是否有任何将法语重音符号转换为HTML编码字符的功能

Question

PHP中是否有用于将Accented字符（例如法语中存在的字符）转换为HTML编码字符的函数？

Answer 1

您唯一需要做的就是确保它们是有效的UTF8并设置适当的content-tyoe标头（text/html; charset=utf-8）。

现在没有理由为这些角色使用HTML实体。

Answer 2

您编写HTML编码字符，因此我假设您要将字符转换为HTML Entitites^­Ref。这些是在HTML 2（ISO Latin 1 Character Entity Set）以及HTML 3.2（Character Entities for ISO Latin-1）中引入的，最后是HTML 4中的一些（Character entity references in HTML 4）。

您尚未分享您正在使用的哪些HTML版本，因此我建议您查看List of XML and HTML character entity references^­Wikidpedia以找到您要替换的版本。

与这些相关的PHP函数称为：htmlentities^­Docs。

感谢the content-type header in HTTP和it's equivaltent in HTML，没有必要将这些字符编码为实体，因为您可以告诉浏览器您正在使用哪个字符集。只有在字符不是用于输出/响应的编码的一部分时，才需要使用实体。

对于这些情况，可以使用htmlentities^­Docs或strtr^­Docs函数。由于您没有指定数据和目标涉及哪种编码，因此不能给出具体的代码示例，只能是一般代码：

echo htmlentities ($string, ENT_HTML401, $encoding = 'YOUR STRING ENCODING');

ENT_HTML401 translation table^­Docs的转换次数将超过您可能要求的字符数。

您也可以创建自己的转换表，并使用strtr^­Docs函数进行转换，而不是使用内置转换表。如果htmlentities不支持您的数据编码，也需要这样做，例如Adobe符号字体（请参阅：How to convert Symbol font to standard utf8 HTML entity）。或者因为您只想运行自己的转换（请参阅How to substitute non SGML characters in String using PHP?）。

/*
 * mappings of Windows-1252 (cp1252)  128 (0x80) - 159 (0x9F) characters:
 * @link http://en.wikipedia.org/wiki/Windows-1252
 * @link http://www.w3.org/TR/html4/sgml/entities.html
 */
$cp1252HTML401Entities = array(
    "\x80" => '€',    # 128 -> euro sign, U+20AC NEW
    "\x82" => '‚',   # 130 -> single low-9 quotation mark, U+201A NEW
    "\x83" => 'ƒ',    # 131 -> latin small f with hook = function = florin, U+0192 ISOtech
    "\x84" => '„',   # 132 -> double low-9 quotation mark, U+201E NEW
    "\x85" => '…',  # 133 -> horizontal ellipsis = three dot leader, U+2026 ISOpub
    "\x86" => '†',  # 134 -> dagger, U+2020 ISOpub
    "\x87" => '‡',  # 135 -> double dagger, U+2021 ISOpub
    "\x88" => 'ˆ',    # 136 -> modifier letter circumflex accent, U+02C6 ISOpub
    "\x89" => '‰',  # 137 -> per mille sign, U+2030 ISOtech
    "\x8A" => 'Š',  # 138 -> latin capital letter S with caron, U+0160 ISOlat2
    "\x8B" => '‹',  # 139 -> single left-pointing angle quotation mark, U+2039 ISO proposed
    "\x8C" => 'Œ',   # 140 -> latin capital ligature OE, U+0152 ISOlat2
    "\x8E" => 'Ž',    # 142 -> U+017D
    "\x91" => '‘',   # 145 -> left single quotation mark, U+2018 ISOnum
    "\x92" => '’',   # 146 -> right single quotation mark, U+2019 ISOnum
    "\x93" => '“',   # 147 -> left double quotation mark, U+201C ISOnum
    "\x94" => '”',   # 148 -> right double quotation mark, U+201D ISOnum
    "\x95" => '•',    # 149 -> bullet = black small circle, U+2022 ISOpub
    "\x96" => '–',   # 150 -> en dash, U+2013 ISOpub
    "\x97" => '—',   # 151 -> em dash, U+2014 ISOpub
    "\x98" => '˜',   # 152 -> small tilde, U+02DC ISOdia
    "\x99" => '™',   # 153 -> trade mark sign, U+2122 ISOnum
    "\x9A" => 'š',  # 154 -> latin small letter s with caron, U+0161 ISOlat2
    "\x9B" => '›',  # 155 -> single right-pointing angle quotation mark, U+203A ISO proposed
    "\x9C" => 'œ',   # 156 -> latin small ligature oe, U+0153 ISOlat2
    "\x9E" => 'ž',    # 158 -> U+017E
    "\x9F" => 'Ÿ',    # 159 -> latin capital letter Y with diaeresis, U+0178 ISOlat2
);

$outputWithEntities = strtr($output, $cp1252HTML401Entities);

Answer 3

来源：http://coding.smashingmagazine.com/2011/11/02/introduction-to-url-rewriting/

尝试此功能：

function GenerateUrl ($s) {
  //Convert accented characters, and remove parentheses and apostrophes
  $from = explode (',', "ç,æ,œ,á,é,í,ó,ú,à,è,ì,ò,ù,ä,ë,ï,ö,ü,ÿ,â,ê,î,ô,û,å,e,i,ø,u,(,),[,],'");
  $to = explode (',', 'c,ae,oe,a,e,i,o,u,a,e,i,o,u,a,e,i,o,u,y,a,e,i,o,u,a,e,i,o,u,,,,,,');

  //Do the replacements, and convert all other non-alphanumeric characters to spaces
  $s = preg_replace ('~[^\w\d]+~', '-', str_replace ($from, $to, trim ($s)));

  //Remove a - at the beginning or end and make lowercase
  return strtolower (preg_replace ('/^-/', '', preg_replace ('/-$/', '', $s)));
}