- array_count_values — 统计数组中所有的值出现的次数
<?php
$arr = array(6,8,8,2,3,2,'a','a',3);
$res = array_count_values($arr);
var_dump($res);
打印结果:array(5) { [6]=> int(1) [8]=> int(2) [2]=> int(2) [3]=> int(2) ["a"]=> int(2) }
<?php
$arr = array(6,8,8,2,3,2,'a','a',3);
$res = array_count_values($arr);
var_dump($res);
打印结果:array(5) { [6]=> int(1) [8]=> int(2) [2]=> int(2) [3]=> int(2) ["a"]=> int(2) }