diff --git a/resources/php_compat_info.json b/resources/php_compat_info.json
--- a/resources/php_compat_info.json
+++ b/resources/php_compat_info.json
@@ -1,13 +1,6 @@
 {
   "@generated"        : true,
   "params"            : {
-    "is_a"           : {
-      "2" : "5.3.9"
-    },
-    "json_decode"    : {
-      "2" : "5.3.0",
-      "3" : "5.4.0"
-    },
     "assert"         : {
       "1" : "5.4.8"
     },
@@ -26,233 +19,457 @@
     },
     "getopt"         : {
       "1" : "5.3.0"
+    },
+    "json_decode"    : {
+      "2" : "5.3.0",
+      "3" : "5.4.0"
+    },
+    "is_a"           : {
+      "2" : "5.3.9"
     }
   },
   "functions"         : {
-    "apcu_add"                              : "5.3.0",
-    "apcu_bin_dump"                         : "5.3.0",
-    "apcu_bin_dumpfile"                     : "5.3.0",
-    "apcu_bin_load"                         : "5.3.0",
-    "apcu_bin_loadfile"                     : "5.3.0",
-    "apcu_cache_info"                       : "5.3.0",
-    "apcu_cas"                              : "5.3.0",
-    "apcu_clear_cache"                      : "5.3.0",
-    "apcu_dec"                              : "5.3.0",
-    "apcu_delete"                           : "5.3.0",
-    "apcu_exists"                           : "5.3.0",
-    "apcu_fetch"                            : "5.3.0",
-    "apcu_inc"                              : "5.3.0",
-    "apcu_sma_info"                         : "5.3.0",
-    "apcu_store"                            : "5.3.0",
-    "class_alias"                           : "5.3.0",
-    "gc_collect_cycles"                     : "5.3.0",
-    "gc_disable"                            : "5.3.0",
-    "gc_enable"                             : "5.3.0",
-    "gc_enabled"                            : "5.3.0",
-    "get_called_class"                      : "5.3.0",
-    "get_declared_traits"                   : "5.4.0",
-    "trait_exists"                          : "5.4.0",
-    "date_add"                              : "5.3.0",
-    "date_create_from_format"               : "5.3.0",
-    "date_diff"                             : "5.3.0",
-    "date_get_last_errors"                  : "5.3.0",
-    "date_interval_create_from_date_string" : "5.3.0",
-    "date_interval_format"                  : "5.3.0",
-    "date_parse_from_format"                : "5.3.0",
-    "date_sub"                              : "5.3.0",
-    "date_timestamp_get"                    : "5.3.0",
-    "date_timestamp_set"                    : "5.3.0",
-    "timezone_location_get"                 : "5.3.0",
-    "timezone_version_get"                  : "5.3.0",
-    "mime_content_type"                     : "5.3.0",
-    "imagecreatefromwebp"                   : "5.4.0",
-    "imagewebp"                             : "5.4.0",
-    "gmp_testbit"                           : "5.3.0",
-    "hash_copy"                             : "5.3.0",
-    "imap_fetchmime"                        : "5.3.6",
-    "imap_gc"                               : "5.3.0",
-    "imap_mutf7_to_utf8"                    : "5.3.0",
-    "imap_utf8_to_mutf7"                    : "5.3.0",
-    "datefmt_create"                        : "5.2.4",
-    "datefmt_format"                        : "5.2.4",
-    "datefmt_get_calendar"                  : "5.2.4",
-    "datefmt_get_datetype"                  : "5.2.4",
-    "datefmt_get_error_code"                : "5.2.4",
-    "datefmt_get_error_message"             : "5.2.4",
-    "datefmt_get_locale"                    : "5.2.4",
-    "datefmt_get_pattern"                   : "5.2.4",
-    "datefmt_get_timetype"                  : "5.2.4",
-    "datefmt_get_timezone_id"               : "5.2.4",
-    "datefmt_is_lenient"                    : "5.2.4",
-    "datefmt_localtime"                     : "5.2.4",
-    "datefmt_parse"                         : "5.2.4",
-    "datefmt_set_calendar"                  : "5.2.4",
-    "datefmt_set_lenient"                   : "5.2.4",
-    "datefmt_set_pattern"                   : "5.2.4",
-    "datefmt_set_timezone_id"               : "5.2.4",
-    "grapheme_extract"                      : "5.2.4",
-    "grapheme_stripos"                      : "5.2.4",
-    "grapheme_stristr"                      : "5.2.4",
-    "grapheme_strlen"                       : "5.2.4",
-    "grapheme_strpos"                       : "5.2.4",
-    "grapheme_strripos"                     : "5.2.4",
-    "grapheme_strrpos"                      : "5.2.4",
-    "grapheme_strstr"                       : "5.2.4",
-    "grapheme_substr"                       : "5.2.4",
-    "locale_accept_from_http"               : "5.2.4",
-    "idn_to_ascii"                          : "5.2.4",
-    "idn_to_utf8"                           : "5.2.4",
-    "collator_get_sort_key"                 : "5.2.4",
-    "resourcebundle_count"                  : "5.2.4",
-    "resourcebundle_create"                 : "5.2.4",
-    "resourcebundle_get"                    : "5.2.4",
-    "resourcebundle_get_error_code"         : "5.2.4",
-    "resourcebundle_get_error_message"      : "5.2.4",
-    "resourcebundle_locales"                : "5.2.4",
-    "transliterator_create"                 : "5.4.0",
-    "transliterator_create_from_rules"      : "5.4.0",
-    "transliterator_create_inverse"         : "5.4.0",
-    "transliterator_get_error_code"         : "5.4.0",
-    "transliterator_get_error_message"      : "5.4.0",
-    "transliterator_list_ids"               : "5.4.0",
-    "transliterator_transliterate"          : "5.4.0",
-    "json_last_error"                       : "5.3.0",
-    "ldap_control_paged_result"             : "5.4.0",
-    "ldap_control_paged_result_response"    : "5.4.0",
-    "event_add"                             : "5.3.0",
-    "event_base_free"                       : "5.3.0",
-    "event_base_loop"                       : "5.3.0",
-    "event_base_loopbreak"                  : "5.3.0",
-    "event_base_loopexit"                   : "5.3.0",
-    "event_base_new"                        : "5.3.0",
-    "event_base_priority_init"              : "5.3.0",
-    "event_base_set"                        : "5.3.0",
-    "event_buffer_base_set"                 : "5.3.0",
-    "event_buffer_disable"                  : "5.3.0",
-    "event_buffer_enable"                   : "5.3.0",
-    "event_buffer_fd_set"                   : "5.3.0",
-    "event_buffer_free"                     : "5.3.0",
-    "event_buffer_new"                      : "5.3.0",
-    "event_buffer_priority_set"             : "5.3.0",
-    "event_buffer_read"                     : "5.3.0",
-    "event_buffer_timeout_set"              : "5.3.0",
-    "event_buffer_watermark_set"            : "5.3.0",
-    "event_buffer_write"                    : "5.3.0",
-    "event_del"                             : "5.3.0",
-    "event_free"                            : "5.3.0",
-    "event_new"                             : "5.3.0",
-    "event_set"                             : "5.3.0",
-    "event_timer_add"                       : "5.3.0",
-    "event_timer_del"                       : "5.3.0",
-    "event_timer_new"                       : "5.3.0",
-    "event_timer_pending"                   : "5.3.0",
-    "event_timer_set"                       : "5.3.0",
-    "event_buffer_set_callback"             : "5.3.0",
-    "event_priority_set"                    : "5.3.0",
-    "libxml_disable_entity_loader"          : "5.2.11",
-    "libxml_set_external_entity_loader"     : "5.4.0",
-    "mb_encoding_aliases"                   : "5.3.0",
-    "mb_ereg_replace_callback"              : "5.4.1",
-    "mysqli_error_list"                     : "5.4.0",
-    "mysqli_refresh"                        : "5.3.0",
-    "mysqli_stmt_error_list"                : "5.4.0",
-    "openssl_cipher_iv_length"              : "5.3.3",
-    "openssl_decrypt"                       : "5.3.0",
-    "openssl_dh_compute_key"                : "5.3.0",
-    "openssl_digest"                        : "5.3.0",
-    "openssl_encrypt"                       : "5.3.0",
-    "openssl_get_cipher_methods"            : "5.3.0",
-    "openssl_get_md_methods"                : "5.3.0",
-    "openssl_random_pseudo_bytes"           : "5.3.0",
-    "pcntl_errno"                           : "5.3.4",
-    "pcntl_get_last_error"                  : "5.3.4",
-    "pcntl_signal_dispatch"                 : "5.3.0",
-    "pcntl_sigprocmask"                     : "5.3.0",
-    "pcntl_sigtimedwait"                    : "5.3.0",
-    "pcntl_sigwaitinfo"                     : "5.3.0",
-    "pcntl_strerror"                        : "5.3.4",
-    "preg_filter"                           : "5.3.0",
-    "pg_escape_identifier"                  : "5.4.4",
-    "pg_escape_literal"                     : "5.4.4",
-    "session_register_shutdown"             : "5.4.0",
-    "session_status"                        : "5.4.0",
-    "socket_import_stream"                  : "5.4.0",
-    "class_uses"                            : "5.4.0",
-    "php_ini_loaded_file"                   : "5.2.4",
-    "stream_is_local"                       : "5.2.4",
-    "array_replace"                         : "5.3.0",
-    "array_replace_recursive"               : "5.3.0",
-    "forward_static_call"                   : "5.3.0",
-    "forward_static_call_array"             : "5.3.0",
-    "gethostname"                           : "5.3.0",
-    "header_remove"                         : "5.3.0",
-    "lcfirst"                               : "5.3.0",
-    "parse_ini_string"                      : "5.3.0",
-    "quoted_printable_encode"               : "5.3.0",
-    "str_getcsv"                            : "5.3.0",
-    "stream_context_get_params"             : "5.3.0",
-    "stream_context_set_default"            : "5.3.0",
-    "stream_supports_lock"                  : "5.3.0",
-    "realpath_cache_get"                    : "5.3.2",
-    "realpath_cache_size"                   : "5.3.2",
-    "stream_resolve_include_path"           : "5.3.2",
-    "stream_set_read_buffer"                : "5.3.3",
-    "getimagesizefromstring"                : "5.4.0",
-    "header_register_callback"              : "5.4.0",
-    "hex2bin"                               : "5.4.0",
-    "http_response_code"                    : "5.4.0",
-    "stream_set_chunk_size"                 : "5.4.0",
-    "msg_queue_exists"                      : "5.3.0",
-    "shm_has_var"                           : "5.3.0",
-    "gzdecode"                              : "5.4.0",
-    "zlib_decode"                           : "5.4.0",
-    "zlib_encode"                           : "5.4.0"
+    "preg_filter"                            : "5.3.0",
+    "imagecreatefromwebp"                    : "5.4.0",
+    "imagewebp"                              : "5.4.0",
+    "imageaffine"                            : "5.5.0",
+    "imageaffinematrixconcat"                : "5.5.0",
+    "imageaffinematrixget"                   : "5.5.0",
+    "imagecrop"                              : "5.5.0",
+    "imagecropauto"                          : "5.5.0",
+    "imageflip"                              : "5.5.0",
+    "imagepalettetotruecolor"                : "5.5.0",
+    "imagescale"                             : "5.5.0",
+    "imagesetinterpolation"                  : "5.5.0",
+    "gzdecode"                               : "5.4.0",
+    "zlib_decode"                            : "5.4.0",
+    "zlib_encode"                            : "5.4.0",
+    "mhash"                                  : "5.3.0",
+    "mhash_count"                            : "5.3.0",
+    "mhash_get_block_size"                   : "5.3.0",
+    "mhash_get_hash_name"                    : "5.3.0",
+    "mhash_keygen_s2k"                       : "5.3.0",
+    "gmp_testbit"                            : "5.3.0",
+    "php_ini_loaded_file"                    : "5.2.4",
+    "stream_is_local"                        : "5.2.4",
+    "array_replace"                          : "5.3.0",
+    "array_replace_recursive"                : "5.3.0",
+    "forward_static_call"                    : "5.3.0",
+    "forward_static_call_array"              : "5.3.0",
+    "gethostname"                            : "5.3.0",
+    "header_remove"                          : "5.3.0",
+    "lcfirst"                                : "5.3.0",
+    "parse_ini_string"                       : "5.3.0",
+    "quoted_printable_encode"                : "5.3.0",
+    "str_getcsv"                             : "5.3.0",
+    "stream_context_get_params"              : "5.3.0",
+    "stream_context_set_default"             : "5.3.0",
+    "stream_supports_lock"                   : "5.3.0",
+    "realpath_cache_get"                     : "5.3.2",
+    "realpath_cache_size"                    : "5.3.2",
+    "stream_resolve_include_path"            : "5.3.2",
+    "stream_set_read_buffer"                 : "5.3.3",
+    "getimagesizefromstring"                 : "5.4.0",
+    "header_register_callback"               : "5.4.0",
+    "hex2bin"                                : "5.4.0",
+    "http_response_code"                     : "5.4.0",
+    "stream_set_chunk_size"                  : "5.4.0",
+    "array_column"                           : "5.5.0",
+    "boolval"                                : "5.5.0",
+    "cli_get_process_title"                  : "5.5.0",
+    "cli_set_process_title"                  : "5.5.0",
+    "password_get_info"                      : "5.5.0",
+    "password_hash"                          : "5.5.0",
+    "password_needs_rehash"                  : "5.5.0",
+    "password_verify"                        : "5.5.0",
+    "class_uses"                             : "5.4.0",
+    "pg_escape_identifier"                   : "5.4.4",
+    "pg_escape_literal"                      : "5.4.4",
+    "socket_import_stream"                   : "5.4.0",
+    "socket_cmsg_space"                      : "5.5.0",
+    "socket_recvmsg"                         : "5.5.0",
+    "socket_sendmsg"                         : "5.5.0",
+    "libxml_disable_entity_loader"           : "5.2.11",
+    "libxml_set_external_entity_loader"      : "5.4.0",
+    "msg_queue_exists"                       : "5.3.0",
+    "mb_encoding_aliases"                    : "5.3.0",
+    "mb_ereg_replace_callback"               : "5.4.1",
+    "hash_copy"                              : "5.3.0",
+    "hash_pbkdf2"                            : "5.5.0",
+    "imap_fetchmime"                         : "5.3.6",
+    "imap_gc"                                : "5.3.0",
+    "imap_mutf7_to_utf8"                     : "5.3.0",
+    "imap_utf8_to_mutf7"                     : "5.3.0",
+    "ldap_control_paged_result"              : "5.4.0",
+    "ldap_control_paged_result_response"     : "5.4.0",
+    "pcntl_errno"                            : "5.3.4",
+    "pcntl_get_last_error"                   : "5.3.4",
+    "pcntl_signal_dispatch"                  : "5.3.0",
+    "pcntl_sigprocmask"                      : "5.3.0",
+    "pcntl_sigtimedwait"                     : "5.3.0",
+    "pcntl_sigwaitinfo"                      : "5.3.0",
+    "pcntl_strerror"                         : "5.3.4",
+    "shm_has_var"                            : "5.3.0",
+    "apcu_add"                               : "5.3.0",
+    "apcu_bin_dump"                          : "5.3.0",
+    "apcu_bin_dumpfile"                      : "5.3.0",
+    "apcu_bin_load"                          : "5.3.0",
+    "apcu_bin_loadfile"                      : "5.3.0",
+    "apcu_cache_info"                        : "5.3.0",
+    "apcu_cas"                               : "5.3.0",
+    "apcu_clear_cache"                       : "5.3.0",
+    "apcu_dec"                               : "5.3.0",
+    "apcu_delete"                            : "5.3.0",
+    "apcu_exists"                            : "5.3.0",
+    "apcu_fetch"                             : "5.3.0",
+    "apcu_inc"                               : "5.3.0",
+    "apcu_sma_info"                          : "5.3.0",
+    "apcu_store"                             : "5.3.0",
+    "apcu_key_info"                          : "5.3.0",
+    "openssl_cipher_iv_length"               : "5.3.3",
+    "openssl_decrypt"                        : "5.3.0",
+    "openssl_dh_compute_key"                 : "5.3.0",
+    "openssl_digest"                         : "5.3.0",
+    "openssl_encrypt"                        : "5.3.0",
+    "openssl_get_cipher_methods"             : "5.3.0",
+    "openssl_get_md_methods"                 : "5.3.0",
+    "openssl_pbkdf2"                         : "5.5.0",
+    "openssl_random_pseudo_bytes"            : "5.3.0",
+    "mime_content_type"                      : "5.3.0",
+    "json_last_error"                        : "5.3.0",
+    "json_last_error_msg"                    : "5.5.0",
+    "jsmin"                                  : "5.3.10",
+    "jsmin_last_error"                       : "5.3.10",
+    "jsmin_last_error_msg"                   : "5.3.10",
+    "event_add"                              : "5.3.0",
+    "event_base_free"                        : "5.3.0",
+    "event_base_loop"                        : "5.3.0",
+    "event_base_loopbreak"                   : "5.3.0",
+    "event_base_loopexit"                    : "5.3.0",
+    "event_base_new"                         : "5.3.0",
+    "event_base_priority_init"               : "5.3.0",
+    "event_base_set"                         : "5.3.0",
+    "event_buffer_base_set"                  : "5.3.0",
+    "event_buffer_disable"                   : "5.3.0",
+    "event_buffer_enable"                    : "5.3.0",
+    "event_buffer_fd_set"                    : "5.3.0",
+    "event_buffer_free"                      : "5.3.0",
+    "event_buffer_new"                       : "5.3.0",
+    "event_buffer_priority_set"              : "5.3.0",
+    "event_buffer_read"                      : "5.3.0",
+    "event_buffer_timeout_set"               : "5.3.0",
+    "event_buffer_watermark_set"             : "5.3.0",
+    "event_buffer_write"                     : "5.3.0",
+    "event_del"                              : "5.3.0",
+    "event_free"                             : "5.3.0",
+    "event_new"                              : "5.3.0",
+    "event_set"                              : "5.3.0",
+    "event_timer_add"                        : "5.3.0",
+    "event_timer_del"                        : "5.3.0",
+    "event_timer_new"                        : "5.3.0",
+    "event_timer_pending"                    : "5.3.0",
+    "event_timer_set"                        : "5.3.0",
+    "event_buffer_set_callback"              : "5.3.0",
+    "event_priority_set"                     : "5.3.0",
+    "event_base_reinit"                      : "5.3.0",
+    "curl_file_create"                       : "5.5.0",
+    "curl_share_close"                       : "5.5.0",
+    "curl_share_init"                        : "5.5.0",
+    "curl_share_setopt"                      : "5.5.0",
+    "curl_multi_strerror"                    : "5.5.0",
+    "curl_strerror"                          : "5.5.0",
+    "curl_reset"                             : "5.5.0",
+    "curl_escape"                            : "5.5.0",
+    "curl_unescape"                          : "5.5.0",
+    "curl_multi_setopt"                      : "5.5.0",
+    "curl_pause"                             : "5.5.0",
+    "session_register_shutdown"              : "5.4.0",
+    "session_status"                         : "5.4.0",
+    "datefmt_create"                         : "5.2.4",
+    "datefmt_format"                         : "5.2.4",
+    "datefmt_get_calendar"                   : "5.2.4",
+    "datefmt_get_datetype"                   : "5.2.4",
+    "datefmt_get_error_code"                 : "5.2.4",
+    "datefmt_get_error_message"              : "5.2.4",
+    "datefmt_get_locale"                     : "5.2.4",
+    "datefmt_get_pattern"                    : "5.2.4",
+    "datefmt_get_timetype"                   : "5.2.4",
+    "datefmt_get_timezone_id"                : "5.2.4",
+    "datefmt_is_lenient"                     : "5.2.4",
+    "datefmt_localtime"                      : "5.2.4",
+    "datefmt_parse"                          : "5.2.4",
+    "datefmt_set_calendar"                   : "5.2.4",
+    "datefmt_set_lenient"                    : "5.2.4",
+    "datefmt_set_pattern"                    : "5.2.4",
+    "datefmt_set_timezone_id"                : "5.2.4",
+    "grapheme_extract"                       : "5.2.4",
+    "grapheme_stripos"                       : "5.2.4",
+    "grapheme_stristr"                       : "5.2.4",
+    "grapheme_strlen"                        : "5.2.4",
+    "grapheme_strpos"                        : "5.2.4",
+    "grapheme_strripos"                      : "5.2.4",
+    "grapheme_strrpos"                       : "5.2.4",
+    "grapheme_strstr"                        : "5.2.4",
+    "grapheme_substr"                        : "5.2.4",
+    "locale_accept_from_http"                : "5.2.4",
+    "idn_to_ascii"                           : "5.2.4",
+    "idn_to_utf8"                            : "5.2.4",
+    "collator_get_sort_key"                  : "5.2.4",
+    "resourcebundle_count"                   : "5.2.4",
+    "resourcebundle_create"                  : "5.2.4",
+    "resourcebundle_get"                     : "5.2.4",
+    "resourcebundle_get_error_code"          : "5.2.4",
+    "resourcebundle_get_error_message"       : "5.2.4",
+    "resourcebundle_locales"                 : "5.2.4",
+    "transliterator_create"                  : "5.4.0",
+    "transliterator_create_from_rules"       : "5.4.0",
+    "transliterator_create_inverse"          : "5.4.0",
+    "transliterator_get_error_code"          : "5.4.0",
+    "transliterator_get_error_message"       : "5.4.0",
+    "transliterator_list_ids"                : "5.4.0",
+    "transliterator_transliterate"           : "5.4.0",
+    "datefmt_format_object"                  : "5.5.0",
+    "datefmt_get_calendar_object"            : "5.5.0",
+    "datefmt_get_timezone"                   : "5.5.0",
+    "datefmt_set_timezone"                   : "5.5.0",
+    "intlgregcal_create_instance"            : "5.5.0",
+    "intlgregcal_get_gregorian_change"       : "5.5.0",
+    "intlgregcal_is_leap_year"               : "5.5.0",
+    "intlgregcal_set_gregorian_change"       : "5.5.0",
+    "intlcal_add"                            : "5.5.0",
+    "intlcal_after"                          : "5.5.0",
+    "intlcal_before"                         : "5.5.0",
+    "intlcal_clear"                          : "5.5.0",
+    "intlcal_create_instance"                : "5.5.0",
+    "intlcal_equals"                         : "5.5.0",
+    "intlcal_field_difference"               : "5.5.0",
+    "intlcal_from_date_time"                 : "5.5.0",
+    "intlcal_get"                            : "5.5.0",
+    "intlcal_get_actual_maximum"             : "5.5.0",
+    "intlcal_get_actual_minimum"             : "5.5.0",
+    "intlcal_get_available_locales"          : "5.5.0",
+    "intlcal_get_day_of_week_type"           : "5.5.0",
+    "intlcal_get_error_code"                 : "5.5.0",
+    "intlcal_get_error_message"              : "5.5.0",
+    "intlcal_get_first_day_of_week"          : "5.5.0",
+    "intlcal_get_greatest_minimum"           : "5.5.0",
+    "intlcal_get_keyword_values_for_locale"  : "5.5.0",
+    "intlcal_get_least_maximum"              : "5.5.0",
+    "intlcal_get_locale"                     : "5.5.0",
+    "intlcal_get_maximum"                    : "5.5.0",
+    "intlcal_get_minimal_days_in_first_week" : "5.5.0",
+    "intlcal_get_minimum"                    : "5.5.0",
+    "intlcal_get_now"                        : "5.5.0",
+    "intlcal_get_time"                       : "5.5.0",
+    "intlcal_get_time_zone"                  : "5.5.0",
+    "intlcal_get_type"                       : "5.5.0",
+    "intlcal_get_weekend_transition"         : "5.5.0",
+    "intlcal_in_daylight_time"               : "5.5.0",
+    "intlcal_is_equivalent_to"               : "5.5.0",
+    "intlcal_is_lenient"                     : "5.5.0",
+    "intlcal_is_set"                         : "5.5.0",
+    "intlcal_is_weekend"                     : "5.5.0",
+    "intlcal_roll"                           : "5.5.0",
+    "intlcal_set"                            : "5.5.0",
+    "intlcal_set_first_day_of_week"          : "5.5.0",
+    "intlcal_set_lenient"                    : "5.5.0",
+    "intlcal_set_time"                       : "5.5.0",
+    "intlcal_set_time_zone"                  : "5.5.0",
+    "intlcal_to_date_time"                   : "5.5.0",
+    "intltz_count_equivalent_ids"            : "5.5.0",
+    "intltz_create_default"                  : "5.5.0",
+    "intltz_create_enumeration"              : "5.5.0",
+    "intltz_create_time_zone"                : "5.5.0",
+    "intltz_from_date_time_zone"             : "5.5.0",
+    "intltz_get_canonical_id"                : "5.5.0",
+    "intltz_get_equivalent_id"               : "5.5.0",
+    "intltz_get_gmt"                         : "5.5.0",
+    "intltz_get_display_name"                : "5.5.0",
+    "intltz_get_dst_savings"                 : "5.5.0",
+    "intltz_get_error_code"                  : "5.5.0",
+    "intltz_get_error_message"               : "5.5.0",
+    "intltz_get_id"                          : "5.5.0",
+    "intltz_get_offset"                      : "5.5.0",
+    "intltz_get_raw_offset"                  : "5.5.0",
+    "intltz_get_tz_data_version"             : "5.5.0",
+    "intltz_has_same_rules"                  : "5.5.0",
+    "intltz_to_date_time_zone"               : "5.5.0",
+    "intltz_use_daylight_time"               : "5.5.0",
+    "intlcal_set_minimal_days_in_first_week" : "5.5.1",
+    "date_add"                               : "5.3.0",
+    "date_create_from_format"                : "5.3.0",
+    "date_diff"                              : "5.3.0",
+    "date_get_last_errors"                   : "5.3.0",
+    "date_interval_create_from_date_string"  : "5.3.0",
+    "date_interval_format"                   : "5.3.0",
+    "date_parse_from_format"                 : "5.3.0",
+    "date_sub"                               : "5.3.0",
+    "date_timestamp_get"                     : "5.3.0",
+    "date_timestamp_set"                     : "5.3.0",
+    "timezone_location_get"                  : "5.3.0",
+    "timezone_version_get"                   : "5.3.0",
+    "date_create_immutable"                  : "5.5.0",
+    "date_create_immutable_from_format"      : "5.5.0",
+    "mysqli_begin_transaction"               : "5.5.0",
+    "mysqli_error_list"                      : "5.4.0",
+    "mysqli_refresh"                         : "5.3.0",
+    "mysqli_release_savepoint"               : "5.5.0",
+    "mysqli_savepoint"                       : "5.5.0",
+    "mysqli_stmt_error_list"                 : "5.4.0",
+    "class_alias"                            : "5.3.0",
+    "gc_collect_cycles"                      : "5.3.0",
+    "gc_disable"                             : "5.3.0",
+    "gc_enable"                              : "5.3.0",
+    "gc_enabled"                             : "5.3.0",
+    "get_called_class"                       : "5.3.0",
+    "get_declared_traits"                    : "5.4.0",
+    "trait_exists"                           : "5.4.0"
   },
   "classes"           : {
-    "closure"                         : "5.3.0",
-    "dateinterval"                    : "5.3.0",
-    "dateperiod"                      : "5.3.0",
-    "gender\\gender"                  : "5.3.0",
-    "intldateformatter"               : "5.2.4",
-    "resourcebundle"                  : "5.2.4",
-    "spoofchecker"                    : "5.4.0",
-    "transliterator"                  : "5.4.0",
-    "mongoresultexception"            : "5.2.6",
-    "mongoclient"                     : "5.2.6",
-    "cond"                            : "5.3.0",
-    "mutex"                           : "5.3.0",
-    "stackable"                       : "5.3.0",
-    "thread"                          : "5.3.0",
-    "worker"                          : "5.3.0",
-    "reflectionzendextension"         : "5.4.0",
-    "sessionhandler"                  : "5.4.0",
-    "snmp"                            : "5.4.0",
-    "snmpexception"                   : "5.4.0",
-    "filesystemiterator"              : "5.3.0",
-    "globiterator"                    : "5.3.0",
-    "multipleiterator"                : "5.3.0",
-    "recursivetreeiterator"           : "5.3.0",
-    "spldoublylinkedlist"             : "5.3.0",
-    "splfixedarray"                   : "5.3.0",
-    "splheap"                         : "5.3.0",
-    "splmaxheap"                      : "5.3.0",
-    "splminheap"                      : "5.3.0",
-    "splpriorityqueue"                : "5.3.0",
-    "splqueue"                        : "5.3.0",
-    "splstack"                        : "5.3.0",
-    "callbackfilteriterator"          : "5.4.0",
-    "recursivecallbackfilteriterator" : "5.4.0",
-    "sqlite3"                         : "5.3.0",
-    "sqlite3result"                   : "5.3.0",
-    "sqlite3stmt"                     : "5.3.0",
-    "varnishadmin"                    : "5.3.0",
-    "varnishstat"                     : "5.3.0",
-    "varnishlog"                      : "5.3.0",
-    "varnishexception"                : "5.3.0"
+    "reflectionzendextension"                              : "5.4.0",
+    "mongoresultexception"                                 : "5.2.6",
+    "mongoclient"                                          : "5.2.6",
+    "gender\\gender"                                       : "5.3.0",
+    "http\\exception\\runtimeexception"                    : "5.3.0",
+    "http\\exception\\unexpectedvalueexception"            : "5.3.0",
+    "http\\exception\\badmethodcallexception"              : "5.3.0",
+    "http\\exception\\invalidargumentexception"            : "5.3.0",
+    "http\\exception\\badheaderexception"                  : "5.3.0",
+    "http\\exception\\badurlexception"                     : "5.3.0",
+    "http\\exception\\badmessageexception"                 : "5.3.0",
+    "http\\exception\\badconversionexception"              : "5.3.0",
+    "http\\exception\\badquerystringexception"             : "5.3.0",
+    "http\\cookie"                                         : "5.3.0",
+    "http\\encoding\\stream"                               : "5.3.0",
+    "http\\encoding\\stream\\deflate"                      : "5.3.0",
+    "http\\encoding\\stream\\inflate"                      : "5.3.0",
+    "http\\encoding\\stream\\dechunk"                      : "5.3.0",
+    "http\\header"                                         : "5.3.0",
+    "http\\message"                                        : "5.3.0",
+    "http\\message\\body"                                  : "5.3.0",
+    "http\\querystring"                                    : "5.3.0",
+    "http\\client"                                         : "5.3.0",
+    "http\\client\\request"                                : "5.3.0",
+    "http\\client\\response"                               : "5.3.0",
+    "http\\url"                                            : "5.3.0",
+    "http\\env"                                            : "5.3.0",
+    "http\\env\\request"                                   : "5.3.0",
+    "http\\env\\response"                                  : "5.3.0",
+    "http\\params"                                         : "5.3.0",
+    "filesystemiterator"                                   : "5.3.0",
+    "globiterator"                                         : "5.3.0",
+    "multipleiterator"                                     : "5.3.0",
+    "recursivetreeiterator"                                : "5.3.0",
+    "spldoublylinkedlist"                                  : "5.3.0",
+    "splfixedarray"                                        : "5.3.0",
+    "splheap"                                              : "5.3.0",
+    "splmaxheap"                                           : "5.3.0",
+    "splminheap"                                           : "5.3.0",
+    "splpriorityqueue"                                     : "5.3.0",
+    "splqueue"                                             : "5.3.0",
+    "splstack"                                             : "5.3.0",
+    "callbackfilteriterator"                               : "5.4.0",
+    "recursivecallbackfilteriterator"                      : "5.4.0",
+    "cond"                                                 : "5.3.0",
+    "mutex"                                                : "5.3.0",
+    "stackable"                                            : "5.3.0",
+    "thread"                                               : "5.3.0",
+    "worker"                                               : "5.3.0",
+    "varnishadmin"                                         : "5.3.0",
+    "varnishstat"                                          : "5.3.0",
+    "varnishlog"                                           : "5.3.0",
+    "varnishexception"                                     : "5.3.0",
+    "riak\\bucket"                                         : "5.3.0",
+    "riak\\connection"                                     : "5.3.0",
+    "riak\\exception\\badargumentsexception"               : "5.3.0",
+    "riak\\exception\\communicationexception"              : "5.3.0",
+    "riak\\exception\\connectionexception"                 : "5.3.0",
+    "riak\\exception\\riakexception"                       : "5.3.0",
+    "riak\\link"                                           : "5.3.0",
+    "riak\\mapreduce\\phase\\phase"                        : "5.3.0",
+    "riak\\mapreduce\\phase\\reducephase"                  : "5.3.0",
+    "riak\\mapreduce\\mapreduce"                           : "5.3.0",
+    "riak\\object"                                         : "5.3.0",
+    "riak\\query\\indexquery"                              : "5.3.0",
+    "riak\\bucketpropertylist"                             : "5.3.0",
+    "riak\\exception\\unexpectedresponseexception"         : "5.3.0",
+    "riak\\input\\deleteinput"                             : "5.3.0",
+    "riak\\input\\getinput"                                : "5.3.0",
+    "riak\\input\\input"                                   : "5.3.0",
+    "riak\\input\\putinput"                                : "5.3.0",
+    "riak\\mapreduce\\functions\\basefunction"             : "5.3.0",
+    "riak\\mapreduce\\functions\\erlangfunction"           : "5.3.0",
+    "riak\\mapreduce\\functions\\javascriptfunction"       : "5.3.0",
+    "riak\\mapreduce\\output\\output"                      : "5.3.0",
+    "riak\\mapreduce\\phase\\mapphase"                     : "5.3.0",
+    "riak\\objectlist"                                     : "5.3.0",
+    "riak\\output\\getoutput"                              : "5.3.0",
+    "riak\\output\\output"                                 : "5.3.0",
+    "riak\\output\\putoutput"                              : "5.3.0",
+    "riak\\poolinfo"                                       : "5.3.0",
+    "riak\\search\\input\\parameterbag"                    : "5.3.0",
+    "riak\\search\\output\\documentoutput"                 : "5.3.0",
+    "riak\\search\\output\\output"                         : "5.3.0",
+    "riak\\search\\search"                                 : "5.3.0",
+    "riak\\mapreduce\\input\\bucketinput"                  : "5.3.0",
+    "riak\\mapreduce\\input\\input"                        : "5.3.0",
+    "riak\\mapreduce\\input\\keydatalistinput"             : "5.3.0",
+    "riak\\mapreduce\\input\\keylistinput"                 : "5.3.0",
+    "riak\\property\\commithook"                           : "5.3.0",
+    "riak\\property\\commithooklist"                       : "5.3.0",
+    "riak\\property\\modulefunction"                       : "5.3.0",
+    "riak\\property\\replicationmode\\disabled"            : "5.3.0",
+    "riak\\property\\replicationmode\\fullsynconly"        : "5.3.0",
+    "riak\\property\\replicationmode\\realtimeandfullsync" : "5.3.0",
+    "riak\\property\\replicationmode\\realtimeonly"        : "5.3.0",
+    "riak\\input\\indexinput"                              : "5.3.0",
+    "riak\\output\\indexoutput"                            : "5.3.0",
+    "riak\\output\\indexresult"                            : "5.3.0",
+    "riak\\output\\indexresultlist"                        : "5.3.0",
+    "riak\\crdt\\counter"                                  : "5.3.0",
+    "riak\\crdt\\input\\getinput"                          : "5.3.0",
+    "riak\\crdt\\input\\updateinput"                       : "5.3.0",
+    "riak\\serverinfo"                                     : "5.3.0",
+    "sqlite3"                                              : "5.3.0",
+    "sqlite3result"                                        : "5.3.0",
+    "sqlite3stmt"                                          : "5.3.0",
+    "curlfile"                                             : "5.5.0",
+    "snmp"                                                 : "5.4.0",
+    "snmpexception"                                        : "5.4.0",
+    "sessionhandler"                                       : "5.4.0",
+    "intldateformatter"                                    : "5.2.4",
+    "resourcebundle"                                       : "5.2.4",
+    "spoofchecker"                                         : "5.4.0",
+    "transliterator"                                       : "5.4.0",
+    "intlbreakiterator"                                    : "5.5.0",
+    "intlcalendar"                                         : "5.5.0",
+    "intlcodepointbreakiterator"                           : "5.5.0",
+    "intlgregoriancalendar"                                : "5.5.0",
+    "intliterator"                                         : "5.5.0",
+    "intlpartsiterator"                                    : "5.5.0",
+    "intlrulebasedbreakiterator"                           : "5.5.0",
+    "intltimezone"                                         : "5.5.0",
+    "uconverter"                                           : "5.5.0",
+    "dateinterval"                                         : "5.3.0",
+    "dateperiod"                                           : "5.3.0",
+    "datetimeimmutable"                                    : "5.5.0",
+    "closure"                                              : "5.3.0",
+    "generator"                                            : "5.5.0"
   },
   "interfaces"        : {
-    "jsonserializable"        : "5.4.0",
-    "sessionhandlerinterface" : "5.4.0"
+    "http\\exception"                                  : "5.3.0",
+    "arrayaccess"                                      : "5.3.0",
+    "iterator"                                         : "5.3.0",
+    "iteratoraggregate"                                : "5.3.0",
+    "serializable"                                     : "5.3.0",
+    "traversable"                                      : "5.3.0",
+    "riak\\mapreduce\\output\\streamoutput"            : "5.3.0",
+    "riak\\output\\keystreamoutput"                    : "5.3.0",
+    "riak\\property\\replicationmode\\replicationmode" : "5.3.0",
+    "jsonserializable"                                 : "5.4.0",
+    "sessionhandlerinterface"                          : "5.4.0",
+    "sessionidinterface"                               : "5.5.1",
+    "datetimeinterface"                                : "5.5.0"
   },
   "functions_windows" : {
     "apache_child_terminate" : "",
diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -80,6 +80,8 @@
     'ArcanistGetConfigWorkflow' => 'workflow/ArcanistGetConfigWorkflow.php',
     'ArcanistGitAPI' => 'repository/api/ArcanistGitAPI.php',
     'ArcanistGitHookPreReceiveWorkflow' => 'workflow/ArcanistGitHookPreReceiveWorkflow.php',
+    'ArcanistGoLintLinter' => 'lint/linter/ArcanistGoLintLinter.php',
+    'ArcanistGoLintLinterTestCase' => 'lint/linter/__tests__/ArcanistGoLintLinterTestCase.php',
     'ArcanistHelpWorkflow' => 'workflow/ArcanistHelpWorkflow.php',
     'ArcanistHgClientChannel' => 'hgdaemon/ArcanistHgClientChannel.php',
     'ArcanistHgProxyClient' => 'hgdaemon/ArcanistHgProxyClient.php',
@@ -258,6 +260,8 @@
     'ArcanistGetConfigWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistGitAPI' => 'ArcanistRepositoryAPI',
     'ArcanistGitHookPreReceiveWorkflow' => 'ArcanistBaseWorkflow',
+    'ArcanistGoLintLinter' => 'ArcanistExternalLinter',
+    'ArcanistGoLintLinterTestCase' => 'ArcanistArcanistLinterTestCase',
     'ArcanistHelpWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistHgClientChannel' => 'PhutilProtocolChannel',
     'ArcanistHgServerChannel' => 'PhutilProtocolChannel',
diff --git a/src/lint/linter/ArcanistGoLintLinter.php b/src/lint/linter/ArcanistGoLintLinter.php
new file mode 100644
--- /dev/null
+++ b/src/lint/linter/ArcanistGoLintLinter.php
@@ -0,0 +1,56 @@
+<?php
+
+final class ArcanistGoLintLinter extends ArcanistExternalLinter {
+
+  public function getInfoName() {
+    return 'Golint';
+  }
+
+  public function getInfoURI() {
+    return 'https://github.com/golang/lint';
+  }
+
+  public function getInfoDescription() {
+    return pht('Golint is a linter for Go source code.');
+  }
+
+  public function getLinterName() {
+    return 'GOLINT';
+  }
+
+  public function getLinterConfigurationName() {
+    return 'golint';
+  }
+
+  public function getDefaultBinary() {
+    return 'golint';
+  }
+
+  public function getInstallInstructions() {
+    return pht('Install Golint using `go get github.com/golang/lint/golint`.');
+  }
+
+  protected function parseLinterOutput($path, $err, $stdout, $stderr) {
+    $lines = phutil_split_lines($stdout, false);
+
+    $messages = array();
+    foreach ($lines as $line) {
+      $matches = explode(':', $line, 4);
+
+      if (count($matches) === 4) {
+        $message = new ArcanistLintMessage();
+        $message->setPath($path);
+        $message->setLine($matches[1]);
+        $message->setChar($matches[2]);
+        $message->setCode($this->getLinterName());
+        $message->setDescription(ucfirst(trim($matches[3])));
+        $message->setSeverity(ArcanistLintSeverity::SEVERITY_ADVICE);
+
+        $messages[] = $message;
+      }
+    }
+
+    return $messages;
+  }
+
+}
diff --git a/src/lint/linter/__tests__/ArcanistGoLintLinterTestCase.php b/src/lint/linter/__tests__/ArcanistGoLintLinterTestCase.php
new file mode 100644
--- /dev/null
+++ b/src/lint/linter/__tests__/ArcanistGoLintLinterTestCase.php
@@ -0,0 +1,12 @@
+<?php
+
+final class ArcanistGoLintLinterTestCase
+  extends ArcanistArcanistLinterTestCase {
+
+  public function testGoLintLinter() {
+    $this->executeTestsInDirectory(
+      dirname(__FILE__).'/golint/',
+      new ArcanistGoLintLinter());
+  }
+
+}
diff --git a/src/lint/linter/__tests__/golint/1.lint-test b/src/lint/linter/__tests__/golint/1.lint-test
new file mode 100644
--- /dev/null
+++ b/src/lint/linter/__tests__/golint/1.lint-test
@@ -0,0 +1,18 @@
+package main
+
+import (
+    "rand"
+)
+
+type Exported string
+
+func main() {
+    if rand.Intn(10) > 5 {
+        return true
+    } else {
+        return false
+    }
+}
+~~~~~~~~~~
+advice:7:6
+advice:12:12