PHP mysqli fetch_all() Function

Example - Object Oriented style

Fetch all rows and return the result-set as an associative array:

<?php
$mysqli = new mysqli("localhost","my_user","my_password","my_db");

if ($mysqli -> connect_errno) {
echo "Failed to connect to MySQL: " . $mysqli -> connect_error;
exit();
}

$sql = "SELECT Lastname, Age FROM Persons ORDER BY Lastname";
$result = $mysqli -> query($sql);

// Fetch all
$result -> fetch_all(MYSQLI_ASSOC);

// Free result set
$result -> free_result();

$mysqli -> close();
?>

Look at example of procedural style at the bottom.

Definition and Usage

The fetch_all() / mysqli_fetch_all() function fetches all result rows and returns the result-set as an associative array, a numeric array, or both.

Note: This function is available only with MySQL Native Driver.

Syntax

Object oriented style:

$mysqli_result -> fetch_all(resulttype)

Procedural style:

mysqli_fetch_all(result, resulttype)

Parameter Values

Parameter	Description
result	Required. Specifies a result set identifier returned by mysqli_query(), mysqli_store_result() or mysqli_use_result()
resulttype	Optional. Specifies what type of array that should be produced. Can be one of the following values: MYSQLI_ASSOC MYSQLI_NUM (this is default) MYSQLI_BOTH

Technical Details

Return Value:	Returns an array of associative or numeric arrays holding the result rows
PHP Version:	5.3+

Example - Procedural style

Fetch all rows and return the result-set as an associative array:

<?php
$con = mysqli_connect("localhost","my_user","my_password","my_db");

if (mysqli_connect_errno()) {
echo "Failed to connect to MySQL: " . mysqli_connect_error();
exit();
}

$sql = "SELECT Lastname, Age FROM Persons ORDER BY Lastname";
$result = mysqli_query($con, $sql);

// Fetch all
mysqli_fetch_all($result, MYSQLI_ASSOC);

// Free result set
mysqli_free_result($result);

mysqli_close($con);
?>

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