pub unsafe static mut zend_compile_string: Option<unsafe extern "C" fn(source_string: *mut zend_string, filename: *const c_char, position: zend_compile_position) -> *mut zend_op_array>pub unsafe static mut zend_compile_string: Option<unsafe extern "C" fn(source_string: *mut zend_string, filename: *const c_char, position: zend_compile_position) -> *mut zend_op_array>