在Ubuntu 14.04上，我从ondrej PPA使用了PHP 5.5。 我想升级到PHP 5.6。
添加了新的PPA apt-get update && apt-get upgrade。
php5-json失败了。
我已清除所有PHP，所有PHP PPA存储库，已删除/etc/php5 /usr/lib/php5 /var/lib/php5。
添加了PHP 5.6 PPA - 下一步：
➜ ~ sudo apt-get install php5-json
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
php5-common
Suggested packages:
php5-user-cache
The following NEW packages will be installed:
php5-common php5-json
0 upgraded, 2 newly installed, 0 to remove and 5 not upgraded.
Need to get 0 B/728 kB of archives.
After this operation, 1,331 kB of additional disk space will be used.
Do you want to continue? [Y/n]
Selecting previously unselected package php5-common.
(Reading database ... 182833 files and directories currently installed.)
Preparing to unpack .../php5-common_5.6.11+dfsg-1+deb.sury.org~trusty+1_amd64.deb ...
Unpacking php5-common (5.6.11+dfsg-1+deb.sury.org~trusty+1) ...
Selecting previously unselected package php5-json.
Preparing to unpack .../php5-json_1.3.7-1+deb.sury.org~trusty+1_amd64.deb ...
Unpacking php5-json (1.3.7-1+deb.sury.org~trusty+1) ...
Setting up php5-common (5.6.11+dfsg-1+deb.sury.org~trusty+1) ...
Creating config file /etc/php5/mods-available/pdo.ini with new version
Creating config file /etc/php5/mods-available/opcache.ini with new version
dpkg: dependency problems prevent configuration of php5-json:
php5-json depends on phpapi-20121212; however:
Package phpapi-20121212 is not installed.
dpkg: error processing package php5-json (--configure):
dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
Errors were encountered while processing:
php5-json
E: Sub-process /usr/bin/dpkg returned an error code (1)
如何解决此问题？
答案 0 :(得分：4)
问题解决了：
sudo apt-get clean
sudo apt-get update
sudo apt-get upgrade