htmlspecialchars_decode Convert special HTML entities back to characters

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($str, ENT_NOQUOTES);
?>