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(PHP 4, PHP 5, PHP 7, PHP 8)
array_count_values — 统计数组中每个不同值的出现次数
array
统计这个数组的值
返回一个关联数组,用 array
数组中的值作为键名,该值在数组中出现的次数作为值。
示例 #1 array_count_values() 例子
<?php
$array = array(1, "hello", 1, "world", "hello");
print_r(array_count_values($array));
?>
以上示例会输出:
Array ( [1] => 2 [hello] => 2 [world] => 1 )