   #PHP Manual String functions hebrevc htmlentities

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                              html_entity_decode

   (PHP 4 >= 4.3.0)
   html_entity_decode --  Convert all HTML entities to their applicable
   characters

Description

   string html_entity_decode ( string string [, int quote_style [, string
   charset]])

   html_entity_decode() is the opposite of htmlentities() in that it
   converts all HTML entities to their applicable characters from string.

   The optional second quote_style parameter lets you define what will be
   done with 'single' and "double" quotes. It takes on one of three
   constants with the default being ENT_COMPAT:

   Table 1. Available quote_style constants
   Constant Name Description
   ENT_COMPAT    Will convert double-quotes and leave single-quotes alone.
   ENT_QUOTES    Will convert both double and single quotes.
   ENT_NOQUOTES  Will leave both double and single quotes unconverted.

   The ISO-8859-1 character set is used as default for the optional third
   charset. This defines the character set used in conversion. Support
   for this third argument was added in PHP 4.1.0.

   Following character sets are supported in PHP 4.3.0 and later.

   Table 2. Supported charsets
   Charset Aliases Description
   ISO-8859-1 ISO8859-1 Western European, Latin-1
   ISO-8859-15 ISO8859-15 Western European, Latin-9. Adds the Euro sign,
   French and Finnish letters missing in Latin-1(ISO-8859-1).
   UTF-8   ASCII compatible multi-byte 8-bit Unicode.
   cp866 ibm866, 866 DOS-specific Cyrillic charset. This charset is
   supported in 4.3.2.
   cp1251 Windows-1251, win-1251, 1251 Windows-specific Cyrillic charset.
   This charset is supported in 4.3.2.
   cp1252 Windows-1252, 1252 Windows specific charset for Western
   European.
   KOI8-R koi8-ru, koi8r Russian. This charset is supported in 4.3.2.
   BIG5 950 Traditional Chinese, mainly used in Taiwan.
   GB2312 936 Simplified Chinese, national standard character set.
   BIG5-HKSCS   Big5 with Hong Kong extensions, Traditional Chinese.
   Shift_JIS SJIS, 932 Japanese
   EUC-JP EUCJP Japanese

     Note: Any other character sets are not recognized and ISO-8859-1
     will be used instead.

   Example 1. Decoding HTML entities
   <?php
   $orig = "I'll \"walk\" the <b>dog</b> now";
   $a = htmlentities($orig);
   $b = html_entity_decode($a);
   echo $a; // I'll &quot;walk&quot; the &lt;b&gt;dog&lt;/b&gt; now
   echo $b; // I'll "walk" the <b>dog</b> now
   // For users prior to PHP 4.3.0 you may do this:
   function unhtmlentities($string) {
       $trans_tbl = get_html_translation_table(HTML_ENTITIES);
       $trans_tbl = array_flip($trans_tbl);
       return strtr($string, $trans_tbl);
   }
   $c = unhtmlentities($a);
   echo $c; // I'll "walk" the <b>dog</b> now
   ?>

     Note: You might wonder why trim(html_entity_decode('&nbsp;'));
     doesn't reduce the string to an empty string, that's because the
     '&nbsp;' entity is not ASCII code 32 (which is stripped by trim())
     but ASCII code 160 (0xa0) in the default ISO 8859-1 characterset.

   See also htmlentities(), htmlspecialchars(),
   get_html_translation_table(), htmlspecialchars() and urldecode().
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