[Web] [求助]谁能帮忙解释一下，关于pear-Archive_Tar-1.2

[weixin_38051012]

===>;  Installing for pear-Archive_Tar-1.2
===>;   pear-Archive_Tar-1.2 depends on executable: pear - not found
===>;    Verifying install for pear in /usr/ports/devel/php4-pear
This port requires the CLI or the CGI version of PHP, but you have
already installed a conflicting PHP port without them.
*** Error code 1

Stop in /usr/ports/devel/php4-pear.
*** Error code 1
我的英文太差了，不太明白！