PHP Warning: PHP Startup: apc.shm_size now uses M/G suffixes, please update your ini files

You may see this error after the installation of APC . To fix this please the following changes in apc.ini .

change it from:

apc.shm_size=512

To:

apc.shm_size=512M

You may need to specify “M” for MB or “G” for GB to solve this issue.