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class.csstidy_optimise.php
992 lines
| 1 | <?php |
| 2 | namespace MailPoetVendor; |
| 3 | if (!defined('ABSPATH')) exit; |
| 4 | class csstidy_optimise |
| 5 | { |
| 6 | public $parser; |
| 7 | public $css; |
| 8 | public $sub_value; |
| 9 | public $at; |
| 10 | public $selector; |
| 11 | public $property; |
| 12 | public $value; |
| 13 | public function __construct($css) |
| 14 | { |
| 15 | $this->parser = $css; |
| 16 | $this->css =& $css->css; |
| 17 | $this->sub_value =& $css->sub_value; |
| 18 | $this->at =& $css->at; |
| 19 | $this->selector =& $css->selector; |
| 20 | $this->property =& $css->property; |
| 21 | $this->value =& $css->value; |
| 22 | } |
| 23 | public function postparse() |
| 24 | { |
| 25 | if ($this->parser->get_cfg('reverse_left_and_right') > 0) { |
| 26 | foreach ($this->css as $medium => $selectors) { |
| 27 | if (\is_array($selectors)) { |
| 28 | foreach ($selectors as $selector => $properties) { |
| 29 | $this->css[$medium][$selector] = $this->reverse_left_and_right($this->css[$medium][$selector]); |
| 30 | } |
| 31 | } |
| 32 | } |
| 33 | } |
| 34 | if ($this->parser->get_cfg('preserve_css')) { |
| 35 | return; |
| 36 | } |
| 37 | if ((int) $this->parser->get_cfg('merge_selectors') === 2) { |
| 38 | foreach ($this->css as $medium => $value) { |
| 39 | if (\is_array($value)) { |
| 40 | $this->merge_selectors($this->css[$medium]); |
| 41 | } |
| 42 | } |
| 43 | } |
| 44 | if ($this->parser->get_cfg('discard_invalid_selectors')) { |
| 45 | foreach ($this->css as $medium => $value) { |
| 46 | if (\is_array($value)) { |
| 47 | $this->discard_invalid_selectors($this->css[$medium]); |
| 48 | } |
| 49 | } |
| 50 | } |
| 51 | if ($this->parser->get_cfg('optimise_shorthands') > 0) { |
| 52 | foreach ($this->css as $medium => $value) { |
| 53 | if (\is_array($value)) { |
| 54 | foreach ($value as $selector => $value1) { |
| 55 | $this->css[$medium][$selector] = $this->merge_4value_shorthands($this->css[$medium][$selector]); |
| 56 | $this->css[$medium][$selector] = $this->merge_4value_radius_shorthands($this->css[$medium][$selector]); |
| 57 | if ($this->parser->get_cfg('optimise_shorthands') < 2) { |
| 58 | continue; |
| 59 | } |
| 60 | $this->css[$medium][$selector] = $this->merge_font($this->css[$medium][$selector]); |
| 61 | if ($this->parser->get_cfg('optimise_shorthands') < 3) { |
| 62 | continue; |
| 63 | } |
| 64 | $this->css[$medium][$selector] = $this->merge_bg($this->css[$medium][$selector]); |
| 65 | if (empty($this->css[$medium][$selector])) { |
| 66 | unset($this->css[$medium][$selector]); |
| 67 | } |
| 68 | } |
| 69 | } |
| 70 | } |
| 71 | } |
| 72 | } |
| 73 | public function value() |
| 74 | { |
| 75 | $shorthands =& $this->parser->data['csstidy']['shorthands']; |
| 76 | // optimise shorthand properties |
| 77 | if (isset($shorthands[$this->property])) { |
| 78 | $temp = $this->shorthand($this->value); |
| 79 | // FIXME - move |
| 80 | if ($temp != $this->value) { |
| 81 | $this->parser->log('Optimised shorthand notation (' . $this->property . '): Changed "' . $this->value . '" to "' . $temp . '"', 'Information'); |
| 82 | } |
| 83 | $this->value = $temp; |
| 84 | } |
| 85 | // Remove whitespace at ! important |
| 86 | if ($this->value != $this->compress_important($this->value)) { |
| 87 | $this->parser->log('Optimised !important', 'Information'); |
| 88 | } |
| 89 | } |
| 90 | public function shorthands() |
| 91 | { |
| 92 | $shorthands =& $this->parser->data['csstidy']['shorthands']; |
| 93 | if (!$this->parser->get_cfg('optimise_shorthands') || $this->parser->get_cfg('preserve_css')) { |
| 94 | return; |
| 95 | } |
| 96 | if ($this->property === 'font' && $this->parser->get_cfg('optimise_shorthands') > 1) { |
| 97 | $this->css[$this->at][$this->selector]['font'] = ''; |
| 98 | $this->parser->merge_css_blocks($this->at, $this->selector, $this->dissolve_short_font($this->value)); |
| 99 | } |
| 100 | if ($this->property === 'background' && $this->parser->get_cfg('optimise_shorthands') > 2) { |
| 101 | $this->css[$this->at][$this->selector]['background'] = ''; |
| 102 | $this->parser->merge_css_blocks($this->at, $this->selector, $this->dissolve_short_bg($this->value)); |
| 103 | } |
| 104 | if (isset($shorthands[$this->property])) { |
| 105 | $this->parser->merge_css_blocks($this->at, $this->selector, $this->dissolve_4value_shorthands($this->property, $this->value)); |
| 106 | if (\is_array($shorthands[$this->property])) { |
| 107 | $this->css[$this->at][$this->selector][$this->property] = ''; |
| 108 | } |
| 109 | } |
| 110 | } |
| 111 | public function subvalue() |
| 112 | { |
| 113 | $replace_colors =& $this->parser->data['csstidy']['replace_colors']; |
| 114 | $this->sub_value = \trim($this->sub_value); |
| 115 | if ($this->sub_value == '') { |
| 116 | // caution : '0' |
| 117 | return; |
| 118 | } |
| 119 | $important = ''; |
| 120 | if ($this->parser->is_important($this->sub_value)) { |
| 121 | $important = '!important'; |
| 122 | } |
| 123 | $this->sub_value = $this->parser->gvw_important($this->sub_value); |
| 124 | // Compress font-weight |
| 125 | if ($this->property === 'font-weight' && $this->parser->get_cfg('compress_font-weight')) { |
| 126 | if ($this->sub_value === 'bold') { |
| 127 | $this->sub_value = '700'; |
| 128 | $this->parser->log('Optimised font-weight: Changed "bold" to "700"', 'Information'); |
| 129 | } elseif ($this->sub_value === 'normal') { |
| 130 | $this->sub_value = '400'; |
| 131 | $this->parser->log('Optimised font-weight: Changed "normal" to "400"', 'Information'); |
| 132 | } |
| 133 | } |
| 134 | $temp = $this->compress_numbers($this->sub_value); |
| 135 | if (\strcasecmp($temp, $this->sub_value) !== 0) { |
| 136 | if (\strlen($temp) > \strlen($this->sub_value)) { |
| 137 | $this->parser->log('Fixed invalid number: Changed "' . $this->sub_value . '" to "' . $temp . '"', 'Warning'); |
| 138 | } else { |
| 139 | $this->parser->log('Optimised number: Changed "' . $this->sub_value . '" to "' . $temp . '"', 'Information'); |
| 140 | } |
| 141 | $this->sub_value = $temp; |
| 142 | } |
| 143 | if ($this->parser->get_cfg('compress_colors')) { |
| 144 | $temp = $this->cut_color($this->sub_value); |
| 145 | if ($temp !== $this->sub_value) { |
| 146 | if (isset($replace_colors[$this->sub_value])) { |
| 147 | $this->parser->log('Fixed invalid color name: Changed "' . $this->sub_value . '" to "' . $temp . '"', 'Warning'); |
| 148 | } else { |
| 149 | $this->parser->log('Optimised color: Changed "' . $this->sub_value . '" to "' . $temp . '"', 'Information'); |
| 150 | } |
| 151 | $this->sub_value = $temp; |
| 152 | } |
| 153 | } |
| 154 | $this->sub_value .= $important; |
| 155 | } |
| 156 | public function shorthand($value) |
| 157 | { |
| 158 | $important = ''; |
| 159 | if ($this->parser->is_important($value)) { |
| 160 | $values = $this->parser->gvw_important($value); |
| 161 | $important = '!important'; |
| 162 | } else { |
| 163 | $values = $value; |
| 164 | } |
| 165 | $values = \explode(' ', $values); |
| 166 | switch (\count($values)) { |
| 167 | case 4: |
| 168 | if ($values[0] == $values[1] && $values[0] == $values[2] && $values[0] == $values[3]) { |
| 169 | return $values[0] . $important; |
| 170 | } elseif ($values[1] == $values[3] && $values[0] == $values[2]) { |
| 171 | return $values[0] . ' ' . $values[1] . $important; |
| 172 | } elseif ($values[1] == $values[3]) { |
| 173 | return $values[0] . ' ' . $values[1] . ' ' . $values[2] . $important; |
| 174 | } |
| 175 | break; |
| 176 | case 3: |
| 177 | if ($values[0] == $values[1] && $values[0] == $values[2]) { |
| 178 | return $values[0] . $important; |
| 179 | } elseif ($values[0] == $values[2]) { |
| 180 | return $values[0] . ' ' . $values[1] . $important; |
| 181 | } |
| 182 | break; |
| 183 | case 2: |
| 184 | if ($values[0] == $values[1]) { |
| 185 | return $values[0] . $important; |
| 186 | } |
| 187 | break; |
| 188 | } |
| 189 | return $value; |
| 190 | } |
| 191 | public function compress_important(&$string) |
| 192 | { |
| 193 | if ($this->parser->is_important($string)) { |
| 194 | $important = $this->parser->get_cfg('space_before_important') ? ' !important' : '!important'; |
| 195 | $string = $this->parser->gvw_important($string) . $important; |
| 196 | } |
| 197 | return $string; |
| 198 | } |
| 199 | public function cut_color($color) |
| 200 | { |
| 201 | $replace_colors =& $this->parser->data['csstidy']['replace_colors']; |
| 202 | // if it's a string, don't touch ! |
| 203 | if (\strncmp($color, "'", 1) == 0 || \strncmp($color, '"', 1) == 0) { |
| 204 | return $color; |
| 205 | } |
| 206 | if (\strpos($color, '(') !== \false && (\strncasecmp($color, 'rgb(', 4) !== 0 and \strncasecmp($color, 'rgba(', 5) !== 0)) { |
| 207 | // on ne touche pas aux couleurs dans les expression ms, c'est trop sensible |
| 208 | if (\stripos($color, 'progid:') !== \false) { |
| 209 | return $color; |
| 210 | } |
| 211 | \preg_match_all(",rgba?\\([^)]+\\),i", $color, $matches, \PREG_SET_ORDER); |
| 212 | if (\count($matches)) { |
| 213 | foreach ($matches as $m) { |
| 214 | $color = \str_replace($m[0], $this->cut_color($m[0]), $color); |
| 215 | } |
| 216 | } |
| 217 | \preg_match_all(",#[0-9a-f]{6}(?=[^0-9a-f]),i", $color, $matches, \PREG_SET_ORDER); |
| 218 | if (\count($matches)) { |
| 219 | foreach ($matches as $m) { |
| 220 | $color = \str_replace($m[0], $this->cut_color($m[0]), $color); |
| 221 | } |
| 222 | } |
| 223 | return $color; |
| 224 | } |
| 225 | // rgb(0,0,0) -> #000000 (or #000 in this case later) |
| 226 | if (\strncasecmp($color, 'rgb(', 4) == 0 and \strpos($color, '(', 4) === \false or \strncasecmp($color, 'rgba(', 5) == 0 and \strpos($color, '(', 5) === \false) { |
| 227 | $color_tmp = \explode('(', $color, 2); |
| 228 | $color_tmp = \rtrim(\end($color_tmp), ')'); |
| 229 | if (\strpos($color_tmp, '/') !== \false) { |
| 230 | $color_tmp = \explode('/', $color_tmp, 2); |
| 231 | $color_parts = \explode(' ', \trim(\reset($color_tmp)), 3); |
| 232 | while (\count($color_parts) < 3) { |
| 233 | $color_parts[] = 0; |
| 234 | } |
| 235 | $color_parts[] = \end($color_tmp); |
| 236 | } else { |
| 237 | $color_parts = \explode(',', $color_tmp, 4); |
| 238 | } |
| 239 | for ($i = 0; $i < \count($color_parts); $i++) { |
| 240 | $color_parts[$i] = \trim($color_parts[$i]); |
| 241 | if (\substr($color_parts[$i], -1) === '%') { |
| 242 | $color_parts[$i] = \round(255 * \intval($color_parts[$i]) / 100); |
| 243 | } elseif ($i > 2) { |
| 244 | // 4th argument is alpga layer between 0 and 1 (if not %) |
| 245 | $color_parts[$i] = \round(255 * \floatval($color_parts[$i])); |
| 246 | } |
| 247 | $color_parts[$i] = \intval($color_parts[$i]); |
| 248 | if ($color_parts[$i] > 255) { |
| 249 | $color_parts[$i] = 255; |
| 250 | } |
| 251 | } |
| 252 | $color = '#'; |
| 253 | // 3 or 4 parts depending on alpha layer |
| 254 | $nb = \min(\max(\count($color_parts), 3), 4); |
| 255 | for ($i = 0; $i < $nb; $i++) { |
| 256 | if (!isset($color_parts[$i])) { |
| 257 | $color_parts[$i] = 0; |
| 258 | } |
| 259 | if ($color_parts[$i] < 16) { |
| 260 | $color .= '0' . \dechex($color_parts[$i]); |
| 261 | } else { |
| 262 | $color .= \dechex($color_parts[$i]); |
| 263 | } |
| 264 | } |
| 265 | } |
| 266 | // Fix bad color names |
| 267 | if (isset($replace_colors[\strtolower($color)])) { |
| 268 | $color = $replace_colors[\strtolower($color)]; |
| 269 | } |
| 270 | // #aabbcc -> #abc |
| 271 | if (\strlen($color) == 7) { |
| 272 | $color_temp = \strtolower($color); |
| 273 | if ($color_temp[0] === '#' && $color_temp[1] == $color_temp[2] && $color_temp[3] == $color_temp[4] && $color_temp[5] == $color_temp[6]) { |
| 274 | $color = '#' . $color[1] . $color[3] . $color[5]; |
| 275 | } |
| 276 | } elseif (\strlen($color) == 9) { |
| 277 | $color_temp = \strtolower($color); |
| 278 | if ($color_temp[0] === '#' && $color_temp[1] == $color_temp[2] && $color_temp[3] == $color_temp[4] && $color_temp[5] == $color_temp[6] && $color_temp[7] == $color_temp[8]) { |
| 279 | $color = '#' . $color[1] . $color[3] . $color[5] . $color[7]; |
| 280 | } |
| 281 | } |
| 282 | switch (\strtolower($color)) { |
| 283 | case 'black': |
| 284 | return '#000'; |
| 285 | case 'fuchsia': |
| 286 | return '#f0f'; |
| 287 | case 'white': |
| 288 | return '#fff'; |
| 289 | case 'yellow': |
| 290 | return '#ff0'; |
| 291 | case '#800000': |
| 292 | return 'maroon'; |
| 293 | case '#ffa500': |
| 294 | return 'orange'; |
| 295 | case '#808000': |
| 296 | return 'olive'; |
| 297 | case '#800080': |
| 298 | return 'purple'; |
| 299 | case '#008000': |
| 300 | return 'green'; |
| 301 | case '#000080': |
| 302 | return 'navy'; |
| 303 | case '#008080': |
| 304 | return 'teal'; |
| 305 | case '#c0c0c0': |
| 306 | return 'silver'; |
| 307 | case '#808080': |
| 308 | return 'gray'; |
| 309 | case '#f00': |
| 310 | return 'red'; |
| 311 | } |
| 312 | return $color; |
| 313 | } |
| 314 | public function compress_numbers($subvalue) |
| 315 | { |
| 316 | $unit_values =& $this->parser->data['csstidy']['unit_values']; |
| 317 | $color_values =& $this->parser->data['csstidy']['color_values']; |
| 318 | // for font:1em/1em sans-serif...; |
| 319 | if ($this->property === 'font') { |
| 320 | $temp = \explode('/', $subvalue); |
| 321 | } else { |
| 322 | $temp = array($subvalue); |
| 323 | } |
| 324 | for ($l = 0; $l < \count($temp); $l++) { |
| 325 | // if we are not dealing with a number at this point, do not optimise anything |
| 326 | $number = $this->AnalyseCssNumber($temp[$l]); |
| 327 | if ($number === \false) { |
| 328 | return $subvalue; |
| 329 | } |
| 330 | // Fix bad colors |
| 331 | if (\in_array($this->property, $color_values)) { |
| 332 | $temp[$l] = '#' . $temp[$l]; |
| 333 | continue; |
| 334 | } |
| 335 | if (\abs($number[0]) > 0) { |
| 336 | if ($number[1] == '' && \in_array($this->property, $unit_values, \true)) { |
| 337 | $number[1] = 'px'; |
| 338 | } |
| 339 | } elseif ($number[1] != 's' && $number[1] != 'ms') { |
| 340 | $number[1] = ''; |
| 341 | } |
| 342 | $temp[$l] = $number[0] . $number[1]; |
| 343 | } |
| 344 | return \count($temp) > 1 ? $temp[0] . '/' . $temp[1] : $temp[0]; |
| 345 | } |
| 346 | public function AnalyseCssNumber($string) |
| 347 | { |
| 348 | // most simple checks first |
| 349 | if (\strlen($string) == 0 || \ctype_alpha($string[0])) { |
| 350 | return \false; |
| 351 | } |
| 352 | $units =& $this->parser->data['csstidy']['units']; |
| 353 | $return = array(0, ''); |
| 354 | $return[0] = \floatval($string); |
| 355 | if (\abs($return[0]) > 0 && \abs($return[0]) < 1) { |
| 356 | if ($return[0] < 0) { |
| 357 | $return[0] = '-' . \ltrim(\substr($return[0], 1), '0'); |
| 358 | } else { |
| 359 | $return[0] = \ltrim($return[0], '0'); |
| 360 | } |
| 361 | } |
| 362 | // Look for unit and split from value if exists |
| 363 | foreach ($units as $unit) { |
| 364 | $expectUnitAt = \strlen($string) - \strlen($unit); |
| 365 | if (!($unitInString = \stristr($string, $unit))) { |
| 366 | // mb_strpos() fails with "false" |
| 367 | continue; |
| 368 | } |
| 369 | $actualPosition = \strpos($string, $unitInString); |
| 370 | if ($expectUnitAt === $actualPosition) { |
| 371 | $return[1] = $unit; |
| 372 | $string = \substr($string, 0, -\strlen($unit)); |
| 373 | break; |
| 374 | } |
| 375 | } |
| 376 | if (!\is_numeric($string)) { |
| 377 | return \false; |
| 378 | } |
| 379 | return $return; |
| 380 | } |
| 381 | public function merge_selectors(&$array) |
| 382 | { |
| 383 | $css = $array; |
| 384 | foreach ($css as $key => $value) { |
| 385 | if (!isset($css[$key])) { |
| 386 | continue; |
| 387 | } |
| 388 | $newsel = ''; |
| 389 | // Check if properties also exist in another selector |
| 390 | $keys = array(); |
| 391 | // PHP bug (?) without $css = $array; here |
| 392 | foreach ($css as $selector => $vali) { |
| 393 | if ($selector == $key) { |
| 394 | continue; |
| 395 | } |
| 396 | if ($css[$key] === $vali) { |
| 397 | $keys[] = $selector; |
| 398 | } |
| 399 | } |
| 400 | if (!empty($keys)) { |
| 401 | $newsel = $key; |
| 402 | unset($css[$key]); |
| 403 | foreach ($keys as $selector) { |
| 404 | unset($css[$selector]); |
| 405 | $newsel .= ',' . $selector; |
| 406 | } |
| 407 | $css[$newsel] = $value; |
| 408 | } |
| 409 | } |
| 410 | $array = $css; |
| 411 | } |
| 412 | public function discard_invalid_selectors(&$array) |
| 413 | { |
| 414 | $invalid = array('+' => \true, '~' => \true, ',' => \true, '>' => \true); |
| 415 | foreach ($array as $selector => $decls) { |
| 416 | $ok = \true; |
| 417 | $selectors = \array_map('trim', \explode(',', $selector)); |
| 418 | foreach ($selectors as $s) { |
| 419 | $simple_selectors = \preg_split('/\\s*[+>~\\s]\\s*/', $s); |
| 420 | foreach ($simple_selectors as $ss) { |
| 421 | if ($ss === '') { |
| 422 | $ok = \false; |
| 423 | } |
| 424 | // could also check $ss for internal structure, |
| 425 | // but that probably would be too slow |
| 426 | } |
| 427 | } |
| 428 | if (!$ok) { |
| 429 | unset($array[$selector]); |
| 430 | } |
| 431 | } |
| 432 | } |
| 433 | public function dissolve_4value_shorthands($property, $value, $shorthands = null) |
| 434 | { |
| 435 | if (\is_null($shorthands)) { |
| 436 | $shorthands =& $this->parser->data['csstidy']['shorthands']; |
| 437 | } |
| 438 | if (!\is_array($shorthands[$property])) { |
| 439 | $return[$property] = $value; |
| 440 | return $return; |
| 441 | } |
| 442 | $important = ''; |
| 443 | if ($this->parser->is_important($value)) { |
| 444 | $value = $this->parser->gvw_important($value); |
| 445 | $important = '!important'; |
| 446 | } |
| 447 | $values = \explode(' ', $value); |
| 448 | $return = array(); |
| 449 | if (\count($values) == 4) { |
| 450 | for ($i = 0; $i < 4; $i++) { |
| 451 | $return[$shorthands[$property][$i]] = $values[$i] . $important; |
| 452 | } |
| 453 | } elseif (\count($values) == 3) { |
| 454 | $return[$shorthands[$property][0]] = $values[0] . $important; |
| 455 | $return[$shorthands[$property][1]] = $values[1] . $important; |
| 456 | $return[$shorthands[$property][3]] = $values[1] . $important; |
| 457 | $return[$shorthands[$property][2]] = $values[2] . $important; |
| 458 | } elseif (\count($values) == 2) { |
| 459 | for ($i = 0; $i < 4; $i++) { |
| 460 | $return[$shorthands[$property][$i]] = $i % 2 != 0 ? $values[1] . $important : $values[0] . $important; |
| 461 | } |
| 462 | } else { |
| 463 | for ($i = 0; $i < 4; $i++) { |
| 464 | $return[$shorthands[$property][$i]] = $values[0] . $important; |
| 465 | } |
| 466 | } |
| 467 | return $return; |
| 468 | } |
| 469 | public function dissolve_4value_radius_shorthands($property, $value) |
| 470 | { |
| 471 | $shorthands =& $this->parser->data['csstidy']['radius_shorthands']; |
| 472 | if (!\is_array($shorthands[$property])) { |
| 473 | $return[$property] = $value; |
| 474 | return $return; |
| 475 | } |
| 476 | if (\strpos($value, '/') !== \false) { |
| 477 | $values = $this->explode_ws('/', $value); |
| 478 | if (\count($values) == 2) { |
| 479 | $r[0] = $this->dissolve_4value_shorthands($property, \trim($values[0]), $shorthands); |
| 480 | $r[1] = $this->dissolve_4value_shorthands($property, \trim($values[1]), $shorthands); |
| 481 | $return = array(); |
| 482 | foreach ($r[0] as $p => $v) { |
| 483 | $return[$p] = $v; |
| 484 | if ($r[1][$p] !== $v) { |
| 485 | $return[$p] .= ' ' . $r[1][$p]; |
| 486 | } |
| 487 | } |
| 488 | return $return; |
| 489 | } |
| 490 | } |
| 491 | $return = $this->dissolve_4value_shorthands($property, $value, $shorthands); |
| 492 | return $return; |
| 493 | } |
| 494 | public function explode_ws($sep, $string, $explode_in_parenthesis = \false) |
| 495 | { |
| 496 | $status = 'st'; |
| 497 | $to = ''; |
| 498 | $output = array(0 => ''); |
| 499 | $num = 0; |
| 500 | for ($i = 0, $len = \strlen($string); $i < $len; $i++) { |
| 501 | switch ($status) { |
| 502 | case 'st': |
| 503 | if ($string[$i] == $sep && !$this->parser->escaped($string, $i)) { |
| 504 | ++$num; |
| 505 | } elseif ($string[$i] === '"' || $string[$i] === '\'' || !$explode_in_parenthesis && $string[$i] === '(' && !$this->parser->escaped($string, $i)) { |
| 506 | $status = 'str'; |
| 507 | $to = $string[$i] === '(' ? ')' : $string[$i]; |
| 508 | isset($output[$num]) ? $output[$num] .= $string[$i] : ($output[$num] = $string[$i]); |
| 509 | } else { |
| 510 | isset($output[$num]) ? $output[$num] .= $string[$i] : ($output[$num] = $string[$i]); |
| 511 | } |
| 512 | break; |
| 513 | case 'str': |
| 514 | if ($string[$i] == $to && !$this->parser->escaped($string, $i)) { |
| 515 | $status = 'st'; |
| 516 | } |
| 517 | isset($output[$num]) ? $output[$num] .= $string[$i] : ($output[$num] = $string[$i]); |
| 518 | break; |
| 519 | } |
| 520 | } |
| 521 | return $output; |
| 522 | } |
| 523 | public function merge_4value_shorthands($array, $shorthands = null) |
| 524 | { |
| 525 | $return = $array; |
| 526 | if (\is_null($shorthands)) { |
| 527 | $shorthands =& $this->parser->data['csstidy']['shorthands']; |
| 528 | } |
| 529 | foreach ($shorthands as $key => $value) { |
| 530 | if ($value !== 0 && isset($array[$value[0]]) && isset($array[$value[1]]) && isset($array[$value[2]]) && isset($array[$value[3]])) { |
| 531 | $return[$key] = ''; |
| 532 | $important = ''; |
| 533 | for ($i = 0; $i < 4; $i++) { |
| 534 | $val = $array[$value[$i]]; |
| 535 | if ($this->parser->is_important($val)) { |
| 536 | $important = '!important'; |
| 537 | $return[$key] .= $this->parser->gvw_important($val) . ' '; |
| 538 | } else { |
| 539 | $return[$key] .= $val . ' '; |
| 540 | } |
| 541 | unset($return[$value[$i]]); |
| 542 | } |
| 543 | $return[$key] = $this->shorthand(\trim($return[$key] . $important)); |
| 544 | } |
| 545 | } |
| 546 | return $return; |
| 547 | } |
| 548 | public function merge_4value_radius_shorthands($array) |
| 549 | { |
| 550 | $return = $array; |
| 551 | $shorthands =& $this->parser->data['csstidy']['radius_shorthands']; |
| 552 | foreach ($shorthands as $key => $value) { |
| 553 | if (isset($array[$value[0]]) && isset($array[$value[1]]) && isset($array[$value[2]]) && isset($array[$value[3]]) && $value !== 0) { |
| 554 | $return[$key] = ''; |
| 555 | $a = array(); |
| 556 | for ($i = 0; $i < 4; $i++) { |
| 557 | $v = $this->explode_ws(' ', \trim($array[$value[$i]])); |
| 558 | $a[0][$value[$i]] = \reset($v); |
| 559 | $a[1][$value[$i]] = \end($v); |
| 560 | } |
| 561 | $r = array(); |
| 562 | $r[0] = $this->merge_4value_shorthands($a[0], $shorthands); |
| 563 | $r[1] = $this->merge_4value_shorthands($a[1], $shorthands); |
| 564 | if (isset($r[0][$key]) and isset($r[1][$key])) { |
| 565 | $return[$key] = $r[0][$key]; |
| 566 | if ($r[1][$key] !== $r[0][$key]) { |
| 567 | $return[$key] .= ' / ' . $r[1][$key]; |
| 568 | } |
| 569 | for ($i = 0; $i < 4; $i++) { |
| 570 | unset($return[$value[$i]]); |
| 571 | } |
| 572 | } |
| 573 | } |
| 574 | } |
| 575 | return $return; |
| 576 | } |
| 577 | public function dissolve_short_bg($str_value) |
| 578 | { |
| 579 | // don't try to explose background gradient ! |
| 580 | if (\stripos($str_value, 'gradient(') !== \false) { |
| 581 | return array('background' => $str_value); |
| 582 | } |
| 583 | $background_prop_default =& $this->parser->data['csstidy']['background_prop_default']; |
| 584 | $repeat = array('repeat', 'repeat-x', 'repeat-y', 'no-repeat', 'space'); |
| 585 | $attachment = array('scroll', 'fixed', 'local'); |
| 586 | $clip = array('border', 'padding'); |
| 587 | $origin = array('border', 'padding', 'content'); |
| 588 | $pos = array('top', 'center', 'bottom', 'left', 'right'); |
| 589 | $important = ''; |
| 590 | $return = array('background-image' => null, 'background-size' => null, 'background-repeat' => null, 'background-position' => null, 'background-attachment' => null, 'background-clip' => null, 'background-origin' => null, 'background-color' => null); |
| 591 | if ($this->parser->is_important($str_value)) { |
| 592 | $important = ' !important'; |
| 593 | $str_value = $this->parser->gvw_important($str_value); |
| 594 | } |
| 595 | $str_value = $this->explode_ws(',', $str_value); |
| 596 | for ($i = 0; $i < \count($str_value); $i++) { |
| 597 | $have['clip'] = \false; |
| 598 | $have['pos'] = \false; |
| 599 | $have['color'] = \false; |
| 600 | $have['bg'] = \false; |
| 601 | if (\is_array($str_value[$i])) { |
| 602 | $str_value[$i] = $str_value[$i][0]; |
| 603 | } |
| 604 | $str_value[$i] = $this->explode_ws(' ', \trim($str_value[$i])); |
| 605 | for ($j = 0; $j < \count($str_value[$i]); $j++) { |
| 606 | if ($have['bg'] === \false && (\substr($str_value[$i][$j], 0, 4) === 'url(' || $str_value[$i][$j] === 'none')) { |
| 607 | $return['background-image'] .= $str_value[$i][$j] . ','; |
| 608 | $have['bg'] = \true; |
| 609 | } elseif (\in_array($str_value[$i][$j], $repeat, \true)) { |
| 610 | $return['background-repeat'] .= $str_value[$i][$j] . ','; |
| 611 | } elseif (\in_array($str_value[$i][$j], $attachment, \true)) { |
| 612 | $return['background-attachment'] .= $str_value[$i][$j] . ','; |
| 613 | } elseif (\in_array($str_value[$i][$j], $clip, \true) && !$have['clip']) { |
| 614 | $return['background-clip'] .= $str_value[$i][$j] . ','; |
| 615 | $have['clip'] = \true; |
| 616 | } elseif (\in_array($str_value[$i][$j], $origin, \true)) { |
| 617 | $return['background-origin'] .= $str_value[$i][$j] . ','; |
| 618 | } elseif ($str_value[$i][$j][0] === '(') { |
| 619 | $return['background-size'] .= \substr($str_value[$i][$j], 1, -1) . ','; |
| 620 | } elseif (\in_array($str_value[$i][$j], $pos, \true) || \is_numeric($str_value[$i][$j][0]) || $str_value[$i][$j][0] === null || $str_value[$i][$j][0] === '-' || $str_value[$i][$j][0] === '.') { |
| 621 | $return['background-position'] .= $str_value[$i][$j]; |
| 622 | if (!$have['pos']) { |
| 623 | $return['background-position'] .= ' '; |
| 624 | } else { |
| 625 | $return['background-position'] .= ','; |
| 626 | } |
| 627 | $have['pos'] = \true; |
| 628 | } elseif (!$have['color']) { |
| 629 | $return['background-color'] .= $str_value[$i][$j] . ','; |
| 630 | $have['color'] = \true; |
| 631 | } |
| 632 | } |
| 633 | } |
| 634 | foreach ($background_prop_default as $bg_prop => $default_value) { |
| 635 | if ($return[$bg_prop] !== null) { |
| 636 | $return[$bg_prop] = \substr($return[$bg_prop], 0, -1) . $important; |
| 637 | } else { |
| 638 | $return[$bg_prop] = $default_value . $important; |
| 639 | } |
| 640 | } |
| 641 | return $return; |
| 642 | } |
| 643 | public function merge_bg($input_css) |
| 644 | { |
| 645 | $background_prop_default =& $this->parser->data['csstidy']['background_prop_default']; |
| 646 | // Max number of background images. CSS3 not yet fully implemented |
| 647 | $number_of_values = @\max(\count($this->explode_ws(',', $input_css['background-image'])), \count($this->explode_ws(',', $input_css['background-color'])), 1); |
| 648 | // Array with background images to check if BG image exists |
| 649 | $bg_img_array = @$this->explode_ws(',', $this->parser->gvw_important($input_css['background-image'])); |
| 650 | $new_bg_value = ''; |
| 651 | $important = ''; |
| 652 | // if background properties is here and not empty, don't try anything |
| 653 | if (isset($input_css['background']) && $input_css['background']) { |
| 654 | return $input_css; |
| 655 | } |
| 656 | for ($i = 0; $i < $number_of_values; $i++) { |
| 657 | foreach ($background_prop_default as $bg_property => $default_value) { |
| 658 | // Skip if property does not exist |
| 659 | if (!isset($input_css[$bg_property])) { |
| 660 | continue; |
| 661 | } |
| 662 | $cur_value = $input_css[$bg_property]; |
| 663 | // skip all optimisation if gradient() somewhere |
| 664 | if (\stripos($cur_value, 'gradient(') !== \false) { |
| 665 | return $input_css; |
| 666 | } |
| 667 | // Skip some properties if there is no background image |
| 668 | if ((!isset($bg_img_array[$i]) || $bg_img_array[$i] === 'none') && ($bg_property === 'background-size' || $bg_property === 'background-position' || $bg_property === 'background-attachment' || $bg_property === 'background-repeat')) { |
| 669 | continue; |
| 670 | } |
| 671 | // Remove !important |
| 672 | if ($this->parser->is_important($cur_value)) { |
| 673 | $important = ' !important'; |
| 674 | $cur_value = $this->parser->gvw_important($cur_value); |
| 675 | } |
| 676 | // Do not add default values |
| 677 | if ($cur_value === $default_value) { |
| 678 | continue; |
| 679 | } |
| 680 | $temp = $this->explode_ws(',', $cur_value); |
| 681 | if (isset($temp[$i])) { |
| 682 | if ($bg_property === 'background-size') { |
| 683 | $new_bg_value .= '(' . $temp[$i] . ') '; |
| 684 | } else { |
| 685 | $new_bg_value .= $temp[$i] . ' '; |
| 686 | } |
| 687 | } |
| 688 | } |
| 689 | $new_bg_value = \trim($new_bg_value); |
| 690 | if ($i != $number_of_values - 1) { |
| 691 | $new_bg_value .= ','; |
| 692 | } |
| 693 | } |
| 694 | // Delete all background-properties |
| 695 | foreach ($background_prop_default as $bg_property => $default_value) { |
| 696 | unset($input_css[$bg_property]); |
| 697 | } |
| 698 | // Add new background property |
| 699 | if ($new_bg_value !== '') { |
| 700 | $input_css['background'] = $new_bg_value . $important; |
| 701 | } elseif (isset($input_css['background'])) { |
| 702 | $input_css['background'] = 'none'; |
| 703 | } |
| 704 | return $input_css; |
| 705 | } |
| 706 | public function dissolve_short_font($str_value) |
| 707 | { |
| 708 | $font_prop_default =& $this->parser->data['csstidy']['font_prop_default']; |
| 709 | $font_weight = array('normal', 'bold', 'bolder', 'lighter', 100, 200, 300, 400, 500, 600, 700, 800, 900); |
| 710 | $font_variant = array('normal', 'small-caps'); |
| 711 | $font_style = array('normal', 'italic', 'oblique'); |
| 712 | $important = ''; |
| 713 | $return = array('font-style' => null, 'font-variant' => null, 'font-weight' => null, 'font-size' => null, 'line-height' => null, 'font-family' => null); |
| 714 | if ($this->parser->is_important($str_value)) { |
| 715 | $important = '!important'; |
| 716 | $str_value = $this->parser->gvw_important($str_value); |
| 717 | } |
| 718 | $have['style'] = \false; |
| 719 | $have['variant'] = \false; |
| 720 | $have['weight'] = \false; |
| 721 | $have['size'] = \false; |
| 722 | // Detects if font-family consists of several words w/o quotes |
| 723 | $multiwords = \false; |
| 724 | // Workaround with multiple font-family |
| 725 | $str_value = $this->explode_ws(',', \trim($str_value)); |
| 726 | $str_value[0] = $this->explode_ws(' ', \trim($str_value[0])); |
| 727 | for ($j = 0; $j < \count($str_value[0]); $j++) { |
| 728 | if ($have['weight'] === \false && \in_array($str_value[0][$j], $font_weight)) { |
| 729 | $return['font-weight'] = $str_value[0][$j]; |
| 730 | $have['weight'] = \true; |
| 731 | } elseif ($have['variant'] === \false && \in_array($str_value[0][$j], $font_variant)) { |
| 732 | $return['font-variant'] = $str_value[0][$j]; |
| 733 | $have['variant'] = \true; |
| 734 | } elseif ($have['style'] === \false && \in_array($str_value[0][$j], $font_style)) { |
| 735 | $return['font-style'] = $str_value[0][$j]; |
| 736 | $have['style'] = \true; |
| 737 | } elseif ($have['size'] === \false && (\is_numeric($str_value[0][$j][0]) || $str_value[0][$j][0] === null || $str_value[0][$j][0] === '.')) { |
| 738 | $size = $this->explode_ws('/', \trim($str_value[0][$j])); |
| 739 | $return['font-size'] = $size[0]; |
| 740 | if (isset($size[1])) { |
| 741 | $return['line-height'] = $size[1]; |
| 742 | } else { |
| 743 | $return['line-height'] = ''; |
| 744 | // don't add 'normal' ! |
| 745 | } |
| 746 | $have['size'] = \true; |
| 747 | } else { |
| 748 | if (isset($return['font-family'])) { |
| 749 | $return['font-family'] .= ' ' . $str_value[0][$j]; |
| 750 | $multiwords = \true; |
| 751 | } else { |
| 752 | $return['font-family'] = $str_value[0][$j]; |
| 753 | } |
| 754 | } |
| 755 | } |
| 756 | // add quotes if we have several qords in font-family |
| 757 | if ($multiwords !== \false) { |
| 758 | $return['font-family'] = '"' . $return['font-family'] . '"'; |
| 759 | } |
| 760 | $i = 1; |
| 761 | while (isset($str_value[$i])) { |
| 762 | $return['font-family'] .= ',' . \trim($str_value[$i]); |
| 763 | $i++; |
| 764 | } |
| 765 | // Fix for 100 and more font-size |
| 766 | if ($have['size'] === \false && isset($return['font-weight']) && \is_numeric($return['font-weight'][0])) { |
| 767 | $return['font-size'] = $return['font-weight']; |
| 768 | unset($return['font-weight']); |
| 769 | } |
| 770 | foreach ($font_prop_default as $font_prop => $default_value) { |
| 771 | if ($return[$font_prop] !== null) { |
| 772 | $return[$font_prop] = $return[$font_prop] . $important; |
| 773 | } else { |
| 774 | $return[$font_prop] = $default_value . $important; |
| 775 | } |
| 776 | } |
| 777 | return $return; |
| 778 | } |
| 779 | public function merge_font($input_css) |
| 780 | { |
| 781 | $font_prop_default =& $this->parser->data['csstidy']['font_prop_default']; |
| 782 | $new_font_value = ''; |
| 783 | $important = ''; |
| 784 | // Skip if not font-family and font-size set |
| 785 | if (isset($input_css['font-family']) && isset($input_css['font-size']) && $input_css['font-family'] != 'inherit') { |
| 786 | // fix several words in font-family - add quotes |
| 787 | if (isset($input_css['font-family'])) { |
| 788 | $families = \explode(',', $input_css['font-family']); |
| 789 | $result_families = array(); |
| 790 | foreach ($families as $family) { |
| 791 | $family = \trim($family); |
| 792 | $len = \strlen($family); |
| 793 | if (\strpos($family, ' ') && !($family[0] === '"' && $family[$len - 1] === '"' || $family[0] === "'" && $family[$len - 1] === "'")) { |
| 794 | $family = '"' . $family . '"'; |
| 795 | } |
| 796 | $result_families[] = $family; |
| 797 | } |
| 798 | $input_css['font-family'] = \implode(',', $result_families); |
| 799 | } |
| 800 | foreach ($font_prop_default as $font_property => $default_value) { |
| 801 | // Skip if property does not exist |
| 802 | if (!isset($input_css[$font_property])) { |
| 803 | continue; |
| 804 | } |
| 805 | $cur_value = $input_css[$font_property]; |
| 806 | // Skip if default value is used |
| 807 | if ($cur_value === $default_value) { |
| 808 | continue; |
| 809 | } |
| 810 | // Remove !important |
| 811 | if ($this->parser->is_important($cur_value)) { |
| 812 | $important = '!important'; |
| 813 | $cur_value = $this->parser->gvw_important($cur_value); |
| 814 | } |
| 815 | $new_font_value .= $cur_value; |
| 816 | // Add delimiter |
| 817 | $new_font_value .= $font_property === 'font-size' && isset($input_css['line-height']) ? '/' : ' '; |
| 818 | } |
| 819 | $new_font_value = \trim($new_font_value); |
| 820 | // Delete all font-properties |
| 821 | foreach ($font_prop_default as $font_property => $default_value) { |
| 822 | if ($font_property !== 'font' || !$new_font_value) { |
| 823 | unset($input_css[$font_property]); |
| 824 | } |
| 825 | } |
| 826 | // Add new font property |
| 827 | if ($new_font_value !== '') { |
| 828 | $input_css['font'] = $new_font_value . $important; |
| 829 | } |
| 830 | } |
| 831 | return $input_css; |
| 832 | } |
| 833 | public function reverse_left_and_right($array) |
| 834 | { |
| 835 | $return = array(); |
| 836 | // change left <-> right in properties name and values |
| 837 | foreach ($array as $propertie => $value) { |
| 838 | if (\method_exists($this, $m = 'reverse_left_and_right_' . \str_replace('-', '_', \trim($propertie)))) { |
| 839 | $value = $this->{$m}($value); |
| 840 | } |
| 841 | // simple replacement for properties |
| 842 | $propertie = \str_ireplace(array('left', 'right', "\x01"), array("\x01", 'left', 'right'), $propertie); |
| 843 | // be careful for values, not modifying protected or quoted valued |
| 844 | foreach (array('left' => "\x01", 'right' => 'left', "\x01" => 'right') as $v => $r) { |
| 845 | if (\strpos($value, $v) !== \false) { |
| 846 | // attraper les left et right separes du reste (pas au milieu d'un mot) |
| 847 | if (\in_array($v, array('left', 'right'))) { |
| 848 | $value = \preg_replace(",\\b{$v}\\b,", "\x00", $value); |
| 849 | } else { |
| 850 | $value = \str_replace($v, "\x00", $value); |
| 851 | } |
| 852 | $value = $this->explode_ws("\x00", $value . ' ', \true); |
| 853 | $value = \rtrim(\implode($r, $value)); |
| 854 | $value = \str_replace("\x00", $v, $value); |
| 855 | } |
| 856 | } |
| 857 | $return[$propertie] = $value; |
| 858 | } |
| 859 | return $return; |
| 860 | } |
| 861 | public function reverse_left_and_right_4value_shorthands($property, $value) |
| 862 | { |
| 863 | $shorthands =& $this->parser->data['csstidy']['shorthands']; |
| 864 | if (isset($shorthands[$property])) { |
| 865 | $property_right = $shorthands[$property][1]; |
| 866 | $property_left = $shorthands[$property][3]; |
| 867 | $v = $this->dissolve_4value_shorthands($property, $value); |
| 868 | if ($v[$property_left] !== $v[$property_right]) { |
| 869 | $r = $v[$property_right]; |
| 870 | $v[$property_right] = $v[$property_left]; |
| 871 | $v[$property_left] = $r; |
| 872 | $v = $this->merge_4value_shorthands($v); |
| 873 | if (isset($v[$property])) { |
| 874 | return $v[$property]; |
| 875 | } |
| 876 | } |
| 877 | } |
| 878 | return $value; |
| 879 | } |
| 880 | public function reverse_left_and_right_4value_radius_shorthands($property, $value) |
| 881 | { |
| 882 | $shorthands =& $this->parser->data['csstidy']['radius_shorthands']; |
| 883 | if (isset($shorthands[$property])) { |
| 884 | $v = $this->dissolve_4value_radius_shorthands($property, $value); |
| 885 | if ($v[$shorthands[$property][0]] !== $v[$shorthands[$property][1]] or $v[$shorthands[$property][2]] !== $v[$shorthands[$property][3]]) { |
| 886 | $r = array($shorthands[$property][0] => $v[$shorthands[$property][1]], $shorthands[$property][1] => $v[$shorthands[$property][0]], $shorthands[$property][2] => $v[$shorthands[$property][3]], $shorthands[$property][3] => $v[$shorthands[$property][2]]); |
| 887 | $v = $this->merge_4value_radius_shorthands($r); |
| 888 | if (isset($v[$property])) { |
| 889 | return $v[$property]; |
| 890 | } |
| 891 | } |
| 892 | } |
| 893 | return $value; |
| 894 | } |
| 895 | public function reverse_left_and_right_margin($value) |
| 896 | { |
| 897 | return $this->reverse_left_and_right_4value_shorthands('margin', $value); |
| 898 | } |
| 899 | public function reverse_left_and_right_padding($value) |
| 900 | { |
| 901 | return $this->reverse_left_and_right_4value_shorthands('padding', $value); |
| 902 | } |
| 903 | public function reverse_left_and_right_border_color($value) |
| 904 | { |
| 905 | return $this->reverse_left_and_right_4value_shorthands('border-color', $value); |
| 906 | } |
| 907 | public function reverse_left_and_right_border_style($value) |
| 908 | { |
| 909 | return $this->reverse_left_and_right_4value_shorthands('border-style', $value); |
| 910 | } |
| 911 | public function reverse_left_and_right_border_width($value) |
| 912 | { |
| 913 | return $this->reverse_left_and_right_4value_shorthands('border-width', $value); |
| 914 | } |
| 915 | public function reverse_left_and_right_border_radius($value) |
| 916 | { |
| 917 | return $this->reverse_left_and_right_4value_radius_shorthands('border-radius', $value); |
| 918 | } |
| 919 | public function reverse_left_and_right__moz_border_radius($value) |
| 920 | { |
| 921 | return $this->reverse_left_and_right_4value_radius_shorthands('border-radius', $value); |
| 922 | } |
| 923 | public function reverse_left_and_right__webkit_border_radius($value) |
| 924 | { |
| 925 | return $this->reverse_left_and_right_4value_radius_shorthands('border-radius', $value); |
| 926 | } |
| 927 | public function reverse_left_and_right_background($value) |
| 928 | { |
| 929 | $values = $this->dissolve_short_bg($value); |
| 930 | if (isset($values['background-position']) and $values['background-position']) { |
| 931 | $v = $this->reverse_left_and_right_background_position($values['background-position']); |
| 932 | if ($v !== $values['background-position']) { |
| 933 | if ($value == $values['background-position']) { |
| 934 | return $v; |
| 935 | } else { |
| 936 | $values['background-position'] = $v; |
| 937 | $x = $this->merge_bg($values); |
| 938 | if (isset($x['background'])) { |
| 939 | return $x['background']; |
| 940 | } |
| 941 | } |
| 942 | } |
| 943 | } |
| 944 | return $value; |
| 945 | } |
| 946 | public function reverse_left_and_right_background_position_x($value) |
| 947 | { |
| 948 | return $this->reverse_left_and_right_background_position($value); |
| 949 | } |
| 950 | public function reverse_left_and_right_background_position($value) |
| 951 | { |
| 952 | // multiple background case |
| 953 | if (\strpos($value, ',') !== \false) { |
| 954 | $values = $this->explode_ws(',', $value); |
| 955 | if (\count($values) > 1) { |
| 956 | foreach ($values as $k => $v) { |
| 957 | $values[$k] = $this->reverse_left_and_right_background_position($v); |
| 958 | } |
| 959 | return \implode(',', $values); |
| 960 | } |
| 961 | } |
| 962 | // if no explicit left or right value |
| 963 | if (\stripos($value, 'left') === \false and \stripos($value, 'right') === \false) { |
| 964 | $values = $this->explode_ws(' ', \trim($value)); |
| 965 | $values = \array_map('trim', $values); |
| 966 | $values = \array_filter($values, function ($v) { |
| 967 | return \strlen($v); |
| 968 | }); |
| 969 | $values = \array_values($values); |
| 970 | if (\count($values) == 1) { |
| 971 | if (\in_array($value, array('center', 'top', 'bottom', 'inherit', 'initial', 'unset'))) { |
| 972 | return $value; |
| 973 | } |
| 974 | return "left {$value}"; |
| 975 | } |
| 976 | if ($values[1] == 'top' or $values[1] == 'bottom') { |
| 977 | if ($values[0] === 'center') { |
| 978 | return $value; |
| 979 | } |
| 980 | return 'left ' . \implode(' ', $values); |
| 981 | } else { |
| 982 | $last = \array_pop($values); |
| 983 | if ($last === 'center') { |
| 984 | return $value; |
| 985 | } |
| 986 | return \implode(' ', $values) . ' left ' . $last; |
| 987 | } |
| 988 | } |
| 989 | return $value; |
| 990 | } |
| 991 | } |
| 992 |