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mysqli_get_client_stats()この関数はクライアントの各プロセスの統計情報を検索し、配列の形式で返します。
mysqli_get_client_stats($con);
この関数は任何の引数を受け取りません。
PHP mysqli_get_client_stats()関数は、クライアントのプロセスごとの統計情報を含む配列を返します。失敗した場合、この関数はボルン値を返します。falseで登場しました。
この関数は最初にPHPバージョン5で導入され、すべてのより高いバージョンで使用できます。
以下の例では、以下に示すようにmysqli_get_client_stats()関数の使用法(手順的スタイル)-
<?php //接続の確立 $con = mysqli_connect("localhost", "root", "password", "mydb"); //状態 $stat = mysqli_get_client_stats(); print_r($stat); //接続を閉じる mysqli_close($con); ?>
出力結果
Array ( [bytes_sent] => 138 [bytes_received] => 93 [packets_sent] => 2 [packets_received] => 2 [protocol_overhead_in] => 8 [protocol_overhead_out] => 8 [bytes_received_ok_packet] => 0 [bytes_received_eof_packet] => 0 [bytes_received_rset_header_packet] => 0 [bytes_received_rset_field_meta_packet] => 0 [bytes_received_rset_row_packet] => 0 [bytes_received_prepare_response_packet] => 0 [bytes_received_change_user_packet] => 0 [packets_sent_command] => 0 [packets_received_ok] => 0 [packets_received_eof] => 0 [packets_received_rset_header] => 0 [packets_received_rset_field_meta] => 0 [packets_received_rset_row] => 0 [packets_received_prepare_response] => 0 [packets_received_change_user] => 0 [result_set_queries] => 0 [non_result_set_queries] => 0 [no_index_used] => 0 [bad_index_used] => 0 [slow_queries] => 0 [buffered_sets] => 0 [unbuffered_sets] => 0 [ps_buffered_sets] => 0 [ps_unbuffered_sets] => 0 [刷新的普通集合] => 0 [刷新的ps集合] => 0 [从未执行的准备的ps] => 0 [一次执行准备的ps] => 0 [从服务器普通获取的行] => 0 [从服务器ps获取的行] => 0 [从客户端普通缓冲的行] => 0 [从客户端ps缓冲的行] => 0 [从客户端缓冲的普通获取的行] => 0 [从客户端未缓冲的普通获取的行] => 0 [从客户端缓冲的ps获取的行] => 0 [从客户端未缓冲的ps获取的行] => 0 [从客户端ps游标获取的行] => 0 [影响的行(普通)] => 0 [影响的行(ps)] => 0 [跳过的行(普通)] => 0 [跳过的行(ps)] => 0 [写时复制保存] => 0 [执行写时复制] => 0 [命令缓冲区太小] => 0 [连接成功] => 1 [连接失败] => 0 [连接重用] => 0 [重新连接] => 0 [长连接成功] => 0 [活跃的连接] => 1 [活跃的长连接] => 0 [显式关闭] => 0 [隐式关闭] => 0 [断开连接关闭] => 0 [命令关闭中] => 0 [explicit_free_result] => 0 [implicit_free_result] => 0 [explicit_stmt_close] => 0 [implicit_stmt_close] => 0 [mem_emalloc_count] => 4 [mem_emalloc_amount] => 4195 [mem_ecalloc_count] => 5 [mem_ecalloc_amount] => 2120 [mem_erealloc_count] => 0 [mem_erealloc_amount] => 0 [mem_efree_count] => 2 [mem_efree_amount] => 44 [mem_malloc_count] => 0 [mem_malloc_amount] => 0 [mem_calloc_count] => 0 [mem_calloc_amount] => 0 [mem_realloc_count] => 0 [mem_realloc_amount] => 0 [mem_free_count] => 0 [mem_free_amount] => 0 [mem_estrndup_count] => 5 [mem_strndup_count] => 0 [mem_estrdup_count] => 4 [mem_strdup_count] => 0 [mem_edupl_count] => 0 [mem_dupl_count] => 0 [proto_text_fetched_null] => 0 [proto_text_fetched_bit] => 0 [proto_text_fetched_tinyint] => 0 [proto_text_fetched_short] => 0 [proto_text_fetched_int24] => 0 [proto_text_fetched_int] => 0 [proto_text_fetched_bigint] => 0 [proto_text_fetched_decimal] => 0 [proto_text_fetched_float] => 0 [proto_text_fetched_double] => 0 [proto_text_fetched_date] => 0 [proto_text_fetched_year] => 0 [proto_text_fetched_time] => 0 [proto_text_fetched_datetime] => 0 [proto_text_fetched_timestamp] => 0 [proto_text_fetched_string] => 0 [proto_text_fetched_blob] => 0 [proto_text_fetched_enum] => 0 [proto_text_fetched_set] => 0 [proto_text_fetched_geometry] => 0 [proto_text_fetched_other] => 0 [proto_binary_fetched_null] => 0 [proto_binary_fetched_bit] => 0 [proto_binary_fetched_tinyint] => 0 [proto_binary_fetched_short] => 0 [proto_binary_fetched_int24] => 0 [proto_binary_fetched_int] => 0 [proto_binary_fetched_bigint] => 0 [proto_binary_fetched_decimal] => 0 [proto_binary_fetched_float] => 0 [proto_binary_fetched_double] => 0 [proto_binary_fetched_date] => 0 [proto_binary_fetched_year] => 0 [proto_binary_fetched_time] => 0 [proto_binary_fetched_datetime] => 0 [proto_binary_fetched_timestamp] => 0 [proto_binary_fetched_string] => 0 [proto_binary_fetched_json] => 0 [proto_binary_fetched_blob] => 0 [proto_binary_fetched_enum] => 0 [proto_binary_fetched_set] => 0 [proto_binary_fetched_geometry] => 0 [proto_binary_fetched_other] => 0 [init_command_executed_count] => 0 [init_command_failed_count] => 0 [com_quit] => 0 [com_init_db] => 0 [com_query] => 0 [com_field_list] => 0 [com_create_db] => 0 [com_drop_db] => 0 [com_refresh] => 0 [com_shutdown] => 0 [com_statistics] => 0 [com_process_info] => 0 [com_connect] => 0 [com_process_kill] => 0 [com_debug] => 0 [com_ping] => 0 [com_time] => 0 [com_delayed_insert] => 0 [com_change_user] => 0 [com_binlog_dump] => 0 [com_table_dump] => 0 [com_connect_out] => 0 [com_register_slave] => 0 [com_stmt_prepare] => 0 [com_stmt_execute] => 0 [com_stmt_send_long_data] => 0 [com_stmt_close] => 0 [com_stmt_reset] => 0 [com_stmt_set_option] => 0 [com_stmt_fetch] => 0 [com_deamon] => 0 [bytes_received_real_data_normal] => 0 [bytes_received_real_data_ps] => 0 )