htmlspecialchars_decode Convert special HTML entities back to characters php函数


htmlspecialchars_decode

(PHP 5 >= 5.1.0)

htmlspecialchars_decode Convert special HTML entities back to characters

说明

string htmlspecialchars_decode ( string $string [, int $quote_style = ENT_COMPAT ] )

This function is the opposite of htmlspecialchars(). It converts special HTML entities back to characters.

The converted entities are: &, " (when ENT_NOQUOTES is not set), ' (when ENT_QUOTES is set), < and >.

参数

string

The string to decode

quote_style

The quote style. One of the following constants:

quote_style constants
Constant Name Description
ENT_COMPAT Will convert double-quotes and leave single-quotes alone (default)
ENT_QUOTES Will convert both double and single quotes
ENT_NOQUOTES Will leave both double and single quotes unconverted

返回值

Returns the decoded string.

范例

Example #1 A htmlspecialchars_decode() example

<?php
$str 
'<p>this -&gt; &quot;</p>';

echo 
htmlspecialchars_decode($str);

// note that here the quotes aren't converted
echo htmlspecialchars_decode($strENT_NOQUOTES);
?>

以上例程会输出:

<p>this -> "</p>
<p>this -> &quot;</p>

参见

  • htmlspecialchars() - Convert special characters to HTML entities
  • html_entity_decode() - Convert all HTML entities to their applicable characters
  • get_html_translation_table() - 返回使用 htmlspecialchars 和 htmlentities 后的转换表



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