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php计算数组相同值出现次数的代码(array_count_values)

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Release: 2016-06-06 20:13:29
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这篇文章主要介绍了php计算数组相同值出现次数的代码,需要的朋友可以参考下

php计算数组相同值出现次数,可以使用php自带函数array_count_values

说明

array array_count_values ( array $input )array_count_values() 返回一个数组,该数组用 input 数组中的值作为键名,,该值在 input 数组中出现的次数作为值。

array_count_values() 例子

复制代码 代码如下:


$array = array(1, "hello", 1, "world", "hello");
print_r(array_count_values ($array));
?>

以上例程会输出:

复制代码 代码如下:


Array
(
    [1] => 2
    [hello] => 2
    [world] => 1
)

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