<?php
/*-------------计算数组所有的值----start-------------------*/
$arr = array(1,"hello",1,"word","hello");
$count = array_count_values($arr);
print_r($count);
/*-----------------end------------------------------------*/
/*----------计算数组的差异----start------------------------*/
$array1 = array("a" => "green","red","blue","b"=>"yellow");
$array2 = array("b" => "green","yellow","red");
$result = array_diff($array1, $array2);
print_r($result);
/*-----------------end--------......
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