The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.
PTHREADS_INHERIT_ALL
     (integer)
    PTHREADS_INHERIT_NONE
     (integer)
    PTHREADS_INHERIT_INI
     (integer)
    PTHREADS_INHERIT_CONSTANTS
     (integer)
    PTHREADS_INHERIT_CLASSES
     (integer)
    PTHREADS_INHERIT_FUNCTIONS
     (integer)
    PTHREADS_INHERIT_INCLUDES
     (integer)
    PTHREADS_INHERIT_COMMENTS
     (integer)
    PTHREADS_ALLOW_HEADERS
     (integer)