* up/master: (571 commits)
  Expose time spent collecting cycles in gc_status() (php#11523)
  Warn when fpm socket was not registered on the expected path
  Implement DOMElement::id
  Fix ?
  Implement DOMParentNode::replaceChildren()
  Implement DOMElement::className
  RFC: Deprecate remains of string evaluated code assertions (php#11671)
  Prevent decimal int precision loss in number_format()
  Implement DOMNode::getRootNode()
  Implement DOMElement::getAttributeNames()
  Refactor dom_node_node_name_read() to avoid double allocation
  Handle fragments consisting out of multiple children without a single root correctly
  Avoid allocations in DOMElement::getAttribute()
  Avoid string allocation in dom_get_dom1_attribute() for as long as possible
  Fix use-of-uninitialized-value when calling php_posix_stream_get_fd (php#11694)
  Reorder list construction in the function php_intpow10 (php#11683)
  proc_open: Use posix_spawn(3) interface on systems where it is profitable
  zend_gdb disable gdb detection for FreeBSD < 11.
  Fix iface const visibility variance check
  Fix missing iface class const inheritance type check
  ...