| AddressInfo | socket_addrinfo_lookup() | socket_addrinfo_bind(), socket_addrinfo_connect(), socket_addrinfo_explain(), | None | AddressInfo（sockets 扩展） |
| bzip2 | bzopen() | bzerrno(), bzerror(), bzerrstr(), bzflush(), bzread(), bzwrite() | bzclose() | Bzip2 文件 |
| cubrid connection | cubrid_connect()cubrid_connect_with_url() | cubrid_col_get()cubrid_col_size()cubrid_commit()cubrid_drop()cubrid_execute()cubrid_get_autocommit()cubrid_get_charset()cubrid_get_class_name()cubrid_get_db_parameter()cubrid_get_server_info()cubrid_get()cubrid_insert_id()cubrid_is_instance()cubrid_lob_export()cubrid_lob_get()cubrid_lob_send()cubrid_lock_read()cubrid_lock_write()cubrid_prepare()cubrid_put()cubrid_rollback()cubrid_schema()cubrid_seq_drop()cubrid_seq_insert()cubrid_seq_put()cubrid_set_add()cubrid_set_autocommit()cubrid_set_db_parameter()cubrid_set_drop()cubrid_affected_rows()cubrid_client_encoding()cubrid_errno()cubrid_error()cubrid_list_dbs()cubrid_ping()cubrid_query()cubrid_real_escape_string() | cubrid_close()cubrid_disconnect() | 连接到 CUBRID 数据库 |
| 持久化 cubrid 连接 | cubrid_pconnect()cubrid_pconnect_with_url() | cubrid_col_get()cubrid_col_size()cubrid_commit()cubrid_drop()cubrid_execute()cubrid_get_autocommit()cubrid_get_charset()cubrid_get_class_name()cubrid_get_db_parameter()cubrid_get_server_info()cubrid_get()cubrid_insert_id()cubrid_is_instance()cubrid_lob_export()cubrid_lob_get()cubrid_lob_send()cubrid_lock_read()cubrid_lock_write()cubrid_prepare()cubrid_put()cubrid_rollback()cubrid_schema()cubrid_seq_drop()cubrid_seq_insert()cubrid_seq_put()cubrid_set_add()cubrid_set_autocommit()cubrid_set_db_parameter()cubrid_set_drop()cubrid_affected_rows()cubrid_client_encoding()cubrid_errno()cubrid_error()cubrid_list_dbs()cubrid_ping()cubrid_query()cubrid_real_escape_string()cubrid_lob2_new() | | 持久化连接到 CUBRID 数据库 |
| cubrid request | cubrid_prepare()cubrid_execute()cubrid_query()cubrid_unbuffered_query() | cubrid_bind()cubrid_column_names()cubrid_column_types()cubrid_current_oid()cubrid_execute()cubrid_free_result()cubrid_get_query_timeout()cubrid_move_cursor()cubrid_next_result()cubrid_num_cols()cubrid_num_rows()cubrid_set_query_timeout()cubrid_data_seek()cubrid_fetch_array()cubrid_fetch_assoc()cubrid_fetch_field()cubrid_fetch_lengths()cubrid_fetch_object()cubrid_fetch_row()cubrid_field_flags()cubrid_field_len()cubrid_field_name()cubrid_field_seek()cubrid_field_table()cubrid_field_type()cubrid_num_fields()cubrid_result()cubrid_lob2_bind() | cubrid_close_prepare()cubrid_close_request() | CUBRID request |
| cubrid lob | cubrid_lob_get() | cubrid_lob_export()cubrid_lob_send()cubrid_lob_size() | cubrid_lob_close() | None |
| cubrid lob2 | cubrid_lob2_new()cubrid_fetch()cubrid_fetch_row()cubrid_fetch_array()cubrid_fetch_assoc()cubrid_fetch_object() | cubrid_lob2_export()cubrid_lob2_import()cubrid_lob2_read()cubrid_lob2_write()cubrid_lob2_tell()cubrid_lob2_tell64()cubrid_lob2_seek()cubrid_lob2_seek64()cubrid_lob2_size()cubrid_lob2_size64() | cubrid_lob2_close() | None |
| curl | curl_copy_handle(), curl_init() | curl_copy_handle(), curl_errno(), curl_error(), curl_exec(), curl_getinfo(), curl_setopt() | curl_close() | cURL handle |
| curl_multi | curl_multi_init() | curl_multi_errno(), curl_multi_exec(), curl_multi_info_read(), curl_multi_remove_handle(), curl_multi_select(), curl_multi_setopt() | curl_multi_close() | cURL multi handle |
| curl_share | curl_share_init() | curl_share_errno(), curl_share_setopt() | curl_share_close() | cURL share handle |
| dba | dba_open() | dba_delete(), dba_exists(), dba_fetch(), dba_firstkey(), dba_insert(), dba_nextkey(), dba_optimize(), dba_replace(), dba_sync() | dba_close() | Link to DBA database |
| dba persistent | dba_popen() | dba_delete(), dba_exists(), dba_fetch(), dba_firstkey(), dba_insert(), dba_nextkey(), dba_optimize(), dba_replace(), dba_sync() | None | Persistent link to DBA database |
| dbase | dbase_open() | dbase_pack(), dbase_add_record(), dbase_replace_record(), dbase_delete_record(), dbase_get_record(), dbase_get_record_with_names(), dbase_numfields(), dbase_numrecords() | dbase_close() | Link to Dbase database |
| enchant_broker | enchant_broker_init() | enchant_broker_describe(), enchant_broker_dict_exists(), enchant_broker_get_dict_path(), enchant_broker_get_error(), enchant_broker_list_dicts(), enchant_broker_set_dict_path(), enchant_broker_set_ordering() | enchant_broker_free() | Enchant broker (prior to PHP 8.0.0) |
| enchant_dict | enchant_broker_request_dict()enchant_broker_request_pwl_dict() | enchant_dict_add_to_personal(), enchant_dict_add_to_session(), enchant_dict_check(), enchant_dict_describe(), enchant_dict_get_error(), enchant_dict_is_in_session(), enchant_dict_store_replacement(), enchant_dict_suggest() | enchant_broker_free_dict() | Enchant dictionary (prior to PHP 8.0.0) |
| fdf | fdf_open() | fdf_create(), fdf_save(), fdf_get_value(), fdf_set_value(), fdf_next_field_name(), fdf_set_ap(), fdf_set_status(), fdf_get_status(), fdf_set_file(), fdf_get_file(), fdf_set_flags(), fdf_set_opt(), fdf_set_submit_form_action(), fdf_set_javascript_action() | fdf_close() | FDF File |
| ftp | ftp_connect(), ftp_ssl_connect() | ftp_login(), ftp_pwd(), ftp_cdup(), ftp_chdir(), ftp_mkdir(), ftp_rmdir(), ftp_nlist(), ftp_rawlist(), ftp_systype(), ftp_pasv(), ftp_get(), ftp_fget(), ftp_put(), ftp_fput(), ftp_size(), ftp_mdtm(), ftp_rename(), ftp_delete(), ftp_site(), ftp_alloc(), ftp_chmod(), ftp_exec(), ftp_get_option(), ftp_nb_continue(), ftp_nb_fget(), ftp_nb_fput(), ftp_nb_get(), ftp_nb_put(), ftp_raw(), ftp_set_option() | ftp_close() | FTP 连接（PHP 8.1.0 之前） |
| gd | imagecreate(), imagecreatefromgd(), imagecreatefromgd2(), imagecreatefromgd2part(), imagecreatefromgif(), imagecreatefromjpeg(), imagecreatefrompng(), imagecreatefromwbmp(), imagecreatefromstring(), imagecreatefromxbm(), imagecreatefromxpm(), imagecreatetruecolor(), imagerotate() | imagearc(), imagechar(), imagecharup(), imagecolorallocate(), imagecolorat(), imagecolorclosest(), imagecolorexact(), imagecolorresolve(), imagegammacorrect(), imagegammacorrect(), imagecolorset(), imagecolorsforindex(), imagecolorstotal(), imagecolortransparent(), imagecopy(), imagecopyresized(), imagedashedline(), imagefill(), imagefilledpolygon(), imagefilledrectangle(), imagefilltoborder(), imagegif(), imagepng(), imagejpeg(), imagewbmp(), imageinterlace(), imageline(), imagepolygon(), imagerectangle(), imagerotate(), imagesetpixel(), imagestring(), imagestringup(), imagesx(), imagesy(), imagettftext(), imagefilledarc(), imageellipse(), imagefilledellipse(), imagecolorclosestalpha(), imagecolorexactalpha(), imagecolorresolvealpha(), imagecopymerge(), imagecopymergegray(), imagecopyresampled(), imagetruecolortopalette(), imagesetbrush(), imagesettile(), imagesetthickness(), image2wbmp(), imagealphablending(), imageantialias(), imagecolorallocatealpha(), imagecolorclosesthwb(), imagecolordeallocate(), imagecolormatch(), imagefilter(), imagefttext(), imagegd(), imagegd2(), imageistruecolor(), imagelayereffect(), imagepalettecopy(), imagesavealpha(), imagesetstyle(), imagexbm() | imagedestroy() | GD 图像（PHP 8.0.0 之前） |
| gd font | imageloadfont() | imagechar(), imagecharup(), imagefontheight() | None | GD 字体（PHP 8.1.0 之前） |
| imap | imap_open() | imap_append(), imap_body(), imap_check(), imap_createmailbox(), imap_delete(), imap_deletemailbox(), imap_expunge(), imap_fetchbody(), imap_fetchstructure(), imap_headerinfo(), imap_header(), imap_headers(), imap_listmailbox(), imap_getmailboxes(), imap_get_quota(), imap_status(), imap_listsubscribed(), imap_set_quota(), imap_set_quota(), imap_getsubscribed(), imap_mail_copy(), imap_mail_move(), imap_num_msg(), imap_num_recent(), imap_ping(), imap_renamemailbox(), imap_reopen(), imap_subscribe(), imap_undelete(), imap_unsubscribe(), imap_scanmailbox(), imap_mailboxmsginfo(), imap_fetchheader(), imap_uid(), imap_msgno(), imap_search(), imap_fetch_overview() | imap_close() | 链接到 IMAP、POP3 服务器（PHP 8.1.0 之前） |
| interbase blob | ibase_blob_create(), ibase_blob_import(), ibase_blob_open() | ibase_blob_add(), ibase_blob_cancel(), ibase_blob_echo(), ibase_blob_get(), ibase_blob_info() | ibase_blob_close() | |
| interbase link | ibase_connect() | ibase_query(), ibase_prepare(), ibase_trans() | ibase_close() | Link to Interbase database |
| interbase link persistent | ibase_pconnect() | ibase_query(), ibase_prepare(), ibase_trans() | None | Persistent link to Interbase database |
| interbase query | ibase_prepare() | ibase_execute() | ibase_free_query() | Interbase query |
| interbase result | ibase_query() | ibase_fetch_row(), ibase_fetch_object(), ibase_field_info(), ibase_num_fields() | ibase_free_result() | Interbase Result |
| interbase transaction | ibase_trans() | ibase_commit() | ibase_rollback() | Interbase transaction |
| ldap link | ldap_connect(), ldap_search() | ldap_count_entries(), ldap_first_attribute(), ldap_first_entry(), ldap_get_attributes(), ldap_get_dn(), ldap_get_entries(), ldap_get_values(), ldap_get_values_len(), ldap_next_attribute(), ldap_next_entry() | ldap_close() | ldap 连接（PHP 8.1.0 之前） |
| ldap result | ldap_read() | ldap_add(), ldap_compare(), ldap_bind(), ldap_count_entries(), ldap_delete(), ldap_errno(), ldap_error(), ldap_first_attribute(), ldap_first_entry(), ldap_get_attributes(), ldap_get_dn(), ldap_get_entries(), ldap_get_values(), ldap_get_values_len(), ldap_get_option(), ldap_list(), ldap_modify(), ldap_mod_add(), ldap_mod_replace(), ldap_next_attribute(), ldap_next_entry(), ldap_mod_del(), ldap_set_option(), ldap_unbind() | ldap_free_result() | ldap 搜索结果（PHP 8.1.0 之前） |
| ldap result entry | | | | ldap result entry（PHP 8.1.0 之前） |
| mailparse_mail_structure | mailparse_msg_create()mailparse_msg_parse_file() | mailparse_msg_extract_part_file()mailparse_msg_extract_part()mailparse_msg_extract_whole_part_file()mailparse_msg_get_part_data()mailparse_msg_get_part()mailparse_msg_get_structure()mailparse_msg_parse() | mailparse_msg_free() | |
| mysql link | mysql_connect() | mysql_affected_rows(), mysql_create_db(), mysql_data_seek(), mysql_db_name(), mysql_db_query(), mysql_drop_db(), mysql_errno(), mysql_error(), mysql_insert_id(), mysql_list_dbs(), mysql_list_fields(), mysql_list_tables(), mysql_query(), mysql_result(), mysql_select_db(), mysql_tablename(), mysql_get_host_info(), mysql_get_proto_info(), mysql_get_server_info() | mysql_close() | Link to MySQL database |
| mysql link persistent | mysql_pconnect() | mysql_affected_rows(), mysql_create_db(), mysql_data_seek(), mysql_db_name(), mysql_db_query(), mysql_drop_db(), mysql_errno(), mysql_error(), mysql_insert_id(), mysql_list_dbs(), mysql_list_fields(), mysql_list_tables(), mysql_query(), mysql_result(), mysql_select_db(), mysql_tablename(), mysql_get_host_info(), mysql_get_proto_info(), mysql_get_server_info() | None | Persistent link to MySQL database |
| mysql result | mysql_db_query(), mysql_list_dbs(), mysql_list_fields(), mysql_list_processes(), mysql_list_tables(), mysql_query(), mysql_unbuffered_query() | mysql_data_seek(), mysql_db_name(), mysql_fetch_array(), mysql_fetch_assoc(), mysql_fetch_field(), mysql_fetch_lengths(), mysql_fetch_object(), mysql_fetch_row(), mysql_fetch_row(), mysql_field_flags(), mysql_field_name(), mysql_field_len(), mysql_field_seek(), mysql_field_table(), mysql_field_type(), mysql_num_fields(), mysql_num_rows(), mysql_result(), mysql_tablename() | mysql_free_result() | MySQL result |
| oci8 collection | oci_new_collection() | OCICollection::append(), OCICollection::assign(), OCICollection::assignElem(), OCICollection::getElem(), OCICollection::max(), OCICollection::size(), OCICollection::trim() | OCICollection::free() | Oracle Collection |
| oci8 connection | oci_connect(), oci_pconnect(), oci_new_connect() | oci_commit(), oci_error(), oci_new_cursor(), oci_parse(), oci_password_change(), oci_rollback(), oci_server_version(), oci_set_action(), oci_set_client_identifier(), oci_set_client_info(), oci_set_module_name() | oci_close() | Connection to Oracle Database |
| oci8 lob | oci_new_descriptor() | OCILob::append(), OCILob::close(), OCILob::eof(), OCILob::erase(), OCILob::export(), OCILob::flush(), OCILob::getBuffering(), OCILob::import(), OCILob::load(), OCILob::read(), OCILob::rewind(), OCILob::save(), OCILob::saveFile(), OCILob::seek(), OCILob::setBuffering(), OCILob::size(), OCILob::tell(), OCILob::truncate(), OCILob::write(), OCILob::writeTemporary(), OCILob::writeToFile(), oci_lob_copy(), oci_lob_is_equal() | OCILob::free() | Oracle large objects |
| oci8 statement | oci_parse(), oci_new_cursor() | oci_bind_array_by_name(), oci_bind_by_name(), oci_cancel(), oci_define_by_name(), oci_error()oci_execute(), oci_fetch_all(), oci_fetch_array(), oci_fetch_assoc(), oci_fetch_object(), oci_fetch_row(), oci_fetch(), oci_field_is_null(), oci_field_name(), oci_field_precision(), oci_field_scale(), oci_field_size(), oci_field_type_raw(), oci_field_type(), oci_num_fields(), oci_num_rows(), oci_result(), oci_set_prefetch(), oci_statement_type() | oci_free_statement() | Oracle cursor |
| odbc link | odbc_connect() | odbc_autocommit(), odbc_commit(), odbc_error(), odbc_errormsg(), odbc_exec(), odbc_tables(), odbc_tableprivileges(), odbc_do(), odbc_prepare(), odbc_columns(), odbc_columnprivileges(), odbc_procedurecolumns(), odbc_specialcolumns(), odbc_rollback(), odbc_setoption(), odbc_gettypeinfo(), odbc_primarykeys(), odbc_foreignkeys(), odbc_procedures(), odbc_statistics() | odbc_close() | Link to ODBC database |
| odbc link persistent | odbc_pconnect() | odbc_autocommit(), odbc_commit(), odbc_error(), odbc_errormsg(), odbc_exec(), odbc_tables(), odbc_tableprivileges(), odbc_do(), odbc_prepare(), odbc_columns(), odbc_columnprivileges(), odbc_procedurecolumns(), odbc_specialcolumns(), odbc_rollback(), odbc_setoption(), odbc_gettypeinfo(), odbc_primarykeys(), odbc_foreignkeys(), odbc_procedures(), odbc_statistics() | None | Persistent link to ODBC database |
| odbc result | odbc_prepare() | odbc_binmode(), odbc_cursor(), odbc_execute(), odbc_fetch_into(), odbc_fetch_row(), odbc_field_name(), odbc_field_num(), odbc_field_type(), odbc_field_len(), odbc_field_precision(), odbc_field_scale(), odbc_longreadlen(), odbc_num_fields(), odbc_num_rows(), odbc_result(), odbc_result_all(), odbc_setoption() | odbc_free_result() | ODBC result |
| birdstep link | | | | Link to Birdstep database (prior to PHP 7.3.0) |
| birdstep result | | | | Birdstep result (prior to PHP 7.3.0) |
| OpenSSL key | openssl_get_privatekey(), openssl_get_publickey() | openssl_sign(), openssl_seal(), openssl_open(), openssl_verify() | openssl_free_key() | OpenSSL key |
| OpenSSL X.509 | openssl_x509_read() | openssl_x509_parse(), openssl_x509_checkpurpose() | openssl_x509_free() | Public Key |
| pgsql large object | pg_lo_open() | pg_lo_open(), pg_lo_create(), pg_lo_read(), pg_lo_read_all(), pg_lo_seek(), pg_lo_tell(), pg_lo_unlink(), pg_lo_write() | pg_lo_close() | PostgreSQL Large Object（PHP 8.1.0 之前） |
| pgsql link | pg_connect() | pg_affected_rows(), pg_query(), pg_send_query(), pg_get_result(), pg_connection_busy(), pg_connection_reset(), pg_connection_status(), pg_last_error(), pg_last_notice(), pg_lo_create(), pg_lo_export(), pg_lo_import(), pg_lo_open(), pg_lo_unlink(), pg_host(), pg_port(), pg_dbname(), pg_options(), pg_copy_from(), pg_copy_to(), pg_end_copy(), pg_put_line(), pg_tty(), pg_trace(), pg_untrace(), pg_set_client_encoding(), pg_client_encoding(), pg_meta_data(), pg_convert(), pg_insert(), pg_select(), pg_delete(), pg_update() | pg_close() | 链接到 PostgreSQL 数据库（PHP 8.1.0 之前） |
| pgsql link persistent | pg_pconnect() | pg_affected_rows(), pg_query(), pg_send_query(), pg_get_result(), pg_connection_busy(), pg_connection_reset(), pg_connection_status(), pg_last_error(), pg_last_notice(), pg_lo_create(), pg_lo_export(), pg_lo_import(), pg_lo_open(), pg_lo_unlink(), pg_host(), pg_port(), pg_dbname(), pg_options(), pg_copy_from(), pg_copy_to(), pg_end_copy(), pg_put_line(), pg_tty(), pg_trace(), pg_untrace(), pg_set_client_encoding(), pg_client_encoding(), pg_meta_data(), pg_convert(), pg_insert(), pg_select(), pg_delete(), pg_update() | None | Persistent link to PostgreSQL database |
| pgsql result | pg_execute(), pg_query(), pg_query_params(), pg_get_result() | pg_fetch_array(), pg_fetch_object(), pg_fetch_result(), pg_fetch_row(), pg_field_is_null(), pg_field_name(), pg_field_num(), pg_field_prtlen(), pg_field_size(), pg_field_type(), pg_last_oid(), pg_num_fields(), pg_num_rows(), pg_result_error(), pg_result_status() | pg_free_result() | PostgreSQL result（PHP 8.1.0 之前） |
| pgsql string | | | | |
| pspell | pspell_new(), pspell_new_config(), pspell_new_personal() | pspell_add_to_personal(), pspell_add_to_session(), pspell_check(), pspell_clear_session(), pspell_config_ignore(), pspell_config_mode(), pspell_config_personal(), pspell_config_repl(), pspell_config_runtogether(), pspell_config_save_repl(), pspell_save_wordlist(), pspell_store_replacement(), pspell_suggest() | None | pspell dictionary（PHP 8.1.0 之前） |
| pspell config | pspell_config_create() | pspell_new_config() | None | pspell 配置（PHP 8.1.0 之前） |
| shmop | shmop_open() | shmop_read(), shmop_write(), shmop_size(), shmop_delete() | shmop_close() | Shared memory block handle (prior to PHP 8.0.0) |
| Socket | socket_accept(), socket_addrinfo_bind(), socket_addrinfo_connect(), socket_create(), socket_create_listen(), socket_import_stream(), socket_wsaprotocol_info_import() | socket_accept(), socket_bind(), socket_clear_error(), socket_connect(), socket_get_option(), socket_getpeername(), socket_getsockname(), socket_last_error(), socket_listen(), socket_read(), socket_recv(), socket_recvfrom(), socket_recvmsg(), socket_select(), socket_send(), socket_sendmsg(), socket_sendto(), socket_set_block(), socket_set_nonblock(), socket_set_option(), socket_shutdown(), socket_write(), socket_wsaprotocol_info_export(), socket_wsaprotocol_info_release() | socket_close() | Socket (sockets extension) |
| stream | opendir() | readdir(), rewinddir() | closedir() | Dir handle |
| stream | fopen(), tmpfile() | feof(), fflush(), fgetc(), fgetcsv(), fgets(), fgetss(), flock(), fpassthru(), fputs(), fwrite(), fread(), fseek(), ftell(), fstat(), ftruncate(), set_file_buffer(), rewind() | fclose() | File handle |
| stream | popen(), fsockopen(), pfsockopen() | feof(), fflush(), fgetc(), fgetcsv(), fgets(), fgetss(), fpassthru(), fputs(), fwrite(), fread() | pclose() | Process handle |
| socket | | fflush(), fgetc(), fgetcsv(), fgets(), fgetss(), fpassthru(), fputs(), fwrite(), fread() | fclose() | Socket handle |
| SSH2 Session | ssh2_connect() | | ssh2_disconnect() | |
| SSH2 Listener | ssh2_forward_listen() | | | |
| SSH2 SFTP | ssh2_sftp() | | | |
| SSH2 Publickey Subsystem | ssh2_publickey_init() | | | |
| sysvmsg queue | msg_get_queue() | msg_queue_exists(), msg_receive(), msg_send(), msg_set_queue(), msg_stat_queue() | msg_remove_queue() | System V 信号队列（PHP 8.0.0 之前） |
| sysvsem | sem_get() | sem_acquire() | sem_release() | System V 信号量（PHP 8.0.0 之前） |
| sysvshm | shm_attach() | shm_remove(), shm_put_var(), shm_get_var(), shm_remove_var() | shm_detach() | System V 共享内存（PHP 8.0.0 之前） |
| wddx | wddx_packet_start() | wddx_add_vars() | wddx_packet_end() | WDDX packet |
| xml | xml_parser_create(), xml_parser_create_ns() | xml_set_object(), xml_set_element_handler(), xml_set_character_data_handler(), xml_set_processing_instruction_handler(), xml_set_default_handler(), xml_set_unparsed_entity_decl_handler(), xml_set_notation_decl_handler(), xml_set_external_entity_ref_handler(), xml_parse(), xml_get_error_code(), xml_error_string(), xml_get_current_line_number(), xml_get_current_column_number(), xml_get_current_byte_index(), xml_parse_into_struct(), xml_parser_set_option(), xml_parser_get_option() | xml_parser_free() | XML parser (prior to PHP 8.0.0) |
| zlib | gzopen() | gzeof(), gzgetc(), gzgets(), gzgetss(), gzpassthru(), gzputs(), gzread(), gzrewind(), gzseek(), gztell(), gzwrite() | gzclose() | gz-compressed file |
| zlib.deflate | deflate_init() | deflate_add() | None | incremental deflate context (prior to PHP 8.0.0) |
| zlib.inflate | inflate_init() | inflate_add(), inflate_get_read_len(), inflate_get_status() | None | incremental inflate context (prior to PHP 8.0.0) |
