Opcache Control Panel

Details Files Reset Recheck Refresh
memory
448M
386M86%free
60M13%used
2Mwasted
keys
128K
124K96%free
22891%scripts
20391%wasted
hits
59M
59M99%hits
5209misses
0blacklist
restarts
51
51manual
0keys
0memory

general

Hostiz2zea4o38c6o9nk5wu0w1z
PHP VersionPHP 7.0.32 fpm-fcgi Linux
Opcache VersionZend OPcache 7.0.32
Uptime2.5 years and 2 hours
Last Restart3 weeks ago

memory

Used Memory60.2M
Free Memory386M
Wasted Memory1.8M
Current Wasted Percentage0.4

statistics

Num Cached Scripts2289
Num Cached Keys4328
Max Cached Keys130987
Hits58.7M
Oom Restarts0
Hash Restarts0
Manual Restarts51
Misses5209
Blacklist Misses0
Blacklist Miss Ratio0
Opcache Hit Rate100

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