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; Enable Zend OPcache extension modulezend_extension=opcache; Determines if Zend OPCache is enabledopcache.enable=1; Determines if Zend OPCache is enabled for the CLI version of PHPopcache.enable_cli=1; The OPcache shared memory storage size.;opcache.memory_consumption=128; The amount of memory for interned strings in Mbytes.;opcache.interned_strings_buffer=8; The maximum number of keys (scripts) in the OPcache hash table.; Only numbers between 200 and 1000000 are allowed.;opcache.max_accelerated_files=10000; The maximum percentage of "wasted" memory until a restart is scheduled.;opcache.max_wasted_percentage=5; When this directive is enabled, the OPcache appends the current working; directory to the script key, thus eliminating possible collisions between; files with the same name (basename). Disabling the directive improves; performance, but may break existing applications.;opcache.use_cwd=1; When disabled, you must reset the OPcache manually or restart the; webserver for changes to the filesystem to take effect.;opcache.validate_timestamps=1; How often (in seconds) to check file timestamps for changes to the shared; memory storage allocation. ("1" means validate once per second, but only; once per request. "0" means always validate);opcache.revalidate_freq=2; Enables or disables file search in include_path optimization;opcache.revalidate_path=0; If disabled, all PHPDoc comments are dropped from the code to reduce the; size of the optimized code.;opcache.save_comments=1; Allow file existence override (file_exists, etc.) performance feature.;opcache.enable_file_override=0; A bitmask, where each bit enables or disables the appropriate OPcache; passes;opcache.optimization_level=0x7FFFBFFF; This hack should only be enabled to work around "Cannot redeclare class"; errors.;opcache.dups_fix=0; The location of the OPcache blacklist file (wildcards allowed).; Each OPcache blacklist file is a text file that holds the names of files; that should not be accelerated.opcache.blacklist_filename=/etc/php-zts.d/opcache*.blacklist; Allows exclusion of large files from being cached. By default all files; are cached.;opcache.max_file_size=0; Check the cache checksum each N requests.; The default value of "0" means that the checks are disabled.;opcache.consistency_checks=0; How long to wait (in seconds) for a scheduled restart to begin if the cache; is not being accessed.;opcache.force_restart_timeout=180; OPcache error_log file name. Empty string assumes "stderr".;opcache.error_log=; All OPcache errors go to the Web server log.; By default, only fatal errors (level 0) or errors (level 1) are logged.; You can also enable warnings (level 2), info messages (level 3) or; debug messages (level 4).;opcache.log_verbosity_level=1; Preferred Shared Memory back-end. Leave empty and let the system decide.;opcache.preferred_memory_model=; Protect the shared memory from unexpected writing during script execution.; Useful for internal debugging only.;opcache.protect_memory=0; Allows calling OPcache API functions only from PHP scripts which path is; started from specified string. The default "" means no restriction;opcache.restrict_api=; Enables and sets the second level cache directory.; It should improve performance when SHM memory is full, at server restart or; SHM reset. The default "" disables file based caching.; RPM note : file cache directory must be owned by process owner; for mod_php, see /etc/httpd/conf.d/php.conf; for php-fpm, see /etc/php-fpm.d/*conf;opcache.file_cache=; Enables or disables opcode caching in shared memory.;opcache.file_cache_only=0; Enables or disables checksum validation when script loaded from file cache.;opcache.file_cache_consistency_checks=1; Implies opcache.file_cache_only=1 for a certain process that failed to; reattach to the shared memory (for Windows only). Explicitly enabled file; cache is required.;opcache.file_cache_fallback=1; Enables or disables copying of PHP code (text segment) into HUGE PAGES.; This should improve performance, but requires appropriate OS configuration.opcache.huge_code_pages=0; Validate cached file permissions.; Leads OPcache to check file readability on each access to cached file.; This directive should be enabled in shared hosting environment, when few; users (PHP-FPM pools) reuse the common OPcache shared memory.;opcache.validate_permission=0; Prevent name collisions in chroot'ed environment.; This directive prevents file name collisions in different "chroot"; environments. It should be enabled for sites that may serve requests in; different "chroot" environments.;opcache.validate_root=0; If specified, it produces opcode dumps for debugging different stages of; optimizations.;opcache.opt_debug_level=0; Specifies a PHP script that is going to be compiled and executed at server; start-up.; http://php.net/opcache.preload;opcache.preload=; Preloading code as root is not allowed for security reasons. This directive; facilitates to let the preloading to be run as another user.; http://php.net/opcache.preload_user;opcache.preload_user=; Prevents caching files that are less than this number of seconds old. It; protects from caching of incompletely updated files. In case all file updates; on your site are atomic, you may increase performance by setting it to "0".;opcache.file_update_protection=2; Absolute path used to store shared lockfiles (for *nix only).;opcache.lockfile_path=/tmp