PHP nested array in $_SESSION

Question

I'm trying to do a simple nested array in a session variable. But I'm having a hard time wrapping my head around the logic for the dynamic creation of the arrays.

What I think my code should look like (which I know is wrong, because I want it to be dynamic):

Page 1:

session_start();
$_SESSION['test'] = array();

Page 2:

session_start();
$_SESSION['test'][0] = array('name' => 'john smith', 'age' => '20', 'city' => 'new york');
$_SESSION['test'][1] = array('name' => 'jane doe', 'age' => '42', 'city' => 'seattle');

I want to be able to do a foreach loop to grab the values

foreach($_SESSION['test'] as $test){
echo "Name " . $test['name'];
echo "Age " . $test['age'];
echo "City " . $test['city'];
}

How do you want it to be dynamic? Are you fetching data from a database? — showdev
– showdev, Commented Apr 22, 2014 at 16:55
To make it dynamic, use [] without an index to append new rows: $_SESSION['test'][] = array(....); There's a note about appending in the Arrays manual — Michael Berkowski
– Michael Berkowski, Commented Apr 22, 2014 at 16:55
@MichaelBerkowski I think that's what I'm looking for. Let me go test :) — Andrew
– Andrew, Commented Apr 22, 2014 at 16:57

MrCode · Accepted Answer · 2014-04-22 16:56:01Z

1

You can push to an array like so:

// don't include the index, just use []
$_SESSION['test'][] = array('name' => 'john smith', 'age' => '20', 'city' => 'new york');

Or using array_push():

array_push($_SESSION['test'], array('name' => 'john smith', 'age' => '20', 'city' => 'new york'));

answered Apr 22, 2014 at 16:56

MrCode

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