PHP error category
OPcache
Bytecode cache configuration.
OPcache errors arise when bytecode cache configuration affect an executing PHP application or its supporting service. Use the exact signature and runtime context to narrow the cause before changing configuration.
The guides in this category separate code defects from environment differences, show focused diagnostics, and favor site-scoped corrections that preserve unrelated applications.
Guides in this category
| Title | Pattern | Severity |
|---|---|---|
| OPcache file cache permission denied | Fatal Error Unable to open base address file |
fatal |
| OPcache insufficient shared memory | Zend OPcache can't be temporary enabled (it may be only disabled till the end of request) |
warning |
| OPcache serves stale PHP files after deployment | OPcache cached script timestamp is older than deployed file: %s |
warning |