How to store array with array_push() outside loop? - php

Question

I have an array, when i tried to print_r was just like this :
Array ( [user_id] => Erick ) Array ( [user_id] => Baldi) Array([user_id]=> Bintang ) Array ( [user_id] => Bagas ) Array ( [user_id] => Baim )
My Expected output just like :
Array (
Array (
[user_id] => Erick
)
Array (
[user_id] => Baldi
)
Array (
[user_id] => Bintang
)
Array (
[user_id] => Bagas
)
Array (
[user_id] => Baim
)
)
Anyone here have an idea ? I'm stuck with this.
This my php code :
public function get_userid() {
// $action = $this->input->post('action');
$customerField = $this->input->post('customer');
$projectField = $this->input->post('project');
$user_roleField = $this->input->post('role');
for ($i=0; $i<count($customerField); $i++) {
for ($j=0; $j<count($projectField); $j++) {
for ($k=0; $k<count($user_roleField); $k++) {
array_push($test, $this->get_array_push($customerField[$i], $projectField[$j], $user_roleField[$k]));
}
}
}
}
public function get_array_push($customer, $project, $user_role) {
$query = $this->db->query("SELECT user_id
FROM `ixt_user_project_list`
LEFT JOIN ixt_user_type ON ixt_user_project_list.user_type = ixt_user_type.user_type
WHERE ixt_user_project_list.user_cust_id ='".$customer."'
AND ixt_user_project_list.user_project_id ='".$project."'
AND ixt_user_type.user_owner ='".$user_role."'")->result_array();
//Filter null array
foreach ($query as $key => $value) {
print_r($value);
}
}
And this is my initial query value :
Array ( [0] => Array ( [user_id] => Erick ) ) Array ( ) Array ( ) Array ( ) Array ( ) Array ( ) Array ( [0] => Array ( [user_id] => Baldi ) [1] => Array ( [user_id] => Bintang ) ) Array ( [0] => Array ( [user_id] => Bagas ) [1] => Array ( [user_id] => Baim ) )

Answer 1

As #scaisEdge wrote - its happening because you use the print_r inside the foreach loop.
If you want to filter null result you can use array-filter as:
$arr = array(array("user_id" => "aaa"), null, array(), array("user_id" => null), array("otherField" => "bbb"));
$filterdResult = array_filter($arr, function($elem) {
return ($elem && array_key_exists("user_id", $elem) && !is_null($elem["user_id"]));
});
Now you can just do print_r($filterdResult );
This will output:
Array
(
[0] => Array
(
[user_id] => aaa
)
)
Edited: After setting your new input as:
$query = array(array(array("user_id" => "aaa"), null, array(), array("user_id" => null)), array(array("user_id" => "ccc"), null, array(),array("user_id" =>"ddd")));
You can use the following:
$res = array();
//Filter null array
foreach ($query as $key => $value) {
array_push($res, array_filter($value, function($elem) {
return ($elem && array_key_exists("user_id", $elem) && !is_null($elem["user_id"])); }));
}
print_r($res);
Which output:
Array
(
[0] => Array
(
[0] => Array
(
[user_id] => aaa
)
)
[1] => Array
(
[0] => Array
(
[user_id] => ccc
)
[3] => Array
(
[user_id] => ddd
)
)
)
From here flatten is available if needed.

Answer 2

#David Winder I tried to combine as your suggesstion with the null array filter.
$res = array();
//Filter null array
foreach ($query as $key => $value) {
if (!is_null($value)) {
$res[] = $value;
//print_r($res);
}
}
But when i print_r($res) inside the foreach loop the result became duplicate array inside all of the array value.