解决mac安装php8 找不到 libxml/parser.h

报错：

core/xmlconf.c:9:10: fatal error: 'libxml/parser.h' file not found
    #include <libxml/parser.h>
             ^~~~~~~~~~~~~~~~~
    1 error generated.

# 创建软链接
ln -s /usr/include/libxml2/libxml /usr/include/libxml