php怎么把数组里的数字排序?

Question

Answer 1

How does php sort the numbers in the array? - PHP Chinese website Q&A - How does php sort the numbers in the array? - PHP Chinese website Q&A

Take a look around and learn.

Answer 2

可以使用自定义函数排序uasort(),搭配匿名函数挺方便的

$array = array('a' => 4, 'b' => 8, 'c' => -1, 'd' => -9, 'e' => 2, 'f' => 5, 'g' => 3, 'h' => -4);
uasort($array,function($a,$b){    if ($a == $b) {        return 0;
    }    return ($a < $b) ? -1 : 1;
});

print_r($array);