Get random id from array [closed] - php

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I have an array of ids. Right now it has 125 ids in it. I only pasted a few. I would like to select a random id from it and use it in a query. I was using rand_array, but I had a simple array like this: array(1,2,3); with this new array I don't know how to grab a random id.
array(125) {
[0]=>
object(stdClass)#21 (1) {
["id"]=>
string(1) "5"
}
[1]=>
object(stdClass)#22 (1) {
["id"]=>
string(1) "6"
}
[2]=>
object(stdClass)#23 (1) {
["id"]=>
string(1) "7"
}
[3]=>
object(stdClass)#24 (1) {
["id"]=>
string(1) "8"
}
[4]=>
object(stdClass)#25 (1) {
["id"]=>
string(1) "9"
}
[5]=>
object(stdClass)#26 (1) {
["id"]=>
string(2) "10"
}
[6]=>
object(stdClass)#27 (1) {
["id"]=>
string(2) "11"
}
[7]=>
object(stdClass)#28 (1) {
["id"]=>
string(2) "12"
}
}

Answer 1

As #Jack commented under the question, this is probably the easiest way to do what you're trying to do:
echo $array[array_rand($array)]->id;
If you want the IDs for a different purpose, you could extract the IDs from the objects in the array and apply array_rand() on that array:
$idsArr = array(); // Initialize an empty array
foreach ($array as $obj) {
$idsArr[] = $obj->id; // Push each ID into the array
}
$random_id = $array[array_rand($idsArr)]; // Get a random ID from the array

Answer 2

Your new array is two dimensional - you need to specify both ID's to grab an element. So try:
$rand = rand(0,count($array));
$item=$my_array[$rand]['id'];
However I couldn't understand the structure of your array so if you print_r it I can refine this
cheers