Mysqli fetch functions

Note: Fieldnames returned from this function are case-sensitive. Differences in mysqli _ fetch functions. Ask Question Asked years, months ago. Active years, months ago.

Can I blindly replace all mysql_ functions. Using the mysqli functions you can take advantage of all the latest and advanced features of MySQL, which you may not be able to do with the earlier MySQL functions. The mysqli functions are designed to communicate with MySQL 4. As mysqli _ fetch _all() returns all the rows as an array in a single step, it may consume more memory than some similar functions such as mysqli _ fetch _array(), which only returns one row at a time from the result set. Further, if you need to iterate over the result set, you will need a looping construct that will further impact performance. In addition to storing the data in the numeric indices of the result array, the mysqli _ fetch _array() function can also store the data in associative indices, using the field names of the result set as keys.

Unlike above functions , mysqli _ fetch _field() is for getting MySQL Database table’s field information instead of record data. An this function also fetch one field per call and need loop implementation for getting more fields. It is used to fetchs a result row as an associative array. It returns an array of strings that corresponds to the fetched row. You can rate examples to help us improve the quality of examples.

In this article, you are going to learn about the MySQL functions in php to fetch data from the database. To perform this task, you can use anyone of the following MySQL functions according to the output you desire. These mysql functions are used to extract the.

This function will return a row as an associative array where the column names will be the keys storing corresponding value. For SELECT, SHOW, DESCRIBE and EXPLAIN queries (where there is an output), it returns a MySQL result set (resource) which can be used in functions like mysqli _ fetch _array(). For all other queries like INSERT, UPDATE and DELETE, it returns TRUE on success. Aliases and deprecated Mysqli Functions. Returns an array of strings that corresponds to the fetched row, or FALSE if there are no more rows.

The type of returned array depends on how result_type is defined. Returns an associative array that corresponds to the fetched row and moves the internal data pointer ahead. MYSQL _ASSOC for the optional second parameter.

It only returns an associative array. For legal information, see the Legal Notices. Returns an numerical array of strings that corresponds to the fetched row, or FALSE if there are no more rows. Statements can be executed with the mysqli _query(), mysqli _real_query() and mysqli _multi_query() functions. Installation: Checking MYSQLI installation and support : mysqli _connect() MYSQLI Connection string : mysqli _bind_param() Bindes variables to a prepared statement as parameters : mysqli _ fetch _array() Rows of data as Array by using result set: mysqli _query() Apply query to database: mysqli _num_rows() Number of rows in result set of a query.

The functionality and syntax of the functions are similar, but not identical, for all functions. In particular, mysqli functions use a different process for connecting to the MySQL server than mysql functions do. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Procedural style only: A result set identifier returned by mysqli _query, mysqli _store_result or mysqli _use_result.

The name of the class to instantiate, set the properties of and return. It is generally used to check if data is present in the database or not. To use this function, it is mandatory to first set up the connection with the MySQL database.

Does not support prepared statements. MySQL provides the procedural interface. The complete article is divided into two parts , this part provides the explanation and implementation details of mysqli _ fetch _row() and mysqli _ fetch _array() functions in both Procedural and Object oriented style. In MySQL, this statement returns the table name in the row of a specified result. To migrate it we use the mysqli _data_seek method to locate the specified row and fetch the name using the mysqli _ fetch _array method.

MySQLi supports prepared statements.