(PHP 5 >= 5.1.0)
htmlspecialchars_decode — Convert special HTML entities back to characters
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 >.
The string to decode
The quote style. One of the following 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 |
Returns the decoded string.
Example#1 A htmlspecialchars_decode() example
<?php
$str = '<p>this -> "</p>';
echo htmlspecialchars_decode($str);
// note that here the quotes aren't converted
echo htmlspecialchars_decode($str, ENT_NOQUOTES);
?>
上例将输出：
<p>this -> "</p> <p>this -> "</p>