The mb_encode_numericentity() function is an inbuilt function in PHP that is used to convert characters in a given string to their corresponding HTML numeric entity representations.
Syntax
mb_encode_numericentity(
string $string,
array $map,
?string $encoding = null,
bool $hex = false
): string
Parameters
This function accepts four parameters that are described below.
- $string: This parameter specifies the string that is to be decoded.
- $map: The code area that is to be transformed, is represented by the map, which is an array.
- hex: This parameter denotes either the entity reference will be hexadecimal notation or decimal notation.
- $encoding: The encoding parameter denotes the character encoding. If omitted or null, then the internal character encoding value will be used.
Return Value
The mb_encode_numericentity() function returns the encoded string if the function successfully executes otherwise. It will return false.
Program 1: The following program demonstrates the mb_encode_numericentity() function.
PHP
<?php $input_string = "Bonjour tout le monde! Ça va bien ?"; // Check if the input string contains french characters if (preg_match("/[\x{00C0}-\x{02AF}]/u", $input_string)) { $convmap = [0x80, 0x10ffff, 0, 0x7fffffff]; // Encode characters from decimal // (hexadecimal 0x80 to 0x10FFFF) $encoded_string = mb_encode_numericentity( $input_string, $convmap, "UTF-8", true ); } else { $encoded_string = $input_string; } echo $encoded_string; ?> |
Output
Bonjour tout le monde! Ça va bien ?
Program 2: The following program demonstrates the mb_encode_numericentity() function.
PHP
<?php $input_string = "Hello, こんにちは!"; // Encode characters from decimal 128 to 65535 $convmap = [0x80, 0xffff, 0, 0xffff]; $encoded_string = mb_encode_numericentity($input_string, $convmap, "UTF-8"); echo $encoded_string; ?> |
Output:
Hello, こんにちは!
Reference: https://www.php.net/manual/en/function.mb-encode-numericentity.php
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