php htmlspecialchars_decode

<?php
// htmlspecialchars_decode 函数把特殊的 HTML 实体转换回普通字符。

// 示例 1: 基本用法
$original = "This is a "quote" and &amp; other characters.";
$decoded = htmlspecialchars_decode($original);
echo $decoded;
// 输出: This is a "quote" and & other characters.

// 示例 2: 只转换双引号
$original = "This is a "quote" and &amp; other characters.";
$decoded = htmlspecialchars_decode($original, ENT_NOQUOTES);
echo $decoded;
// 输出: This is a "quote" and & other characters.

// 示例 3: 转换所有引号
$original = "This is a "quote" and &apos;single quote&apos;.";
$decoded = htmlspecialchars_decode($original, ENT_QUOTES);
echo $decoded;
// 输出: This is a "quote" and 'single quote'.
?>