properly render an array of numeric values, not an array with strings - php

Question

I have this code in my symfony controller:
$em=$this->getDoctrine()->getManager();
$queryIndex = $em->createQuery( 'SELECT g.index
FROM MySpaceMyBundle:Graphique g');
$result = $queryIndex->getArrayResult();
$arrayResult = array_map('current', $result);
var_dump($arrayResult);
return $this->render('MySpaceMyBundle:MyFolder:myTemplate.html.twig');
With my var_dump, I have this result:
array (size=10)
0 => string '1700.000' (length=8)
1 => string '1200.000' (length=8)
2 => string '1200.000' (length=8)
3 => string '1304.000' (length=8)
4 => string '1800.000' (length=8)
5 => string '2012.000' (length=8)
6 => string '2048.000' (length=8)
7 => string '1048.000' (length=8)
8 => string '3000.000' (length=8)
9 => string '5421.000' (length=8)
But for the obHighchartBundle (using highchart.js) the result I want is:
[1700,1200,1200,1304,1800,2012,2048,1048,3000,5421]
How can I proceed?
Note that I need to pass a numeric array (the values are decimal types in my database), not array with strings.

Answer 1

Like this?
$result = [];
foreach ($arrayResult as $value) {
$result[] = (int) $value
}
var_dump($result);

Answer 2

You can use a tiny tips like array_walk function to cast your values as float to prevent highchart issue. See the documentation for this function:
http://php.net/manual/fr/function.array-walk.php
Here an example of the tiny function :
<?php
function forceFloat (&$aItems) {
$aItems = (float) $aItems;
}
$arrayResult = array("1.00","4.55","39494");
var_dump($arrayResult);
array_walk($arrayResult, 'forceFloat');
var_dump($arrayResult);
?>
The output :
array(3) {
[0]=>
string(4) "1.00"
[1]=>
string(4) "4.55"
[2]=>
string(5) "39494"
}
array(3) {
[0]=>
float(1)
[1]=>
float(4.55)
[2]=>
float(39494)
}
Best Regards,
TGA