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　　 The html_entity_decode() function is used to convert HTML entities to their corresponding characters

string html_entity_decode ( string $string [, int $flags = ENT_COMPAT | ENT_HTML401　[, string $encoding = ini_get("default_charset") ])

It is used to convert HTML entities to the application characters

It returns the decoded string.

Serial number	Parameters and descriptions
1	string It contains information about the input string
2	flags Optional. Specifies how quotes are handled and which document type is used. Available quote types: ENT_COMPAT - Default. Decode double quotes only. ENT_QUOTES - Decode double quotes and single quotes. ENT_NOQUOTES - Do not decode any quotes. Additional flags specified for the document type used: ENT_HTML401 - Default. As HTML 4.01 Processing code. ENT_HTML5 - As HTML 5 Processing code. ENT_XML1 - As XML 1 Processing code. ENT_XHTML - As XHTML processing code.
3	Optional. A string that specifies the character set to use. Allowed values: UTF-8 - Default. ASCII compatible multibyte 8 Bit Unicode ISO-8859-1 - Western European ISO-8859-15 - Western European (including euro symbol + ISO-8859-1 missing French and Finnish letters） cp866 - DOS专用 Cyrillic character set cp1251 - Windows专用 Cyrillic character set cp1252 - Windows专用 Western European character set KOI8-R - Russian BIG5 - Traditional Chinese, mainly used in Taiwan GB2312 - Simplified Chinese, National Standard Character Set BIG5-HKSCS - Big5 with Hong Kong extension5 Shift_JIS - Japanese EUC-JP - Japanese MacRoman - Character set used by the Mac operating system Note:in PHP 5.4 earlier versions, unrecognized character sets will be ignored and replaced by ISO-8859-1 instead. Since PHP 5.4 Starting from PHP-8 instead.

Try the following example, convert HTML entities to characters:

Example

<?php
　　　$input　=　"w3codebox\".com\"　simply　<b>easy</b>　learning";
　　　$ab　=　htmlentities($input);
　　　$b　=　html_entity_decode($ab);
　　　echo　$b;
?>

Output Result-

w3codebox　".com"　simply　<b>easy</b>　learning