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| <?php | |
| /* html_convert_entities($string) -- convert named HTML entities to | |
| * XML-compatible numeric entities. | |
| */ | |
| function html_convert_entities($string) { | |
| return preg_replace_callback('/&([a-zA-Z][a-zA-Z0-9]+);/S', | |
| 'convert_entity', $string); | |
| } | |
| /* Swap HTML named entity with its numeric equivalent. If the entity | |
| * isn't in the lookup table, this function returns a blank, which | |
| * destroys the character in the output - this is probably the | |
| * desired behaviour when producing XML. */ | |
| function convert_entity($matches) { | |
| static $table = array('quot' => '"', | |
| 'amp' => '&', | |
| 'lt' => '<', | |
| 'gt' => '>', | |
| 'OElig' => 'Œ', | |
| 'oelig' => 'œ', | |
| 'Scaron' => 'Š', | |
| 'scaron' => 'š', | |
| 'Yuml' => 'Ÿ', | |
| 'circ' => 'ˆ', | |
| 'tilde' => '˜', | |
| 'ensp' => ' ', | |
| 'emsp' => ' ', | |
| 'thinsp' => ' ', | |
| 'zwnj' => '‌', | |
| 'zwj' => '‍', | |
| 'lrm' => '‎', | |
| 'rlm' => '‏', | |
| 'ndash' => '–', | |
| 'mdash' => '—', | |
| 'lsquo' => '‘', | |
| 'rsquo' => '’', | |
| 'sbquo' => '‚', | |
| 'ldquo' => '“', | |
| 'rdquo' => '”', | |
| 'bdquo' => '„', | |
| 'dagger' => '†', | |
| 'Dagger' => '‡', | |
| 'permil' => '‰', | |
| 'lsaquo' => '‹', | |
| 'rsaquo' => '›', | |
| 'euro' => '€', | |
| 'fnof' => 'ƒ', | |
| 'Alpha' => 'Α', | |
| 'Beta' => 'Β', | |
| 'Gamma' => 'Γ', | |
| 'Delta' => 'Δ', | |
| 'Epsilon' => 'Ε', | |
| 'Zeta' => 'Ζ', | |
| 'Eta' => 'Η', | |
| 'Theta' => 'Θ', | |
| 'Iota' => 'Ι', | |
| 'Kappa' => 'Κ', | |
| 'Lambda' => 'Λ', | |
| 'Mu' => 'Μ', | |
| 'Nu' => 'Ν', | |
| 'Xi' => 'Ξ', | |
| 'Omicron' => 'Ο', | |
| 'Pi' => 'Π', | |
| 'Rho' => 'Ρ', | |
| 'Sigma' => 'Σ', | |
| 'Tau' => 'Τ', | |
| 'Upsilon' => 'Υ', | |
| 'Phi' => 'Φ', | |
| 'Chi' => 'Χ', | |
| 'Psi' => 'Ψ', | |
| 'Omega' => 'Ω', | |
| 'alpha' => 'α', | |
| 'beta' => 'β', | |
| 'gamma' => 'γ', | |
| 'delta' => 'δ', | |
| 'epsilon' => 'ε', | |
| 'zeta' => 'ζ', | |
| 'eta' => 'η', | |
| 'theta' => 'θ', | |
| 'iota' => 'ι', | |
| 'kappa' => 'κ', | |
| 'lambda' => 'λ', | |
| 'mu' => 'μ', | |
| 'nu' => 'ν', | |
| 'xi' => 'ξ', | |
| 'omicron' => 'ο', | |
| 'pi' => 'π', | |
| 'rho' => 'ρ', | |
| 'sigmaf' => 'ς', | |
| 'sigma' => 'σ', | |
| 'tau' => 'τ', | |
| 'upsilon' => 'υ', | |
| 'phi' => 'φ', | |
| 'chi' => 'χ', | |
| 'psi' => 'ψ', | |
| 'omega' => 'ω', | |
| 'thetasym' => 'ϑ', | |
| 'upsih' => 'ϒ', | |
| 'piv' => 'ϖ', | |
| 'bull' => '•', | |
| 'hellip' => '…', | |
| 'prime' => '′', | |
| 'Prime' => '″', | |
| 'oline' => '‾', | |
| 'frasl' => '⁄', | |
| 'weierp' => '℘', | |
| 'image' => 'ℑ', | |
| 'real' => 'ℜ', | |
| 'trade' => '™', | |
| 'alefsym' => 'ℵ', | |
| 'larr' => '←', | |
| 'uarr' => '↑', | |
| 'rarr' => '→', | |
| 'darr' => '↓', | |
| 'harr' => '↔', | |
| 'crarr' => '↵', | |
| 'lArr' => '⇐', | |
| 'uArr' => '⇑', | |
| 'rArr' => '⇒', | |
| 'dArr' => '⇓', | |
| 'hArr' => '⇔', | |
| 'forall' => '∀', | |
| 'part' => '∂', | |
| 'exist' => '∃', | |
| 'empty' => '∅', | |
| 'nabla' => '∇', | |
| 'isin' => '∈', | |
| 'notin' => '∉', | |
| 'ni' => '∋', | |
| 'prod' => '∏', | |
| 'sum' => '∑', | |
| 'minus' => '−', | |
| 'lowast' => '∗', | |
| 'radic' => '√', | |
| 'prop' => '∝', | |
| 'infin' => '∞', | |
| 'ang' => '∠', | |
| 'and' => '∧', | |
| 'or' => '∨', | |
| 'cap' => '∩', | |
| 'cup' => '∪', | |
| 'int' => '∫', | |
| 'there4' => '∴', | |
| 'sim' => '∼', | |
| 'cong' => '≅', | |
| 'asymp' => '≈', | |
| 'ne' => '≠', | |
| 'equiv' => '≡', | |
| 'le' => '≤', | |
| 'ge' => '≥', | |
| 'sub' => '⊂', | |
| 'sup' => '⊃', | |
| 'nsub' => '⊄', | |
| 'sube' => '⊆', | |
| 'supe' => '⊇', | |
| 'oplus' => '⊕', | |
| 'otimes' => '⊗', | |
| 'perp' => '⊥', | |
| 'sdot' => '⋅', | |
| 'lceil' => '⌈', | |
| 'rceil' => '⌉', | |
| 'lfloor' => '⌊', | |
| 'rfloor' => '⌋', | |
| 'lang' => '〈', | |
| 'rang' => '〉', | |
| 'loz' => '◊', | |
| 'spades' => '♠', | |
| 'clubs' => '♣', | |
| 'hearts' => '♥', | |
| 'diams' => '♦', | |
| 'nbsp' => ' ', | |
| 'iexcl' => '¡', | |
| 'cent' => '¢', | |
| 'pound' => '£', | |
| 'curren' => '¤', | |
| 'yen' => '¥', | |
| 'brvbar' => '¦', | |
| 'sect' => '§', | |
| 'uml' => '¨', | |
| 'copy' => '©', | |
| 'ordf' => 'ª', | |
| 'laquo' => '«', | |
| 'not' => '¬', | |
| 'shy' => '­', | |
| 'reg' => '®', | |
| 'macr' => '¯', | |
| 'deg' => '°', | |
| 'plusmn' => '±', | |
| 'sup2' => '²', | |
| 'sup3' => '³', | |
| 'acute' => '´', | |
| 'micro' => 'µ', | |
| 'para' => '¶', | |
| 'middot' => '·', | |
| 'cedil' => '¸', | |
| 'sup1' => '¹', | |
| 'ordm' => 'º', | |
| 'raquo' => '»', | |
| 'frac14' => '¼', | |
| 'frac12' => '½', | |
| 'frac34' => '¾', | |
| 'iquest' => '¿', | |
| 'Agrave' => 'À', | |
| 'Aacute' => 'Á', | |
| 'Acirc' => 'Â', | |
| 'Atilde' => 'Ã', | |
| 'Auml' => 'Ä', | |
| 'Aring' => 'Å', | |
| 'AElig' => 'Æ', | |
| 'Ccedil' => 'Ç', | |
| 'Egrave' => 'È', | |
| 'Eacute' => 'É', | |
| 'Ecirc' => 'Ê', | |
| 'Euml' => 'Ë', | |
| 'Igrave' => 'Ì', | |
| 'Iacute' => 'Í', | |
| 'Icirc' => 'Î', | |
| 'Iuml' => 'Ï', | |
| 'ETH' => 'Ð', | |
| 'Ntilde' => 'Ñ', | |
| 'Ograve' => 'Ò', | |
| 'Oacute' => 'Ó', | |
| 'Ocirc' => 'Ô', | |
| 'Otilde' => 'Õ', | |
| 'Ouml' => 'Ö', | |
| 'times' => '×', | |
| 'Oslash' => 'Ø', | |
| 'Ugrave' => 'Ù', | |
| 'Uacute' => 'Ú', | |
| 'Ucirc' => 'Û', | |
| 'Uuml' => 'Ü', | |
| 'Yacute' => 'Ý', | |
| 'THORN' => 'Þ', | |
| 'szlig' => 'ß', | |
| 'agrave' => 'à', | |
| 'aacute' => 'á', | |
| 'acirc' => 'â', | |
| 'atilde' => 'ã', | |
| 'auml' => 'ä', | |
| 'aring' => 'å', | |
| 'aelig' => 'æ', | |
| 'ccedil' => 'ç', | |
| 'egrave' => 'è', | |
| 'eacute' => 'é', | |
| 'ecirc' => 'ê', | |
| 'euml' => 'ë', | |
| 'igrave' => 'ì', | |
| 'iacute' => 'í', | |
| 'icirc' => 'î', | |
| 'iuml' => 'ï', | |
| 'eth' => 'ð', | |
| 'ntilde' => 'ñ', | |
| 'ograve' => 'ò', | |
| 'oacute' => 'ó', | |
| 'ocirc' => 'ô', | |
| 'otilde' => 'õ', | |
| 'ouml' => 'ö', | |
| 'divide' => '÷', | |
| 'oslash' => 'ø', | |
| 'ugrave' => 'ù', | |
| 'uacute' => 'ú', | |
| 'ucirc' => 'û', | |
| 'uuml' => 'ü', | |
| 'yacute' => 'ý', | |
| 'thorn' => 'þ', | |
| 'yuml' => 'ÿ' | |
| ); | |
| // Entity not found? Destroy it. | |
| return isset($table[$matches[1]]) ? $table[$matches[1]] : ''; | |
| } | |
| ?> |
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