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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>PHP 赋值运算符 实例 - 自学教程(runoops.com)</title>
</head>
<body>
<?php
$x=10;
echo $x; // 输出10
echo '<br />';
$y=20;
$y += 100;
echo $y; // 输出120
$z=50;
$z -= 25;