Sort an array by a child array’s value in PHP

by

You can make use of usort function as:

$arr = array(
    array("105945", "First name", 0.080878465391),
    array("109145", "Second name", 0.0504154818384)
);

function cmp($a, $b){
    if($a[2] == $b[2]){
        return 0;
    }
    return ($a[2] < $b[2]) ? -1 : 1;
}

usort($arr, "cmp");

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