参考：
<iframe frameborder="0" height="315" src="https://www.youtube.com/embed/VL60RCKv7lQ" width="560"></iframe>
下载合适的XDebug
点击这里，选择合适xdebug
XAMPP配置
php_xdebug-xxxx.dll
拷贝dll至 D:\XAMPP\php\ext
php.ini
文末追加
[XDebug] zend_extension = "D:\XAMPP\php\ext\php_xdebug-2.7.0RC2-7.3-vc15.dll" xdebug.profiler_append = 0 xdebug.profiler_enable = 0 xdebug.profiler_enable_trigger = 0 xdebug.profiler_output_dir = "d:\xampp\tmp" ;xdebug.profiler_output_name = "cachegrind.out.%t-%s" xdebug.remote_enable = 1 xdebug.remote_handler = "dbgp" xdebug.remote_host = "127.0.0.1" xdebug.remote_log="d:\xampp\tmp\xdebug.txt" xdebug.remote_port = 9000 xdebug.trace_output_dir = "d:\xampp\tmp" ; 3600 (1 hour), 36000 = 10h xdebug.remote_cookie_expire_time = 36000 xdebug.idekey="PhpStorm"
Stop/Start Apache
检查xdebug是否安装成功
方法1：运行 http://localhost/dashboard/phpinfo.php 并检查xdebug
方法2：php -m 并检查xdebug
PHPStorm配置
xdebug相应配置
- 打开phpStorm，进入File>Settings>PHP>Servers，这里要填写服务器端的相关信息，name填localhost，host填localhost，port填80，debugger选XDebug
- 进入File>Settings>PHP>Debug，看到XDebug选项卡，port填9000，其他默认
- 进入File>Settings>PHP>Debug>DBGp Proxy，IDE key 填 PHPSTORM，host 填localhost，port 填80
- 点OK退出设置
PHPstorm项目配置
指定PHP intepreter
指定项目部署位置
浏览器配置
在适当浏览器上安装插件，这里
- easiest Xdebug for Firefox：这个扩展是Firefox上用于使得与IDE一起调试起来更加容易。你可以在https://addons.mozilla.org/en-US/firefox/addon/the-easiest-xdebug/上找到这个扩展.
- Xdebug Helper for Chrome：这个扩展是运行在Chrome浏览器上的，它将会帮助你通过点击一下按钮就可以允许/禁止调试和性能分析。你可以在https://chrome.google.com/extensions/detail/eadndfjplgieldjbigjakmdgkmoaaaoc找到这个扩展.
- Xdebug Toggler for Safari：这个扩展是运行在Safari上的，允许你在Safari中自动的开始Xdebug调试过程，你可以在Github上找到这个扩展https://github.com/benmatselby/xdebug-toggler.
- Xdebug launcher for Opera：这个扩展是运行在Opera上的，它允许你在Xdebug上开启一个Xdebug会话。
以Chrome为例，安装完插件后如图
测试xdebug
实验代码
orderform.html
<html>
<head><title>Bob's Auto Parts</title></head>
<body>
<form action="processorder.php" method="post">
<table border="0">
<tr bgcolor="#cccccc">
<td width="150">Item</td>
<td width="15">Quantity</td>
</tr>
<tr>
<td>Tires</td>
<td align="center"><input type="text" name="tireqty" size="3"
maxlength="3" /></td>
</tr>
<tr>
<td>Oil</td>
<td align="center"><input type="text" name="oilqty" size="3"
maxlength="3" /></td>
</tr>
<tr>
<td>Spark Plugs</td>
<td align="center"><input type="text" name="sparkqty" size="3"
maxlength="3" /></td>
</tr>
<tr>
<td>How did you find Bob's?</td>
<td><select name="find">
<option value = "a">I'm a regular customer</option>
<option value = "b">TV advertising</option>
<option value = "c">Phone directory</option>
<option value = "d">Word of mouth</option>
</select>
</td>
</tr>
<tr>
<td colspan="2" align="center"><input type="submit" value="Submit Order" /></td>
</tr>
</table>
</form>
</body>
</html>
View Code
processorder.php
<html>
<head>
<title>Bob's Auto Parts - Order Results</title>
</head>
<body>
<h1>Bob's Auto Parts</h1>
<h2>Order Results</h2>
<?php
echo '<p>Order processed at ';
echo date('H:i, jS F');
echo '</p>';
echo '<p>Your order is as follows: </p>';
echo $tireqty.' tires<br />';
echo $oilqty.' bottles of oil<br />';
echo $sparkqty.' spark plugs<br />';
$totalqty = 0;
$totalamount = 0.00;
$totalqty = 0;
$totalqty = $tireqty + $oilqty + $sparkqty;
echo 'Items ordered: '.$totalqty.'<br />';
$totalamount = 0.00;
define('TIREPRICE', 100);
define('OILPRICE', 10);
define('SPARKPRICE', 4);
$totalamount = $tireqty * TIREPRICE
+ $oilqty * OILPRICE
+ $sparkqty * SPARKPRICE;
echo 'Subtotal: $'.number_format($totalamount,2).'<br />';
$taxrate = 0.10; // local sales tax is 10%
$totalamount = $totalamount * (1 + $taxrate);
echo 'Total including tax: $'.number_format($totalamount,2).'<br />';
?>
</body>
</html>
View Code
调试演示
在PHP中打断点，浏览器触发断点