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@ 2023-04-24T15:31:18Z

<?php

$yourArray = [
    ['item1' => 80],
    ['item2' => 25],
    ['item3' => 85],
];


usort(
    $yourArray, 
    fn(array $a, array $b): int 
    => reset($a) /* get the first array elements from $a */ 
       <=>  /* <--- the spaceship operator */
       reset($b) /* and from $b for comparison */
);

print_r($yourArray);

Output
Performance
VLD
References
Branches

reset: documentation ( source)
print_r: documentation ( source)
usort: documentation ( source)

preferences:dark modelive previewkey bindings

26.87 ms | 406 KiB | 5 Q