a020f0', 'rebeccapurple' => '663399', 'purple1' => '9b30ff', 'purple2' => '912cee', 'purple3' => '7d26cd', 'purple4' => '551a8b', 'red' => 'ff0000', 'red1' => 'ff0000', 'red2' => 'ee0000', 'red3' => 'cd0000', 'red4' => '8b0000', 'rosybrown' => 'bc8f8f', 'rosybrown1' => 'ffc1c1', 'rosybrown2' => 'eeb4b4', 'rosybrown3' => 'cd9b9b', 'rosybrown4' => '8b6969', 'royalblue' => '4169e1', 'royalblue1' => '4876ff', 'royalblue2' => '436eee', 'royalblue3' => '3a5fcd', 'royalblue4' => '27408b', 'saddlebrown' => '8b4513', 'salmon' => 'fa8072', 'salmon1' => 'ff8c69', 'salmon2' => 'ee8262', 'salmon3' => 'cd7054', 'salmon4' => '8b4c39', 'sandybrown' => 'f4a460', 'seagreen1' => '54ff9f', 'seagreen2' => '4eee94', 'seagreen3' => '43cd80', 'seagreen4' => '2e8b57', 'seashell1' => 'fff5ee', 'seashell2' => 'eee5de', 'seashell3' => 'cdc5bf', 'seashell4' => '8b8682', 'sienna' => 'a0522d', 'sienna1' => 'ff8247', 'sienna2' => 'ee7942', 'sienna3' => 'cd6839', 'sienna4' => '8b4726', 'silver' => 'c0c0c0', 'skyblue' => '87ceeb', 'skyblue1' => '87ceff', 'skyblue2' => '7ec0ee', 'skyblue3' => '6ca6cd', 'skyblue4' => '4a708b', 'slateblue' => '6a5acd', 'slateblue1' => '836fff', 'slateblue2' => '7a67ee', 'slateblue3' => '6959cd', 'slateblue4' => '473c8b', 'slategray' => '708090', 'slategray1' => 'c6e2ff', 'slategray2' => 'b9d3ee', 'slategray3' => '9fb6cd', 'slategray4' => '6c7b8b', 'snow1' => 'fffafa', 'snow2' => 'eee9e9', 'snow3' => 'cdc9c9', 'snow4' => '8b8989', 'springgreen1' => '00ff7f', 'springgreen2' => '00ee76', 'springgreen3' => '00cd66', 'springgreen4' => '008b45', 'steelblue' => '4682b4', 'steelblue1' => '63b8ff', 'steelblue2' => '5cacee', 'steelblue3' => '4f94cd', 'steelblue4' => '36648b', 'tan' => 'd2b48c', 'tan1' => 'ffa54f', 'tan2' => 'ee9a49', 'tan3' => 'cd853f', 'tan4' => '8b5a2b', 'teal' => '008080', 'thistle' => 'd8bfd8', 'thistle1' => 'ffe1ff', 'thistle2' => 'eed2ee', 'thistle3' => 'cdb5cd', 'thistle4' => '8b7b8b', 'tomato1' => 'ff6347', 'tomato2' => 'ee5c42', 'tomato3' => 'cd4f39', 'tomato4' => '8b3626', 'turquoise' => '40e0d0', 'turquoise1' => '00f5ff', 'turquoise2' => '00e5ee', 'turquoise3' => '00c5cd', 'turquoise4' => '00868b', 'violet' => 'ee82ee', 'violetred' => 'd02090', 'violetred1' => 'ff3e96', 'violetred2' => 'ee3a8c', 'violetred3' => 'cd3278', 'violetred4' => '8b2252', 'wheat' => 'f5deb3', 'wheat1' => 'ffe7ba', 'wheat2' => 'eed8ae', 'wheat3' => 'cdba96', 'wheat4' => '8b7e66', 'white' => 'ffffff', 'whitesmoke' => 'f5f5f5', 'yellow' => 'ffff00', 'yellow1' => 'ffff00', 'yellow2' => 'eeee00', 'yellow3' => 'cdcd00', 'yellow4' => '8b8b00', 'yellowgreen' => '9acd32', ); protected $face; protected $size; protected $color; protected $bold = false; protected $italic = false; protected $underline = false; protected $superscript = false; protected $subscript = false; protected $strikethrough = false; protected $startTagCallbacks = array( 'font' => 'startFontTag', 'b' => 'startBoldTag', 'strong' => 'startBoldTag', 'i' => 'startItalicTag', 'em' => 'startItalicTag', 'u' => 'startUnderlineTag', 'ins' => 'startUnderlineTag', 'del' => 'startStrikethruTag', 'sup' => 'startSuperscriptTag', 'sub' => 'startSubscriptTag', ); protected $endTagCallbacks = array( 'font' => 'endFontTag', 'b' => 'endBoldTag', 'strong' => 'endBoldTag', 'i' => 'endItalicTag', 'em' => 'endItalicTag', 'u' => 'endUnderlineTag', 'ins' => 'endUnderlineTag', 'del' => 'endStrikethruTag', 'sup' => 'endSuperscriptTag', 'sub' => 'endSubscriptTag', 'br' => 'breakTag', 'p' => 'breakTag', 'h1' => 'breakTag', 'h2' => 'breakTag', 'h3' => 'breakTag', 'h4' => 'breakTag', 'h5' => 'breakTag', 'h6' => 'breakTag', ); protected $stack = array(); protected $stringData = ''; protected $richTextObject; protected function initialise() { $this->face = $this->size = $this->color = null; $this->bold = $this->italic = $this->underline = $this->superscript = $this->subscript = $this->strikethrough = false; $this->stack = array(); $this->stringData = ''; } public function toRichTextObject($html) { $this->initialise(); // Create a new DOM object $dom = new \DOMDocument; // Load the HTML file into the DOM object // Note the use of error suppression, because typically this will be an html fragment, so not fully valid markup $loaded = @$dom->loadHTML($html); // Discard excess white space $dom->preserveWhiteSpace = false; $this->richTextObject = new PHPExcel_RichText();; $this->parseElements($dom); // Clean any further spurious whitespace $this->cleanWhitespace(); return $this->richTextObject; } protected function cleanWhitespace() { foreach ($this->richTextObject->getRichTextElements() as $key => $element) { $text = $element->getText(); // Trim any leading spaces on the first run if ($key == 0) { $text = ltrim($text); } // Trim any spaces immediately after a line break $text = preg_replace('/\n */mu', "\n", $text); $element->setText($text); } } protected function buildTextRun() { $text = $this->stringData; if (trim($text) === '') { return; } $richtextRun = $this->richTextObject->createTextRun($this->stringData); if ($this->face) { $richtextRun->getFont()->setName($this->face); } if ($this->size) { $richtextRun->getFont()->setSize($this->size); } if ($this->color) { $richtextRun->getFont()->setColor(new PHPExcel_Style_Color('ff' . $this->color)); } if ($this->bold) { $richtextRun->getFont()->setBold(true); } if ($this->italic) { $richtextRun->getFont()->setItalic(true); } if ($this->underline) { $richtextRun->getFont()->setUnderline(PHPExcel_Style_Font::UNDERLINE_SINGLE); } if ($this->superscript) { $richtextRun->getFont()->setSuperScript(true); } if ($this->subscript) { $richtextRun->getFont()->setSubScript(true); } if ($this->strikethrough) { $richtextRun->getFont()->setStrikethrough(true); } $this->stringData = ''; } protected function rgbToColour($rgb) { preg_match_all('/\d+/', $rgb, $values); foreach ($values[0] as &$value) { $value = str_pad(dechex($value), 2, '0', STR_PAD_LEFT); } return implode($values[0]); } protected function colourNameLookup($rgb) { return self::$colourMap[$rgb]; } protected function startFontTag($tag) { foreach ($tag->attributes as $attribute) { $attributeName = strtolower($attribute->name); $attributeValue = $attribute->value; if ($attributeName == 'color') { if (preg_match('/rgb\s*\(/', $attributeValue)) { $this->$attributeName = $this->rgbToColour($attributeValue); } elseif (strpos(trim($attributeValue), '#') === 0) { $this->$attributeName = ltrim($attributeValue, '#'); } else { $this->$attributeName = $this->colourNameLookup($attributeValue); } } else { $this->$attributeName = $attributeValue; } } } protected function endFontTag() { $this->face = $this->size = $this->color = null; } protected function startBoldTag() { $this->bold = true; } protected function endBoldTag() { $this->bold = false; } protected function startItalicTag() { $this->italic = true; } protected function endItalicTag() { $this->italic = false; } protected function startUnderlineTag() { $this->underline = true; } protected function endUnderlineTag() { $this->underline = false; } protected function startSubscriptTag() { $this->subscript = true; } protected function endSubscriptTag() { $this->subscript = false; } protected function startSuperscriptTag() { $this->superscript = true; } protected function endSuperscriptTag() { $this->superscript = false; } protected function startStrikethruTag() { $this->strikethrough = true; } protected function endStrikethruTag() { $this->strikethrough = false; } protected function breakTag() { $this->stringData .= "\n"; } protected function parseTextNode(DOMText $textNode) { $domText = preg_replace( '/\s+/u', ' ', str_replace(array("\r", "\n"), ' ', $textNode->nodeValue) ); $this->stringData .= $domText; $this->buildTextRun(); } protected function handleCallback($element, $callbackTag, $callbacks) { if (isset($callbacks[$callbackTag])) { $elementHandler = $callbacks[$callbackTag]; if (method_exists($this, $elementHandler)) { call_user_func(array($this, $elementHandler), $element); } } } protected function parseElementNode(DOMElement $element) { $callbackTag = strtolower($element->nodeName); $this->stack[] = $callbackTag; $this->handleCallback($element, $callbackTag, $this->startTagCallbacks); $this->parseElements($element); array_pop($this->stack); $this->handleCallback($element, $callbackTag, $this->endTagCallbacks); } protected function parseElements(DOMNode $element) { foreach ($element->childNodes as $child) { if ($child instanceof DOMText) { $this->parseTextNode($child); } elseif ($child instanceof DOMElement) { $this->parseElementNode($child); } } } }