問(wèn)題：使用Apache2.4配置php7.0.6和php7.2.1，php7.0.6可以啟動(dòng)，而php7.2.1無(wú)法啟動(dòng)。

httpd.conf配置參數(shù)如下：

<IfDefine php7.0.6>
    LoadModule php7_module "C:/php7.0.6/php7apache2_4.dll"
    PHPIniDir "C:/php7.0.6"
</IfDefine>
<IfDefine php7.2.1>
    LoadModule php7_module "C:/php7.2.1/php7apache2_4.dll"
    PHPIniDir "C:/php7.2.1"
</IfDefine>
<IfModule mime_module>
    TypesConfig conf/mime.types
    AddType application/x-httpd-php .php .inc
</IfModule>

CMD執(zhí)行安裝服務(wù)命令的結(jié)果如下：

C:\Apache24\bin>httpd.exe -k install -n "Apache2.4_PHP7.2.1" -D php7.2.1
Installing the 'Apache2.4_PHP7.2.1' service
The 'Apache2.4_PHP7.2.1' service is successfully installed.
Testing httpd.conf....
Errors reported here must be corrected before the service can be started.

CMD測(cè)試安裝好像也是OK的：

C:\Apache24\bin>httpd.exe -n "Apache2.4_PHP7.2.1" -t
Syntax OK

但是創(chuàng)建的Apache2.4_PHP7.2.1服務(wù)無(wú)法啟動(dòng)，error.log文件內(nèi)有如下的錯(cuò)誤記錄：

[Tue Jan 09 10:51:37.960749 2018] [core:warn] [pid 12396:tid 604] AH00098: pid file C:/Apache24/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run?

PHP擴(kuò)展的extension全部都是注釋狀態(tài)的，PHP.ini文件是初始狀態(tài)的，只修改了extension_dir。