opcache.opt_debug_level
INI • Added in PHP 7.1
opcache: opcache.opt_debug_level — If specified, it produces opcode dumps for debugging different stages of optimizations.
| Default value | 0 |
| Development value | 0 |
| Production value | 0 |
Modifiability: INI_SYSTEM - The opcache.opt_debug_level INI directive directive is a system-directive, and can only be configured in php.ini files or Server-API configuration files such as Apache httpd.conf. It cannot be configured with ini_set calls.
[opcache]
opcache.opt_debug_level = 0Changes to the opcache.opt_debug_level INI
PHP 7.1
- INI directive added
opcache.opt_debug_level INI Availability
opcache.opt_debug_level INI Availability| PHP Version | Availability |
|---|---|
| PHP 8.5Future Release | Yes |
| PHP 8.4Upcoming Release | Yes |
| PHP 8.3Supported (Latest) | Yes |
| PHP 8.2Supported | Yes |
| PHP 8.1Security-Fixes Only | Yes |
| PHP 8.0Unsupported | Yes |
| PHP 7.4Unsupported | Yes |
| PHP 7.3Unsupported | Yes |
| PHP 7.2Unsupported | Yes |
| PHP 7.1Unsupported | Yes |
| PHP 7.0Unsupported | No |
| PHP 5.6Unsupported | No |
| PHP 5.5Unsupported | No |
| PHP 5.4Unsupported | No |
| PHP 5.3Unsupported | No |