Definition and usage of php htmlentities() function-PHP开发-php.cn

Definition and usage of php htmlentities() function

高洛峰

Release： 2017-01-03 14:12:50

Original

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php htmlentities() function converts characters into HTML entities. This article introduces the basic usage and examples of the php htmlentities() function to coders. Coders in need can refer to it.

Definition and usage

htmlentities() function converts characters into HTML entities.

Tip: To convert HTML entities back to characters, use the html_entity_decode() function.

Tip: Please use the get_html_translation_table() function to return the translation table used by htmlentities().

Syntax

htmlentities(string,flags,character-set,double_encode)

php htmlentities()函数的定义和用法

##Technical details

php htmlentities()函数的定义和用法

Example 1

Convert characters to HTML entities:

";
echo htmlentities($str, ENT_QUOTES); // 转换双引号和单引号
echo "
";
echo htmlentities($str, ENT_NOQUOTES); // 不转换任何引号
?>

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The HTML output of the above code is as follows (view Source code):




Bill & 'Steve'

Bill & 'Tarzan'

Bill & 'Steve'

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Browser output of the above code:

Bill & 'Steve'
Bill & 'Steve'
Bill & 'Steve'

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Example 2

Convert some characters to HTML entities by using Western European character sets:

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The HTML output of the above code is as follows (view source code ):




My name is Øyvind Åsane. I'm Norwegian.

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Browser output of the above code:

My name is ?yvind ?sane. I'm Norwegian.

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