Encode character to HTML numeric string reference

mb_encode_numericentity

(PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)

mb_encode_numericentity — Encode character to HTML numeric string reference

說明

mb_encode_numericentity(
    string $string,
    array $map,
    ?string $encoding = null,
    bool $hex = false
): string

Converts specified character codes in string string from character code to HTML numeric character reference.

參數

string

The string being encoded.

map

map is array specifies code area to convert.

encoding

encoding 參數為字元編碼。如果省略或是 null,則使用內部字元編碼。

hex

Whether the returned entity reference should be in hexadecimal notation (otherwise it is in decimal notation).

返回值

The converted string.

更新日誌

版本說明
8.0.0 現在 encoding 可以為 null。

範例

示例 #1 map 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.
?>

示例 #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");
?>

參見

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