Merge array by value of a value cell (no doubles) - php

Question

I was wondering if it's possible to merge an array by a value of a cell (no doubles) right of the php box.
To clarify this is my current array :
Array
(
[0] => Array
(
[Score] => 90
[Name] => David,
)
[1] => Array
(
[Score] => 90
[Name] => Eric,
)
[2] => Array
(
[Score] => 77
[Name] => Eva,
)
[3] => Array
(
[Score] => 77
[Name] => Gila,
)
)
So we have:
2 persons (David and Eric) that have the same score (90)
2 persons (Eva and Gila) that have the same score (77)
So by the end of the day (in that case) I want to get only 2 rows (merged by score) and the names will be added to the same line that merged by score.
This is what I'm expecting to get :
Array
(
[0] => Array
(
[Score] => 90
[Name] => David,Eric,
)
[1] => Array
(
[Score] => 77
[Name] => Eva,Gila,
)
)
Here is my php code :
<?php
header("Content-Type:text/plain");
$myArray=array();
$myArray[]=array('Score'=>'90','Name'=>'David,');
$myArray[]=array('Score'=>'90','Name'=>'Eric,');
$myArray[]=array('Score'=>'77','Name'=>'Eva,');
$myArray[]=array('Score'=>'77','Name'=>'Gila,');
print_r($myArray);
Thanks!