新的全局常量

GD

  • img_webp(自 php 7.0.10 起)

JSON

  • json_error_invalid_property_name
  • json_error_utf16

LibXML

  • libxml_biglines

PCRE

  • preg_jit_stacklimit_error

POSIX

  • posix_rlimit_as
  • posix_rlimit_core
  • posix_rlimit_cpu
  • posix_rlimit_data
  • posix_rlimit_fsize
  • posix_rlimit_locks
  • posix_rlimit_memlock
  • posix_rlimit_msgqueue
  • posix_rlimit_nice
  • posix_rlimit_nofile
  • posix_rlimit_nproc
  • posix_rlimit_rss
  • posix_rlimit_rtprio
  • posix_rlimit_rttime
  • posix_rlimit_sigpending
  • posix_rlimit_stack
  • posix_rlimit_infinity

Zlib

  • zlib_encoding_raw
  • zlib_encoding_deflate
  • zlib_encoding_gzip
  • zlib_filtered
  • zlib_huffman_only
  • zlib_fixed
  • zlib_rle
  • zlib_default_strategy
  • zlib_block
  • zlib_finish
  • zlib_full_flush
  • zlib_no_flush
  • zlib_partial_flush
  • zlib_sync_flush