預設常數

以下常數由擴充功能定義，因此只有在擴充功能被編譯到 PHP 中，或者在執行時被動態載入後才有效。

PTHREADS_INHERIT_ALL (integer)

The default options for all Threads, causes pthreads to copy the environment when new Threads are started

PTHREADS_INHERIT_NONE (integer)

Do not inherit anything when new Threads are started

PTHREADS_INHERIT_INI (integer)

Inherit INI entries when new Threads are started

PTHREADS_INHERIT_CONSTANTS (integer)

Inherit user declared constants when new Threads are started

PTHREADS_INHERIT_CLASSES (integer)

Inherit user declared classes when new Threads are started

PTHREADS_INHERIT_FUNCTIONS (integer)

Inherit user declared functions when new Threads are started

PTHREADS_INHERIT_INCLUDES (integer)

Inherit included file information when new Threads are started

PTHREADS_INHERIT_COMMENTS (integer)

Inherit all comments when new Threads are started

PTHREADS_ALLOW_HEADERS (integer)

Allow new Threads to send headers to standard output (normally prohibited)