(PHP 4 >= 4.0.6, PHP 5)
mb_encode_numericentity — Encode character to HTML numeric string reference
$str
   , array $convmap
   [, string $encoding = mb_internal_encoding()
   [, bool $is_hex = FALSE
  ]] )
   Converts
   specified character codes in string str
   from HTML numeric character reference to character code.    
  
strThe string being encoded.
convmap
       convmap is array specifies code area to
       convert.
      
encodingThe encoding
parameter is the character encoding. If it is omitted, the internal character
encoding value will be used.
is_hex
The converted string.
| Version | Description | 
|---|---|
| 5.4.0 | Added is_hexparameter. | 
Example #1 convmap example
<?php
$convmap = array (
 int start_code1, int end_code1, int offset1, int mask1,
 int start_code2, int end_code2, int offset2, int mask2,
 ........
 int start_codeN, int end_codeN, int offsetN, int maskN );
// Specify Unicode value for start_codeN and end_codeN
// Add offsetN to value and take bit-wise 'AND' with maskN, then
// it converts value to numeric string reference.
?>
Example #2 mb_encode_numericentity() example
<?php
/* Convert Left side of ISO-8859-1 to HTML numeric character reference */
$convmap = array(0x80, 0xff, 0, 0xff);
$str = mb_encode_numericentity($str, $convmap, "ISO-8859-1");
/* Convert user defined SJIS-win code in block 95-104 to numeric
   string reference */
$convmap = array(
       0xe000, 0xe03e, 0x1040, 0xffff,
       0xe03f, 0xe0bb, 0x1041, 0xffff,
       0xe0bc, 0xe0fa, 0x1084, 0xffff,
       0xe0fb, 0xe177, 0x1085, 0xffff,
       0xe178, 0xe1b6, 0x10c8, 0xffff,
       0xe1b7, 0xe233, 0x10c9, 0xffff,
       0xe234, 0xe272, 0x110c, 0xffff,
       0xe273, 0xe2ef, 0x110d, 0xffff,
       0xe2f0, 0xe32e, 0x1150, 0xffff,
       0xe32f, 0xe3ab, 0x1151, 0xffff );
$str = mb_encode_numericentity($str, $convmap, "sjis-win");
?>