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November 8, 2010 18:20
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php function that replaces html entities with ascii near-equivalents
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| function asciify($text) { | |
| $entities = array(); | |
| $ascii = array(); | |
| // 32 through 127 correspond to ascii letters | |
| for ($i = 32; $i < 127; $i++) { | |
| $entities[] = "&#$i;"; | |
| $ascii[] = chr($i); | |
| } | |
| // 32 through 99 have alternates with padding | |
| for ($i = 32; $i < 100; $i++) { | |
| $entities[] = "�$i;"; | |
| $ascii[] = chr($i); | |
| } | |
| $entities[] = " "; $ascii[] = ' '; # non-breaking space | |
| $entities[] = "¡"; $ascii[] = '!'; # inverted exclamation mark | |
| $entities[] = "¢"; $ascii[] = 'cents'; # cent sign | |
| $entities[] = "£"; $ascii[] = 'pounds'; # pound sign | |
| $entities[] = "¤"; $ascii[] = '$'; # currency sign | |
| $entities[] = "¥"; $ascii[] = 'yen'; # yen sign | |
| $entities[] = "¦"; $ascii[] = '|'; # broken vertical bar | |
| $entities[] = "§"; $ascii[] = 'Ss'; # section sign | |
| $entities[] = "¨"; $ascii[] = '``'; # spacing diaeresis - umlaut | |
| $entities[] = "©"; $ascii[] = '(c)'; # copyright sign | |
| $entities[] = "ª"; $ascii[] = 'a'; # feminine ordinal indicator | |
| $entities[] = "«"; $ascii[] = '<<'; # left double angle quotes | |
| $entities[] = "¬"; $ascii[] = '~'; # not sign | |
| $entities[] = "­"; $ascii[] = '-'; # soft hyphen | |
| $entities[] = "®"; $ascii[] = '(r)'; # registered trade mark sign | |
| $entities[] = "¯"; $ascii[] = '-'; # spacing macron - overline | |
| $entities[] = " "; $ascii[] = ' '; # non-breaking space | |
| $entities[] = "¡"; $ascii[] = '!'; # inverted exclamation mark | |
| $entities[] = "¢"; $ascii[] = 'cents'; # cent sign | |
| $entities[] = "£"; $ascii[] = 'pounds'; # pound sign | |
| $entities[] = "¤"; $ascii[] = '$'; # currency sign | |
| $entities[] = "¥"; $ascii[] = 'yen'; # yen sign | |
| $entities[] = "¦"; $ascii[] = '|'; # broken vertical bar | |
| $entities[] = "§"; $ascii[] = 'Ss'; # section sign | |
| $entities[] = "¨"; $ascii[] = '``'; # spacing diaeresis - umlaut | |
| $entities[] = "©"; $ascii[] = '(c)'; # copyright sign | |
| $entities[] = "ª"; $ascii[] = 'a'; # feminine ordinal indicator | |
| $entities[] = "«"; $ascii[] = '<<'; # left double angle quotes | |
| $entities[] = "¬"; $ascii[] = '~'; # not sign | |
| $entities[] = "­"; $ascii[] = '-'; # soft hyphen | |
| $entities[] = "®"; $ascii[] = '(r)'; # registered trade mark sign | |
| $entities[] = "¯"; $ascii[] = '-'; # spacing macron - overline | |
| $entities[] = "°"; $ascii[] = 'deg'; # degree sign | |
| $entities[] = "±"; $ascii[] = '+/-'; # plus-or-minus sign | |
| $entities[] = "²"; $ascii[] = '^2'; # superscript two - squared | |
| $entities[] = "³"; $ascii[] = '^3'; # superscript three - cubed | |
| $entities[] = "´"; $ascii[] = '\''; # acute accent - spacing acute | |
| $entities[] = "µ"; $ascii[] = 'u'; # micro sign | |
| $entities[] = "¶"; $ascii[] = 'par'; # pilcrow sign - paragraph sign | |
| $entities[] = "·"; $ascii[] = '.'; # middle dot - Georgian comma | |
| $entities[] = "¸"; $ascii[] = ','; # spacing cedilla | |
| $entities[] = "¹"; $ascii[] = '^1'; # superscript one | |
| $entities[] = "º"; $ascii[] = '^o'; # masculine ordinal indicator | |
| $entities[] = "»"; $ascii[] = '>>'; # right double angle quotes | |
| $entities[] = "¼"; $ascii[] = '1/4'; # fraction one quarter | |
| $entities[] = "½"; $ascii[] = '1/2'; # fraction one half | |
| $entities[] = "¾"; $ascii[] = '3/4'; # fraction three quarters | |
| $entities[] = "¿"; $ascii[] = '?'; # inverted question mark | |
| $entities[] = "°"; $ascii[] = 'deg'; # degree sign | |
| $entities[] = "±"; $ascii[] = '+/-'; # plus-or-minus sign | |
| $entities[] = "²"; $ascii[] = '^2'; # superscript two - squared | |
| $entities[] = "³"; $ascii[] = '^3'; # superscript three - cubed | |
| $entities[] = "´"; $ascii[] = '\''; # acute accent - spacing acute | |
| $entities[] = "µ"; $ascii[] = 'u'; # micro sign | |
| $entities[] = "¶"; $ascii[] = 'par'; # pilcrow sign - paragraph sign | |
| $entities[] = "·"; $ascii[] = '.'; # middle dot - Georgian comma | |
| $entities[] = "¸"; $ascii[] = ','; # spacing cedilla | |
| $entities[] = "¹"; $ascii[] = '^1'; # superscript one | |
| $entities[] = "º"; $ascii[] = '^o'; # masculine ordinal indicator | |
| $entities[] = "»"; $ascii[] = '>>'; # right double angle quotes | |
| $entities[] = "¼"; $ascii[] = '1/4'; # fraction one quarter | |
| $entities[] = "½"; $ascii[] = '1/2'; # fraction one half | |
| $entities[] = "¾"; $ascii[] = '3/4'; # fraction three quarters | |
| $entities[] = "¿"; $ascii[] = '?'; # inverted question mark | |
| $entities[] = "À"; $ascii[] = 'A'; # latin capital letter A with grave | |
| $entities[] = "Á"; $ascii[] = 'A'; # latin capital letter A with acute | |
| $entities[] = "Â"; $ascii[] = 'A'; # latin capital letter A with circumflex | |
| $entities[] = "Ã"; $ascii[] = 'A'; # latin capital letter A with tilde | |
| $entities[] = "Ä"; $ascii[] = 'A'; # latin capital letter A with diaeresis | |
| $entities[] = "Å"; $ascii[] = 'A'; # latin capital letter A with ring above | |
| $entities[] = "Æ"; $ascii[] = 'AE'; # latin capital letter AE | |
| $entities[] = "Ç"; $ascii[] = 'C'; # latin capital letter C with cedilla | |
| $entities[] = "È"; $ascii[] = 'E'; # latin capital letter E with grave | |
| $entities[] = "É"; $ascii[] = 'E'; # latin capital letter E with acute | |
| $entities[] = "Ê"; $ascii[] = 'E'; # latin capital letter E with circumflex | |
| $entities[] = "Ë"; $ascii[] = 'E'; # latin capital letter E with diaeresis | |
| $entities[] = "Ì"; $ascii[] = 'I'; # latin capital letter I with grave | |
| $entities[] = "Í"; $ascii[] = 'I'; # latin capital letter I with acute | |
| $entities[] = "Î"; $ascii[] = 'I'; # latin capital letter I with circumflex | |
| $entities[] = "Ï"; $ascii[] = 'I'; # latin capital letter I with diaeresis | |
| $entities[] = "À"; $ascii[] = 'A'; # latin capital letter A with grave | |
| $entities[] = "Á"; $ascii[] = 'A'; # latin capital letter A with acute | |
| $entities[] = "Â"; $ascii[] = 'A'; # latin capital letter A with circumflex | |
| $entities[] = "Ã"; $ascii[] = 'A'; # latin capital letter A with tilde | |
| $entities[] = "Ä"; $ascii[] = 'A'; # latin capital letter A with diaeresis | |
| $entities[] = "Å"; $ascii[] = 'A'; # latin capital letter A with ring above | |
| $entities[] = "Æ"; $ascii[] = 'AE'; # latin capital letter AE | |
| $entities[] = "Ç"; $ascii[] = 'C'; # latin capital letter C with cedilla | |
| $entities[] = "È"; $ascii[] = 'E'; # latin capital letter E with grave | |
| $entities[] = "É"; $ascii[] = 'E'; # latin capital letter E with acute | |
| $entities[] = "Ê"; $ascii[] = 'E'; # latin capital letter E with circumflex | |
| $entities[] = "Ë"; $ascii[] = 'E'; # latin capital letter E with diaeresis | |
| $entities[] = "Ì"; $ascii[] = 'I'; # latin capital letter I with grave | |
| $entities[] = "Í"; $ascii[] = 'I'; # latin capital letter I with acute | |
| $entities[] = "Î"; $ascii[] = 'I'; # latin capital letter I with circumflex | |
| $entities[] = "Ï"; $ascii[] = 'I'; # latin capital letter I with diaeresis | |
| $entities[] = "Ð"; $ascii[] = 'EDH'; # latin capital letter ETH | |
| $entities[] = "Ñ"; $ascii[] = 'N'; # latin capital letter N with tilde | |
| $entities[] = "Ò"; $ascii[] = 'O'; # latin capital letter O with grave | |
| $entities[] = "Ó"; $ascii[] = 'O'; # latin capital letter O with acute | |
| $entities[] = "Ô"; $ascii[] = 'O'; # latin capital letter O with circumflex | |
| $entities[] = "Õ"; $ascii[] = 'O'; # latin capital letter O with tilde | |
| $entities[] = "Ö"; $ascii[] = 'O'; # latin capital letter O with diaeresis | |
| $entities[] = "×"; $ascii[] = 'x'; # multiplication sign | |
| $entities[] = "Ø"; $ascii[] = '0'; # latin capital letter O with slash | |
| $entities[] = "Ù"; $ascii[] = 'U'; # latin capital letter U with grave | |
| $entities[] = "Ú"; $ascii[] = 'U'; # latin capital letter U with acute | |
| $entities[] = "Û"; $ascii[] = 'U'; # latin capital letter U with circumflex | |
| $entities[] = "Ü"; $ascii[] = 'U'; # latin capital letter U with diaeresis | |
| $entities[] = "Ý"; $ascii[] = 'Y'; # latin capital letter Y with acute | |
| $entities[] = "Þ"; $ascii[] = 'dh'; # latin capital letter THORN | |
| $entities[] = "ß"; $ascii[] = 'th'; # latin small letter sharp s - ess-zed | |
| $entities[] = "Ð"; $ascii[] = 'EDH'; # latin capital letter ETH | |
| $entities[] = "Ñ"; $ascii[] = 'N'; # latin capital letter N with tilde | |
| $entities[] = "Ò"; $ascii[] = 'O'; # latin capital letter O with grave | |
| $entities[] = "Ó"; $ascii[] = 'O'; # latin capital letter O with acute | |
| $entities[] = "Ô"; $ascii[] = 'O'; # latin capital letter O with circumflex | |
| $entities[] = "Õ"; $ascii[] = 'O'; # latin capital letter O with tilde | |
| $entities[] = "Ö"; $ascii[] = 'O'; # latin capital letter O with diaeresis | |
| $entities[] = "×"; $ascii[] = 'x'; # multiplication sign | |
| $entities[] = "Ø"; $ascii[] = 'O'; # latin capital letter O with slash | |
| $entities[] = "Ù"; $ascii[] = 'U'; # latin capital letter U with grave | |
| $entities[] = "Ú"; $ascii[] = 'U'; # latin capital letter U with acute | |
| $entities[] = "Û"; $ascii[] = 'U'; # latin capital letter U with circumflex | |
| $entities[] = "Ü"; $ascii[] = 'U'; # latin capital letter U with diaeresis | |
| $entities[] = "Ý"; $ascii[] = 'Y'; # latin capital letter Y with acute | |
| $entities[] = "Þ"; $ascii[] = 'dh'; # latin capital letter THORN | |
| $entities[] = "ß"; $ascii[] = 'th'; # latin small letter sharp s - ess-zed | |
| $entities[] = "à"; $ascii[] = 'a'; # latin small letter a with grave | |
| $entities[] = "á"; $ascii[] = 'a'; # latin small letter a with acute | |
| $entities[] = "â"; $ascii[] = 'a'; # latin small letter a with circumflex | |
| $entities[] = "ã"; $ascii[] = 'a'; # latin small letter a with tilde | |
| $entities[] = "ä"; $ascii[] = 'a'; # latin small letter a with diaeresis | |
| $entities[] = "å"; $ascii[] = 'a'; # latin small letter a with ring above | |
| $entities[] = "æ"; $ascii[] = 'ae'; # latin small letter ae | |
| $entities[] = "ç"; $ascii[] = 'c'; # latin small letter c with cedilla | |
| $entities[] = "è"; $ascii[] = 'e'; # latin small letter e with grave | |
| $entities[] = "é"; $ascii[] = 'e'; # latin small letter e with acute | |
| $entities[] = "ê"; $ascii[] = 'e'; # latin small letter e with circumflex | |
| $entities[] = "ë"; $ascii[] = 'e'; # latin small letter e with diaeresis | |
| $entities[] = "ì"; $ascii[] = 'i'; # latin small letter i with grave | |
| $entities[] = "í"; $ascii[] = 'i'; # latin small letter i with acute | |
| $entities[] = "î"; $ascii[] = 'i'; # latin small letter i with circumflex | |
| $entities[] = "ï"; $ascii[] = 'i'; # latin small letter i with diaeresis | |
| $entities[] = "à"; $ascii[] = 'a'; # latin small letter a with grave | |
| $entities[] = "á"; $ascii[] = 'a'; # latin small letter a with acute | |
| $entities[] = "â"; $ascii[] = 'a'; # latin small letter a with circumflex | |
| $entities[] = "ã"; $ascii[] = 'a'; # latin small letter a with tilde | |
| $entities[] = "ä"; $ascii[] = 'a'; # latin small letter a with diaeresis | |
| $entities[] = "å"; $ascii[] = 'a'; # latin small letter a with ring above | |
| $entities[] = "æ"; $ascii[] = 'ae'; # latin small letter ae | |
| $entities[] = "ç"; $ascii[] = 'c'; # latin small letter c with cedilla | |
| $entities[] = "è"; $ascii[] = 'e'; # latin small letter e with grave | |
| $entities[] = "é"; $ascii[] = 'e'; # latin small letter e with acute | |
| $entities[] = "ê"; $ascii[] = 'e'; # latin small letter e with circumflex | |
| $entities[] = "ë"; $ascii[] = 'e'; # latin small letter e with diaeresis | |
| $entities[] = "ì"; $ascii[] = 'i'; # latin small letter i with grave | |
| $entities[] = "í"; $ascii[] = 'i'; # latin small letter i with acute | |
| $entities[] = "î"; $ascii[] = 'i'; # latin small letter i with circumflex | |
| $entities[] = "ï"; $ascii[] = 'i'; # latin small letter i with diaeresis | |
| $entities[] = "ð"; $ascii[] = 'edh'; # latin small letter eth | |
| $entities[] = "ñ"; $ascii[] = 'n'; # latin small letter n with tilde | |
| $entities[] = "ò"; $ascii[] = 'o'; # latin small letter o with grave | |
| $entities[] = "ó"; $ascii[] = 'o'; # latin small letter o with acute | |
| $entities[] = "ô"; $ascii[] = 'o'; # latin small letter o with circumflex | |
| $entities[] = "õ"; $ascii[] = 'o'; # latin small letter o with tilde | |
| $entities[] = "ö"; $ascii[] = 'o'; # latin small letter o with diaeresis | |
| $entities[] = "÷"; $ascii[] = '/'; # division sign | |
| $entities[] = "ø"; $ascii[] = 'o'; # latin small letter o with slash | |
| $entities[] = "ù"; $ascii[] = 'u'; # latin small letter u with grave | |
| $entities[] = "ú"; $ascii[] = 'u'; # latin small letter u with acute | |
| $entities[] = "û"; $ascii[] = 'u'; # latin small letter u with circumflex | |
| $entities[] = "ü"; $ascii[] = 'u'; # latin small letter u with diaeresis | |
| $entities[] = "ý"; $ascii[] = 'y'; # latin small letter y with acute | |
| $entities[] = "þ"; $ascii[] = 'th'; # latin small letter thorn | |
| $entities[] = "ÿ"; $ascii[] = 'y'; # latin small letter y with diaeresis | |
| $entities[] = "ð"; $ascii[] = 'edh'; # latin small letter eth | |
| $entities[] = "ñ"; $ascii[] = 'n'; # latin small letter n with tilde | |
| $entities[] = "ò"; $ascii[] = 'o'; # latin small letter o with grave | |
| $entities[] = "ó"; $ascii[] = 'o'; # latin small letter o with acute | |
| $entities[] = "ô"; $ascii[] = 'o'; # latin small letter o with circumflex | |
| $entities[] = "õ"; $ascii[] = 'o'; # latin small letter o with tilde | |
| $entities[] = "ö"; $ascii[] = 'o'; # latin small letter o with diaeresis | |
| $entities[] = "÷"; $ascii[] = '/'; # division sign | |
| $entities[] = "ø"; $ascii[] = 'o'; # latin small letter o with slash | |
| $entities[] = "ù"; $ascii[] = 'u'; # latin small letter u with grave | |
| $entities[] = "ú"; $ascii[] = 'u'; # latin small letter u with acute | |
| $entities[] = "û"; $ascii[] = 'u'; # latin small letter u with circumflex | |
| $entities[] = "ü"; $ascii[] = 'u'; # latin small letter u with diaeresis | |
| $entities[] = "ý"; $ascii[] = 'y'; # latin small letter y with acute | |
| $entities[] = "þ"; $ascii[] = 'th'; # latin small letter thorn | |
| $entities[] = "ÿ"; $ascii[] = 'y'; # latin small letter y with diaeresis | |
| $entities[] = "Œ"; $ascii[] = 'OE'; # latin capital letter OE | |
| $entities[] = "œ"; $ascii[] = 'oe'; # latin small letter oe | |
| $entities[] = "Š"; $ascii[] = 'S'; # latin capital letter S with caron | |
| $entities[] = "š"; $ascii[] = 's'; # latin small letter s with caron | |
| $entities[] = "Ÿ"; $ascii[] = 'U'; # latin capital letter Y with diaeresis | |
| $entities[] = "ƒ"; $ascii[] = 'f'; # latin small f with hook - function | |
| // Higher Punctuation | |
| $entities[] = " "; $ascii[] = ' '; # en space | |
| $entities[] = " "; $ascii[] = ' '; # em space | |
| $entities[] = " "; $ascii[] = ' '; # thin space | |
| $entities[] = "‌"; $ascii[] = ''; # zero width non-joiner, | |
| $entities[] = "‍"; $ascii[] = ''; # zero width joiner | |
| $entities[] = "‎"; $ascii[] = ''; # left-to-right mark | |
| $entities[] = "‏"; $ascii[] = ''; # right-to-left mark | |
| $entities[] = "–"; $ascii[] = '-'; # en dash | |
| $entities[] = "—"; $ascii[] = '--'; # em dash | |
| $entities[] = "‘"; $ascii[] = '\''; # left single quotation mark, | |
| $entities[] = "’"; $ascii[] = '\''; # right single quotation mark, | |
| $entities[] = "‚"; $ascii[] = '"'; # single low-9 quotation mark | |
| $entities[] = "“"; $ascii[] = '"'; # left double quotation mark, | |
| $entities[] = "”"; $ascii[] = '"'; # right double quotation mark, | |
| $entities[] = "„"; $ascii[] = ',,'; # double low-9 quotation mark | |
| $entities[] = "†"; $ascii[] = '*'; # dagger | |
| $entities[] = "‡"; $ascii[] = '**'; # double dagger | |
| $entities[] = "•"; $ascii[] = '*'; # bullet | |
| $entities[] = "…"; $ascii[] = '...'; # horizontal ellipsis | |
| $entities[] = "‰"; $ascii[] = '0/00'; # per mille sign | |
| $entities[] = "‹"; $ascii[] = '<'; # single left-pointing angle quotation mark, | |
| $entities[] = "›"; $ascii[] = '>'; # single right-pointing angle quotation mark, | |
| $entities[] = "€"; $ascii[] = 'euro'; # euro sign | |
| $entities[] = "€"; $ascii[] = 'euro'; # euro sign | |
| $entities[] = "™"; $ascii[] = '(TM)'; # trade mark sign | |
| $entities[] = "&"; $ascii[] = '&'; # ampersand | |
| $output = str_replace($entities, $ascii, $text); | |
| // For CDATA: Remove any instances of ]]> that may have accidentally been created. | |
| // $output = str_replace(']]>', '', $output); | |
| return $output; | |
| } |
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