Opcache Control Panel

Details Files Reset Recheck Refresh
memory
448M
409M91%free
39M8%used
0wasted
keys
128K
126K98%free
918scripts
797wasted
hits
58K
57K98%hits
9191%misses
0blacklist
restarts
53
53manual
0keys
0memory

general

Hostiz2zea4o38c6o9nk5wu0w1z
PHP VersionPHP 7.0.32 fpm-fcgi Linux
Opcache VersionZend OPcache 7.0.32
Uptime4 months and 16 hours
Last Restart42 minutes ago

memory

Used Memory38.7M
Free Memory409.3M
Wasted Memory0
Current Wasted Percentage0

statistics

Num Cached Scripts918
Num Cached Keys1715
Max Cached Keys130987
Hits58346
Oom Restarts0
Hash Restarts0
Manual Restarts53
Misses919
Blacklist Misses0
Blacklist Miss Ratio0
Opcache Hit Rate98.4

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