Handling multi-dimensional PHP Array - php

Question

I have arrays of fonts with their name and weight e.g.
print_r($fontarray1);
Array (
[font] => Open+Sans
[weight] => normal
)
print_r($fontarray2);
Array (
[font] => Open+Sans
[weight] => bold
)
print_r($fontarray3);
Array (
[font] => Lato
[weight] => bolditalic
)
I have many arrays of fonts $fontarray1, $fontarray2, $fontarray3.. I want to make one final array of fonts and their weights.. for example, if "Open+Sans" is already in the final array, it should not be added, but if "Open+Sans" is in final Array with a different "weight" then only the "weight" should be added alongwith the "Open+Sans" key.. the expected result should be something like:
Array (
[font] => Oen+Sans
[weight] => Array (
[0] => normal
[1] =>bold
)
[font] => Lato
[weight] => Array (
[0] => bolditalic
)
)
I tried something like below, but confused on how to add another array within one array..:
$final_arr = Array();
if (!in_array($fontarray1['font'], $final_arr)) {
$final_arr []= $fontarray1['font'];
} else {
// already in array, lets check font weight
}
}
any help or thought would be highly appreciated. cheers

Answer 1

First
Use array_merge
<?php
$beginning = 'foo';
$end = array(1 => 'bar');
$result = array_merge((array)$beginning, (array)$end);
print_r($result);
?>
Second
Use array_unique
<?php
$input = array("a" => "green", "red", "b" => "green", "blue", "red");
$result = array_unique($input);
print_r($result);
?>

Answer 2

Look` like structure like this can be usefull for you:
Array(
"fontName" => Array(
[weight] => Array(
[0] => "normal"
)
)
)
And your function would be like
$final_arr = Array();
$fontName = $fontarray1['font'];
$fontWeight = $fontarray1['weight'];
if (!isset($final_arr[$fontName])) {
$final_arr[$fontName] = array('weight' => $fontWeight);
} else {
$final_arr[$fontName]['weight'][] = $fontWeight;
}

Answer 3

You're just trying to add $fontarray1 to $final_arr?
$final_arr[] = $fontarray1
Creating a multidimensional array:
$theArray = array();
$theArray[] = array('key1'=>'val1', 'key2'=>'val2'); // creates a subarray