Runtime Configuration

The behaviour of these functions is affected by settings in php.ini.

V8js Configure Options
Name Default Changeable Changelog
v8js.max_disposed_contexts 25 INI_ALL
v8js.flags   INI_ALL

Here's a short explanation of the configuration directives.

v8js.max_disposed_contexts int

Sets limit for disposed contexts before forcing V8 to do garbage collection.

v8js.flags string

Sets V8 command line flags. The list of available flags can be obtained in CLI mode by setting this parameter to --help. Example:

$ php -r 'ini_set("v8js.flags", "--help"); new V8Js;' | less


For these flags to be effective in runtime the ini_set() call has to be done before any V8Js objects are instantiated!

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