mb_encode_mimeheader
mb_encoding_aliases
Multibyte String Functions
PHP Manual

# mb_encode_numericentity

Encode character to HTML numeric string reference

### Description

string mb_encode_numericentity ( string `$str` , array `$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.

### Parameters

`str`

  The string being encoded.

`convmap`

  `convmap` is array specifies code area to convert.

`encoding`

  The `encoding` parameter is the character encoding. If it is omitted, the internal character encoding value will be used.

`is_hex`

### Return Values

The converted string.

### Changelog

Version | Description
--- | ---
5.4.0 | Added `is_hex` parameter.

### Examples

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.
?>`

### Examples

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");
?>`

### See Also

- mb_decode_numericentity