Opcache Control Panel

Details Files Reset Recheck Refresh
memory
128M
90M70%free
38M29%used
340Kwasted
keys
16K
15K92%free
11096%scripts
124wasted
hits
4617
350875%hits
110924%misses
0blacklist
restarts
1
1manual
0keys
0memory

general

Host174.137.54.48.16clouds.com
PHP VersionPHP 7.4.22 apache2handler Linux
Opcache VersionZend OPcache 7.4.22
Uptime9 hours and 4 minutes
Last Restart8 hours ago

memory

Used Memory37.6M
Free Memory90.1M
Wasted Memory348256
Current Wasted Percentage0.3

statistics

Num Cached Scripts1109
Num Cached Keys1233
Max Cached Keys16229
Hits3508
Oom Restarts0
Hash Restarts0
Manual Restarts1
Misses1109
Blacklist Misses0
Blacklist Miss Ratio0
Opcache Hit Rate76

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