MediaWiki  master
Html.php
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1 <?php
26 
49 class Html {
50  // List of void elements from HTML5, section 8.1.2 as of 2016-09-19
51  private static $voidElements = [
52  'area',
53  'base',
54  'br',
55  'col',
56  'embed',
57  'hr',
58  'img',
59  'input',
60  'keygen',
61  'link',
62  'meta',
63  'param',
64  'source',
65  'track',
66  'wbr',
67  ];
68 
69  // Boolean attributes, which may have the value omitted entirely. Manually
70  // collected from the HTML5 spec as of 2011-08-12.
71  private static $boolAttribs = [
72  'async',
73  'autofocus',
74  'autoplay',
75  'checked',
76  'controls',
77  'default',
78  'defer',
79  'disabled',
80  'formnovalidate',
81  'hidden',
82  'ismap',
83  'itemscope',
84  'loop',
85  'multiple',
86  'muted',
87  'novalidate',
88  'open',
89  'pubdate',
90  'readonly',
91  'required',
92  'reversed',
93  'scoped',
94  'seamless',
95  'selected',
96  'truespeed',
97  'typemustmatch',
98  // HTML5 Microdata
99  'itemscope',
100  ];
101 
110  public static function buttonAttributes( array $attrs, array $modifiers = [] ) {
112  if ( $wgUseMediaWikiUIEverywhere ) {
113  if ( isset( $attrs['class'] ) ) {
114  if ( is_array( $attrs['class'] ) ) {
115  $attrs['class'][] = 'mw-ui-button';
116  $attrs['class'] = array_merge( $attrs['class'], $modifiers );
117  // ensure compatibility with Xml
118  $attrs['class'] = implode( ' ', $attrs['class'] );
119  } else {
120  $attrs['class'] .= ' mw-ui-button ' . implode( ' ', $modifiers );
121  }
122  } else {
123  // ensure compatibility with Xml
124  $attrs['class'] = 'mw-ui-button ' . implode( ' ', $modifiers );
125  }
126  }
127  return $attrs;
128  }
129 
137  public static function getTextInputAttributes( array $attrs ) {
139  if ( $wgUseMediaWikiUIEverywhere ) {
140  if ( isset( $attrs['class'] ) ) {
141  if ( is_array( $attrs['class'] ) ) {
142  $attrs['class'][] = 'mw-ui-input';
143  } else {
144  $attrs['class'] .= ' mw-ui-input';
145  }
146  } else {
147  $attrs['class'] = 'mw-ui-input';
148  }
149  }
150  return $attrs;
151  }
152 
165  public static function linkButton( $text, array $attrs, array $modifiers = [] ) {
166  return self::element( 'a',
167  self::buttonAttributes( $attrs, $modifiers ),
168  $text
169  );
170  }
171 
185  public static function submitButton( $contents, array $attrs, array $modifiers = [] ) {
186  $attrs['type'] = 'submit';
187  $attrs['value'] = $contents;
188  return self::element( 'input', self::buttonAttributes( $attrs, $modifiers ) );
189  }
190 
209  public static function rawElement( $element, $attribs = [], $contents = '' ) {
210  $start = self::openElement( $element, $attribs );
211  if ( in_array( $element, self::$voidElements ) ) {
212  // Silly XML.
213  return substr( $start, 0, -1 ) . '/>';
214  } else {
215  return $start . $contents . self::closeElement( $element );
216  }
217  }
218 
231  public static function element( $element, $attribs = [], $contents = '' ) {
232  return self::rawElement( $element, $attribs, strtr( $contents, [
233  // There's no point in escaping quotes, >, etc. in the contents of
234  // elements.
235  '&' => '&amp;',
236  '<' => '&lt;'
237  ] ) );
238  }
239 
251  public static function openElement( $element, $attribs = [] ) {
252  $attribs = (array)$attribs;
253  // This is not required in HTML5, but let's do it anyway, for
254  // consistency and better compression.
255  $element = strtolower( $element );
256 
257  // Some people were abusing this by passing things like
258  // 'h1 id="foo" to $element, which we don't want.
259  if ( strpos( $element, ' ' ) !== false ) {
260  wfWarn( __METHOD__ . " given element name with space '$element'" );
261  }
262 
263  // Remove invalid input types
264  if ( $element == 'input' ) {
265  $validTypes = [
266  'hidden',
267  'text',
268  'password',
269  'checkbox',
270  'radio',
271  'file',
272  'submit',
273  'image',
274  'reset',
275  'button',
276 
277  // HTML input types
278  'datetime',
279  'datetime-local',
280  'date',
281  'month',
282  'time',
283  'week',
284  'number',
285  'range',
286  'email',
287  'url',
288  'search',
289  'tel',
290  'color',
291  ];
292  if ( isset( $attribs['type'] ) && !in_array( $attribs['type'], $validTypes ) ) {
293  unset( $attribs['type'] );
294  }
295  }
296 
297  // According to standard the default type for <button> elements is "submit".
298  // Depending on compatibility mode IE might use "button", instead.
299  // We enforce the standard "submit".
300  if ( $element == 'button' && !isset( $attribs['type'] ) ) {
301  $attribs['type'] = 'submit';
302  }
303 
304  return "<$element" . self::expandAttributes(
305  self::dropDefaults( $element, $attribs ) ) . '>';
306  }
307 
315  public static function closeElement( $element ) {
316  $element = strtolower( $element );
317 
318  return "</$element>";
319  }
320 
338  private static function dropDefaults( $element, array $attribs ) {
339  // Whenever altering this array, please provide a covering test case
340  // in HtmlTest::provideElementsWithAttributesHavingDefaultValues
341  static $attribDefaults = [
342  'area' => [ 'shape' => 'rect' ],
343  'button' => [
344  'formaction' => 'GET',
345  'formenctype' => 'application/x-www-form-urlencoded',
346  ],
347  'canvas' => [
348  'height' => '150',
349  'width' => '300',
350  ],
351  'form' => [
352  'action' => 'GET',
353  'autocomplete' => 'on',
354  'enctype' => 'application/x-www-form-urlencoded',
355  ],
356  'input' => [
357  'formaction' => 'GET',
358  'type' => 'text',
359  ],
360  'keygen' => [ 'keytype' => 'rsa' ],
361  'link' => [ 'media' => 'all' ],
362  'menu' => [ 'type' => 'list' ],
363  'script' => [ 'type' => 'text/javascript' ],
364  'style' => [
365  'media' => 'all',
366  'type' => 'text/css',
367  ],
368  'textarea' => [ 'wrap' => 'soft' ],
369  ];
370 
371  $element = strtolower( $element );
372 
373  foreach ( $attribs as $attrib => $value ) {
374  $lcattrib = strtolower( $attrib );
375  if ( is_array( $value ) ) {
376  $value = implode( ' ', $value );
377  } else {
378  $value = strval( $value );
379  }
380 
381  // Simple checks using $attribDefaults
382  if ( isset( $attribDefaults[$element][$lcattrib] )
383  && $attribDefaults[$element][$lcattrib] == $value
384  ) {
385  unset( $attribs[$attrib] );
386  }
387 
388  if ( $lcattrib == 'class' && $value == '' ) {
389  unset( $attribs[$attrib] );
390  }
391  }
392 
393  // More subtle checks
394  if ( $element === 'link'
395  && isset( $attribs['type'] ) && strval( $attribs['type'] ) == 'text/css'
396  ) {
397  unset( $attribs['type'] );
398  }
399  if ( $element === 'input' ) {
400  $type = $attribs['type'] ?? null;
401  $value = $attribs['value'] ?? null;
402  if ( $type === 'checkbox' || $type === 'radio' ) {
403  // The default value for checkboxes and radio buttons is 'on'
404  // not ''. By stripping value="" we break radio boxes that
405  // actually wants empty values.
406  if ( $value === 'on' ) {
407  unset( $attribs['value'] );
408  }
409  } elseif ( $type === 'submit' ) {
410  // The default value for submit appears to be "Submit" but
411  // let's not bother stripping out localized text that matches
412  // that.
413  } else {
414  // The default value for nearly every other field type is ''
415  // The 'range' and 'color' types use different defaults but
416  // stripping a value="" does not hurt them.
417  if ( $value === '' ) {
418  unset( $attribs['value'] );
419  }
420  }
421  }
422  if ( $element === 'select' && isset( $attribs['size'] ) ) {
423  if ( in_array( 'multiple', $attribs )
424  || ( isset( $attribs['multiple'] ) && $attribs['multiple'] !== false )
425  ) {
426  // A multi-select
427  if ( strval( $attribs['size'] ) == '4' ) {
428  unset( $attribs['size'] );
429  }
430  } else {
431  // Single select
432  if ( strval( $attribs['size'] ) == '1' ) {
433  unset( $attribs['size'] );
434  }
435  }
436  }
437 
438  return $attribs;
439  }
440 
480  public static function expandAttributes( array $attribs ) {
481  $ret = '';
482  foreach ( $attribs as $key => $value ) {
483  // Support intuitive [ 'checked' => true/false ] form
484  if ( $value === false || is_null( $value ) ) {
485  continue;
486  }
487 
488  // For boolean attributes, support [ 'foo' ] instead of
489  // requiring [ 'foo' => 'meaningless' ].
490  if ( is_int( $key ) && in_array( strtolower( $value ), self::$boolAttribs ) ) {
491  $key = $value;
492  }
493 
494  // Not technically required in HTML5 but we'd like consistency
495  // and better compression anyway.
496  $key = strtolower( $key );
497 
498  // https://www.w3.org/TR/html401/index/attributes.html ("space-separated")
499  // https://www.w3.org/TR/html5/index.html#attributes-1 ("space-separated")
500  $spaceSeparatedListAttributes = [
501  'class', // html4, html5
502  'accesskey', // as of html5, multiple space-separated values allowed
503  // html4-spec doesn't document rel= as space-separated
504  // but has been used like that and is now documented as such
505  // in the html5-spec.
506  'rel',
507  ];
508 
509  // Specific features for attributes that allow a list of space-separated values
510  if ( in_array( $key, $spaceSeparatedListAttributes ) ) {
511  // Apply some normalization and remove duplicates
512 
513  // Convert into correct array. Array can contain space-separated
514  // values. Implode/explode to get those into the main array as well.
515  if ( is_array( $value ) ) {
516  // If input wasn't an array, we can skip this step
517  $newValue = [];
518  foreach ( $value as $k => $v ) {
519  if ( is_string( $v ) ) {
520  // String values should be normal `[ 'foo' ]`
521  // Just append them
522  if ( !isset( $value[$v] ) ) {
523  // As a special case don't set 'foo' if a
524  // separate 'foo' => true/false exists in the array
525  // keys should be authoritative
526  $newValue[] = $v;
527  }
528  } elseif ( $v ) {
529  // If the value is truthy but not a string this is likely
530  // an [ 'foo' => true ], falsy values don't add strings
531  $newValue[] = $k;
532  }
533  }
534  $value = implode( ' ', $newValue );
535  }
536  $value = explode( ' ', $value );
537 
538  // Normalize spacing by fixing up cases where people used
539  // more than 1 space and/or a trailing/leading space
540  $value = array_diff( $value, [ '', ' ' ] );
541 
542  // Remove duplicates and create the string
543  $value = implode( ' ', array_unique( $value ) );
544  } elseif ( is_array( $value ) ) {
545  throw new MWException( "HTML attribute $key can not contain a list of values" );
546  }
547 
548  $quote = '"';
549 
550  if ( in_array( $key, self::$boolAttribs ) ) {
551  $ret .= " $key=\"\"";
552  } else {
553  $ret .= " $key=$quote" . Sanitizer::encodeAttribute( $value ) . $quote;
554  }
555  }
556  return $ret;
557  }
558 
572  public static function inlineScript( $contents, $nonce = null ) {
573  $attrs = [];
574  if ( $nonce !== null ) {
575  $attrs['nonce'] = $nonce;
576  } elseif ( ContentSecurityPolicy::isNonceRequired( RequestContext::getMain()->getConfig() ) ) {
577  wfWarn( "no nonce set on script. CSP will break it" );
578  }
579 
580  if ( preg_match( '/<\/?script/i', $contents ) ) {
581  wfLogWarning( __METHOD__ . ': Illegal character sequence found in inline script.' );
582  $contents = '/* ERROR: Invalid script */';
583  }
584 
585  return self::rawElement( 'script', $attrs, $contents );
586  }
587 
596  public static function linkedScript( $url, $nonce = null ) {
597  $attrs = [ 'src' => $url ];
598  if ( $nonce !== null ) {
599  $attrs['nonce'] = $nonce;
600  } elseif ( ContentSecurityPolicy::isNonceRequired( RequestContext::getMain()->getConfig() ) ) {
601  wfWarn( "no nonce set on script. CSP will break it" );
602  }
603 
604  return self::element( 'script', $attrs );
605  }
606 
619  public static function inlineStyle( $contents, $media = 'all', $attribs = [] ) {
620  // Don't escape '>' since that is used
621  // as direct child selector.
622  // Remember, in css, there is no "x" for hexadecimal escapes, and
623  // the space immediately after an escape sequence is swallowed.
624  $contents = strtr( $contents, [
625  '<' => '\3C ',
626  // CDATA end tag for good measure, but the main security
627  // is from escaping the '<'.
628  ']]>' => '\5D\5D\3E '
629  ] );
630 
631  if ( preg_match( '/[<&]/', $contents ) ) {
632  $contents = "/*<![CDATA[*/$contents/*]]>*/";
633  }
634 
635  return self::rawElement( 'style', [
636  'media' => $media,
637  ] + $attribs, $contents );
638  }
639 
648  public static function linkedStyle( $url, $media = 'all' ) {
649  return self::element( 'link', [
650  'rel' => 'stylesheet',
651  'href' => $url,
652  'media' => $media,
653  ] );
654  }
655 
667  public static function input( $name, $value = '', $type = 'text', array $attribs = [] ) {
668  $attribs['type'] = $type;
669  $attribs['value'] = $value;
670  $attribs['name'] = $name;
671  if ( in_array( $type, [ 'text', 'search', 'email', 'password', 'number' ] ) ) {
672  $attribs = self::getTextInputAttributes( $attribs );
673  }
674  if ( in_array( $type, [ 'button', 'reset', 'submit' ] ) ) {
675  $attribs = self::buttonAttributes( $attribs );
676  }
677  return self::element( 'input', $attribs );
678  }
679 
688  public static function check( $name, $checked = false, array $attribs = [] ) {
689  if ( isset( $attribs['value'] ) ) {
690  $value = $attribs['value'];
691  unset( $attribs['value'] );
692  } else {
693  $value = 1;
694  }
695 
696  if ( $checked ) {
697  $attribs[] = 'checked';
698  }
699 
700  return self::input( $name, $value, 'checkbox', $attribs );
701  }
702 
711  private static function messageBox( $html, $className, $heading = '' ) {
712  if ( $heading !== '' ) {
713  $html = self::element( 'h2', [], $heading ) . $html;
714  }
715  return self::rawElement( 'div', [ 'class' => $className ], $html );
716  }
717 
724  public static function warningBox( $html ) {
725  return self::messageBox( $html, 'warningbox' );
726  }
727 
735  public static function errorBox( $html, $heading = '' ) {
736  return self::messageBox( $html, 'errorbox', $heading );
737  }
738 
745  public static function successBox( $html ) {
746  return self::messageBox( $html, 'successbox' );
747  }
748 
757  public static function radio( $name, $checked = false, array $attribs = [] ) {
758  if ( isset( $attribs['value'] ) ) {
759  $value = $attribs['value'];
760  unset( $attribs['value'] );
761  } else {
762  $value = 1;
763  }
764 
765  if ( $checked ) {
766  $attribs[] = 'checked';
767  }
768 
769  return self::input( $name, $value, 'radio', $attribs );
770  }
771 
780  public static function label( $label, $id, array $attribs = [] ) {
781  $attribs += [
782  'for' => $id
783  ];
784  return self::element( 'label', $attribs, $label );
785  }
786 
796  public static function hidden( $name, $value, array $attribs = [] ) {
797  return self::input( $name, $value, 'hidden', $attribs );
798  }
799 
812  public static function textarea( $name, $value = '', array $attribs = [] ) {
813  $attribs['name'] = $name;
814 
815  if ( substr( $value, 0, 1 ) == "\n" ) {
816  // Workaround for T14130: browsers eat the initial newline
817  // assuming that it's just for show, but they do keep the later
818  // newlines, which we may want to preserve during editing.
819  // Prepending a single newline
820  $spacedValue = "\n" . $value;
821  } else {
822  $spacedValue = $value;
823  }
824  return self::element( 'textarea', self::getTextInputAttributes( $attribs ), $spacedValue );
825  }
826 
832  public static function namespaceSelectorOptions( array $params = [] ) {
833  if ( !isset( $params['exclude'] ) || !is_array( $params['exclude'] ) ) {
834  $params['exclude'] = [];
835  }
836 
837  if ( $params['in-user-lang'] ?? false ) {
838  global $wgLang;
839  $lang = $wgLang;
840  } else {
841  $lang = MediaWikiServices::getInstance()->getContentLanguage();
842  }
843 
844  $optionsOut = [];
845  if ( isset( $params['all'] ) ) {
846  // add an option that would let the user select all namespaces.
847  // Value is provided by user, the name shown is localized for the user.
848  $optionsOut[$params['all']] = wfMessage( 'namespacesall' )->text();
849  }
850  // Add all namespaces as options
851  $options = $lang->getFormattedNamespaces();
852  // Filter out namespaces below 0 and massage labels
853  foreach ( $options as $nsId => $nsName ) {
854  if ( $nsId < NS_MAIN || in_array( $nsId, $params['exclude'] ) ) {
855  continue;
856  }
857  if ( $nsId === NS_MAIN ) {
858  // For other namespaces use the namespace prefix as label, but for
859  // main we don't use "" but the user message describing it (e.g. "(Main)" or "(Article)")
860  $nsName = wfMessage( 'blanknamespace' )->text();
861  } elseif ( is_int( $nsId ) ) {
862  $nsName = $lang->convertNamespace( $nsId );
863  }
864  $optionsOut[$nsId] = $nsName;
865  }
866 
867  return $optionsOut;
868  }
869 
886  public static function namespaceSelector( array $params = [],
887  array $selectAttribs = []
888  ) {
889  ksort( $selectAttribs );
890 
891  // Is a namespace selected?
892  if ( isset( $params['selected'] ) ) {
893  // If string only contains digits, convert to clean int. Selected could also
894  // be "all" or "" etc. which needs to be left untouched.
895  // PHP is_numeric() has issues with large strings, PHP ctype_digit has other issues
896  // and returns false for already clean ints. Use regex instead..
897  if ( preg_match( '/^\d+$/', $params['selected'] ) ) {
898  $params['selected'] = intval( $params['selected'] );
899  }
900  // else: leaves it untouched for later processing
901  } else {
902  $params['selected'] = '';
903  }
904 
905  if ( !isset( $params['disable'] ) || !is_array( $params['disable'] ) ) {
906  $params['disable'] = [];
907  }
908 
909  // Associative array between option-values and option-labels
910  $options = self::namespaceSelectorOptions( $params );
911 
912  // Convert $options to HTML
913  $optionsHtml = [];
914  foreach ( $options as $nsId => $nsName ) {
915  $optionsHtml[] = self::element(
916  'option', [
917  'disabled' => in_array( $nsId, $params['disable'] ),
918  'value' => $nsId,
919  'selected' => $nsId === $params['selected'],
920  ], $nsName
921  );
922  }
923 
924  if ( !array_key_exists( 'id', $selectAttribs ) ) {
925  $selectAttribs['id'] = 'namespace';
926  }
927 
928  if ( !array_key_exists( 'name', $selectAttribs ) ) {
929  $selectAttribs['name'] = 'namespace';
930  }
931 
932  $ret = '';
933  if ( isset( $params['label'] ) ) {
934  $ret .= self::element(
935  'label', [
936  'for' => $selectAttribs['id'] ?? null,
937  ], $params['label']
938  ) . "\u{00A0}";
939  }
940 
941  // Wrap options in a <select>
942  $ret .= self::openElement( 'select', $selectAttribs )
943  . "\n"
944  . implode( "\n", $optionsHtml )
945  . "\n"
946  . self::closeElement( 'select' );
947 
948  return $ret;
949  }
950 
959  public static function htmlHeader( array $attribs = [] ) {
960  $ret = '';
961 
963 
964  $isXHTML = self::isXmlMimeType( $wgMimeType );
965 
966  if ( $isXHTML ) { // XHTML5
967  // XML MIME-typed markup should have an xml header.
968  // However a DOCTYPE is not needed.
969  $ret .= "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n";
970 
971  // Add the standard xmlns
972  $attribs['xmlns'] = 'http://www.w3.org/1999/xhtml';
973 
974  // And support custom namespaces
975  foreach ( $wgXhtmlNamespaces as $tag => $ns ) {
976  $attribs["xmlns:$tag"] = $ns;
977  }
978  } else { // HTML5
979  $ret .= "<!DOCTYPE html>\n";
980  }
981 
982  if ( $wgHtml5Version ) {
983  $attribs['version'] = $wgHtml5Version;
984  }
985 
986  $ret .= self::openElement( 'html', $attribs );
987 
988  return $ret;
989  }
990 
997  public static function isXmlMimeType( $mimetype ) {
998  # https://html.spec.whatwg.org/multipage/infrastructure.html#xml-mime-type
999  # * text/xml
1000  # * application/xml
1001  # * Any MIME type with a subtype ending in +xml (this implicitly includes application/xhtml+xml)
1002  return (bool)preg_match( '!^(text|application)/xml$|^.+/.+\+xml$!', $mimetype );
1003  }
1004 
1015  public static function infoBox( $rawHtml, $icon, $alt, $class = '' ) {
1016  $s = self::openElement( 'div', [ 'class' => "mw-infobox $class" ] );
1017 
1018  $s .= self::openElement( 'div', [ 'class' => 'mw-infobox-left' ] ) .
1019  self::element( 'img',
1020  [
1021  'src' => $icon,
1022  'alt' => $alt,
1023  ]
1024  ) .
1025  self::closeElement( 'div' );
1026 
1027  $s .= self::openElement( 'div', [ 'class' => 'mw-infobox-right' ] ) .
1028  $rawHtml .
1029  self::closeElement( 'div' );
1030  $s .= self::element( 'div', [ 'style' => 'clear: left;' ], ' ' );
1031 
1032  $s .= self::closeElement( 'div' );
1033 
1034  $s .= self::element( 'div', [ 'style' => 'clear: left;' ], ' ' );
1035 
1036  return $s;
1037  }
1038 
1062  static function srcSet( array $urls ) {
1063  $candidates = [];
1064  foreach ( $urls as $density => $url ) {
1065  // Cast density to float to strip 'x', then back to string to serve
1066  // as array index.
1067  $density = (string)(float)$density;
1068  $candidates[$density] = $url;
1069  }
1070 
1071  // Remove duplicates that are the same as a smaller value
1072  ksort( $candidates, SORT_NUMERIC );
1073  $candidates = array_unique( $candidates );
1074 
1075  // Append density info to the url
1076  foreach ( $candidates as $density => $url ) {
1077  $candidates[$density] = $url . ' ' . $density . 'x';
1078  }
1079 
1080  return implode( ", ", $candidates );
1081  }
1082 }
static linkedScript( $url, $nonce=null)
Output a "<script>" tag linking to the given URL, e.g., "<script src=foo.js></script>".
Definition: Html.php:596
wfWarn( $msg, $callerOffset=1, $level=E_USER_NOTICE)
Send a warning either to the debug log or in a PHP error depending on $wgDevelopmentWarnings.
static linkedStyle( $url, $media='all')
Output a "<link rel=stylesheet>" linking to the given URL for the given media type (if any)...
Definition: Html.php:648
static radio( $name, $checked=false, array $attribs=[])
Convenience function to produce a radio button (input element with type=radio)
Definition: Html.php:757
static element( $element, $attribs=[], $contents='')
Identical to rawElement(), but HTML-escapes $contents (like Xml::element()).
Definition: Html.php:231
static namespaceSelectorOptions(array $params=[])
Helper for Html::namespaceSelector().
Definition: Html.php:832
const NS_MAIN
Definition: Defines.php:60
static messageBox( $html, $className, $heading='')
Return the HTML for a message box.
Definition: Html.php:711
$wgMimeType
The default Content-Type header.
static $boolAttribs
Definition: Html.php:71
if(!isset( $args[0])) $lang
static openElement( $element, $attribs=[])
Identical to rawElement(), but has no third parameter and omits the end tag (and the self-closing &#39;/&#39;...
Definition: Html.php:251
static rawElement( $element, $attribs=[], $contents='')
Returns an HTML element in a string.
Definition: Html.php:209
static warningBox( $html)
Return a warning box.
Definition: Html.php:724
static isNonceRequired(Config $config)
Should we set nonce attribute.
$wgHtml5Version
Defines the value of the version attribute in the <html> tag, if any.
wfLogWarning( $msg, $callerOffset=1, $level=E_USER_WARNING)
Send a warning as a PHP error and the debug log.
static inlineScript( $contents, $nonce=null)
Output an HTML script tag with the given contents.
Definition: Html.php:572
static linkButton( $text, array $attrs, array $modifiers=[])
Returns an HTML link element in a string styled as a button (when $wgUseMediaWikiUIEverywhere is enab...
Definition: Html.php:165
static textarea( $name, $value='', array $attribs=[])
Convenience function to produce a <textarea> element.
Definition: Html.php:812
static $voidElements
Definition: Html.php:51
static submitButton( $contents, array $attrs, array $modifiers=[])
Returns an HTML link element in a string styled as a button (when $wgUseMediaWikiUIEverywhere is enab...
Definition: Html.php:185
static getTextInputAttributes(array $attrs)
Modifies a set of attributes meant for text input elements and apply a set of default attributes...
Definition: Html.php:137
$wgLang
Definition: Setup.php:864
static getMain()
Get the RequestContext object associated with the main request.
static closeElement( $element)
Returns "</$element>".
Definition: Html.php:315
$wgUseMediaWikiUIEverywhere
Temporary variable that applies MediaWiki UI wherever it can be supported.
static expandAttributes(array $attribs)
Given an associative array of element attributes, generate a string to stick after the element name i...
Definition: Html.php:480
static input( $name, $value='', $type='text', array $attribs=[])
Convenience function to produce an "<input>" element.
Definition: Html.php:667
static htmlHeader(array $attribs=[])
Constructs the opening html-tag with necessary doctypes depending on global variables.
Definition: Html.php:959
static check( $name, $checked=false, array $attribs=[])
Convenience function to produce a checkbox (input element with type=checkbox)
Definition: Html.php:688
static srcSet(array $urls)
Generate a srcset attribute value.
Definition: Html.php:1062
static errorBox( $html, $heading='')
Return an error box.
Definition: Html.php:735
static dropDefaults( $element, array $attribs)
Given an element name and an associative array of element attributes, return an array that is functio...
Definition: Html.php:338
static encodeAttribute( $text)
Encode an attribute value for HTML output.
Definition: Sanitizer.php:1156
static hidden( $name, $value, array $attribs=[])
Convenience function to produce an input element with type=hidden.
Definition: Html.php:796
static buttonAttributes(array $attrs, array $modifiers=[])
Modifies a set of attributes meant for button elements and apply a set of default attributes when $wg...
Definition: Html.php:110
static successBox( $html)
Return a success box.
Definition: Html.php:745
static infoBox( $rawHtml, $icon, $alt, $class='')
Get HTML for an information message box with an icon.
Definition: Html.php:1015
$wgXhtmlNamespaces
Permit other namespaces in addition to the w3.org default.
static isXmlMimeType( $mimetype)
Determines if the given MIME type is xml.
Definition: Html.php:997
static inlineStyle( $contents, $media='all', $attribs=[])
Output a "<style>" tag with the given contents for the given media type (if any). ...
Definition: Html.php:619
wfMessage( $key,... $params)
This is the function for getting translated interface messages.
static label( $label, $id, array $attribs=[])
Convenience function for generating a label for inputs.
Definition: Html.php:780
static namespaceSelector(array $params=[], array $selectAttribs=[])
Build a drop-down box for selecting a namespace.
Definition: Html.php:886