PHP: htmlentities() function

Last update on October 03 2024 11:55:41 (UTC/GMT +8 hours)

PHP: Convert all applicable characters to HTML entities

The htmlentities() function is used to convert all applicable characters to HTML entities.

Version:

(PHP 4 and above)

Syntax:

htmlentities(input_string, quote_style, charset, double_encode )

Parameters:

Name	Description	Required / Optional	Type
input_string	The string to be converted.	Required	String
quote_style	Encoding single and double quote. ENT_COMPAT : Convert double quotes and leave single quotes unchanged. ENT_COMPAT is the default setting ENT_QUOTES : Converts both single and double quotes. ENT_NOQUOTES: Converts neither single nor double quotes.	Optional	Integer
charset	Refers the character set to be used. List of character set. ISO-8859-1 : Western European, Latin-1 [default character set]. ISO-8859-15 : Western European, Latin-9. UTF-8 : ASCII compatible multi-byte 8-bit Unicode. cp866 : DOS-specific Cyrillic charset. cp1251 : Windows-specific Cyrillic charset. cp1252 : Windows-specific charset for Western European. KOI8-R : Russian. BIG5 : Traditional Chinese. GB2312 : Simplified Chinese. BIG5-HKSCS : Big5 with Hong Kong extensions. Shift_JIS : Japanese. EUC-JP : Japanese.	Optional	String
double_encode	Converts nothing when double_encode is off. The default is to convert everything.	Optional	Boolean

Return values:

The encoded string.

Value Type: String.

Example:

<?php
$convert = htmlentities("<li><a href='index.php'>We are learning php</a></li>", ENT_QUOTES); 
echo $convert;
?>

Output:

<li><a href='index.php'>We are learning   php</a></li>

See also

PHP Function Reference

Previous: html_entity_decode
Next: htmlspecialchars_ decode