Opcache Control Panel

Details Files Reset Recheck Refresh
memory
320M
305M95%free
15M4%used
0wasted
keys
7963
778197%free
1251%scripts
57wasted
hits
47K
46K97%hits
10802%misses
0blacklist
restarts
0
0manual
0keys
0memory

general

HostiZ8vb7f6fcpkyb34wj3xmxZ
PHP VersionPHP 5.4.45 apache2handler Linux
Opcache VersionZend OPcache 7.0.5
Opcode Caching Up and Running
Optimization Enabled
Startup OK
Shared memory model mmap
Uptime14 hours and 44 minutes

memory

Used Memory15.5M
Free Memory304.5M
Wasted Memory0
Current Wasted Percentage0

statistics

Num Cached Scripts125
Num Cached Keys182
Max Cached Keys7963
Hits46676
Oom Restarts0
Hash Restarts0
Manual Restarts0
Misses1080
Blacklist Misses0
Blacklist Miss Ratio0
Opcache Hit Rate97.7

runtime

DirectiveLocal ValueMaster Value
opcache.blacklist_filenameno valueno value
opcache.consistency_checks00
opcache.dups_fixOffOff
opcache.enableOnOn
opcache.enable_cliOnOn
opcache.enable_file_overrideOffOff
opcache.error_logno valueno value
opcache.fast_shutdown11
opcache.file_update_protection22
opcache.force_restart_timeout180180
opcache.inherited_hackOnOn
opcache.interned_strings_buffer88
opcache.load_comments11
opcache.log_verbosity_level11
opcache.max_accelerated_files40004000
opcache.max_file_size00
opcache.max_wasted_percentage55
opcache.memory_consumption320320
opcache.optimization_level0xFFFFFFFF0xFFFFFFFF
opcache.preferred_memory_modelno valueno value
opcache.protect_memory00
opcache.restrict_apino valueno value
opcache.revalidate_freq6060
opcache.revalidate_pathOffOff
opcache.save_comments00
opcache.use_cwdOnOn
opcache.validate_timestampsOnOn

functions

opcache_reset
opcache_invalidate
opcache_compile_file
opcache_is_script_cached
opcache_get_configuration
opcache_get_status

optimization levels

PassDescription
1Constants subexpressions elimination (CSE) true, false, null, etc.
Optimize series of ADD_STRING / ADD_CHAR
Convert CAST(IS_BOOL,x) into BOOL(x)
Convert INIT_FCALL_BY_NAME + DO_FCALL_BY_NAME into DO_FCALL
2Convert constant operands to expected types
Convert conditional JMP with constant operands
Optimize static BRK and CONT
3Convert $a = $a + expr into $a += expr
Convert $a++ into ++$a
Optimize series of JMP
4PRINT and ECHO optimization (defunct)
5Block Optimization - most expensive pass
Performs many different optimization patterns based on control flow graph (CFG)
9Optimize register allocation (allows re-usage of temporary variables)
10Remove NOPs
directives guide | functions guide | wiki.php.net | pecl | Zend source | OCP latest