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mysqli_result::fetch_all
mysqli_fetch_all
(PHP 5 >= 5.3.0, PHP 7)
mysqli_result::fetch_all -- mysqli_fetch_all — Fetches all result rows as an associative array, a numeric array, or both
Description
Object oriented style
Procedural style
mysqli_fetch_all() fetches all result rows and returns the result set as an associative array, a numeric array, or both.
Parameters
-
result
-
Procedural style only: A result set identifier returned by mysqli_query(), mysqli_store_result() or mysqli_use_result().
-
resulttype
-
This optional parameter is a constant indicating what type of array should be produced from the current row data. The possible values for this parameter are the constants
MYSQLI_ASSOC
,MYSQLI_NUM
, orMYSQLI_BOTH
.
MySQL Native Driver Only
Available only with mysqlnd.
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. For these reasons mysqli_fetch_all() should only be used in those situations where the fetched result set will be sent to another layer for processing.
See Also
- mysqli_fetch_array() - Fetch a result row as an associative, a numeric array, or both
- mysqli_query() - Performs a query on the database
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