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PHP html_entity_decode() Function

❮ PHP String Reference


Convert HTML entities to characters:

$str = '&lt;a href=&quot;https://www.w3schools.com&quot;&gt;w3schools.com&lt;/a&gt;';
echo html_entity_decode($str);

The HTML output of the code above will be (View Source):

<a href="https://www.w3schools.com">w3schools.com</a>

The browser output of the code above will be:

Definition and Usage

The html_entity_decode() function converts HTML entities to characters.

The html_entity_decode() function is the opposite of htmlentities().



Parameter Values

Parameter Description
string Required. Specifies the string to decode
flags Optional. Specifies how to handle quotes and which document type to use.

The available quote styles are:

  • ENT_COMPAT - Default. Decodes only double quotes
  • ENT_QUOTES - Decodes double and single quotes
  • ENT_NOQUOTES - Does not decode any quotes

Additional flags for specifying the used doctype:

  • ENT_HTML401 - Default. Handle code as HTML 4.01
  • ENT_HTML5 - Handle code as HTML 5
  • ENT_XML1 - Handle code as XML 1
  • ENT_XHTML - Handle code as XHTML
character-set Optional. A string that specifies which character-set to use.

Allowed values are:

  • UTF-8 - Default. ASCII compatible multi-byte 8-bit Unicode
  • ISO-8859-1 - Western European
  • ISO-8859-15 - Western European (adds the Euro sign + French and Finnish letters missing in ISO-8859-1)
  • cp866 - DOS-specific Cyrillic charset
  • cp1251 - Windows-specific Cyrillic charset
  • cp1252 - Windows specific charset for Western European
  • KOI8-R - Russian
  • BIG5 - Traditional Chinese, mainly used in Taiwan
  • GB2312 - Simplified Chinese, national standard character set
  • BIG5-HKSCS - Big5 with Hong Kong extensions
  • Shift_JIS - Japanese
  • EUC-JP - Japanese
  • MacRoman - Character-set that was used by Mac OS

Note: Unrecognized character-sets will be ignored and replaced by ISO-8859-1 in versions prior to PHP 5.4. As of PHP 5.4, it will be ignored an replaced by UTF-8.

Technical Details

Return Value: Returns the converted string
PHP Version: 4.3.0+
Changelog: PHP 5.6 - Changed the default value for the character-set parameter to the value of the default charset (in configuration).
PHP 5.4 - Changed the default value for the character-set parameter to UTF-8.
PHP 5.0 - Added support for multi-byte encodings

More Examples


Convert some HTML entities to characters:

$str = "Albert Einstein said: &#039;E=MC&sup2;&#039;";
echo html_entity_decode($str, ENT_COMPAT); // Will only convert double quotes
echo "<br>";
echo html_entity_decode($str, ENT_QUOTES); // Converts double and single quotes
echo "<br>";
echo html_entity_decode($str, ENT_NOQUOTES); // Does not convert any quotes

The HTML output of the code above will be (View Source):

Albert Einstein said: &#039;E=MC²&#039;<br>
Albert Einstein said: 'E=MC²'<br>
Albert Einstein said: &#039;E=MC²&#039;

The browser output of the code above will be:

Albert Einstein said: 'E=MC²'
Albert Einstein said: 'E=MC²'
Albert Einstein said: 'E=MC²'


Convert some HTML entities to characters, using the Western European character-set:

$str = "My name is &Oslash;yvind &Aring;sane. I&#039;m Norwegian.";
echo html_entity_decode($str, ENT_QUOTES, "UTF-8");

The HTML output of the code above will be (View Source):

My name is Øyvind Åsane. I'm Norwegian.

The browser output of the code above will be:

My name is Øyvind Åsane. I'm Norwegian.

❮ PHP String Reference